/ Chip 1996 September / CHIP Eylül 1996.iso / utils / povray / povsrc.sea / POVSRC / SOURCE / NORMAL.C

< prev

next >

MacOS 8.1

Win98

DOS

browse contents

view JSON data

view as text

+--------+-------------------------+-------------------------+--------+--------+
|00000000| 00 08 4e 4f 52 4d 41 4c | 2e 43 00 00 00 00 00 00 |..NORMAL|.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 1d c9 00 | 00 01 ac a8 7c c1 e4 a8 |........|....|...|
|00000060| 7c c1 e4 00 00 08 00 00 | 00 00 00 00 00 00 00 00 ||.......|........|
|00000070| 00 00 00 00 00 00 00 00 | 00 00 81 81 21 0b 00 00 |........|....!...|
|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 6e |        |       n|
|000000e0| 6f 72 6d 61 6c 2e 63 0d | 2a 0d 2a 20 20 54 68 69 |ormal.c.|*.*  Thi|
|000000f0| 73 20 6d 6f 64 75 6c 65 | 20 69 6d 70 6c 65 6d 65 |s module| impleme|
|00000100| 6e 74 73 20 73 6f 6c 69 | 64 20 74 65 78 74 75 72 |nts soli|d textur|
|00000110| 69 6e 67 20 66 75 6e 63 | 74 69 6f 6e 73 20 74 68 |ing func|tions th|
|00000120| 61 74 20 70 65 72 74 75 | 72 62 20 74 68 65 20 73 |at pertu|rb the s|
|00000130| 75 72 66 61 63 65 0d 2a | 20 20 6e 6f 72 6d 61 6c |urface.*|  normal|
|00000140| 20 74 6f 20 63 72 65 61 | 74 65 20 61 20 62 75 6d | to crea|te a bum|
|00000150| 70 79 20 65 66 66 65 63 | 74 2e 20 0d 2a 0d 2a 20 |py effec|t. .*.* |
|00000160| 20 66 72 6f 6d 20 50 65 | 72 73 69 73 74 65 6e 63 | from Pe|rsistenc|
|00000170| 65 20 6f 66 20 56 69 73 | 69 6f 6e 20 52 61 79 74 |e of Vis|ion Rayt|
|00000180| 72 61 63 65 72 0d 2a 20 | 20 43 6f 70 79 72 69 67 |racer.* | Copyrig|
|00000190| 68 74 20 31 39 39 33 20 | 50 65 72 73 69 73 74 65 |ht 1993 |Persiste|
|000001a0| 6e 63 65 20 6f 66 20 56 | 69 73 69 6f 6e 20 54 65 |nce of V|ision Te|
|000001b0| 61 6d 0d 2a 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |am.*----|--------|
|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 0d |--------|-------.|
|00000200| 2a 20 20 4e 4f 54 49 43 | 45 3a 20 54 68 69 73 20 |*  NOTIC|E: This |
|00000210| 73 6f 75 72 63 65 20 63 | 6f 64 65 20 66 69 6c 65 |source c|ode file|
|00000220| 20 69 73 20 70 72 6f 76 | 69 64 65 64 20 73 6f 20 | is prov|ided so |
|00000230| 74 68 61 74 20 75 73 65 | 72 73 20 6d 61 79 20 65 |that use|rs may e|
|00000240| 78 70 65 72 69 6d 65 6e | 74 0d 2a 20 20 77 69 74 |xperimen|t.*  wit|
|00000250| 68 20 65 6e 68 61 6e 63 | 65 6d 65 6e 74 73 20 74 |h enhanc|ements t|
|00000260| 6f 20 50 4f 56 2d 52 61 | 79 20 61 6e 64 20 74 6f |o POV-Ra|y and to|
|00000270| 20 70 6f 72 74 20 74 68 | 65 20 73 6f 66 74 77 61 | port th|e softwa|
|00000280| 72 65 20 74 6f 20 70 6c | 61 74 66 6f 72 6d 73 20 |re to pl|atforms |
|00000290| 6f 74 68 65 72 20 0d 2a | 20 20 74 68 61 6e 20 74 |other .*|  than t|
|000002a0| 68 6f 73 65 20 73 75 70 | 70 6f 72 74 65 64 20 62 |hose sup|ported b|
|000002b0| 79 20 74 68 65 20 50 4f | 56 2d 52 61 79 20 54 65 |y the PO|V-Ray Te|
|000002c0| 61 6d 2e 20 20 54 68 65 | 72 65 20 61 72 65 20 73 |am.  The|re are s|
|000002d0| 74 72 69 63 74 20 72 75 | 6c 65 73 20 75 6e 64 65 |trict ru|les unde|
|000002e0| 72 0d 2a 20 20 77 68 69 | 63 68 20 79 6f 75 20 61 |r.*  whi|ch you a|
|000002f0| 72 65 20 70 65 72 6d 69 | 74 74 65 64 20 74 6f 20 |re permi|tted to |
|00000300| 75 73 65 20 74 68 69 73 | 20 66 69 6c 65 2e 20 20 |use this| file.  |
|00000310| 54 68 65 20 72 75 6c 65 | 73 20 61 72 65 20 69 6e |The rule|s are in|
|00000320| 20 74 68 65 20 66 69 6c | 65 0d 2a 20 20 6e 61 6d | the fil|e.*  nam|
|00000330| 65 64 20 50 4f 56 4c 45 | 47 41 4c 2e 44 4f 43 20 |ed POVLE|GAL.DOC |
|00000340| 77 68 69 63 68 20 73 68 | 6f 75 6c 64 20 62 65 20 |which sh|ould be |
|00000350| 64 69 73 74 72 69 62 75 | 74 65 64 20 77 69 74 68 |distribu|ted with|
|00000360| 20 74 68 69 73 20 66 69 | 6c 65 2e 20 49 66 20 0d | this fi|le. 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..*.***|********|
|00000520| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00000530| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00000540| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00000550| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00000560| 2a 2a 2f 0d 0d 2f 2a 0d | 20 20 20 53 6f 6d 65 20 |**/../*.|   Some |
|00000570| