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| MacBinary | 1994-01-05 | 37.3 KB | [TEXT/MPS ] |
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This file was processed as: MacBinary
(archive/macBinary).
| Confidence | Program | Detection | Match Type | Support
|
|---|
| 66%
| dexvert
| Compact Compressed (Unix) (archive/compact)
| ext
| Supported |
| 10%
| dexvert
| MacBinary (archive/macBinary)
| fallback
| Supported |
| 1%
| dexvert
| Text File (text/txt)
| fallback
| Supported |
| 100%
| file
| MacBinary II, inited, Wed Jan 5 16:08:44 1994, modified Wed Jan 5 16:08:44 1994, creator 'MPS ', type ASCII, 37389 bytes "LIGHTING.C" , at 0x928d 428 bytes resource
| default (weak)
| |
| 99%
| file
| data
| default
| |
| 74%
| TrID
| Macintosh plain text (MacBinary)
| default
| |
| 25%
| TrID
| MacBinary 2
| default (weak)
| |
| 100%
| lsar
| MacBinary
| default
|
|
| id metadata |
|---|
| key | value |
|---|
| macFileType | [TEXT] |
| macFileCreator | [MPS ] |
hex view+--------+-------------------------+-------------------------+--------+--------+
|00000000| 00 0a 4c 49 47 48 54 49 | 4e 47 2e 43 00 00 00 00 |..LIGHTI|NG.C....|
|00000010| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000020| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000030| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000040| 00 54 45 58 54 4d 50 53 | 20 01 00 00 00 00 00 00 |.TEXTMPS| .......|
|00000050| 00 00 00 00 00 92 0d 00 | 00 01 ac a9 50 dc dc a9 |........|....P...|
|00000060| 50 dc dc 00 00 08 00 00 | 00 00 00 00 00 00 00 00 |P.......|........|
|00000070| 00 00 00 00 00 00 00 00 | 00 00 81 81 5a ba 00 00 |........|....Z...|
|00000080| 2f 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |/*******|********|
|00000090| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000000a0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000000b0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000000c0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 0d 2a 20 |********|*****.* |
|000000d0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|000000e0| 20 20 6c 69 67 68 74 69 | 6e 67 2e 63 0d 2a 0d 2a | lighti|ng.c.*.*|
|000000f0| 20 20 54 68 69 73 20 6d | 6f 64 75 6c 65 20 63 61 | This m|odule ca|
|00000100| 6c 63 75 6c 61 74 65 73 | 20 6c 69 67 68 74 69 6e |lculates| lightin|
|00000110| 67 20 70 72 6f 70 65 72 | 74 69 65 73 20 6c 69 6b |g proper|ties lik|
|00000120| 65 20 61 6d 62 69 65 6e | 74 2c 20 64 69 66 66 75 |e ambien|t, diffu|
|00000130| 73 65 2c 20 73 70 65 63 | 75 6c 61 72 2c 0d 2a 20 |se, spec|ular,.* |
|00000140| 20 72 65 66 6c 65 63 74 | 69 6f 6e 2c 20 72 65 66 | reflect|ion, ref|
|00000150| 72 61 63 74 69 6f 6e 2c | 20 65 74 63 2e 0d 2a 0d |raction,| etc..*.|
|00000160| 2a 20 20 66 72 6f 6d 20 | 50 65 72 73 69 73 74 65 |* from |Persiste|
|00000170| 6e 63 65 20 6f 66 20 56 | 69 73 69 6f 6e 20 52 61 |nce of V|ision Ra|
|00000180| 79 74 72 61 63 65 72 0d | 2a 20 20 43 6f 70 79 72 |ytracer.|* Copyr|
|00000190| 69 67 68 74 20 31 39 39 | 33 20 50 65 72 73 69 73 |ight 199|3 Persis|
|000001a0| 74 65 6e 63 65 20 6f 66 | 20 56 69 73 69 6f 6e 20 |tence of| Vision |
|000001b0| 54 65 61 6d 0d 2a 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |Team.*--|--------|
|000001c0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000001d0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000001e0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000001f0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000200| 2d 0d 2a 20 20 4e 4f 54 | 49 43 45 3a 20 54 68 69 |-.* NOT|ICE: Thi|
|00000210| 73 20 73 6f 75 72 63 65 | 20 63 6f 64 65 20 66 69 |s source| code fi|
|00000220| 6c 65 20 69 73 20 70 72 | 6f 76 69 64 65 64 20 73 |le is pr|ovided s|
|00000230| 6f 20 74 68 61 74 20 75 | 73 65 72 73 20 6d 61 79 |o that u|sers may|
|00000240| 20 65 78 70 65 72 69 6d | 65 6e 74 0d 2a 20 20 77 | experim|ent.* w|
|00000250| 69 74 68 20 65 6e 68 61 | 6e 63 65 6d 65 6e 74 73 |ith enha|ncements|
|00000260| 20 74 6f 20 50 4f 56 2d | 52 61 79 20 61 6e 64 20 | to POV-|Ray and |
|00000270| 74 6f 20 70 6f 72 74 20 | 74 68 65 20 73 6f 66 74 |to port |the soft|
|00000280| 77 61 72 65 20 74 6f 20 | 70 6c 61 74 66 6f 72 6d |ware to |platform|
|00000290| 73 20 6f 74 68 65 72 0d | 2a 20 20 74 68 61 6e 20 |s other.|* than |
|000002a0| 74 68 6f 73 65 20 73 75 | 70 70 6f 72 74 65 64 20 |those su|pported |
|000002b0| 62 79 20 74 68 65 20 50 | 4f 56 2d 52 61 79 20 54 |by the P|OV-Ray T|
|000002c0| 65 61 6d 2e 20 20 54 68 | 65 72 65 20 61 72 65 20 |eam. Th|ere are |
|000002d0| 73 74 72 69 63 74 20 72 | 75 6c 65 73 20 75 6e 64 |strict r|ules und|
|000002e0| 65 72 0d 2a 20 20 77 68 | 69 63 68 20 79 6f 75 20 |er.* wh|ich you |
|000002f0| 61 72 65 20 70 65 72 6d | 69 74 74 65 64 20 74 6f |are perm|itted to|
|00000300| 20 75 73 65 20 74 68 69 | 73 20 66 69 6c 65 2e 20 | use thi|s file. |
|00000310| 20 54 68 65 20 72 75 6c | 65 73 20 61 72 65 20 69 | The rul|es are i|
|00000320| 6e 20 74 68 65 20 66 69 | 6c 65 0d 2a 20 20 6e 61 |n the fi|le.* na|
|00000330| 6d 65 64 20 50 4f 56 4c | 45 47 41 4c 2e 44 4f 43 |med POVL|EGAL.DOC|
|00000340| 20 77 68 69 63 68 20 73 | 68 6f 75 6c 64 20 62 65 | which s|hould be|
|00000350| 20 64 69 73 74 72 69 62 | 75 74 65 64 20 77 69 74 | distrib|uted wit|
|00000360| 68 20 74 68 69 73 20 66 | 69 6c 65 2e 20 49 66 0d |h this f|ile. If.|
|00000370| 2a 20 20 50 4f 56 4c 45 | 47 41 4c 2e 44 4f 43 20 |* POVLE|GAL.DOC |
|00000380| 69 73 20 6e 6f 74 20 61 | 76 61 69 6c 61 62 6c 65 |is not a|vailable|
|00000390| 20 6f 72 20 66 6f 72 20 | 6d 6f 72 65 20 69 6e 66 | or for |more inf|
|000003a0| 6f 20 70 6c 65 61 73 65 | 20 63 6f 6e 74 61 63 74 |o please| contact|
|000003b0| 20 74 68 65 20 50 4f 56 | 2d 52 61 79 0d 2a 20 20 | the POV|-Ray.* |
|000003c0| 54 65 61 6d 20 43 6f 6f | 72 64 69 6e 61 74 6f 72 |Team Coo|rdinator|
|000003d0| 20 62 79 20 6c 65 61 76 | 69 6e 67 20 61 20 6d 65 | by leav|ing a me|
|000003e0| 73 73 61 67 65 20 69 6e | 20 43 6f 6d 70 75 53 65 |ssage in| CompuSe|
|000003f0| 72 76 65 27 73 20 47 72 | 61 70 68 69 63 73 20 44 |rve's Gr|aphics D|
|00000400| 65 76 65 6c 6f 70 65 72 | 27 73 0d 2a 20 20 46 6f |eveloper|'s.* Fo|
|00000410| 72 75 6d 2e 20 20 54 68 | 65 20 6c 61 74 65 73 74 |rum. Th|e latest|
|00000420| 20 76 65 72 73 69 6f 6e | 20 6f 66 20 50 4f 56 2d | version| of POV-|
|00000430| 52 61 79 20 6d 61 79 20 | 62 65 20 66 6f 75 6e 64 |Ray may |be found|
|00000440| 20 74 68 65 72 65 20 61 | 73 20 77 65 6c 6c 2e 0d | there a|s well..|
|00000450| 2a 0d 2a 20 54 68 69 73 | 20 70 72 6f 67 72 61 6d |*.* This| program|
|00000460| 20 69 73 20 62 61 73 65 | 64 20 6f 6e 20 74 68 65 | is base|d on the|
|00000470| 20 70 6f 70 75 6c 61 72 | 20 44 4b 42 20 72 61 79 | popular| DKB ray|
|00000480| 74 72 61 63 65 72 20 76 | 65 72 73 69 6f 6e 20 32 |tracer v|ersion 2|
|00000490| 2e 31 32 2e 0d 2a 20 44 | 4b 42 54 72 61 63 65 20 |.12..* D|KBTrace |
|000004a0| 77 61 73 20 6f 72 69 67 | 69 6e 61 6c 6c 79 20 77 |was orig|inally w|
|000004b0| 72 69 74 74 65 6e 20 62 | 79 20 44 61 76 69 64 20 |ritten b|y David |
|000004c0| 4b 2e 20 42 75 63 6b 2e | 0d 2a 20 44 4b 42 54 72 |K. Buck.|.* DKBTr|
|000004d0| 61 63 65 20 56 65 72 20 | 32 2e 30 2d 32 2e 31 32 |ace Ver |2.0-2.12|
|000004e0| 20 77 65 72 65 20 77 72 | 69 74 74 65 6e 20 62 79 | were wr|itten by|
|000004f0| 20 44 61 76 69 64 20 4b | 2e 20 42 75 63 6b 20 26 | David K|. Buck &|
|00000500| 20 41 61 72 6f 6e 20 41 | 2e 20 43 6f 6c 6c 69 6e | Aaron A|. Collin|
|00000510| 73 2e 0d 2a 0d 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |s..*.***|********|
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|00000560| 2a 2a 2f 0d 0d 23 69 6e | 63 6c 75 64 65 20 22 66 |**/..#in|clude "f|
|00000570| 72 61 6d 65 2e 68 22 0d | 23 69 6e 63 6c 75 64 65 |rame.h".|#include|
|00000580| 20 22 76 65 63 74 6f 72 | 2e 68 22 0d 23 69 6e 63 | "vector|.h".#inc|
|00000590| 6c 75 64 65 20 22 70 6f | 76 70 72 6f 74 6f 2e 68 |lude "po|vproto.h|
|000005a0| 22 0d 0d 65 78 74 65 72 | 6e 20 69 6e 74 20 54 72 |"..exter|n int Tr|
|000005b0| 61 63 65 5f 4c 65 76 65 | 6c 3b 0d 65 78 74 65 72 |ace_Leve|l;.exter|
|000005c0| 6e 20 46 52 41 4d 45 20 | 46 72 61 6d 65 3b 0d 65 |n FRAME |Frame;.e|
|000005d0| 78 74 65 72 6e 20 4f 42 | 4a 45 43 54 20 2a 52 6f |xtern OB|JECT *Ro|
|000005e0| 6f 74 5f 4f 62 6a 65 63 | 74 3b 0d 65 78 74 65 72 |ot_Objec|t;.exter|
|000005f0| 6e 20 75 6e 73 69 67 6e | 65 64 20 69 6e 74 20 4f |n unsign|ed int O|
|00000600| 70 74 69 6f 6e 73 3b 0d | 65 78 74 65 72 6e 20 69 |ptions;.|extern i|
|00000610| 6e 74 20 55 73 65 5f 53 | 6c 61 62 73 3b 0d 65 78 |nt Use_S|labs;.ex|
|00000620| 74 65 72 6e 20 75 6e 73 | 69 67 6e 65 64 20 6c 6f |tern uns|igned lo|
|00000630| 6e 67 20 51 75 61 6c 69 | 74 79 5f 46 6c 61 67 73 |ng Quali|ty_Flags|
|00000640| 3b 0d 65 78 74 65 72 6e | 20 69 6e 74 20 53 68 61 |;.extern| int Sha|
|00000650| 64 6f 77 5f 54 65 73 74 | 5f 46 6c 61 67 3b 0d 65 |dow_Test|_Flag;.e|
|00000660| 78 74 65 72 6e 20 6c 6f | 6e 67 20 53 68 61 64 6f |xtern lo|ng Shado|
|00000670| 77 5f 52 61 79 5f 54 65 | 73 74 73 2c 20 53 68 61 |w_Ray_Te|sts, Sha|
|00000680| 64 6f 77 5f 52 61 79 73 | 5f 53 75 63 63 65 65 64 |dow_Rays|_Succeed|
|00000690| 65 64 2c 20 53 68 61 64 | 6f 77 5f 43 61 63 68 65 |ed, Shad|ow_Cache|
|000006a0| 5f 48 69 74 73 3b 0d 65 | 78 74 65 72 6e 20 6c 6f |_Hits;.e|xtern lo|
|000006b0| 6e 67 20 52 65 66 6c 65 | 63 74 65 64 5f 52 61 79 |ng Refle|cted_Ray|
|000006c0| 73 5f 54 72 61 63 65 64 | 2c 20 52 65 66 72 61 63 |s_Traced|, Refrac|
|000006d0| 74 65 64 5f 52 61 79 73 | 5f 54 72 61 63 65 64 3b |ted_Rays|_Traced;|
|000006e0| 0d 65 78 74 65 72 6e 20 | 6c 6f 6e 67 20 54 72 61 |.extern |long Tra|
|000006f0| 6e 73 6d 69 74 74 65 64 | 5f 52 61 79 73 5f 54 72 |nsmitted|_Rays_Tr|
|00000700| 61 63 65 64 3b 0d 0d 65 | 78 74 65 72 6e 20 73 68 |aced;..e|xtern sh|
|00000710| 6f 72 74 20 2a 68 61 73 | 68 54 61 62 6c 65 3b 0d |ort *has|hTable;.|
|00000720| 65 78 74 65 72 6e 20 75 | 6e 73 69 67 6e 65 64 20 |extern u|nsigned |
|00000730| 73 68 6f 72 74 20 63 72 | 63 74 61 62 5b 32 35 36 |short cr|ctab[256|
|00000740| 5d 3b 0d 23 64 65 66 69 | 6e 65 20 72 61 6e 64 33 |];.#defi|ne rand3|
|00000750| 64 28 61 2c 62 29 20 63 | 72 63 74 61 62 5b 28 69 |d(a,b) c|rctab[(i|
|00000760| 6e 74 29 28 68 61 73 68 | 54 61 62 6c 65 5b 28 69 |nt)(hash|Table[(i|
|00000770| 6e 74 29 28 68 61 73 68 | 54 61 62 6c 65 5b 28 69 |nt)(hash|Table[(i|
|00000780| 6e 74 29 28 28 61 29 26 | 30 78 66 66 66 29 5d 5e |nt)((a)&|0xfff)]^|
|00000790| 28 62 29 29 26 30 78 66 | 66 66 5d 29 26 30 78 66 |(b))&0xf|ff])&0xf|
|000007a0| 66 5d 0d 0d 23 64 65 66 | 69 6e 65 20 43 4f 4f 52 |f]..#def|ine COOR|
|000007b0| 44 49 4e 41 54 45 5f 4c | 49 4d 49 54 20 31 2e 30 |DINATE_L|IMIT 1.0|
|000007c0| 65 31 37 0d 23 64 65 66 | 69 6e 65 20 42 4c 41 43 |e17.#def|ine BLAC|
|000007d0| 4b 5f 4c 45 56 45 4c 20 | 30 2e 30 30 33 0d 0d 2f |K_LEVEL |0.003../|
|000007e0| 2a 20 22 53 6d 61 6c 6c | 5f 54 6f 6c 65 72 61 6e |* "Small|_Toleran|
|000007f0| 63 65 22 20 69 73 20 6a | 75 73 74 20 74 6f 6f 20 |ce" is j|ust too |
|00000800| 74 69 67 68 74 20 66 6f | 72 20 68 69 67 68 65 72 |tight fo|r higher|
|00000810| 20 6f 72 64 65 72 20 70 | 6f 6c 79 6e 6f 6d 69 61 | order p|olynomia|
|00000820| 6c 20 65 71 75 61 74 69 | 6f 6e 73 2e 0d 20 20 20 |l equati|ons.. |
|00000830| 74 68 69 73 20 76 61 6c | 75 65 20 73 68 6f 75 6c |this val|ue shoul|
|00000840| 64 20 70 72 6f 62 61 62 | 6c 79 20 62 65 20 61 20 |d probab|ly be a |
|00000850| 76 61 72 69 61 62 6c 65 | 20 6f 66 20 73 6f 6d 65 |variable| of some|
|00000860| 20 73 6f 72 74 2c 20 62 | 75 74 20 66 6f 72 20 6e | sort, b|ut for n|
|00000870| 6f 77 20 6a 75 73 74 0d | 20 20 20 75 73 65 20 61 |ow just.| use a|
|00000880| 20 72 65 61 73 6f 6e 61 | 62 6c 79 20 73 6d 61 6c | reasona|bly smal|
|00000890| 6c 20 76 61 6c 75 65 2e | 20 20 49 66 20 70 65 6f |l value.| If peo|
|000008a0| 70 6c 65 20 72 65 6e 64 | 65 72 20 72 65 61 6c 20 |ple rend|er real |
|000008b0| 73 6d 61 6c 6c 20 6f 62 | 6a 65 63 74 73 20 72 65 |small ob|jects re|
|000008c0| 61 6c 0d 20 20 20 63 6c | 6f 73 65 20 74 6f 20 65 |al. cl|ose to e|
|000008d0| 61 63 68 20 6f 74 68 65 | 72 20 74 68 65 6e 20 74 |ach othe|r then t|
|000008e0| 68 65 72 65 20 6d 61 79 | 20 62 65 20 73 6f 6d 65 |here may| be some|
|000008f0| 20 73 68 61 64 69 6e 67 | 20 70 72 6f 62 6c 65 6d | shading| problem|
|00000900| 73 2e 20 20 4f 74 68 65 | 72 77 69 73 65 0d 20 20 |s. Othe|rwise. |
|00000910| 20 68 61 76 69 6e 67 20 | 53 48 41 44 4f 57 5f 54 | having |SHADOW_T|
|00000920| 4f 4c 45 52 41 4e 43 45 | 20 61 73 20 6c 61 72 67 |OLERANCE| as larg|
|00000930| 65 20 61 73 20 74 68 69 | 73 20 77 6f 6e 27 74 20 |e as thi|s won't |
|00000940| 61 66 66 65 63 74 20 69 | 6d 61 67 65 73 2e 20 2a |affect i|mages. *|
|00000950| 2f 0d 23 64 65 66 69 6e | 65 20 53 48 41 44 4f 57 |/.#defin|e SHADOW|
|00000960| 5f 54 4f 4c 45 52 41 4e | 43 45 20 31 2e 30 65 2d |_TOLERAN|CE 1.0e-|
|00000970| 33 0d 0d 73 74 61 74 69 | 63 20 76 6f 69 64 20 64 |3..stati|c void d|
|00000980| 6f 5f 6c 69 67 68 74 20 | 50 41 52 41 4d 53 28 28 |o_light |PARAMS((|
|00000990| 4c 49 47 48 54 5f 53 4f | 55 52 43 45 20 2a 4c 69 |LIGHT_SO|URCE *Li|
|000009a0| 67 68 74 5f 53 6f 75 72 | 63 65 2c 0d 44 42 4c 20 |ght_Sour|ce,.DBL |
|000009b0| 2a 4c 69 67 68 74 5f 53 | 6f 75 72 63 65 5f 44 65 |*Light_S|ource_De|
|000009c0| 70 74 68 2c 20 52 41 59 | 20 2a 4c 69 67 68 74 5f |pth, RAY| *Light_|
|000009d0| 53 6f 75 72 63 65 5f 52 | 61 79 2c 20 56 45 43 54 |Source_R|ay, VECT|
|000009e0| 4f 52 20 2a 49 50 6f 69 | 6e 74 2c 0d 43 4f 4c 4f |OR *IPoi|nt,.COLO|
|000009f0| 55 52 20 2a 4c 69 67 68 | 74 5f 43 6f 6c 6f 75 72 |UR *Ligh|t_Colour|
|00000a00| 29 29 3b 0d 73 74 61 74 | 69 63 20 69 6e 74 20 64 |));.stat|ic int d|
|00000a10| 6f 5f 62 6c 6f 63 6b 69 | 6e 67 20 50 41 52 41 4d |o_blocki|ng PARAM|
|00000a20| 53 28 28 49 4e 54 45 52 | 53 45 43 54 49 4f 4e 20 |S((INTER|SECTION |
|00000a30| 2a 4c 6f 63 61 6c 5f 49 | 6e 74 65 72 73 65 63 74 |*Local_I|ntersect|
|00000a40| 69 6f 6e 2c 0d 43 4f 4c | 4f 55 52 20 2a 4c 69 67 |ion,.COL|OUR *Lig|
|00000a50| 68 74 5f 43 6f 6c 6f 75 | 72 2c 20 49 53 54 41 43 |ht_Colou|r, ISTAC|
|00000a60| 4b 20 2a 4c 6f 63 61 6c | 5f 53 74 61 63 6b 29 29 |K *Local|_Stack))|
|00000a70| 3b 0d 73 74 61 74 69 63 | 20 76 6f 69 64 20 64 6f |;.static| void do|
|00000a80| 5f 70 68 6f 6e 67 20 50 | 41 52 41 4d 53 28 28 46 |_phong P|ARAMS((F|
|00000a90| 49 4e 49 53 48 20 2a 46 | 69 6e 69 73 68 2c 20 52 |INISH *F|inish, R|
|00000aa0| 41 59 20 2a 4c 69 67 68 | 74 5f 53 6f 75 72 63 65 |AY *Ligh|t_Source|
|00000ab0| 5f 52 61 79 2c 0d 56 45 | 43 54 4f 52 20 2a 45 79 |_Ray,.VE|CTOR *Ey|
|00000ac0| 65 2c 20 56 45 43 54 4f | 52 20 2a 4c 61 79 65 72 |e, VECTO|R *Layer|
|00000ad0| 5f 4e 6f 72 6d 61 6c 2c | 20 43 4f 4c 4f 55 52 20 |_Normal,| COLOUR |
|00000ae0| 2a 43 6f 6c 6f 75 72 2c | 20 43 4f 4c 4f 55 52 20 |*Colour,| COLOUR |
|00000af0| 2a 4c 69 67 68 74 5f 43 | 6f 6c 6f 75 72 2c 0d 43 |*Light_C|olour,.C|
|00000b00| 4f 4c 4f 55 52 20 2a 4c | 61 79 65 72 5f 50 69 67 |OLOUR *L|ayer_Pig|
|00000b10| 6d 65 6e 74 5f 43 6f 6c | 6f 75 72 29 29 3b 0d 73 |ment_Col|our));.s|
|00000b20| 74 61 74 69 63 20 76 6f | 69 64 20 64 6f 5f 73 70 |tatic vo|id do_sp|
|00000b30| 65 63 75 6c 61 72 20 50 | 41 52 41 4d 53 28 28 46 |ecular P|ARAMS((F|
|00000b40| 49 4e 49 53 48 20 2a 46 | 69 6e 69 73 68 2c 20 52 |INISH *F|inish, R|
|00000b50| 41 59 20 2a 4c 69 67 68 | 74 5f 53 6f 75 72 63 65 |AY *Ligh|t_Source|
|00000b60| 5f 52 61 79 2c 0d 56 45 | 43 54 4f 52 20 2a 52 45 |_Ray,.VE|CTOR *RE|
|00000b70| 79 65 2c 20 56 45 43 54 | 4f 52 20 2a 4c 61 79 65 |ye, VECT|OR *Laye|
|00000b80| 72 5f 4e 6f 72 6d 61 6c | 2c 20 43 4f 4c 4f 55 52 |r_Normal|, COLOUR|
|00000b90| 20 2a 43 6f 6c 6f 75 72 | 2c 20 43 4f 4c 4f 55 52 | *Colour|, COLOUR|
|00000ba0| 20 2a 4c 69 67 68 74 5f | 43 6f 6c 6f 75 72 2c 0d | *Light_|Colour,.|
|00000bb0| 43 4f 4c 4f 55 52 20 2a | 4c 61 79 65 72 5f 50 69 |COLOUR *|Layer_Pi|
|00000bc0| 67 6d 65 6e 74 5f 43 6f | 6c 6f 75 72 29 29 3b 0d |gment_Co|lour));.|
|00000bd0| 73 74 61 74 69 63 20 76 | 6f 69 64 20 64 6f 5f 64 |static v|oid do_d|
|00000be0| 69 66 66 75 73 65 20 50 | 41 52 41 4d 53 28 28 46 |iffuse P|ARAMS((F|
|00000bf0| 49 4e 49 53 48 20 2a 46 | 69 6e 69 73 68 2c 20 52 |INISH *F|inish, R|
|00000c00| 41 59 20 2a 4c 69 67 68 | 74 5f 53 6f 75 72 63 65 |AY *Ligh|t_Source|
|00000c10| 5f 52 61 79 2c 0d 56 45 | 43 54 4f 52 20 2a 4c 61 |_Ray,.VE|CTOR *La|
|00000c20| 79 65 72 5f 4e 6f 72 6d | 61 6c 2c 20 43 4f 4c 4f |yer_Norm|al, COLO|
|00000c30| 55 52 20 2a 43 6f 6c 6f | 75 72 2c 20 43 4f 4c 4f |UR *Colo|ur, COLO|
|00000c40| 55 52 20 2a 4c 69 67 68 | 74 5f 43 6f 6c 6f 75 72 |UR *Ligh|t_Colour|
|00000c50| 2c 0d 43 4f 4c 4f 55 52 | 20 2a 4c 61 79 65 72 5f |,.COLOUR| *Layer_|
|00000c60| 50 69 67 6d 65 6e 74 5f | 43 6f 6c 6f 75 72 2c 20 |Pigment_|Colour, |
|00000c70| 44 42 4c 20 41 74 74 65 | 6e 75 61 74 69 6f 6e 29 |DBL Atte|nuation)|
|00000c80| 29 3b 0d 73 74 61 74 69 | 63 20 76 6f 69 64 20 42 |);.stati|c void B|
|00000c90| 6c 6f 63 6b 5f 41 72 65 | 61 5f 4c 69 67 68 74 20 |lock_Are|a_Light |
|00000ca0| 50 41 52 41 4d 53 28 28 | 4c 49 47 48 54 5f 53 4f |PARAMS((|LIGHT_SO|
|00000cb0| 55 52 43 45 20 2a 4c 69 | 67 68 74 5f 53 6f 75 72 |URCE *Li|ght_Sour|
|00000cc0| 63 65 2c 0d 44 42 4c 20 | 4c 69 67 68 74 5f 53 6f |ce,.DBL |Light_So|
|00000cd0| 75 72 63 65 5f 44 65 70 | 74 68 2c 20 52 41 59 20 |urce_Dep|th, RAY |
|00000ce0| 2a 4c 69 67 68 74 5f 53 | 6f 75 72 63 65 5f 52 61 |*Light_S|ource_Ra|
|00000cf0| 79 5f 50 74 72 2c 20 56 | 45 43 54 4f 52 20 2a 49 |y_Ptr, V|ECTOR *I|
|00000d00| 50 6f 69 6e 74 2c 0d 43 | 4f 4c 4f 55 52 20 2a 4c |Point,.C|OLOUR *L|
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|00000d20| 20 75 31 2c 20 69 6e 74 | 20 76 31 2c 20 69 6e 74 | u1, int| v1, int|
|00000d30| 20 75 32 2c 20 69 6e 74 | 20 76 32 2c 20 69 6e 74 | u2, int| v2, int|
|00000d40| 20 4c 65 76 65 6c 29 29 | 3b 0d 73 74 61 74 69 63 | Level))|;.static|
|00000d50| 20 76 6f 69 64 20 42 6c | 6f 63 6b 5f 50 6f 69 6e | void Bl|ock_Poin|
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|00000d70| 4c 49 47 48 54 5f 53 4f | 55 52 43 45 20 2a 4c 69 |LIGHT_SO|URCE *Li|
|00000d80| 67 68 74 5f 53 6f 75 72 | 63 65 2c 0d 44 42 4c 20 |ght_Sour|ce,.DBL |
|00000d90| 4c 69 67 68 74 5f 53 6f | 75 72 63 65 5f 44 65 70 |Light_So|urce_Dep|
|00000da0| 74 68 2c 20 52 41 59 20 | 2a 4c 69 67 68 74 5f 53 |th, RAY |*Light_S|
|00000db0| 6f 75 72 63 65 5f 52 61 | 79 5f 50 74 72 2c 20 43 |ource_Ra|y_Ptr, C|
|00000dc0| 4f 4c 4f 55 52 20 2a 4c | 69 67 68 74 5f 43 6f 6c |OLOUR *L|ight_Col|
|00000dd0| 6f 75 72 29 29 3b 0d 0d | 73 74 61 74 69 63 20 76 |our));..|static v|
|00000de0| 6f 69 64 20 42 6c 6f 63 | 6b 5f 50 6f 69 6e 74 5f |oid Bloc|k_Point_|
|00000df0| 4c 69 67 68 74 20 28 4c | 69 67 68 74 5f 53 6f 75 |Light (L|ight_Sou|
|00000e00| 72 63 65 2c 20 4c 69 67 | 68 74 5f 53 6f 75 72 63 |rce, Lig|ht_Sourc|
|00000e10| 65 5f 44 65 70 74 68 2c | 20 4c 69 67 68 74 5f 53 |e_Depth,| Light_S|
|00000e20| 6f 75 72 63 65 5f 52 61 | 79 5f 50 74 72 2c 20 4c |ource_Ra|y_Ptr, L|
|00000e30| 69 67 68 74 5f 43 6f 6c | 6f 75 72 29 0d 4c 49 47 |ight_Col|our).LIG|
|00000e40| 48 54 5f 53 4f 55 52 43 | 45 20 2a 4c 69 67 68 74 |HT_SOURC|E *Light|
|00000e50| 5f 53 6f 75 72 63 65 3b | 0d 44 42 4c 20 4c 69 67 |_Source;|.DBL Lig|
|00000e60| 68 74 5f 53 6f 75 72 63 | 65 5f 44 65 70 74 68 3b |ht_Sourc|e_Depth;|
|00000e70| 0d 52 41 59 20 2a 4c 69 | 67 68 74 5f 53 6f 75 72 |.RAY *Li|ght_Sour|
|00000e80| 63 65 5f 52 61 79 5f 50 | 74 72 3b 0d 43 4f 4c 4f |ce_Ray_P|tr;.COLO|
|00000e90| 55 52 20 2a 4c 69 67 68 | 74 5f 43 6f 6c 6f 75 72 |UR *Ligh|t_Colour|
|00000ea0| 3b 0d 20 20 7b 0d 20 20 | 4f 42 4a 45 43 54 20 2a |;. {. |OBJECT *|
|00000eb0| 42 6c 6f 63 6b 69 6e 67 | 5f 4f 62 6a 65 63 74 3b |Blocking|_Object;|
|00000ec0| 0d 20 20 69 6e 74 20 51 | 75 69 74 5f 4c 6f 6f 6b |. int Q|uit_Look|
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|00000f60| 6f 75 72 63 65 5f 52 61 | 79 3b 0d 0d 20 20 4c 69 |ource_Ra|y;.. Li|
|00000f70| 67 68 74 5f 53 6f 75 72 | 63 65 5f 52 61 79 20 3d |ght_Sour|ce_Ray =|
|00000f80| 20 2a 4c 69 67 68 74 5f | 53 6f 75 72 63 65 5f 52 | *Light_|Source_R|
|00000f90| 61 79 5f 50 74 72 3b 0d | 0d 20 20 4c 6f 63 61 6c |ay_Ptr;.|. Local|
|00000fa0| 5f 53 74 61 63 6b 20 3d | 20 6f 70 65 6e 5f 69 73 |_Stack =| open_is|
|00000fb0| 74 61 63 6b 20 28 29 3b | 0d 20 20 51 75 69 74 5f |tack ();|. Quit_|
|00000fc0| 4c 6f 6f 6b 69 6e 67 20 | 3d 20 46 41 4c 53 45 3b |Looking |= FALSE;|
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|00001a30| 63 74 20 21 3d 20 4c 69 | 67 68 74 5f 53 6f 75 72 |ct != Li|ght_Sour|
|00001a40| 63 65 2d 3e 53 68 61 64 | 6f 77 5f 43 61 63 68 65 |ce->Shad|ow_Cache|
|00001a50| 64 5f 4f 62 6a 65 63 74 | 29 0d 20 20 20 20 20 20 |d_Object|). |
|00001a60| 20 20 20 20 20 20 7b 0d | 20 20 20 20 20 20 20 20 | {.| |
|00001a70| 20 20 20 20 53 68 61 64 | 6f 77 5f 52 61 79 73 5f | Shad|ow_Rays_|
|00001a80| 53 75 63 63 65 65 64 65 | 64 2b 2b 3b 0d 20 20 20 |Succeede|d++;. |
|00001a90| 20 20 20 20 20 20 20 20 | 20 46 69 6c 74 65 72 5f | | Filter_|
|00001aa0| 53 68 61 64 6f 77 5f 52 | 61 79 28 26 42 6f 75 6e |Shadow_R|ay(&Boun|
|00001ab0| 64 65 64 5f 49 6e 74 65 | 72 73 65 63 74 69 6f 6e |ded_Inte|rsection|
|00001ac0| 2c 20 4c 69 67 68 74 5f | 43 6f 6c 6f 75 72 29 3b |, Light_|Colour);|
|00001ad0| 0d 20 20 20 20 20 20 20 | 20 20 20 20 20 69 66 20 |. | if |
|00001ae0| 28 28 66 61 62 73 28 4c | 69 67 68 74 5f 43 6f 6c |((fabs(L|ight_Col|
|00001af0| 6f 75 72 2d 3e 52 65 64 | 29 20 3c 20 42 4c 41 43 |our->Red|) < BLAC|
|00001b00| 4b 5f 4c 45 56 45 4c 29 | 20 26 26 0d 20 20 20 20 |K_LEVEL)| &&. |
|00001b10| 20 20 20 20 20 20 20 20 | 20 20 28 66 61 62 73 28 | | (fabs(|
|00001b20| 4c 69 67 68 74 5f 43 6f | 6c 6f 75 72 2d 3e 47 72 |Light_Co|lour->Gr|
|00001b30| 65 65 6e 29 20 3c 20 42 | 4c 41 43 4b 5f 4c 45 56 |een) < B|LACK_LEV|
|00001b40| 45 4c 29 20 26 26 0d 20 | 20 20 20 20 20 20 20 20 |EL) &&. | |
|00001b50| 20 20 20 20 20 28 66 61 | 62 73 28 4c 69 67 68 74 | (fa|bs(Light|
|00001b60| 5f 43 6f 6c 6f 75 72 2d | 3e 42 6c 75 65 29 20 3c |_Colour-|>Blue) <|
|00001b70| 20 42 4c 41 43 4b 5f 4c | 45 56 45 4c 29 29 0d 20 | BLACK_L|EVEL)). |
|00001b80| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 7b 0d 20 | | {. |
|00001b90| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 43 61 63 | | Cac|
|00001ba0| 68 65 5f 4d 65 20 3d 20 | 4e 6f 74 5f 46 6f 75 6e |he_Me = |Not_Foun|
|00001bb0| 64 5f 53 68 61 64 6f 77 | 3b 0d 20 20 20 20 20 20 |d_Shadow|;. |
|00001bc0| 20 20 20 20 20 20 20 20 | 51 75 69 74 5f 4c 6f 6f | |Quit_Loo|
|00001bd0| 6b 69 6e 67 20 3d 20 54 | 52 55 45 3b 0d 20 20 20 |king = T|RUE;. |
|00001be0| 20 20 20 20 20 20 20 20 | 20 20 20 62 72 65 61 6b | | break|
|00001bf0| 3b 20 2f 2a 20 66 72 6f | 6d 20 77 68 69 6c 65 20 |; /* fro|m while |
|00001c00| 2a 2f 0d 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |*/. | |
|00001c10| 20 7d 0d 20 20 20 20 20 | 20 20 20 20 20 20 20 7d | }. | }|
|00001c20| 0d 20 20 20 20 20 20 20 | 20 2f 2a 20 4d 6f 76 65 |. | /* Move|
|00001c30| 20 74 68 65 20 72 61 79 | 20 74 6f 20 74 68 65 20 | the ray| to the |
|00001c40| 70 6f 69 6e 74 20 6f 66 | 20 69 6e 74 65 72 73 65 |point of| interse|
|00001c50| 63 74 69 6f 6e 2c 20 70 | 6c 75 73 20 73 6f 6d 65 |ction, p|lus some|
|00001c60| 20 2a 2f 0d 20 20 20 20 | 20 20 20 20 4c 69 67 68 | */. | Ligh|
|00001c70| 74 5f 53 6f 75 72 63 65 | 5f 44 65 70 74 68 20 2d |t_Source|_Depth -|
|00001c80| 3d 20 42 6f 75 6e 64 65 | 64 5f 49 6e 74 65 72 73 |= Bounde|d_Inters|
|00001c90| 65 63 74 69 6f 6e 2e 44 | 65 70 74 68 3b 0d 20 20 |ection.D|epth;. |
|00001ca0| 20 20 20 20 20 20 4c 6f | 63 61 6c 5f 52 61 79 2e | Lo|cal_Ray.|
|00001cb0| 49 6e 69 74 69 61 6c 20 | 3d 20 42 6f 75 6e 64 65 |Initial |= Bounde|
|00001cc0| 64 5f 49 6e 74 65 72 73 | 65 63 74 69 6f 6e 2e 49 |d_Inters|ection.I|
|00001cd0| 50 6f 69 6e 74 3b 0d 20 | 20 20 20 20 20 20 20 4e |Point;. | N|
|00001ce0| 6f 74 5f 46 6f 75 6e 64 | 5f 53 68 61 64 6f 77 20 |ot_Found|_Shadow |
|00001cf0| 3d 20 46 41 4c 53 45 3b | 0d 20 20 20 20 20 20 20 |= FALSE;|. |
|00001d00| 20 7d 0d 20 20 20 20 20 | 20 65 6c 73 65 20 2f 2a | }. | else /*|
|00001d10| 20 4e 6f 20 69 6e 74 65 | 72 73 65 63 74 69 6f 6e | No inte|rsection|
|00001d20| 73 20 69 6e 20 74 68 65 | 20 64 69 72 65 63 74 69 |s in the| directi|
|00001d30| 6f 6e 20 6f 66 20 74 68 | 65 20 72 61 79 20 2a 2f |on of th|e ray */|
|00001d40| 0d 20 20 20 20 20 20 20 | 20 7b 0d 20 20 20 20 20 |. | {. |
|00001d50| 20 20 20 62 72 65 61 6b | 3b 0d 20 20 20 20 20 20 | break|;. |
|00001d60| 20 20 7d 0d 20 20 20 20 | 20 20 7d 20 2f 2a 65 6e | }. | } /*en|
|00001d70| 64 77 68 69 6c 65 2a 2f | 0d 20 20 20 20 7d 20 2f |dwhile*/|. } /|
|00001d80| 2a 65 6e 64 65 6c 73 65 | 2a 2f 0d 20 20 69 66 20 |*endelse|*/. if |
|00001d90| 28 43 61 63 68 65 5f 4d | 65 29 20 0d 20 20 20 20 |(Cache_M|e) . |
|00001da0| 4c 69 67 68 74 5f 53 6f | 75 72 63 65 2d 3e 53 68 |Light_So|urce->Sh|
|00001db0| 61 64 6f 77 5f 43 61 63 | 68 65 64 5f 4f 62 6a 65 |adow_Cac|hed_Obje|
|00001dc0| 63 74 20 3d 20 42 6c 6f | 63 6b 69 6e 67 5f 4f 62 |ct = Blo|cking_Ob|
|00001dd0| 6a 65 63 74 3b 0d 20 20 | 63 6c 6f 73 65 5f 69 73 |ject;. |close_is|
|00001de0| 74 61 63 6b 20 28 4c 6f | 63 61 6c 5f 53 74 61 63 |tack (Lo|cal_Stac|
|00001df0| 6b 29 3b 0d 20 20 7d 0d | 0d 0d 73 74 61 74 69 63 |k);. }.|..static|
|00001e00| 20 76 6f 69 64 20 42 6c | 6f 63 6b 5f 41 72 65 61 | void Bl|ock_Area|
|00001e10| 5f 4c 69 67 68 74 20 28 | 4c 69 67 68 74 5f 53 6f |_Light (|Light_So|
|00001e20| 75 72 63 65 2c 20 4c 69 | 67 68 74 5f 53 6f 75 72 |urce, Li|ght_Sour|
|00001e30| 63 65 5f 44 65 70 74 68 | 2c 0d 4c 69 67 68 74 5f |ce_Depth|,.Light_|
|00001e40| 53 6f 75 72 63 65 5f 52 | 61 79 5f 50 74 72 2c 49 |Source_R|ay_Ptr,I|
|00001e50| 50 6f 69 6e 74 2c 20 4c | 69 67 68 74 5f 43 6f 6c |Point, L|ight_Col|
|00001e60| 6f 75 72 2c 20 75 31 2c | 20 76 31 2c 20 75 32 2c |our, u1,| v1, u2,|
|00001e70| 20 76 32 2c 20 4c 65 76 | 65 6c 29 0d 4c 49 47 48 | v2, Lev|el).LIGH|
|00001e80| 54 5f 53 4f 55 52 43 45 | 20 2a 4c 69 67 68 74 5f |T_SOURCE| *Light_|
|00001e90| 53 6f 75 72 63 65 3b 0d | 44 42 4c 20 4c 69 67 68 |Source;.|DBL Ligh|
|00001ea0| 74 5f 53 6f 75 72 63 65 | 5f 44 65 70 74 68 3b 0d |t_Source|_Depth;.|
|00001eb0| 52 41 59 20 2a 4c 69 67 | 68 74 5f 53 6f 75 72 63 |RAY *Lig|ht_Sourc|
|00001ec0| 65 5f 52 61 79 5f 50 74 | 72 3b 0d 56 45 43 54 4f |e_Ray_Pt|r;.VECTO|
|00001ed0| 52 20 2a 49 50 6f 69 6e | 74 3b 0d 43 4f 4c 4f 55 |R *IPoin|t;.COLOU|
|00001ee0| 52 20 2a 4c 69 67 68 74 | 5f 43 6f 6c 6f 75 72 3b |R *Light|_Colour;|
|00001ef0| 0d 69 6e 74 20 75 31 2c | 20 76 31 2c 20 75 32 2c |.int u1,| v1, u2,|
|00001f00| 20 76 32 2c 20 4c 65 76 | 65 6c 3b 0d 20 20 7b 0d | v2, Lev|el;. {.|
|00001f10| 20 20 43 4f 4c 4f 55 52 | 20 53 61 6d 70 6c 65 5f | COLOUR| Sample_|
|00001f20| 43 6f 6c 6f 75 72 5b 34 | 5d 2c 20 44 75 6d 6d 79 |Colour[4|], Dummy|
|00001f30| 5f 43 6f 6c 6f 75 72 3b | 0d 20 20 56 45 43 54 4f |_Colour;|. VECTO|
|00001f40| 52 20 43 65 6e 74 65 72 | 5f 53 61 76 65 2c 20 4e |R Center|_Save, N|
|00001f50| 65 77 41 78 69 73 31 2c | 20 4e 65 77 41 78 69 73 |ewAxis1,| NewAxis|
|00001f60| 32 3b 0d 20 20 69 6e 74 | 20 69 2c 20 6a 2c 20 75 |2;. int| i, j, u|
|00001f70| 2c 20 76 2c 20 4e 65 77 | 5f 75 31 2c 20 4e 65 77 |, v, New|_u1, New|
|00001f80| 5f 76 31 2c 20 4e 65 77 | 5f 75 32 2c 20 4e 65 77 |_v1, New|_u2, New|
|00001f90| 5f 76 32 3b 0d 0d 20 20 | 44 42 4c 20 4a 69 74 74 |_v2;.. |DBL Jitt|
|00001fa0| 65 72 5f 75 2c 20 4a 69 | 74 74 65 72 5f 76 2c 20 |er_u, Ji|tter_v, |
|00001fb0| 53 63 61 6c 65 46 61 63 | 74 6f 72 3b 0d 20 20 52 |ScaleFac|tor;. R|
|00001fc0| 41 59 20 4c 69 67 68 74 | 5f 53 6f 75 72 63 65 5f |AY Light|_Source_|
|00001fd0| 52 61 79 3b 0d 0d 20 20 | 4c 69 67 68 74 5f 53 6f |Ray;.. |Light_So|
|00001fe0| 75 72 63 65 5f 52 61 79 | 20 3d 20 2a 4c 69 67 68 |urce_Ray| = *Ligh|
|00001ff0| 74 5f 53 6f 75 72 63 65 | 5f 52 61 79 5f 50 74 72 |t_Source|_Ray_Ptr|
|00002000| 3b 0d 0d 20 20 2f 2a 20 | 46 69 72 73 74 20 63 61 |;.. /* |First ca|
|00002010| 6c 6c 2c 20 69 6e 69 74 | 69 61 6c 69 7a 65 20 2a |ll, init|ialize *|
|00002020| 2f 0d 20 20 69 66 20 28 | 75 31 20 3d 3d 20 30 20 |/. if (|u1 == 0 |
|00002030| 26 26 20 76 31 20 3d 3d | 20 30 20 26 26 20 75 32 |&& v1 ==| 0 && u2|
|00002040| 20 3d 3d 20 30 20 26 26 | 20 76 32 20 3d 3d 20 30 | == 0 &&| v2 == 0|
|00002050| 29 20 0d 20 20 20 20 7b | 0d 20 20 20 20 2f 2a 20 |) . {|. /* |
|00002060| 46 6c 61 67 20 75 6e 63 | 61 6c 63 75 6c 61 74 65 |Flag unc|alculate|
|00002070| 64 20 70 6f 69 6e 74 73 | 20 77 69 74 68 20 61 20 |d points| with a |
|00002080| 6e 65 67 61 74 69 76 65 | 20 76 61 6c 75 65 20 66 |negative| value f|
|00002090| 6f 72 20 52 65 64 20 2a | 2f 0d 20 20 20 20 66 6f |or Red *|/. fo|
|000020a0| 72 20 28 69 20 3d 20 30 | 3b 20 69 20 3c 20 4c 69 |r (i = 0|; i < Li|
|000020b0| 67 68 74 5f 53 6f 75 72 | 63 65 2d 3e 41 72 65 61 |ght_Sour|ce->Area|
|000020c0| 5f 53 69 7a 65 31 3b 20 | 69 2b 2b 29 20 0d 20 20 |_Size1; |i++) . |
|000020d0| 20 20 20 20 7b 0d 20 20 | 20 20 20 20 66 6f 72 20 | {. | for |
|000020e0| 28 6a 20 3d 20 30 3b 20 | 6a 20 3c 20 4c 69 67 68 |(j = 0; |j < Ligh|
|000020f0| 74 5f 53 6f 75 72 63 65 | 2d 3e 41 72 65 61 5f 53 |t_Source|->Area_S|
|00002100| 69 7a 65 32 3b 20 6a 2b | 2b 29 0d 20 20 20 20 20 |ize2; j+|+). |
|00002110| 20 20 20 4c 69 67 68 74 | 5f 53 6f 75 72 63 65 2d | Light|_Source-|
|00002120| 3e 4c 69 67 68 74 5f 47 | 72 69 64 5b 69 5d 5b 6a |>Light_G|rid[i][j|
|00002130| 5d 2e 52 65 64 20 3d 20 | 2d 31 2e 30 3b 0d 20 20 |].Red = |-1.0;. |
|00002140| 20 20 20 20 7d 0d 0d 20 | 20 20 20 75 31 20 3d 20 | }.. | u1 = |
|00002150| 30 3b 0d 20 20 20 20 76 | 31 20 3d 20 30 3b 0d 20 |0;. v|1 = 0;. |
|00002160| 20 20 20 75 32 20 3d 20 | 4c 69 67 68 74 5f 53 6f | u2 = |Light_So|
|00002170| 75 72 63 65 2d 3e 41 72 | 65 61 5f 53 69 7a 65 31 |urce->Ar|ea_Size1|
|00002180| 20 2d 20 31 3b 0d 20 20 | 20 20 76 32 20 3d 20 4c | - 1;. | v2 = L|
|00002190| 69 67 68 74 5f 53 6f 75 | 72 63 65 2d 3e 41 72 65 |ight_Sou|rce->Are|
|000021a0| 61 5f 53 69 7a 65 32 20 | 2d 20 31 3b 0d 20 20 20 |a_Size2 |- 1;. |
|000021b0| 20 7d 0d 0d 20 20 2f 2a | 20 53 61 76 65 20 74 68 | }.. /*| Save th|
|000021c0| 65 20 6c 69 67 68 74 20 | 73 6f 75 72 63 65 20 63 |e light |source c|
|000021d0| 65 6e 74 65 72 20 73 69 | 6e 63 65 20 77 65 27 6c |enter si|nce we'l|
|000021e0| 6c 20 62 65 20 66 69 64 | 64 6c 69 6e 67 20 77 69 |l be fid|dling wi|
|000021f0| 74 68 20 69 74 20 2a 2f | 0d 20 20 43 65 6e 74 65 |th it */|. Cente|
|00002200| 72 5f 53 61 76 65 3d 4c | 69 67 68 74 5f 53 6f 75 |r_Save=L|ight_Sou|
|00002210| 72 63 65 2d 3e 43 65 6e | 74 65 72 3b 0d 0d 20 20 |rce->Cen|ter;.. |
|00002220| 2f 2a 20 53 61 6d 70 6c | 65 20 74 68 65 20 66 6f |/* Sampl|e the fo|
|00002230| 75 72 20 63 6f 72 6e 65 | 72 73 20 6f 66 20 74 68 |ur corne|rs of th|
|00002240| 65 20 72 65 67 69 6f 6e | 20 2a 2f 0d 20 20 66 6f |e region| */. fo|
|00002250| 72 20 28 69 20 3d 20 30 | 3b 20 69 20 3c 20 34 3b |r (i = 0|; i < 4;|
|00002260| 20 69 2b 2b 29 20 0d 20 | 20 20 20 7b 0d 20 20 20 | i++) . | {. |
|00002270| 20 73 77 69 74 63 68 20 | 28 69 29 20 0d 20 20 20 | switch |(i) . |
|00002280| 20 7b 0d 20 20 20 20 63 | 61 73 65 20 30 3a 20 0d | {. c|ase 0: .|
|00002290| 20 20 20 20 20 20 75 20 | 3d 20 75 31 3b 20 76 20 | u |= u1; v |
|000022a0| 3d 20 76 31 3b 20 62 72 | 65 61 6b 3b 0d 20 20 20 |= v1; br|eak;. |
|000022b0| 20 63 61 73 65 20 31 3a | 20 0d 20 20 20 20 20 20 | case 1:| . |
|000022c0| 75 20 3d 20 75 32 3b 20 | 76 20 3d 20 76 31 3b 20 |u = u2; |v = v1; |
|000022d0| 62 72 65 61 6b 3b 0d 20 | 20 20 20 63 61 73 65 20 |break;. | case |
|000022e0| 32 3a 20 0d 20 20 20 20 | 20 20 75 20 3d 20 75 31 |2: . | u = u1|
|000022f0| 3b 20 76 20 3d 20 76 32 | 3b 20 62 72 65 61 6b 3b |; v = v2|; break;|
|00002300| 0d 20 20 20 20 63 61 73 | 65 20 33 3a 20 0d 20 20 |. cas|e 3: . |
|00002310| 20 20 20 20 75 20 3d 20 | 75 32 3b 20 76 20 3d 20 | u = |u2; v = |
|00002320| 76 32 3b 20 62 72 65 61 | 6b 3b 0d 20 20 20 20 7d |v2; brea|k;. }|
|00002330| 0d 0d 20 20 20 20 69 66 | 20 28 4c 69 67 68 74 5f |.. if| (Light_|
|00002340| 53 6f 75 72 63 65 20 2d | 3e 20 4c 69 67 68 74 5f |Source -|> Light_|
|00002350| 47 72 69 64 5b 75 5d 5b | 76 5d 2e 52 65 64 20 3e |Grid[u][|v].Red >|
|00002360| 3d 20 30 2e 30 29 0d 20 | 20 20 20 20 20 2f 2a 20 |= 0.0). | /* |
|00002370| 57 65 27 76 65 20 61 6c | 72 65 61 64 79 20 63 61 |We've al|ready ca|
|00002380| 6c 63 75 6c 61 74 65 64 | 20 74 68 69 73 20 70 6f |lculated| this po|
|00002390| 69 6e 74 2c 20 72 65 75 | 73 65 20 69 74 20 2a 2f |int, reu|se it */|
|000023a0| 0d 20 20 20 20 20 20 53 | 61 6d 70 6c 65 5f 43 6f |. S|ample_Co|
|000023b0| 6c 6f 75 72 5b 69 5d 3d | 4c 69 67 68 74 5f 53 6f |lour[i]=|Light_So|
|000023c0| 75 72 63 65 2d 3e 4c 69 | 67 68 74 5f 47 72 69 64 |urce->Li|ght_Grid|
|000023d0| 5b 75 5d 5b 76 5d 3b 0d | 20 20 20 20 65 6c 73 65 |[u][v];.| else|
|000023e0| 20 0d 20 20 20 20 20 20 | 7b 0d 20 20 20 20 20 20 | . |{. |
|000023f0| 4a 69 74 74 65 72 5f 75 | 20 3d 20 28 44 42 4c 29 |Jitter_u| = (DBL)|
|00002400| 75 3b 0d 20 20 20 20 20 | 20 4a 69 74 74 65 72 5f |u;. | Jitter_|
|00002410| 76 20 3d 20 28 44 42 4c | 29 76 3b 0d 0d 20 20 20 |v = (DBL|)v;.. |
|00002420| 20 20 20 69 66 20 28 4c | 69 67 68 74 5f 53 6f 75 | if (L|ight_Sou|
|00002430| 72 63 65 20 2d 3e 20 4a | 69 74 74 65 72 29 20 0d |rce -> J|itter) .|
|00002440| 20 20 20 20 20 20 20 20 | 7b 0d 20 20 20 20 20 20 | |{. |
|00002450| 20 20 4a 69 74 74 65 72 | 5f 75 20 2b 3d 20 28 72 | Jitter|_u += (r|
|00002460| 61 6e 64 28 29 20 25 20 | 34 30 39 36 29 2f 34 30 |and() % |4096)/40|
|00002470| 39 36 2e 30 20 2d 20 30 | 2e 35 3b 0d 20 20 20 20 |96.0 - 0|.5;. |
|00002480| 20 20 20 20 4a 69 74 74 | 65 72 5f 76 20 2b 3d 20 | Jitt|er_v += |
|00002490| 28 72 61 6e 64 28 29 20 | 25 20 34 30 39 36 29 2f |(rand() |% 4096)/|
|000024a0| 34 30 39 36 2e 30 20 2d | 20 30 2e 35 3b 0d 20 20 |4096.0 -| 0.5;. |
|000024b0| 20 20 20 20 20 20 2f 2a | 0d 20 20 4e 6f 74 20 73 | /*|. Not s|
|000024c0| 75 72 65 20 69 66 20 20 | 20 20 6a 78 20 3d 20 49 |ure if | jx = I|
|000024d0| 50 6f 69 6e 74 2d 3e 78 | 20 2b 20 31 30 30 2a 75 |Point->x| + 100*u|
|000024e0| 3b 0d 20 20 74 68 69 73 | 20 77 6f 72 6b 73 20 20 |;. this| works |
|000024f0| 20 20 6a 79 20 3d 20 49 | 50 6f 69 6e 74 2d 3e 79 | jy = I|Point->y|
|00002500| 20 2b 20 31 30 30 2a 76 | 3b 0d 20 20 79 65 74 0d | + 100*v|;. yet.|
|00002510| 20 20 20 20 20 20 20 20 | 4a 69 74 74 65 72 5f 75 | |Jitter_u|
|00002520| 20 2b 3d 20 28 28 72 61 | 6e 64 33 64 28 6a 78 2c | += ((ra|nd3d(jx,|
|00002530| 20 6a 79 29 20 26 20 30 | 78 37 46 46 46 29 2f 33 | jy) & 0|x7FFF)/3|
|00002540| 32 37 36 38 2e 30 29 20 | 2d 20 30 2e 35 3b 0d 20 |2768.0) |- 0.5;. |
|00002550| 20 20 20 20 20 20 20 4a | 69 74 74 65 72 5f 76 20 | J|itter_v |
|00002560| 2b 3d 20 28 28 72 61 6e | 64 33 64 28 6a 78 2b 31 |+= ((ran|d3d(jx+1|
|00002570| 30 2c 20 6a 79 2b 31 30 | 29 20 26 20 30 78 37 46 |0, jy+10|) & 0x7F|
|00002580| 46 46 29 2f 33 32 37 36 | 38 2e 30 29 20 2d 20 30 |FF)/3276|8.0) - 0|
|00002590| 2e 35 3b 0d 2a 2f 0d 20 | 20 20 20 20 20 20 20 7d |.5;.*/. | }|
|000025a0| 0d 0d 20 20 20 20 20 20 | 69 66 20 28 4c 69 67 68 |.. |if (Ligh|
|000025b0| 74 5f 53 6f 75 72 63 65 | 20 2d 3e 20 41 72 65 61 |t_Source| -> Area|
|000025c0| 5f 53 69 7a 65 31 20 3e | 20 31 29 20 0d 20 20 20 |_Size1 >| 1) . |
|000025d0| 20 20 20 20 20 7b 0d 20 | 20 20 20 20 20 20 20 53 | {. | S|
|000025e0| 63 61 6c 65 46 61 63 74 | 6f 72 20 3d 20 4a 69 74 |caleFact|or = Jit|
|000025f0| 74 65 72 5f 75 2f 28 44 | 42 4c 29 28 4c 69 67 68 |ter_u/(D|BL)(Ligh|
|00002600| 74 5f 53 6f 75 72 63 65 | 2d 3e 41 72 65 61 5f 53 |t_Source|->Area_S|
|00002610| 69 7a 65 31 20 2d 20 31 | 29 20 2d 20 30 2e 35 3b |ize1 - 1|) - 0.5;|
|00002620| 0d 20 20 20 20 20 20 20 | 20 56 53 63 61 6c 65 20 |. | VScale |
|00002630| 28 4e 65 77 41 78 69 73 | 31 2c 20 4c 69 67 68 74 |(NewAxis|1, Light|
|00002640| 5f 53 6f 75 72 63 65 2d | 3e 41 78 69 73 31 2c 20 |_Source-|>Axis1, |
|00002650| 53 63 61 6c 65 46 61 63 | 74 6f 72 29 0d 20 20 20 |ScaleFac|tor). |
|00002660| 20 20 20 20 20 20 20 7d | 0d 20 20 20 20 20 20 65 | }|. e|
|00002670| 6c 73 65 0d 20 20 20 20 | 20 20 20 20 4d 61 6b 65 |lse. | Make|
|00002680| 5f 56 65 63 74 6f 72 20 | 28 26 4e 65 77 41 78 69 |_Vector |(&NewAxi|
|00002690| 73 31 2c 20 30 2e 30 2c | 20 30 2e 30 2c 20 30 2e |s1, 0.0,| 0.0, 0.|
|000026a0| 30 29 3b 0d 0d 20 20 20 | 20 20 20 69 66 20 28 4c |0);.. | if (L|
|000026b0| 69 67 68 74 5f 53 6f 75 | 72 63 65 20 2d 3e 20 41 |ight_Sou|rce -> A|
|000026c0| 72 65 61 5f 53 69 7a 65 | 32 20 3e 20 31 29 20 0d |rea_Size|2 > 1) .|
|000026d0| 20 20 20 20 20 20 20 20 | 7b 0d 20 20 20 20 20 20 | |{. |
|000026e0| 20 20 53 63 61 6c 65 46 | 61 63 74 6f 72 20 3d 20 | ScaleF|actor = |
|000026f0| 4a 69 74 74 65 72 5f 76 | 2f 28 44 42 4c 29 28 4c |Jitter_v|/(DBL)(L|
|00002700| 69 67 68 74 5f 53 6f 75 | 72 63 65 2d 3e 41 72 65 |ight_Sou|rce->Are|
|00002710| 61 5f 53 69 7a 65 32 20 | 2d 20 31 29 20 2d 20 30 |a_Size2 |- 1) - 0|
|00002720| 2e 35 3b 0d 20 20 20 20 | 20 20 20 20 56 53 63 61 |.5;. | VSca|
|00002730| 6c 65 20 28 4e 65 77 41 | 78 69 73 32 2c 20 4c 69 |le (NewA|xis2, Li|
|00002740| 67 68 74 5f 53 6f 75 72 | 63 65 2d 3e 41 78 69 73 |ght_Sour|ce->Axis|
|00002750| 32 2c 20 53 63 61 6c 65 | 46 61 63 74 6f 72 29 0d |2, Scale|Factor).|
|00002760| 20 20 20 20 20 20 20 20 | 7d 0d 20 20 20 20 20 20 | |}. |
|00002770| 65 6c 73 65 0d 20 20 20 | 20 20 20 20 20 4d 61 6b |else. | Mak|
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|000029f0| 6e 74 65 72 5f 53 61 76 | 65 3b 0d 0d 20 20 69 66 |nter_Sav|e;.. if|
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|00002b80| 0d 20 20 20 20 20 20 7b | 0d 20 20 20 20 20 20 73 |. {|. s|
|00002b90| 77 69 74 63 68 20 28 69 | 29 20 0d 20 20 20 20 20 |witch (i|) . |
|00002ba0| 20 7b 0d 20 20 20 20 20 | 20 63 61 73 65 20 30 3a | {. | case 0:|
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|00002d50| 66 6c 6f 6f 72 20 28 28 | 75 31 20 2b 20 75 32 29 |floor ((|u1 + u2)|
|00002d60| 2f 32 2e 30 29 3b 0d 20 | 20 20 20 20 20 20 20 4e |/2.0);. | N|
|00002d70| 65 77 5f 76 32 20 3d 20 | 76 32 3b 0d 20 20 20 20 |ew_v2 = |v2;. |
|00002d80| 20 20 20 20 62 72 65 61 | 6b 3b 0d 0d 20 20 20 20 | brea|k;.. |
|00002d90| 20 20 63 61 73 65 20 33 | 3a 20 0d 20 20 20 20 20 | case 3|: . |
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|00002e00| 32 20 3d 20 75 32 3b 0d | 20 20 20 20 20 20 20 20 |2 = u2;.| |
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|00003050| 6f 75 72 5b 69 5d 2c 20 | 26 53 61 6d 70 6c 65 5f |our[i], |&Sample_|
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|00003240| 73 74 61 6e 74 73 5f 43 | 61 63 68 65 64 20 3d 20 |stants_C|ached = |
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|00003280| 20 4c 69 67 68 74 5f 53 | 6f 75 72 63 65 2d 3e 43 | Light_S|ource->C|
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|00003380| 75 72 63 65 5f 52 61 79 | 29 3b 0d 0d 20 20 2f 2a |urce_Ray|);.. /*|
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|00003460| 73 65 63 74 69 6f 6e 2c | 20 4c 69 67 68 74 5f 43 |section,| Light_C|
|00003470| 6f 6c 6f 75 72 2c 20 4c | 6f 63 61 6c 5f 53 74 61 |olour, L|ocal_Sta|
|00003480| 63 6b 29 0d 49 4e 54 45 | 52 53 45 43 54 49 4f 4e |ck).INTE|RSECTION|
|00003490| 20 2a 4c 6f 63 61 6c 5f | 49 6e 74 65 72 73 65 63 | *Local_|Intersec|
|000034a0| 74 69 6f 6e 3b 0d 43 4f | 4c 4f 55 52 20 2a 4c 69 |tion;.CO|LOUR *Li|
|000034b0| 67 68 74 5f 43 6f 6c 6f | 75 72 3b 0d 49 53 54 41 |ght_Colo|ur;.ISTA|
|000034c0| 43 4b 20 2a 4c 6f 63 61 | 6c 5f 53 74 61 63 6b 3b |CK *Loca|l_Stack;|
|000034d0| 0d 20 20 7b 0d 20 20 53 | 68 61 64 6f 77 5f 52 61 |. {. S|hadow_Ra|
|000034e0| 79 73 5f 53 75 63 63 65 | 65 64 65 64 2b 2b 3b 0d |ys_Succe|eded++;.|
|000034f0| 0d 20 20 46 69 6c 74 65 | 72 5f 53 68 61 64 6f 77 |. Filte|r_Shadow|
|00003500| 5f 52 61 79 20 28 4c 6f | 63 61 6c 5f 49 6e 74 65 |_Ray (Lo|cal_Inte|
|00003510| 72 73 65 63 74 69 6f 6e | 2c 20 4c 69 67 68 74 5f |rsection|, Light_|
|00003520| 43 6f 6c 6f 75 72 29 3b | 0d 0d 20 20 69 66 20 28 |Colour);|.. if (|
|00003530| 28 66 61 62 73 28 4c 69 | 67 68 74 5f 43 6f 6c 6f |(fabs(Li|ght_Colo|
|00003540| 75 72 2d 3e 52 65 64 29 | 20 3c 20 42 4c 41 43 4b |ur->Red)| < BLACK|
|00003550| 5f 4c 45 56 45 4c 29 20 | 26 26 20 0d 20 20 20 20 |_LEVEL) |&& . |
|00003560| 28 66 61 62 73 28 4c 69 | 67 68 74 5f 43 6f 6c 6f |(fabs(Li|ght_Colo|
|00003570| 75 72 2d 3e 47 72 65 65 | 6e 29 20 3c 20 42 4c 41 |ur->Gree|n) < BLA|
|00003580| 43 4b 5f 4c 45 56 45 4c | 29 20 26 26 20 0d 20 20 |CK_LEVEL|) && . |
|00003590| 20 20 28 66 61 62 73 28 | 4c 69 67 68 74 5f 43 6f | (fabs(|Light_Co|
|000035a0| 6c 6f 75 72 2d 3e 42 6c | 75 65 29 20 3c 20 42 4c |lour->Bl|ue) < BL|
|000035b0| 41 43 4b 5f 4c 45 56 45 | 4c 29 29 20 0d 20 20 20 |ACK_LEVE|L)) . |
|000035c0| 20 7b 0d 20 20 20 20 77 | 68 69 6c 65 20 28 28 4c | {. w|hile ((L|
|000035d0| 6f 63 61 6c 5f 49 6e 74 | 65 72 73 65 63 74 69 6f |ocal_Int|ersectio|
|000035e0| 6e 20 3d 20 70 6f 70 5f | 65 6e 74 72 79 28 4c 6f |n = pop_|entry(Lo|
|000035f0| 63 61 6c 5f 53 74 61 63 | 6b 29 29 20 21 3d 20 4e |cal_Stac|k)) != N|
|00003600| 55 4c 4c 29 0d 20 20 20 | 20 20 20 7b 0d 20 20 20 |ULL). | {. |
|00003610| 20 20 20 7d 0d 20 20 20 | 20 72 65 74 75 72 6e 28 | }. | return(|
|00003620| 54 52 55 45 29 3b 0d 20 | 20 20 20 7d 0d 20 20 72 |TRUE);. | }. r|
|00003630| 65 74 75 72 6e 28 46 41 | 4c 53 45 29 3b 0d 20 20 |eturn(FA|LSE);. |
|00003640| 7d 0d 0d 73 74 61 74 69 | 63 20 76 6f 69 64 20 64 |}..stati|c void d|
|00003650| 6f 5f 70 68 6f 6e 67 28 | 46 69 6e 69 73 68 2c 20 |o_phong(|Finish, |
|00003660| 4c 69 67 68 74 5f 53 6f | 75 72 63 65 5f 52 61 79 |Light_So|urce_Ray|
|00003670| 2c 20 45 79 65 2c 20 4c | 61 79 65 72 5f 4e 6f 72 |, Eye, L|ayer_Nor|
|00003680| 6d 61 6c 2c 20 43 6f 6c | 6f 75 72 2c 20 4c 69 67 |mal, Col|our, Lig|
|00003690| 68 74 5f 43 6f 6c 6f 75 | 72 2c 20 4c 61 79 65 72 |ht_Colou|r, Layer|
|000036a0| 5f 50 69 67 6d 65 6e 74 | 5f 43 6f 6c 6f 75 72 29 |_Pigment|_Colour)|
|000036b0| 0d 46 49 4e 49 53 48 20 | 2a 46 69 6e 69 73 68 3b |.FINISH |*Finish;|
|000036c0| 0d 52 41 59 20 2a 4c 69 | 67 68 74 5f 53 6f 75 72 |.RAY *Li|ght_Sour|
|000036d0| 63 65 5f 52 61 79 3b 0d | 56 45 43 54 4f 52 20 2a |ce_Ray;.|VECTOR *|
|000036e0| 4c 61 79 65 72 5f 4e 6f | 72 6d 61 6c 2c 20 2a 45 |Layer_No|rmal, *E|
|000036f0| 79 65 3b 0d 43 4f 4c 4f | 55 52 20 2a 43 6f 6c 6f |ye;.COLO|UR *Colo|
|00003700| 75 72 2c 20 2a 4c 69 67 | 68 74 5f 43 6f 6c 6f 75 |ur, *Lig|ht_Colou|
|00003710| 72 2c 20 2a 4c 61 79 65 | 72 5f 50 69 67 6d 65 6e |r, *Laye|r_Pigmen|
|00003720| 74 5f 43 6f 6c 6f 75 72 | 3b 0d 20 20 7b 0d 20 20 |t_Colour|;. {. |
|00003730| 44 42 4c 20 43 6f 73 5f | 41 6e 67 6c 65 5f 4f 66 |DBL Cos_|Angle_Of|
|00003740| 5f 49 6e 63 69 64 65 6e | 63 65 2c 20 4e 6f 72 6d |_Inciden|ce, Norm|
|00003750| 61 6c 5f 4c 65 6e 67 74 | 68 2c 20 49 6e 74 65 6e |al_Lengt|h, Inten|
|00003760| 73 69 74 79 3b 0d 20 20 | 56 45 43 54 4f 52 20 4c |sity;. |VECTOR L|
|00003770| 6f 63 61 6c 5f 4e 6f 72 | 6d 61 6c 2c 20 4e 6f 72 |ocal_Nor|mal, Nor|
|00003780| 6d 61 6c 5f 50 72 6f 6a | 65 63 74 69 6f 6e 2c 20 |mal_Proj|ection, |
|00003790| 52 65 66 6c 65 63 74 5f | 44 69 72 65 63 74 69 6f |Reflect_|Directio|
|000037a0| 6e 3b 0d 0d 20 20 56 44 | 6f 74 28 43 6f 73 5f 41 |n;.. VD|ot(Cos_A|
|000037b0| 6e 67 6c 65 5f 4f 66 5f | 49 6e 63 69 64 65 6e 63 |ngle_Of_|Incidenc|
|000037c0| 65 2c 20 2a 45 79 65 2c | 20 2a 4c 61 79 65 72 5f |e, *Eye,| *Layer_|
|000037d0| 4e 6f 72 6d 61 6c 29 3b | 0d 0d 20 20 69 66 20 28 |Normal);|.. if (|
|000037e0| 43 6f 73 5f 41 6e 67 6c | 65 5f 4f 66 5f 49 6e 63 |Cos_Angl|e_Of_Inc|
|000037f0| 69 64 65 6e 63 65 20 3c | 20 30 2e 30 29 0d 20 20 |idence <| 0.0). |
|00003800| 20 20 7b 0d 20 20 20 20 | 4c 6f 63 61 6c 5f 4e 6f | {. |Local_No|
|00003810| 72 6d 61 6c 20 3d 20 2a | 4c 61 79 65 72 5f 4e 6f |rmal = *|Layer_No|
|00003820| 72 6d 61 6c 3b 0d 20 20 | 20 20 43 6f 73 5f 41 6e |rmal;. | Cos_An|
|00003830| 67 6c 65 5f 4f 66 5f 49 | 6e 63 69 64 65 6e 63 65 |gle_Of_I|ncidence|
|00003840| 20 3d 20 2d 43 6f 73 5f | 41 6e 67 6c 65 5f 4f 66 | = -Cos_|Angle_Of|
|00003850| 5f 49 6e 63 69 64 65 6e | 63 65 3b 0d 20 20 20 20 |_Inciden|ce;. |
|00003860| 7d 0d 20 20 65 6c 73 65 | 0d 20 20 20 20 7b 0d 20 |}. else|. {. |
|00003870| 20 20 20 56 53 63 61 6c | 65 20 28 4c 6f 63 61 6c | VScal|e (Local|
|00003880| 5f 4e 6f 72 6d 61 6c 2c | 20 2a 4c 61 79 65 72 5f |_Normal,| *Layer_|
|00003890| 4e 6f 72 6d 61 6c 2c 20 | 2d 31 2e 30 29 3b 0d 20 |Normal, |-1.0);. |
|000038a0| 20 20 20 7d 0d 0d 20 20 | 56 53 63 61 6c 65 20 28 | }.. |VScale (|
|000038b0| 4e 6f 72 6d 61 6c 5f 50 | 72 6f 6a 65 63 74 69 6f |Normal_P|rojectio|
|000038c0| 6e 2c 20 4c 6f 63 61 6c | 5f 4e 6f 72 6d 61 6c 2c |n, Local|_Normal,|
|000038d0| 20 43 6f 73 5f 41 6e 67 | 6c 65 5f 4f 66 5f 49 6e | Cos_Ang|le_Of_In|
|000038e0| 63 69 64 65 6e 63 65 29 | 3b 0d 20 20 56 53 63 61 |cidence)|;. VSca|
|000038f0| 6c 65 20 28 4e 6f 72 6d | 61 6c 5f 50 72 6f 6a 65 |le (Norm|al_Proje|
|00003900| 63 74 69 6f 6e 2c 20 4e | 6f 72 6d 61 6c 5f 50 72 |ction, N|ormal_Pr|
|00003910| 6f 6a 65 63 74 69 6f 6e | 2c 20 32 2e 30 29 3b 0d |ojection|, 2.0);.|
|00003920| 20 20 56 41 64 64 20 28 | 52 65 66 6c 65 63 74 5f | VAdd (|Reflect_|
|00003930| 44 69 72 65 63 74 69 6f | 6e 2c 20 2a 45 79 65 2c |Directio|n, *Eye,|
|00003940| 20 4e 6f 72 6d 61 6c 5f | 50 72 6f 6a 65 63 74 69 | Normal_|Projecti|
|00003950| 6f 6e 29 3b 0d 0d 20 20 | 56 44 6f 74 20 28 43 6f |on);.. |VDot (Co|
|00003960| 73 5f 41 6e 67 6c 65 5f | 4f 66 5f 49 6e 63 69 64 |s_Angle_|Of_Incid|
|00003970| 65 6e 63 65 2c 20 52 65 | 66 6c 65 63 74 5f 44 69 |ence, Re|flect_Di|
|00003980| 72 65 63 74 69 6f 6e 2c | 20 4c 69 67 68 74 5f 53 |rection,| Light_S|
|00003990| 6f 75 72 63 65 5f 52 61 | 79 2d 3e 44 69 72 65 63 |ource_Ra|y->Direc|
|000039a0| 74 69 6f 6e 29 3b 0d 20 | 20 56 4c 65 6e 67 74 68 |tion);. | VLength|
|000039b0| 20 28 4e 6f 72 6d 61 6c | 5f 4c 65 6e 67 74 68 2c | (Normal|_Length,|
|000039c0| 20 4c 69 67 68 74 5f 53 | 6f 75 72 63 65 5f 52 61 | Light_S|ource_Ra|
|000039d0| 79 2d 3e 44 69 72 65 63 | 74 69 6f 6e 29 3b 0d 0d |y->Direc|tion);..|
|000039e0| 20 20 69 66 20 28 4e 6f | 72 6d 61 6c 5f 4c 65 6e | if (No|rmal_Len|
|000039f0| 67 74 68 20 3d 3d 20 30 | 2e 30 29 0d 20 20 20 20 |gth == 0|.0). |
|00003a00| 43 6f 73 5f 41 6e 67 6c | 65 5f 4f 66 5f 49 6e 63 |Cos_Angl|e_Of_Inc|
|00003a10| 69 64 65 6e 63 65 20 3d | 20 30 2e 30 3b 0d 20 20 |idence =| 0.0;. |
|00003a20| 65 6c 73 65 20 0d 20 20 | 20 20 43 6f 73 5f 41 6e |else . | Cos_An|
|00003a30| 67 6c 65 5f 4f 66 5f 49 | 6e 63 69 64 65 6e 63 65 |gle_Of_I|ncidence|
|00003a40| 20 2f 3d 20 4e 6f 72 6d | 61 6c 5f 4c 65 6e 67 74 | /= Norm|al_Lengt|
|00003a50| 68 3b 0d 0d 20 20 69 66 | 20 28 43 6f 73 5f 41 6e |h;.. if| (Cos_An|
|00003a60| 67 6c 65 5f 4f 66 5f 49 | 6e 63 69 64 65 6e 63 65 |gle_Of_I|ncidence|
|00003a70| 20 3c 20 30 2e 30 29 0d | 20 20 20 20 43 6f 73 5f | < 0.0).| Cos_|
|00003a80| 41 6e 67 6c 65 5f 4f 66 | 5f 49 6e 63 69 64 65 6e |Angle_Of|_Inciden|
|00003a90| 63 65 20 3d 20 30 3b 0d | 0d 20 20 69 66 20 28 46 |ce = 0;.|. if (F|
|00003aa0| 69 6e 69 73 68 2d 3e 50 | 68 6f 6e 67 5f 53 69 7a |inish->P|hong_Siz|
|00003ab0| 65 20 21 3d 20 31 2e 30 | 29 0d 20 20 20 20 49 6e |e != 1.0|). In|
|00003ac0| 74 65 6e 73 69 74 79 20 | 3d 20 70 6f 77 28 43 6f |tensity |= pow(Co|
|00003ad0| 73 5f 41 6e 67 6c 65 5f | 4f 66 5f 49 6e 63 69 64 |s_Angle_|Of_Incid|
|00003ae0| 65 6e 63 65 2c 20 46 69 | 6e 69 73 68 2d 3e 50 68 |ence, Fi|nish->Ph|
|00003af0| 6f 6e 67 5f 53 69 7a 65 | 29 3b 0d 20 20 65 6c 73 |ong_Size|);. els|
|00003b00| 65 0d 20 20 20 20 49 6e | 74 65 6e 73 69 74 79 20 |e. In|tensity |
|00003b10| 3d 20 43 6f 73 5f 41 6e | 67 6c 65 5f 4f 66 5f 49 |= Cos_An|gle_Of_I|
|00003b20| 6e 63 69 64 65 6e 63 65 | 3b 0d 0d 20 20 49 6e 74 |ncidence|;.. Int|
|00003b30| 65 6e 73 69 74 79 20 2a | 3d 20 46 69 6e 69 73 68 |ensity *|= Finish|
|00003b40| 2d 3e 50 68 6f 6e 67 3b | 0d 0d 20 20 69 66 20 28 |->Phong;|.. if (|
|00003b50| 46 69 6e 69 73 68 2d 3e | 4d 65 74 61 6c 6c 69 63 |Finish->|Metallic|
|00003b60| 5f 46 6c 61 67 29 20 0d | 20 20 20 20 7b 0d 20 20 |_Flag) .| {. |
|00003b70| 20 20 43 6f 6c 6f 75 72 | 2d 3e 52 65 64 2b 3d 49 | Colour|->Red+=I|
|00003b80| 6e 74 65 6e 73 69 74 79 | 2a 28 4c 61 79 65 72 5f |ntensity|*(Layer_|
|00003b90| 50 69 67 6d 65 6e 74 5f | 43 6f 6c 6f 75 72 2d 3e |Pigment_|Colour->|
|00003ba0| 52 65 64 29 2a 28 4c 69 | 67 68 74 5f 43 6f 6c 6f |Red)*(Li|ght_Colo|
|00003bb0| 75 72 2d 3e 52 65 64 29 | 3b 20 20 20 20 0d 20 20 |ur->Red)|; . |
|00003bc0| 20 20 43 6f 6c 6f 75 72 | 2d 3e 47 72 65 65 6e 2b | Colour|->Green+|
|00003bd0| 3d 49 6e 74 65 6e 73 69 | 74 79 2a 28 4c 61 79 65 |=Intensi|ty*(Laye|
|00003be0| 72 5f 50 69 67 6d 65 6e | 74 5f 43 6f 6c 6f 75 72 |r_Pigmen|t_Colour|
|00003bf0| 2d 3e 47 72 65 65 6e 29 | 2a 28 4c 69 67 68 74 5f |->Green)|*(Light_|
|00003c00| 43 6f 6c 6f 75 72 2d 3e | 47 72 65 65 6e 29 3b 0d |Colour->|Green);.|
|00003c10| 20 20 20 20 43 6f 6c 6f | 75 72 2d 3e 42 6c 75 65 | Colo|ur->Blue|
|00003c20| 2b 3d 49 6e 74 65 6e 73 | 69 74 79 2a 28 4c 61 79 |+=Intens|ity*(Lay|
|00003c30| 65 72 5f 50 69 67 6d 65 | 6e 74 5f 43 6f 6c 6f 75 |er_Pigme|nt_Colou|
|00003c40| 72 2d 3e 42 6c 75 65 29 | 2a 28 4c 69 67 68 74 5f |r->Blue)|*(Light_|
|00003c50| 43 6f 6c 6f 75 72 2d 3e | 42 6c 75 65 29 3b 20 20 |Colour->|Blue); |
|00003c60| 0d 20 20 20 20 7d 0d 20 | 20 65 6c 73 65 20 0d 20 |. }. | else . |
|00003c70| 20 20 20 7b 0d 20 20 20 | 20 43 6f 6c 6f 75 72 2d | {. | Colour-|
|00003c80| 3e 52 65 64 2b 3d 49 6e | 74 65 6e 73 69 74 79 2a |>Red+=In|tensity*|
|00003c90| 28 4c 69 67 68 74 5f 43 | 6f 6c 6f 75 72 2d 3e 52 |(Light_C|olour->R|
|00003ca0| 65 64 29 3b 0d 20 20 20 | 20 43 6f 6c 6f 75 72 2d |ed);. | Colour-|
|00003cb0| 3e 47 72 65 65 6e 2b 3d | 49 6e 74 65 6e 73 69 74 |>Green+=|Intensit|
|00003cc0| 79 2a 28 4c 69 67 68 74 | 5f 43 6f 6c 6f 75 72 2d |y*(Light|_Colour-|
|00003cd0| 3e 47 72 65 65 6e 29 3b | 0d 20 20 20 20 43 6f 6c |>Green);|. Col|
|00003ce0| 6f 75 72 2d 3e 42 6c 75 | 65 2b 3d 49 6e 74 65 6e |our->Blu|e+=Inten|
|00003cf0| 73 69 74 79 2a 28 4c 69 | 67 68 74 5f 43 6f 6c 6f |sity*(Li|ght_Colo|
|00003d00| 75 72 2d 3e 42 6c 75 65 | 29 3b 20 20 0d 20 20 20 |ur->Blue|); . |
|00003d10| 20 7d 0d 20 20 7d 0d 0d | 73 74 61 74 69 63 20 76 | }. }..|static v|
|00003d20| 6f 69 64 20 64 6f 5f 73 | 70 65 63 75 6c 61 72 28 |oid do_s|pecular(|
|00003d30| 46 69 6e 69 73 68 2c 20 | 4c 69 67 68 74 5f 53 6f |Finish, |Light_So|
|00003d40| 75 72 63 65 5f 52 61 79 | 2c 20 52 45 79 65 2c 20 |urce_Ray|, REye, |
|00003d50| 4c 61 79 65 72 5f 4e 6f | 72 6d 61 6c 2c 20 43 6f |Layer_No|rmal, Co|
|00003d60| 6c 6f 75 72 2c 20 4c 69 | 67 68 74 5f 43 6f 6c 6f |lour, Li|ght_Colo|
|00003d70| 75 72 2c 20 4c 61 79 65 | 72 5f 50 69 67 6d 65 6e |ur, Laye|r_Pigmen|
|00003d80| 74 5f 43 6f 6c 6f 75 72 | 29 0d 46 49 4e 49 53 48 |t_Colour|).FINISH|
|00003d90| 20 2a 46 69 6e 69 73 68 | 3b 0d 52 41 59 20 2a 4c | *Finish|;.RAY *L|
|00003da0| 69 67 68 74 5f 53 6f 75 | 72 63 65 5f 52 61 79 3b |ight_Sou|rce_Ray;|
|00003db0| 0d 56 45 43 54 4f 52 20 | 2a 4c 61 79 65 72 5f 4e |.VECTOR |*Layer_N|
|00003dc0| 6f 72 6d 61 6c 2c 20 2a | 52 45 79 65 3b 0d 43 4f |ormal, *|REye;.CO|
|00003dd0| 4c 4f 55 52 20 2a 43 6f | 6c 6f 75 72 2c 20 2a 4c |LOUR *Co|lour, *L|
|00003de0| 69 67 68 74 5f 43 6f 6c | 6f 75 72 2c 20 2a 4c 61 |ight_Col|our, *La|
|00003df0| 79 65 72 5f 50 69 67 6d | 65 6e 74 5f 43 6f 6c 6f |yer_Pigm|ent_Colo|
|00003e00| 75 72 3b 0d 20 20 7b 0d | 20 20 44 42 4c 20 43 6f |ur;. {.| DBL Co|
|00003e10| 73 5f 41 6e 67 6c 65 5f | 4f 66 5f 49 6e 63 69 64 |s_Angle_|Of_Incid|
|00003e20| 65 6e 63 65 2c 20 4e 6f | 72 6d 61 6c 5f 4c 65 6e |ence, No|rmal_Len|
|00003e30| 67 74 68 2c 20 49 6e 74 | 65 6e 73 69 74 79 2c 20 |gth, Int|ensity, |
|00003e40| 48 61 6c 66 77 61 79 5f | 4c 65 6e 67 74 68 3b 0d |Halfway_|Length;.|
|00003e50| 20 20 56 45 43 54 4f 52 | 20 48 61 6c 66 77 61 79 | VECTOR| Halfway|
|00003e60| 3b 0d 0d 20 20 56 48 61 | 6c 66 20 28 48 61 6c 66 |;.. VHa|lf (Half|
|00003e70| 77 61 79 2c 20 2a 52 45 | 79 65 2c 20 4c 69 67 68 |way, *RE|ye, Ligh|
|00003e80| 74 5f 53 6f 75 72 63 65 | 5f 52 61 79 2d 3e 44 69 |t_Source|_Ray->Di|
|00003e90| 72 65 63 74 69 6f 6e 29 | 3b 0d 20 20 56 4c 65 6e |rection)|;. VLen|
|00003ea0| 67 74 68 20 28 4e 6f 72 | 6d 61 6c 5f 4c 65 6e 67 |gth (Nor|mal_Leng|
|00003eb0| 74 68 2c 20 2a 4c 61 79 | 65 72 5f 4e 6f 72 6d 61 |th, *Lay|er_Norma|
|00003ec0| 6c 29 3b 0d 20 20 56 4c | 65 6e 67 74 68 20 28 48 |l);. VL|ength (H|
|00003ed0| 61 6c 66 77 61 79 5f 4c | 65 6e 67 74 68 2c 20 48 |alfway_L|ength, H|
|00003ee0| 61 6c 66 77 61 79 29 3b | 0d 20 20 56 44 6f 74 20 |alfway);|. VDot |
|00003ef0| 28 43 6f 73 5f 41 6e 67 | 6c 65 5f 4f 66 5f 49 6e |(Cos_Ang|le_Of_In|
|00003f00| 63 69 64 65 6e 63 65 2c | 20 48 61 6c 66 77 61 79 |cidence,| Halfway|
|00003f10| 2c 20 2a 4c 61 79 65 72 | 5f 4e 6f 72 6d 61 6c 29 |, *Layer|_Normal)|
|00003f20| 3b 0d 0d 20 20 69 66 20 | 28 4e 6f 72 6d 61 6c 5f |;.. if |(Normal_|
|00003f30| 4c 65 6e 67 74 68 20 3d | 3d 20 30 2e 30 20 7c 7c |Length =|= 0.0 |||
|00003f40| 20 48 61 6c 66 77 61 79 | 5f 4c 65 6e 67 74 68 20 | Halfway|_Length |
|00003f50| 3d 3d 20 30 2e 30 29 0d | 20 20 20 20 43 6f 73 5f |== 0.0).| Cos_|
|00003f60| 41 6e 67 6c 65 5f 4f 66 | 5f 49 6e 63 69 64 65 6e |Angle_Of|_Inciden|
|00003f70| 63 65 20 3d 20 30 2e 30 | 3b 0d 20 20 65 6c 73 65 |ce = 0.0|;. else|
|00003f80| 0d 20 20 20 20 43 6f 73 | 5f 41 6e 67 6c 65 5f 4f |. Cos|_Angle_O|
|00003f90| 66 5f 49 6e 63 69 64 65 | 6e 63 65 20 2f 3d 20 28 |f_Incide|nce /= (|
|00003fa0| 4e 6f 72 6d 61 6c 5f 4c | 65 6e 67 74 68 20 2a 20 |Normal_L|ength * |
|00003fb0| 48 61 6c 66 77 61 79 5f | 4c 65 6e 67 74 68 29 3b |Halfway_|Length);|
|00003fc0| 0d 0d 20 20 69 66 20 28 | 43 6f 73 5f 41 6e 67 6c |.. if (|Cos_Angl|
|00003fd0| 65 5f 4f 66 5f 49 6e 63 | 69 64 65 6e 63 65 20 3c |e_Of_Inc|idence <|
|00003fe0| 20 30 2e 30 29 0d 20 20 | 20 20 43 6f 73 5f 41 6e | 0.0). | Cos_An|
|00003ff0| 67 6c 65 5f 4f 66 5f 49 | 6e 63 69 64 65 6e 63 65 |gle_Of_I|ncidence|
|00004000| 20 3d 20 30 2e 30 3b 0d | 0d 0d 20 20 69 66 20 28 | = 0.0;.|.. if (|
|00004010| 46 69 6e 69 73 68 2d 3e | 52 6f 75 67 68 6e 65 73 |Finish->|Roughnes|
|00004020| 73 20 21 3d 20 31 2e 30 | 29 0d 20 20 20 20 49 6e |s != 1.0|). In|
|00004030| 74 65 6e 73 69 74 79 20 | 3d 20 70 6f 77 28 43 6f |tensity |= pow(Co|
|00004040| 73 5f 41 6e 67 6c 65 5f | 4f 66 5f 49 6e 63 69 64 |s_Angle_|Of_Incid|
|00004050| 65 6e 63 65 2c 20 46 69 | 6e 69 73 68 2d 3e 52 6f |ence, Fi|nish->Ro|
|00004060| 75 67 68 6e 65 73 73 29 | 3b 0d 20 20 65 6c 73 65 |ughness)|;. else|
|00004070| 0d 20 20 20 20 49 6e 74 | 65 6e 73 69 74 79 20 3d |. Int|ensity =|
|00004080| 20 43 6f 73 5f 41 6e 67 | 6c 65 5f 4f 66 5f 49 6e | Cos_Ang|le_Of_In|
|00004090| 63 69 64 65 6e 63 65 3b | 0d 0d 20 20 49 6e 74 65 |cidence;|.. Inte|
|000040a0| 6e 73 69 74 79 20 2a 3d | 20 46 69 6e 69 73 68 2d |nsity *=| Finish-|
|000040b0| 3e 53 70 65 63 75 6c 61 | 72 3b 0d 20 20 69 66 20 |>Specula|r;. if |
|000040c0| 28 46 69 6e 69 73 68 2d | 3e 4d 65 74 61 6c 6c 69 |(Finish-|>Metalli|
|000040d0| 63 5f 46 6c 61 67 29 20 | 0d 20 20 20 20 7b 0d 20 |c_Flag) |. {. |
|000040e0| 20 20 20 43 6f 6c 6f 75 | 72 2d 3e 52 65 64 2b 3d | Colou|r->Red+=|
|000040f0| 49 6e 74 65 6e 73 69 74 | 79 2a 28 4c 61 79 65 72 |Intensit|y*(Layer|
|00004100| 5f 50 69 67 6d 65 6e 74 | 5f 43 6f 6c 6f 75 72 2d |_Pigment|_Colour-|
|00004110| 3e 52 65 64 29 2a 28 4c | 69 67 68 74 5f 43 6f 6c |>Red)*(L|ight_Col|
|00004120| 6f 75 72 2d 3e 52 65 64 | 29 3b 20 20 20 20 0d 20 |our->Red|); . |
|00004130| 20 20 20 43 6f 6c 6f 75 | 72 2d 3e 47 72 65 65 6e | Colou|r->Green|
|00004140| 2b 3d 49 6e 74 65 6e 73 | 69 74 79 2a 28 4c 61 79 |+=Intens|ity*(Lay|
|00004150| 65 72 5f 50 69 67 6d 65 | 6e 74 5f 43 6f 6c 6f 75 |er_Pigme|nt_Colou|
|00004160| 72 2d 3e 47 72 65 65 6e | 29 2a 28 4c 69 67 68 74 |r->Green|)*(Light|
|00004170| 5f 43 6f 6c 6f 75 72 2d | 3e 47 72 65 65 6e 29 3b |_Colour-|>Green);|
|00004180| 0d 20 20 20 20 43 6f 6c | 6f 75 72 2d 3e 42 6c 75 |. Col|our->Blu|
|00004190| 65 2b 3d 49 6e 74 65 6e | 73 69 74 79 2a 28 4c 61 |e+=Inten|sity*(La|
|000041a0| 79 65 72 5f 50 69 67 6d | 65 6e 74 5f 43 6f 6c 6f |yer_Pigm|ent_Colo|
|000041b0| 75 72 2d 3e 42 6c 75 65 | 29 2a 28 4c 69 67 68 74 |ur->Blue|)*(Light|
|000041c0| 5f 43 6f 6c 6f 75 72 2d | 3e 42 6c 75 65 29 3b 20 |_Colour-|>Blue); |
|000041d0| 20 0d 20 20 20 20 7d 0d | 20 20 65 6c 73 65 20 0d | . }.| else .|
|000041e0| 20 20 20 20 7b 0d 20 20 | 20 20 43 6f 6c 6f 75 72 | {. | Colour|
|000041f0| 2d 3e 52 65 64 2b 3d 49 | 6e 74 65 6e 73 69 74 79 |->Red+=I|ntensity|
|00004200| 2a 28 4c 69 67 68 74 5f | 43 6f 6c 6f 75 72 2d 3e |*(Light_|Colour->|
|00004210| 52 65 64 29 3b 0d 20 20 | 20 20 43 6f 6c 6f 75 72 |Red);. | Colour|
|00004220| 2d 3e 47 72 65 65 6e 2b | 3d 49 6e 74 65 6e 73 69 |->Green+|=Intensi|
|00004230| 74 79 2a 28 4c 69 67 68 | 74 5f 43 6f 6c 6f 75 72 |ty*(Ligh|t_Colour|
|00004240| 2d 3e 47 72 65 65 6e 29 | 3b 0d 20 20 20 20 43 6f |->Green)|;. Co|
|00004250| 6c 6f 75 72 2d 3e 42 6c | 75 65 2b 3d 49 6e 74 65 |lour->Bl|ue+=Inte|
|00004260| 6e 73 69 74 79 2a 28 4c | 69 67 68 74 5f 43 6f 6c |nsity*(L|ight_Col|
|00004270| 6f 75 72 2d 3e 42 6c 75 | 65 29 3b 0d 20 20 20 20 |our->Blu|e);. |
|00004280| 7d 0d 20 20 7d 0d 0d 73 | 74 61 74 69 63 20 76 6f |}. }..s|tatic vo|
|00004290| 69 64 20 64 6f 5f 64 69 | 66 66 75 73 65 28 46 69 |id do_di|ffuse(Fi|
|000042a0| 6e 69 73 68 2c 20 4c 69 | 67 68 74 5f 53 6f 75 72 |nish, Li|ght_Sour|
|000042b0| 63 65 5f 52 61 79 2c 20 | 4c 61 79 65 72 5f 4e 6f |ce_Ray, |Layer_No|
|000042c0| 72 6d 61 6c 2c 20 43 6f | 6c 6f 75 72 2c 20 4c 69 |rmal, Co|lour, Li|
|000042d0| 67 68 74 5f 43 6f 6c 6f | 75 72 2c 20 4c 61 79 65 |ght_Colo|ur, Laye|
|000042e0| 72 5f 50 69 67 6d 65 6e | 74 5f 43 6f 6c 6f 75 72 |r_Pigmen|t_Colour|
|000042f0| 2c 20 41 74 74 65 6e 75 | 61 74 69 6f 6e 29 0d 46 |, Attenu|ation).F|
|00004300| 49 4e 49 53 48 20 2a 46 | 69 6e 69 73 68 3b 0d 52 |INISH *F|inish;.R|
|00004310| 41 59 20 2a 4c 69 67 68 | 74 5f 53 6f 75 72 63 65 |AY *Ligh|t_Source|
|00004320| 5f 52 61 79 3b 0d 56 45 | 43 54 4f 52 20 2a 4c 61 |_Ray;.VE|CTOR *La|
|00004330| 79 65 72 5f 4e 6f 72 6d | 61 6c 3b 0d 43 4f 4c 4f |yer_Norm|al;.COLO|
|00004340| 55 52 20 2a 43 6f 6c 6f | 75 72 2c 20 2a 4c 69 67 |UR *Colo|ur, *Lig|
|00004350| 68 74 5f 43 6f 6c 6f 75 | 72 2c 20 2a 4c 61 79 65 |ht_Colou|r, *Laye|
|00004360| 72 5f 50 69 67 6d 65 6e | 74 5f 43 6f 6c 6f 75 72 |r_Pigmen|t_Colour|
|00004370| 3b 0d 44 42 4c 20 41 74 | 74 65 6e 75 61 74 69 6f |;.DBL At|tenuatio|
|00004380| 6e 3b 0d 20 20 7b 0d 20 | 20 44 42 4c 20 43 6f 73 |n;. {. | DBL Cos|
|00004390| 5f 41 6e 67 6c 65 5f 4f | 66 5f 49 6e 63 69 64 65 |_Angle_O|f_Incide|
|000043a0| 6e 63 65 2c 20 49 6e 74 | 65 6e 73 69 74 79 3b 0d |nce, Int|ensity;.|
|000043b0| 0d 20 20 56 44 6f 74 20 | 28 43 6f 73 5f 41 6e 67 |. VDot |(Cos_Ang|
|000043c0| 6c 65 5f 4f 66 5f 49 6e | 63 69 64 65 6e 63 65 2c |le_Of_In|cidence,|
|000043d0| 20 2a 4c 61 79 65 72 5f | 4e 6f 72 6d 61 6c 2c 20 | *Layer_|Normal, |
|000043e0| 4c 69 67 68 74 5f 53 6f | 75 72 63 65 5f 52 61 79 |Light_So|urce_Ray|
|000043f0| 2d 3e 44 69 72 65 63 74 | 69 6f 6e 29 3b 0d 20 20 |->Direct|ion);. |
|00004400| 69 66 20 28 43 6f 73 5f | 41 6e 67 6c 65 5f 4f 66 |if (Cos_|Angle_Of|
|00004410| 5f 49 6e 63 69 64 65 6e | 63 65 20 3c 20 30 2e 30 |_Inciden|ce < 0.0|
|00004420| 29 0d 20 20 20 20 43 6f | 73 5f 41 6e 67 6c 65 5f |). Co|s_Angle_|
|00004430| 4f 66 5f 49 6e 63 69 64 | 65 6e 63 65 20 3d 20 2d |Of_Incid|ence = -|
|00004440| 43 6f 73 5f 41 6e 67 6c | 65 5f 4f 66 5f 49 6e 63 |Cos_Angl|e_Of_Inc|
|00004450| 69 64 65 6e 63 65 3b 0d | 0d 20 20 69 66 20 28 46 |idence;.|. if (F|
|00004460| 69 6e 69 73 68 2d 3e 42 | 72 69 6c 6c 69 61 6e 63 |inish->B|rillianc|
|00004470| 65 20 21 3d 20 31 2e 30 | 29 0d 20 20 20 20 49 6e |e != 1.0|). In|
|00004480| 74 65 6e 73 69 74 79 20 | 3d 20 70 6f 77 28 43 6f |tensity |= pow(Co|
|00004490| 73 5f 41 6e 67 6c 65 5f | 4f 66 5f 49 6e 63 69 64 |s_Angle_|Of_Incid|
|000044a0| 65 6e 63 65 2c 20 46 69 | 6e 69 73 68 2d 3e 42 72 |ence, Fi|nish->Br|
|000044b0| 69 6c 6c 69 61 6e 63 65 | 29 3b 0d 20 20 65 6c 73 |illiance|);. els|
|000044c0| 65 0d 20 20 20 20 49 6e | 74 65 6e 73 69 74 79 20 |e. In|tensity |
|000044d0| 3d 20 43 6f 73 5f 41 6e | 67 6c 65 5f 4f 66 5f 49 |= Cos_An|gle_Of_I|
|000044e0| 6e 63 69 64 65 6e 63 65 | 3b 0d 0d 20 20 49 6e 74 |ncidence|;.. Int|
|000044f0| 65 6e 73 69 74 79 20 2a | 3d 20 46 69 6e 69 73 68 |ensity *|= Finish|
|00004500| 2d 3e 44 69 66 66 75 73 | 65 20 2a 20 41 74 74 65 |->Diffus|e * Atte|
|00004510| 6e 75 61 74 69 6f 6e 3b | 0d 0d 20 20 69 66 20 28 |nuation;|.. if (|
|00004520| 46 69 6e 69 73 68 2d 3e | 43 72 61 6e 64 20 3e 20 |Finish->|Crand > |
|00004530| 30 2e 30 29 0d 20 20 20 | 20 49 6e 74 65 6e 73 69 |0.0). | Intensi|
|00004540| 74 79 20 2d 3d 20 28 28 | 72 61 6e 64 28 29 26 30 |ty -= ((|rand()&0|
|00004550| 78 37 46 46 46 29 2f 28 | 44 42 4c 29 20 30 78 37 |x7FFF)/(|DBL) 0x7|
|00004560| 46 46 46 29 20 2a 20 46 | 69 6e 69 73 68 2d 3e 43 |FFF) * F|inish->C|
|00004570| 72 61 6e 64 3b 0d 0d 20 | 20 43 6f 6c 6f 75 72 2d |rand;.. | Colour-|
|00004580| 3e 52 65 64 20 2b 3d 20 | 49 6e 74 65 6e 73 69 74 |>Red += |Intensit|
|00004590| 79 20 2a 20 28 4c 61 79 | 65 72 5f 50 69 67 6d 65 |y * (Lay|er_Pigme|
|000045a0| 6e 74 5f 43 6f 6c 6f 75 | 72 2d 3e 52 65 64 29 20 |nt_Colou|r->Red) |
|000045b0| 2a 20 28 4c 69 67 68 74 | 5f 43 6f 6c 6f 75 72 2d |* (Light|_Colour-|
|000045c0| 3e 52 65 64 29 3b 0d 20 | 20 43 6f 6c 6f 75 72 2d |>Red);. | Colour-|
|000045d0| 3e 47 72 65 65 6e 20 2b | 3d 20 49 6e 74 65 6e 73 |>Green +|= Intens|
|000045e0| 69 74 79 20 2a 20 28 4c | 61 79 65 72 5f 50 69 67 |ity * (L|ayer_Pig|
|000045f0| 6d 65 6e 74 5f 43 6f 6c | 6f 75 72 2d 3e 47 72 65 |ment_Col|our->Gre|
|00004600| 65 6e 29 20 2a 20 28 4c | 69 67 68 74 5f 43 6f 6c |en) * (L|ight_Col|
|00004610| 6f 75 72 2d 3e 47 72 65 | 65 6e 29 3b 0d 20 20 43 |our->Gre|en);. C|
|00004620| 6f 6c 6f 75 72 2d 3e 42 | 6c 75 65 20 2b 3d 20 49 |olour->B|lue += I|
|00004630| 6e 74 65 6e 73 69 74 79 | 20 2a 20 28 4c 61 79 65 |ntensity| * (Laye|
|00004640| 72 5f 50 69 67 6d 65 6e | 74 5f 43 6f 6c 6f 75 72 |r_Pigmen|t_Colour|
|00004650| 2d 3e 42 6c 75 65 29 20 | 2a 20 28 4c 69 67 68 74 |->Blue) |* (Light|
|00004660| 5f 43 6f 6c 6f 75 72 2d | 3e 42 6c 75 65 29 3b 0d |_Colour-|>Blue);.|
|00004670| 20 20 72 65 74 75 72 6e | 3b 0d 20 20 7d 0d 0d 2f | return|;. }../|
|00004680| 2a 20 47 69 76 65 6e 20 | 61 20 33 64 20 70 6f 69 |* Given |a 3d poi|
|00004690| 6e 74 20 61 6e 64 20 61 | 20 70 69 67 6d 65 6e 74 |nt and a| pigment|
|000046a0| 2c 20 61 63 63 75 6d 75 | 6c 61 74 65 20 63 6f 6c |, accumu|late col|
|000046b0| 6f 75 72 20 66 72 6f 6d | 20 74 68 61 74 20 6c 61 |our from| that la|
|000046c0| 79 65 72 20 2a 2f 0d 2f | 2a 20 46 6f 72 6d 65 72 |yer */./|* Former|
|000046d0| 6c 79 20 63 61 6c 6c 65 | 64 20 22 43 6f 6c 6f 75 |ly calle|d "Colou|
|000046e0| 72 5f 41 74 22 20 2a 2f | 0d 76 6f 69 64 20 41 64 |r_At" */|.void Ad|
|000046f0| 64 5f 50 69 67 6d 65 6e | 74 20 28 43 6f 6c 6f 75 |d_Pigmen|t (Colou|
|00004700| 72 2c 20 50 69 67 6d 65 | 6e 74 2c 20 49 50 6f 69 |r, Pigme|nt, IPoi|
|00004710| 6e 74 29 0d 43 4f 4c 4f | 55 52 20 2a 43 6f 6c 6f |nt).COLO|UR *Colo|
|00004720| 75 72 3b 0d 50 49 47 4d | 45 4e 54 20 2a 50 69 67 |ur;.PIGM|ENT *Pig|
|00004730| 6d 65 6e 74 3b 0d 56 45 | 43 54 4f 52 20 2a 49 50 |ment;.VE|CTOR *IP|
|00004740| 6f 69 6e 74 3b 0d 20 20 | 7b 0d 20 20 72 65 67 69 |oint;. |{. regi|
|00004750| 73 74 65 72 20 44 42 4c | 20 78 2c 20 79 2c 20 7a |ster DBL| x, y, z|
|00004760| 3b 0d 20 20 56 45 43 54 | 4f 52 20 54 50 6f 69 6e |;. VECT|OR TPoin|
|00004770| 74 2c 50 54 75 72 62 75 | 6c 65 6e 63 65 3b 0d 0d |t,PTurbu|lence;..|
|00004780| 20 20 69 66 20 28 50 69 | 67 6d 65 6e 74 2d 3e 54 | if (Pi|gment->T|
|00004790| 72 61 6e 73 20 21 3d 20 | 4e 55 4c 4c 29 20 0d 20 |rans != |NULL) . |
|000047a0| 20 20 20 4d 49 6e 76 54 | 72 61 6e 73 50 6f 69 6e | MInvT|ransPoin|
|000047b0| 74 20 28 26 54 50 6f 69 | 6e 74 2c 20 49 50 6f 69 |t (&TPoi|nt, IPoi|
|000047c0| 6e 74 2c 20 50 69 67 6d | 65 6e 74 2d 3e 54 72 61 |nt, Pigm|ent->Tra|
|000047d0| 6e 73 29 3b 0d 20 20 65 | 6c 73 65 20 0d 20 20 20 |ns);. e|lse . |
|000047e0| 20 54 50 6f 69 6e 74 20 | 3d 20 2a 49 50 6f 69 6e | TPoint |= *IPoin|
|000047f0| 74 3b 0d 0d 20 20 78 20 | 3d 20 54 50 6f 69 6e 74 |t;.. x |= TPoint|
|00004800| 2e 78 3b 0d 20 20 79 20 | 3d 20 54 50 6f 69 6e 74 |.x;. y |= TPoint|
|00004810| 2e 79 3b 0d 20 20 7a 20 | 3d 20 54 50 6f 69 6e 74 |.y;. z |= TPoint|
|00004820| 2e 7a 3b 0d 20 20 69 66 | 28 50 69 67 6d 65 6e 74 |.z;. if|(Pigment|
|00004830| 2d 3e 54 79 70 65 20 21 | 3d 20 57 4f 4f 44 5f 50 |->Type !|= WOOD_P|
|00004840| 49 47 4d 45 4e 54 20 26 | 26 0d 20 20 20 20 50 69 |IGMENT &|&. Pi|
|00004850| 67 6d 65 6e 74 2d 3e 54 | 79 70 65 20 21 3d 20 4d |gment->T|ype != M|
|00004860| 41 52 42 4c 45 5f 50 49 | 47 4d 45 4e 54 20 26 26 |ARBLE_PI|GMENT &&|
|00004870| 0d 20 20 20 20 50 69 67 | 6d 65 6e 74 2d 3e 54 79 |. Pig|ment->Ty|
|00004880| 70 65 20 21 3d 20 4e 4f | 5f 50 49 47 4d 45 4e 54 |pe != NO|_PIGMENT|
|00004890| 20 26 26 0d 20 20 20 20 | 50 69 67 6d 65 6e 74 2d | &&. |Pigment-|
|000048a0| 3e 54 79 70 65 20 21 3d | 20 43 4f 4c 4f 55 52 5f |>Type !=| COLOUR_|
|000048b0| 50 49 47 4d 45 4e 54 20 | 26 26 0d 20 20 20 20 2f |PIGMENT |&&. /|
|000048c0| 2a 20 20 20 20 20 20 50 | 69 67 6d 65 6e 74 2d 3e |* P|igment->|
|000048d0| 54 79 70 65 20 21 3d 20 | 53 50 4f 54 54 45 44 5f |Type != |SPOTTED_|
|000048e0| 50 49 47 4d 45 4e 54 20 | 26 26 20 2a 2f 20 2f 2a |PIGMENT |&& */ /*|
|000048f0| 6d 61 79 62 65 3f 2a 2f | 0d 20 20 20 20 50 69 67 |maybe?*/|. Pig|
|00004900| 6d 65 6e 74 2d 3e 46 6c | 61 67 73 20 26 20 48 41 |ment->Fl|ags & HA|
|00004910| 53 5f 54 55 52 42 29 0d | 20 20 20 20 7b 0d 20 20 |S_TURB).| {. |
|00004920| 20 20 44 54 75 72 62 75 | 6c 65 6e 63 65 20 28 26 | DTurbu|lence (&|
|00004930| 50 54 75 72 62 75 6c 65 | 6e 63 65 2c 20 78 2c 20 |PTurbule|nce, x, |
|00004940| 79 2c 20 7a 2c 0d 20 20 | 20 20 20 20 50 69 67 6d |y, z,. | Pigm|
|00004950| 65 6e 74 2d 3e 6f 6d 65 | 67 61 2c 50 69 67 6d 65 |ent->ome|ga,Pigme|
|00004960| 6e 74 2d 3e 6c 61 6d 62 | 64 61 2c 50 69 67 6d 65 |nt->lamb|da,Pigme|
|00004970| 6e 74 2d 3e 4f 63 74 61 | 76 65 73 29 3b 0d 20 20 |nt->Octa|ves);. |
|00004980| 20 20 78 20 2b 3d 20 50 | 54 75 72 62 75 6c 65 6e | x += P|Turbulen|
|00004990| 63 65 2e 78 20 2a 20 50 | 69 67 6d 65 6e 74 2d 3e |ce.x * P|igment->|
|000049a0| 54 75 72 62 75 6c 65 6e | 63 65 2e 78 3b 0d 20 20 |Turbulen|ce.x;. |
|000049b0| 20 20 79 20 2b 3d 20 50 | 54 75 72 62 75 6c 65 6e | y += P|Turbulen|
|000049c0| 63 65 2e 79 20 2a 20 50 | 69 67 6d 65 6e 74 2d 3e |ce.y * P|igment->|
|000049d0| 54 75 72 62 75 6c 65 6e | 63 65 2e 79 3b 0d 20 20 |Turbulen|ce.y;. |
|000049e0| 20 20 7a 20 2b 3d 20 50 | 54 75 72 62 75 6c 65 6e | z += P|Turbulen|
|000049f0| 63 65 2e 7a 20 2a 20 50 | 69 67 6d 65 6e 74 2d 3e |ce.z * P|igment->|
|00004a00| 54 75 72 62 75 6c 65 6e | 63 65 2e 7a 3b 0d 20 20 |Turbulen|ce.z;. |
|00004a10| 20 20 7d 0d 0d 0d 20 20 | 69 66 20 28 78 20 3e 20 | }... |if (x > |
|00004a20| 43 4f 4f 52 44 49 4e 41 | 54 45 5f 4c 49 4d 49 54 |COORDINA|TE_LIMIT|
|00004a30| 29 0d 20 20 20 20 78 20 | 3d 20 43 4f 4f 52 44 49 |). x |= COORDI|
|00004a40| 4e 41 54 45 5f 4c 49 4d | 49 54 3b 0d 20 20 65 6c |NATE_LIM|IT;. el|
|00004a50| 73 65 0d 20 20 20 20 69 | 66 20 28 78 20 3c 20 2d |se. i|f (x < -|
|00004a60| 43 4f 4f 52 44 49 4e 41 | 54 45 5f 4c 49 4d 49 54 |COORDINA|TE_LIMIT|
|00004a70| 29 0d 20 20 20 20 20 20 | 78 20 3d 20 2d 43 4f 4f |). |x = -COO|
|00004a80| 52 44 49 4e 41 54 45 5f | 4c 49 4d 49 54 3b 0d 0d |RDINATE_|LIMIT;..|
|00004a90| 20 20 69 66 20 28 79 20 | 3e 20 43 4f 4f 52 44 49 | if (y |> COORDI|
|00004aa0| 4e 41 54 45 5f 4c 49 4d | 49 54 29 0d 20 20 20 20 |NATE_LIM|IT). |
|00004ab0| 79 20 3d 20 43 4f 4f 52 | 44 49 4e 41 54 45 5f 4c |y = COOR|DINATE_L|
|00004ac0| 49 4d 49 54 3b 0d 20 20 | 65 6c 73 65 0d 20 20 20 |IMIT;. |else. |
|00004ad0| 20 69 66 20 28 79 20 3c | 20 2d 43 4f 4f 52 44 49 | if (y <| -COORDI|
|00004ae0| 4e 41 54 45 5f 4c 49 4d | 49 54 29 0d 20 20 20 20 |NATE_LIM|IT). |
|00004af0| 20 20 79 20 3d 20 2d 43 | 4f 4f 52 44 49 4e 41 54 | y = -C|OORDINAT|
|00004b00| 45 5f 4c 49 4d 49 54 3b | 0d 0d 20 20 69 66 20 28 |E_LIMIT;|.. if (|
|00004b10| 7a 20 3e 20 43 4f 4f 52 | 44 49 4e 41 54 45 5f 4c |z > COOR|DINATE_L|
|00004b20| 49 4d 49 54 29 0d 20 20 | 20 20 7a 20 3d 20 43 4f |IMIT). | z = CO|
|00004b30| 4f 52 44 49 4e 41 54 45 | 5f 4c 49 4d 49 54 3b 0d |ORDINATE|_LIMIT;.|
|00004b40| 20 20 65 6c 73 65 0d 20 | 20 20 20 69 66 20 28 7a | else. | if (z|
|00004b50| 20 3c 20 2d 43 4f 4f 52 | 44 49 4e 41 54 45 5f 4c | < -COOR|DINATE_L|
|00004b60| 49 4d 49 54 29 0d 20 20 | 20 20 20 20 7a 20 3d 20 |IMIT). | z = |
|00004b70| 2d 43 4f 4f 52 44 49 4e | 41 54 45 5f 4c 49 4d 49 |-COORDIN|ATE_LIMI|
|00004b80| 54 3b 0d 0d 20 20 73 77 | 69 74 63 68 20 28 50 69 |T;.. sw|itch (Pi|
|00004b90| 67 6d 65 6e 74 2d 3e 54 | 79 70 65 29 20 0d 20 20 |gment->T|ype) . |
|00004ba0| 7b 0d 20 20 63 61 73 65 | 20 4e 4f 5f 50 49 47 4d |{. case| NO_PIGM|
|00004bb0| 45 4e 54 3a 0d 20 20 20 | 20 2f 2a 20 4e 6f 20 63 |ENT:. | /* No c|
|00004bc0| 6f 6c 6f 75 72 69 6e 67 | 20 70 69 67 6d 65 6e 74 |olouring| pigment|
|00004bd0| 20 68 61 73 20 62 65 65 | 6e 20 73 70 65 63 69 66 | has bee|n specif|
|00004be0| 69 65 64 20 2d 20 6d 61 | 6b 65 20 69 74 20 62 6c |ied - ma|ke it bl|
|00004bf0| 61 63 6b 2e 20 2a 2f 0d | 20 20 20 20 4d 61 6b 65 |ack. */.| Make|
|00004c00| 5f 43 6f 6c 6f 75 72 20 | 28 43 6f 6c 6f 75 72 2c |_Colour |(Colour,|
|00004c10| 20 30 2e 30 2c 20 30 2e | 30 2c 20 30 2e 30 29 3b | 0.0, 0.|0, 0.0);|
|00004c20| 0d 20 20 20 20 43 6f 6c | 6f 75 72 20 2d 3e 20 46 |. Col|our -> F|
|00004c30| 69 6c 74 65 72 20 20 3d | 20 30 2e 30 3b 0d 20 20 |ilter =| 0.0;. |
|00004c40| 20 20 62 72 65 61 6b 3b | 0d 0d 20 20 63 61 73 65 | break;|.. case|
|00004c50| 20 43 4f 4c 4f 55 52 5f | 50 49 47 4d 45 4e 54 3a | COLOUR_|PIGMENT:|
|00004c60| 0d 20 20 20 20 43 6f 6c | 6f 75 72 20 2d 3e 20 52 |. Col|our -> R|
|00004c70| 65 64 20 2b 3d 20 50 69 | 67 6d 65 6e 74 2d 3e 43 |ed += Pi|gment->C|
|00004c80| 6f 6c 6f 75 72 31 2d 3e | 52 65 64 3b 0d 20 20 20 |olour1->|Red;. |
|00004c90| 20 43 6f 6c 6f 75 72 20 | 2d 3e 20 47 72 65 65 6e | Colour |-> Green|
|00004ca0| 20 2b 3d 20 50 69 67 6d | 65 6e 74 2d 3e 43 6f 6c | += Pigm|ent->Col|
|00004cb0| 6f 75 72 31 2d 3e 47 72 | 65 65 6e 3b 0d 20 20 20 |our1->Gr|een;. |
|00004cc0| 20 43 6f 6c 6f 75 72 20 | 2d 3e 20 42 6c 75 65 20 | Colour |-> Blue |
|00004cd0| 2b 3d 20 50 69 67 6d 65 | 6e 74 2d 3e 43 6f 6c 6f |+= Pigme|nt->Colo|
|00004ce0| 75 72 31 2d 3e 42 6c 75 | 65 3b 0d 20 20 20 20 43 |ur1->Blu|e;. C|
|00004cf0| 6f 6c 6f 75 72 20 2d 3e | 20 46 69 6c 74 65 72 20 |olour ->| Filter |
|00004d00| 2b 3d 20 50 69 67 6d 65 | 6e 74 2d 3e 43 6f 6c 6f |+= Pigme|nt->Colo|
|00004d10| 75 72 31 2d 3e 46 69 6c | 74 65 72 3b 0d 20 20 20 |ur1->Fil|ter;. |
|00004d20| 20 62 72 65 61 6b 3b 0d | 0d 20 20 63 61 73 65 20 | break;.|. case |
|00004d30| 42 4f 5a 4f 5f 50 49 47 | 4d 45 4e 54 3a 20 0d 20 |BOZO_PIG|MENT: . |
|00004d40| 20 20 20 62 6f 7a 6f 20 | 28 78 2c 20 79 2c 20 7a | bozo |(x, y, z|
|00004d50| 2c 20 50 69 67 6d 65 6e | 74 2c 20 43 6f 6c 6f 75 |, Pigmen|t, Colou|
|00004d60| 72 29 3b 0d 20 20 20 20 | 62 72 65 61 6b 3b 0d 0d |r);. |break;..|
|00004d70| 20 20 63 61 73 65 20 4d | 41 52 42 4c 45 5f 50 49 | case M|ARBLE_PI|
|00004d80| 47 4d 45 4e 54 3a 0d 20 | 20 20 20 6d 61 72 62 6c |GMENT:. | marbl|
|00004d90| 65 20 28 78 2c 20 79 2c | 20 7a 2c 20 50 69 67 6d |e (x, y,| z, Pigm|
|00004da0| 65 6e 74 2c 20 43 6f 6c | 6f 75 72 29 3b 0d 20 20 |ent, Col|our);. |
|00004db0| 20 20 62 72 65 61 6b 3b | 0d 0d 20 20 63 61 73 65 | break;|.. case|
|00004dc0| 20 57 4f 4f 44 5f 50 49 | 47 4d 45 4e 54 3a 0d 20 | WOOD_PI|GMENT:. |
|00004dd0| 20 20 20 77 6f 6f 64 20 | 28 78 2c 20 79 2c 20 7a | wood |(x, y, z|
|00004de0| 2c 20 50 69 67 6d 65 6e | 74 2c 20 43 6f 6c 6f 75 |, Pigmen|t, Colou|
|00004df0| 72 29 3b 0d 20 20 20 20 | 62 72 65 61 6b 3b 0d 0d |r);. |break;..|
|00004e00| 20 20 63 61 73 65 20 43 | 48 45 43 4b 45 52 5f 50 | case C|HECKER_P|
|00004e10| 49 47 4d 45 4e 54 3a 0d | 20 20 20 20 63 68 65 63 |IGMENT:.| chec|
|00004e20| 6b 65 72 20 28 78 2c 20 | 79 2c 20 7a 2c 20 50 69 |ker (x, |y, z, Pi|
|00004e30| 67 6d 65 6e 74 2c 20 43 | 6f 6c 6f 75 72 29 3b 0d |gment, C|olour);.|
|00004e40| 20 20 20 20 62 72 65 61 | 6b 3b 0d 0d 20 20 63 61 | brea|k;.. ca|
|00004e50| 73 65 20 53 50 4f 54 54 | 45 44 5f 50 49 47 4d 45 |se SPOTT|ED_PIGME|
|00004e60| 4e 54 3a 0d 20 20 20 20 | 73 70 6f 74 74 65 64 20 |NT:. |spotted |
|00004e70| 28 78 2c 20 79 2c 20 7a | 2c 20 50 69 67 6d 65 6e |(x, y, z|, Pigmen|
|00004e80| 74 2c 20 43 6f 6c 6f 75 | 72 29 3b 0d 20 20 20 20 |t, Colou|r);. |
|00004e90| 62 72 65 61 6b 3b 0d 0d | 20 20 63 61 73 65 20 41 |break;..| case A|
|00004ea0| 47 41 54 45 5f 50 49 47 | 4d 45 4e 54 3a 0d 20 20 |GATE_PIG|MENT:. |
|00004eb0| 20 20 61 67 61 74 65 20 | 28 78 2c 20 79 2c 20 7a | agate |(x, y, z|
|00004ec0| 2c 20 50 69 67 6d 65 6e | 74 2c 20 43 6f 6c 6f 75 |, Pigmen|t, Colou|
|00004ed0| 72 29 3b 0d 20 20 20 20 | 62 72 65 61 6b 3b 0d 0d |r);. |break;..|
|00004ee0| 20 20 63 61 73 65 20 47 | 52 41 4e 49 54 45 5f 50 | case G|RANITE_P|
|00004ef0| 49 47 4d 45 4e 54 3a 0d | 20 20 20 20 67 72 61 6e |IGMENT:.| gran|
|00004f00| 69 74 65 20 28 78 2c 20 | 79 2c 20 7a 2c 20 50 69 |ite (x, |y, z, Pi|
|00004f10| 67 6d 65 6e 74 2c 20 43 | 6f 6c 6f 75 72 29 3b 0d |gment, C|olour);.|
|00004f20| 20 20 20 20 62 72 65 61 | 6b 3b 0d 0d 20 20 63 61 | brea|k;.. ca|
|00004f30| 73 65 20 47 52 41 44 49 | 45 4e 54 5f 50 49 47 4d |se GRADI|ENT_PIGM|
|00004f40| 45 4e 54 3a 0d 20 20 20 | 20 67 72 61 64 69 65 6e |ENT:. | gradien|
|00004f50| 74 20 28 78 2c 20 79 2c | 20 7a 2c 20 50 69 67 6d |t (x, y,| z, Pigm|
|00004f60| 65 6e 74 2c 20 43 6f 6c | 6f 75 72 29 3b 0d 20 20 |ent, Col|our);. |
|00004f70| 20 20 62 72 65 61 6b 3b | 0d 0d 20 20 63 61 73 65 | break;|.. case|
|00004f80| 20 48 45 58 41 47 4f 4e | 5f 50 49 47 4d 45 4e 54 | HEXAGON|_PIGMENT|
|00004f90| 3a 0d 20 20 20 20 68 65 | 78 61 67 6f 6e 20 28 78 |:. he|xagon (x|
|00004fa0| 2c 20 79 2c 20 7a 2c 20 | 50 69 67 6d 65 6e 74 2c |, y, z, |Pigment,|
|00004fb0| 20 43 6f 6c 6f 75 72 29 | 3b 0d 20 20 20 20 62 72 | Colour)|;. br|
|00004fc0| 65 61 6b 3b 0d 0d 20 20 | 63 61 73 65 20 52 41 44 |eak;.. |case RAD|
|00004fd0| 49 41 4c 5f 50 49 47 4d | 45 4e 54 3a 0d 20 20 20 |IAL_PIGM|ENT:. |
|00004fe0| 20 72 61 64 69 61 6c 20 | 28 78 2c 20 79 2c 20 7a | radial |(x, y, z|
|00004ff0| 2c 20 50 69 67 6d 65 6e | 74 2c 20 43 6f 6c 6f 75 |, Pigmen|t, Colou|
|00005000| 72 29 3b 0d 20 20 20 20 | 62 72 65 61 6b 3b 0d 0d |r);. |break;..|
|00005010| 20 20 63 61 73 65 20 4d | 41 4e 44 45 4c 5f 50 49 | case M|ANDEL_PI|
|00005020| 47 4d 45 4e 54 3a 0d 20 | 20 20 20 6d 61 6e 64 65 |GMENT:. | mande|
|00005030| 6c 20 28 78 2c 20 79 2c | 20 7a 2c 20 50 69 67 6d |l (x, y,| z, Pigm|
|00005040| 65 6e 74 2c 20 43 6f 6c | 6f 75 72 29 3b 0d 20 20 |ent, Col|our);. |
|00005050| 20 20 62 72 65 61 6b 3b | 0d 0d 20 20 63 61 73 65 | break;|.. case|
|00005060| 20 49 4d 41 47 45 5f 4d | 41 50 5f 50 49 47 4d 45 | IMAGE_M|AP_PIGME|
|00005070| 4e 54 3a 0d 20 20 20 20 | 69 6d 61 67 65 5f 6d 61 |NT:. |image_ma|
|00005080| 70 20 28 78 2c 20 79 2c | 20 7a 2c 20 50 69 67 6d |p (x, y,| z, Pigm|
|00005090| 65 6e 74 2c 20 43 6f 6c | 6f 75 72 29 3b 0d 20 20 |ent, Col|our);. |
|000050a0| 20 20 62 72 65 61 6b 3b | 0d 0d 20 20 63 61 73 65 | break;|.. case|
|000050b0| 20 4f 4e 49 4f 4e 5f 50 | 49 47 4d 45 4e 54 3a 0d | ONION_P|IGMENT:.|
|000050c0| 20 20 20 20 6f 6e 69 6f | 6e 20 28 78 2c 20 79 2c | onio|n (x, y,|
|000050d0| 20 7a 2c 20 50 69 67 6d | 65 6e 74 2c 20 43 6f 6c | z, Pigm|ent, Col|
|000050e0| 6f 75 72 29 3b 0d 20 20 | 20 20 62 72 65 61 6b 3b |our);. | break;|
|000050f0| 0d 0d 20 20 63 61 73 65 | 20 4c 45 4f 50 41 52 44 |.. case| LEOPARD|
|00005100| 5f 50 49 47 4d 45 4e 54 | 3a 0d 20 20 20 20 6c 65 |_PIGMENT|:. le|
|00005110| 6f 70 61 72 64 20 28 78 | 2c 20 79 2c 20 7a 2c 20 |opard (x|, y, z, |
|00005120| 50 69 67 6d 65 6e 74 2c | 20 43 6f 6c 6f 75 72 29 |Pigment,| Colour)|
|00005130| 3b 0d 20 20 20 20 62 72 | 65 61 6b 3b 0d 0d 20 20 |;. br|eak;.. |
|00005140| 63 61 73 65 20 50 41 49 | 4e 54 45 44 31 5f 50 49 |case PAI|NTED1_PI|
|00005150| 47 4d 45 4e 54 3a 0d 20 | 20 20 20 70 61 69 6e 74 |GMENT:. | paint|
|00005160| 65 64 31 20 28 78 2c 20 | 79 2c 20 7a 2c 20 50 69 |ed1 (x, |y, z, Pi|
|00005170| 67 6d 65 6e 74 2c 20 43 | 6f 6c 6f 75 72 29 3b 0d |gment, C|olour);.|
|00005180| 20 20 20 20 62 72 65 61 | 6b 3b 0d 0d 20 20 63 61 | brea|k;.. ca|
|00005190| 73 65 20 50 41 49 4e 54 | 45 44 32 5f 50 49 47 4d |se PAINT|ED2_PIGM|
|000051a0| 45 4e 54 3a 0d 20 20 20 | 20 70 61 69 6e 74 65 64 |ENT:. | painted|
|000051b0| 32 20 28 78 2c 20 79 2c | 20 7a 2c 20 50 69 67 6d |2 (x, y,| z, Pigm|
|000051c0| 65 6e 74 2c 20 43 6f 6c | 6f 75 72 29 3b 0d 20 20 |ent, Col|our);. |
|000051d0| 20 20 62 72 65 61 6b 3b | 0d 0d 20 20 63 61 73 65 | break;|.. case|
|000051e0| 20 50 41 49 4e 54 45 44 | 33 5f 50 49 47 4d 45 4e | PAINTED|3_PIGMEN|
|000051f0| 54 3a 0d 20 20 20 20 70 | 61 69 6e 74 65 64 33 20 |T:. p|ainted3 |
|00005200| 28 78 2c 20 79 2c 20 7a | 2c 20 50 69 67 6d 65 6e |(x, y, z|, Pigmen|
|00005210| 74 2c 20 43 6f 6c 6f 75 | 72 29 3b 0d 20 20 20 20 |t, Colou|r);. |
|00005220| 62 72 65 61 6b 3b 0d 20 | 20 7d 0d 20 20 7d 0d 0d |break;. | }. }..|
|00005230| 0d 76 6f 69 64 20 50 65 | 72 74 75 72 62 5f 4e 6f |.void Pe|rturb_No|
|00005240| 72 6d 61 6c 28 4c 61 79 | 65 72 5f 4e 6f 72 6d 61 |rmal(Lay|er_Norma|
|00005250| 6c 2c 20 54 6e 6f 72 6d | 61 6c 2c 20 49 50 6f 69 |l, Tnorm|al, IPoi|
|00005260| 6e 74 29 0d 56 45 43 54 | 4f 52 20 2a 4c 61 79 65 |nt).VECT|OR *Laye|
|00005270| 72 5f 4e 6f 72 6d 61 6c | 2c 20 2a 49 50 6f 69 6e |r_Normal|, *IPoin|
|00005280| 74 3b 0d 54 4e 4f 52 4d | 41 4c 20 2a 54 6e 6f 72 |t;.TNORM|AL *Tnor|
|00005290| 6d 61 6c 3b 0d 20 20 7b | 0d 20 20 72 65 67 69 73 |mal;. {|. regis|
|000052a0| 74 65 72 20 44 42 4c 20 | 78 2c 20 79 2c 20 7a 3b |ter DBL |x, y, z;|
|000052b0| 0d 20 20 56 45 43 54 4f | 52 20 54 50 6f 69 6e 74 |. VECTO|R TPoint|
|000052c0| 2c 4e 54 75 72 62 75 6c | 65 6e 63 65 3b 0d 0d 20 |,NTurbul|ence;.. |
|000052d0| 20 69 66 20 28 54 6e 6f | 72 6d 61 6c 2d 3e 54 72 | if (Tno|rmal->Tr|
|000052e0| 61 6e 73 20 21 3d 20 4e | 55 4c 4c 29 20 0d 20 20 |ans != N|ULL) . |
|000052f0| 20 20 4d 49 6e 76 54 72 | 61 6e 73 50 6f 69 6e 74 | MInvTr|ansPoint|
|00005300| 20 28 26 54 50 6f 69 6e | 74 2c 20 49 50 6f 69 6e | (&TPoin|t, IPoin|
|00005310| 74 2c 20 54 6e 6f 72 6d | 61 6c 2d 3e 54 72 61 6e |t, Tnorm|al->Tran|
|00005320| 73 29 3b 0d 20 20 65 6c | 73 65 20 0d 20 20 20 20 |s);. el|se . |
|00005330| 54 50 6f 69 6e 74 20 3d | 20 2a 49 50 6f 69 6e 74 |TPoint =| *IPoint|
|00005340| 3b 0d 0d 20 20 78 20 3d | 20 54 50 6f 69 6e 74 2e |;.. x =| TPoint.|
|00005350| 78 3b 0d 20 20 79 20 3d | 20 54 50 6f 69 6e 74 2e |x;. y =| TPoint.|
|00005360| 79 3b 0d 20 20 7a 20 3d | 20 54 50 6f 69 6e 74 2e |y;. z =| TPoint.|
|00005370| 7a 3b 0d 0d 20 20 69 66 | 28 54 6e 6f 72 6d 61 6c |z;.. if|(Tnormal|
|00005380| 2d 3e 46 6c 61 67 73 20 | 26 20 48 41 53 5f 54 55 |->Flags |& HAS_TU|
|00005390| 52 42 29 0d 20 20 20 20 | 7b 0d 20 20 20 20 44 54 |RB). |{. DT|
|000053a0| 75 72 62 75 6c 65 6e 63 | 65 20 28 26 4e 54 75 72 |urbulenc|e (&NTur|
|000053b0| 62 75 6c 65 6e 63 65 2c | 20 78 2c 20 79 2c 20 7a |bulence,| x, y, z|
|000053c0| 2c 0d 20 20 20 20 20 20 | 54 6e 6f 72 6d 61 6c 2d |,. |Tnormal-|
|000053d0| 3e 6f 6d 65 67 61 2c 54 | 6e 6f 72 6d 61 6c 2d 3e |>omega,T|normal->|
|000053e0| 6c 61 6d 62 64 61 2c 54 | 6e 6f 72 6d 61 6c 2d 3e |lambda,T|normal->|
|000053f0| 4f 63 74 61 76 65 73 29 | 3b 0d 20 20 20 20 78 20 |Octaves)|;. x |
|00005400| 2b 3d 20 4e 54 75 72 62 | 75 6c 65 6e 63 65 2e 78 |+= NTurb|ulence.x|
|00005410| 20 2a 20 54 6e 6f 72 6d | 61 6c 2d 3e 54 75 72 62 | * Tnorm|al->Turb|
|00005420| 75 6c 65 6e 63 65 2e 78 | 3b 0d 20 20 20 20 79 20 |ulence.x|;. y |
|00005430| 2b 3d 20 4e 54 75 72 62 | 75 6c 65 6e 63 65 2e 79 |+= NTurb|ulence.y|
|00005440| 20 2a 20 54 6e 6f 72 6d | 61 6c 2d 3e 54 75 72 62 | * Tnorm|al->Turb|
|00005450| 75 6c 65 6e 63 65 2e 79 | 3b 0d 20 20 20 20 7a 20 |ulence.y|;. z |
|00005460| 2b 3d 20 4e 54 75 72 62 | 75 6c 65 6e 63 65 2e 7a |+= NTurb|ulence.z|
|00005470| 20 2a 20 54 6e 6f 72 6d | 61 6c 2d 3e 54 75 72 62 | * Tnorm|al->Turb|
|00005480| 75 6c 65 6e 63 65 2e 7a | 3b 0d 20 20 20 20 7d 0d |ulence.z|;. }.|
|00005490| 0d 0d 20 20 73 77 69 74 | 63 68 20 28 54 6e 6f 72 |.. swit|ch (Tnor|
|000054a0| 6d 61 6c 2d 3e 54 79 70 | 65 29 20 0d 20 20 7b 0d |mal->Typ|e) . {.|
|000054b0| 0d 20 20 63 61 73 65 20 | 57 41 56 45 53 3a 20 0d |. case |WAVES: .|
|000054c0| 20 20 20 20 77 61 76 65 | 73 20 28 78 2c 20 79 2c | wave|s (x, y,|
|000054d0| 20 7a 2c 20 54 6e 6f 72 | 6d 61 6c 2c 20 4c 61 79 | z, Tnor|mal, Lay|
|000054e0| 65 72 5f 4e 6f 72 6d 61 | 6c 29 3b 0d 20 20 20 20 |er_Norma|l);. |
|000054f0| 62 72 65 61 6b 3b 0d 0d | 20 20 63 61 73 65 20 52 |break;..| case R|
|00005500| 49 50 50 4c 45 53 3a 20 | 0d 20 20 20 20 72 69 70 |IPPLES: |. rip|
|00005510| 70 6c 65 73 20 28 78 2c | 20 79 2c 20 7a 2c 20 54 |ples (x,| y, z, T|
|00005520| 6e 6f 72 6d 61 6c 2c 20 | 4c 61 79 65 72 5f 4e 6f |normal, |Layer_No|
|00005530| 72 6d 61 6c 29 3b 0d 20 | 20 20 20 62 72 65 61 6b |rmal);. | break|
|00005540| 3b 0d 0d 20 20 63 61 73 | 65 20 57 52 49 4e 4b 4c |;.. cas|e WRINKL|
|00005550| 45 53 3a 20 0d 20 20 20 | 20 77 72 69 6e 6b 6c 65 |ES: . | wrinkle|
|00005560| 73 20 28 78 2c 20 79 2c | 20 7a 2c 20 54 6e 6f 72 |s (x, y,| z, Tnor|
|00005570| 6d 61 6c 2c 20 4c 61 79 | 65 72 5f 4e 6f 72 6d 61 |mal, Lay|er_Norma|
|00005580| 6c 29 3b 0d 20 20 20 20 | 62 72 65 61 6b 3b 0d 0d |l);. |break;..|
|00005590| 20 20 63 61 73 65 20 42 | 55 4d 50 53 3a 20 0d 20 | case B|UMPS: . |
|000055a0| 20 20 20 62 75 6d 70 73 | 20 28 78 2c 20 79 2c 20 | bumps| (x, y, |
|000055b0| 7a 2c 20 54 6e 6f 72 6d | 61 6c 2c 20 4c 61 79 65 |z, Tnorm|al, Laye|
|000055c0| 72 5f 4e 6f 72 6d 61 6c | 29 3b 0d 20 20 20 20 62 |r_Normal|);. b|
|000055d0| 72 65 61 6b 3b 0d 0d 20 | 20 63 61 73 65 20 44 45 |reak;.. | case DE|
|000055e0| 4e 54 53 3a 20 0d 20 20 | 20 20 64 65 6e 74 73 20 |NTS: . | dents |
|000055f0| 28 78 2c 20 79 2c 20 7a | 2c 20 54 6e 6f 72 6d 61 |(x, y, z|, Tnorma|
|00005600| 6c 2c 20 4c 61 79 65 72 | 5f 4e 6f 72 6d 61 6c 29 |l, Layer|_Normal)|
|00005610| 3b 0d 20 20 20 20 62 72 | 65 61 6b 3b 20 0d 0d 20 |;. br|eak; .. |
|00005620| 20 63 61 73 65 20 42 55 | 4d 50 59 31 3a 20 0d 20 | case BU|MPY1: . |
|00005630| 20 20 20 62 75 6d 70 79 | 31 20 28 78 2c 20 79 2c | bumpy|1 (x, y,|
|00005640| 20 7a 2c 20 54 6e 6f 72 | 6d 61 6c 2c 20 4c 61 79 | z, Tnor|mal, Lay|
|00005650| 65 72 5f 4e 6f 72 6d 61 | 6c 29 3b 0d 20 20 20 20 |er_Norma|l);. |
|00005660| 62 72 65 61 6b 3b 0d 0d | 20 20 63 61 73 65 20 42 |break;..| case B|
|00005670| 55 4d 50 59 32 3a 20 0d | 20 20 20 20 62 75 6d 70 |UMPY2: .| bump|
|00005680| 79 32 20 28 78 2c 20 79 | 2c 20 7a 2c 20 54 6e 6f |y2 (x, y|, z, Tno|
|00005690| 72 6d 61 6c 2c 20 4c 61 | 79 65 72 5f 4e 6f 72 6d |rmal, La|yer_Norm|
|000056a0| 61 6c 29 3b 0d 20 20 20 | 20 62 72 65 61 6b 3b 0d |al);. | break;.|
|000056b0| 0d 20 20 63 61 73 65 20 | 42 55 4d 50 59 33 3a 20 |. case |BUMPY3: |
|000056c0| 0d 20 20 20 20 62 75 6d | 70 79 33 20 28 78 2c 20 |. bum|py3 (x, |
|000056d0| 79 2c 20 7a 2c 20 54 6e | 6f 72 6d 61 6c 2c 20 4c |y, z, Tn|ormal, L|
|000056e0| 61 79 65 72 5f 4e 6f 72 | 6d 61 6c 29 3b 0d 20 20 |ayer_Nor|mal);. |
|000056f0| 20 20 62 72 65 61 6b 3b | 0d 0d 20 20 63 61 73 65 | break;|.. case|
|00005700| 20 42 55 4d 50 5f 4d 41 | 50 3a 20 0d 20 20 20 20 | BUMP_MA|P: . |
|00005710| 62 75 6d 70 5f 6d 61 70 | 20 28 78 2c 20 79 2c 20 |bump_map| (x, y, |
|00005720| 7a 2c 20 54 6e 6f 72 6d | 61 6c 2c 20 4c 61 79 65 |z, Tnorm|al, Laye|
|00005730| 72 5f 4e 6f 72 6d 61 6c | 29 3b 0d 20 20 20 20 62 |r_Normal|);. b|
|00005740| 72 65 61 6b 3b 0d 20 20 | 7d 0d 20 20 72 65 74 75 |reak;. |}. retu|
|00005750| 72 6e 3b 0d 20 20 7d 0d | 0d 76 6f 69 64 20 44 69 |rn;. }.|.void Di|
|00005760| 66 66 75 73 65 20 28 46 | 69 6e 69 73 68 2c 20 49 |ffuse (F|inish, I|
|00005770| 50 6f 69 6e 74 2c 20 45 | 79 65 2c 20 4c 61 79 65 |Point, E|ye, Laye|
|00005780| 72 5f 4e 6f 72 6d 61 6c | 2c 20 4c 61 79 65 72 5f |r_Normal|, Layer_|
|00005790| 50 69 67 6d 65 6e 74 5f | 43 6f 6c 6f 75 72 2c 20 |Pigment_|Colour, |
|000057a0| 43 6f 6c 6f 75 72 2c 20 | 41 74 74 65 6e 75 61 74 |Colour, |Attenuat|
|000057b0| 69 6f 6e 2c 20 4f 62 6a | 65 63 74 29 0d 46 49 4e |ion, Obj|ect).FIN|
|000057c0| 49 53 48 20 2a 46 69 6e | 69 73 68 3b 0d 56 45 43 |ISH *Fin|ish;.VEC|
|000057d0| 54 4f 52 20 2a 49 50 6f | 69 6e 74 2c 20 2a 4c 61 |TOR *IPo|int, *La|
|000057e0| 79 65 72 5f 4e 6f 72 6d | 61 6c 3b 0d 43 4f 4c 4f |yer_Norm|al;.COLO|
|000057f0| 55 52 20 2a 4c 61 79 65 | 72 5f 50 69 67 6d 65 6e |UR *Laye|r_Pigmen|
|00005800| 74 5f 43 6f 6c 6f 75 72 | 3b 0d 43 4f 4c 4f 55 52 |t_Colour|;.COLOUR|
|00005810| 20 2a 43 6f 6c 6f 75 72 | 3b 0d 52 41 59 20 20 20 | *Colour|;.RAY |
|00005820| 20 2a 45 79 65 3b 0d 44 | 42 4c 20 20 20 20 41 74 | *Eye;.D|BL At|
|00005830| 74 65 6e 75 61 74 69 6f | 6e 3b 0d 4f 42 4a 45 43 |tenuatio|n;.OBJEC|
|00005840| 54 20 2a 4f 62 6a 65 63 | 74 3b 0d 20 20 7b 0d 20 |T *Objec|t;. {. |
|00005850| 20 44 42 4c 20 4c 69 67 | 68 74 5f 53 6f 75 72 63 | DBL Lig|ht_Sourc|
|00005860| 65 5f 44 65 70 74 68 2c | 20 43 6f 73 5f 53 68 61 |e_Depth,| Cos_Sha|
|00005870| 64 6f 77 5f 41 6e 67 6c | 65 3b 0d 20 20 52 41 59 |dow_Angl|e;. RAY|
|00005880| 20 4c 69 67 68 74 5f 53 | 6f 75 72 63 65 5f 52 61 | Light_S|ource_Ra|
|00005890| 79 3b 0d 20 20 4c 49 47 | 48 54 5f 53 4f 55 52 43 |y;. LIG|HT_SOURC|
|000058a0| 45 20 2a 4c 69 67 68 74 | 5f 53 6f 75 72 63 65 3b |E *Light|_Source;|
|000058b0| 0d 20 20 56 45 43 54 4f | 52 20 52 45 79 65 3b 0d |. VECTO|R REye;.|
|000058c0| 20 20 43 4f 4c 4f 55 52 | 20 4c 69 67 68 74 5f 43 | COLOUR| Light_C|
|000058d0| 6f 6c 6f 75 72 3b 0d 0d | 20 20 69 66 20 28 28 46 |olour;..| if ((F|
|000058e0| 69 6e 69 73 68 2d 3e 44 | 69 66 66 75 73 65 20 3d |inish->D|iffuse =|
|000058f0| 3d 20 30 2e 30 29 20 26 | 26 20 28 46 69 6e 69 73 |= 0.0) &|& (Finis|
|00005900| 68 2d 3e 53 70 65 63 75 | 6c 61 72 20 3d 3d 20 30 |h->Specu|lar == 0|
|00005910| 2e 30 29 20 26 26 20 28 | 46 69 6e 69 73 68 2d 3e |.0) && (|Finish->|
|00005920| 50 68 6f 6e 67 20 3d 3d | 20 30 2e 30 29 29 0d 20 |Phong ==| 0.0)). |
|00005930| 20 20 20 72 65 74 75 72 | 6e 3b 0d 0d 20 20 69 66 | retur|n;.. if|
|00005940| 20 28 46 69 6e 69 73 68 | 2d 3e 53 70 65 63 75 6c | (Finish|->Specul|
|00005950| 61 72 20 21 3d 20 30 2e | 30 29 0d 20 20 20 20 7b |ar != 0.|0). {|
|00005960| 0d 20 20 20 20 52 45 79 | 65 2e 78 20 3d 20 2d 45 |. REy|e.x = -E|
|00005970| 79 65 2d 3e 44 69 72 65 | 63 74 69 6f 6e 2e 78 3b |ye->Dire|ction.x;|
|00005980| 0d 20 20 20 20 52 45 79 | 65 2e 79 20 3d 20 2d 45 |. REy|e.y = -E|
|00005990| 79 65 2d 3e 44 69 72 65 | 63 74 69 6f 6e 2e 79 3b |ye->Dire|ction.y;|
|000059a0| 0d 20 20 20 20 52 45 79 | 65 2e 7a 20 3d 20 2d 45 |. REy|e.z = -E|
|000059b0| 79 65 2d 3e 44 69 72 65 | 63 74 69 6f 6e 2e 7a 3b |ye->Dire|ction.z;|
|000059c0| 0d 20 20 20 20 7d 0d 0d | 20 20 66 6f 72 20 28 4c |. }..| for (L|
|000059d0| 69 67 68 74 5f 53 6f 75 | 72 63 65 20 3d 20 46 72 |ight_Sou|rce = Fr|
|000059e0| 61 6d 65 2e 4c 69 67 68 | 74 5f 53 6f 75 72 63 65 |ame.Ligh|t_Source|
|000059f0| 73 20 3b 20 0d 20 20 4c | 69 67 68 74 5f 53 6f 75 |s ; . L|ight_Sou|
|00005a00| 72 63 65 20 21 3d 20 4e | 55 4c 4c 3b 0d 20 20 4c |rce != N|ULL;. L|
|00005a10| 69 67 68 74 5f 53 6f 75 | 72 63 65 20 3d 20 4c 69 |ight_Sou|rce = Li|
|00005a20| 67 68 74 5f 53 6f 75 72 | 63 65 2d 3e 4e 65 78 74 |ght_Sour|ce->Next|
|00005a30| 5f 4c 69 67 68 74 5f 53 | 6f 75 72 63 65 29 0d 20 |_Light_S|ource). |
|00005a40| 20 20 20 7b 0d 20 20 20 | 20 2f 2a 20 47 65 74 20 | {. | /* Get |
|00005a50| 61 20 63 6f 6c 6f 75 72 | 20 61 6e 64 20 61 20 72 |a colour| and a r|
|00005a60| 61 79 20 2a 2f 0d 0d 20 | 20 20 20 64 6f 5f 6c 69 |ay */.. | do_li|
|00005a70| 67 68 74 28 4c 69 67 68 | 74 5f 53 6f 75 72 63 65 |ght(Ligh|t_Source|
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Only 25.0 KB of data is shown above.
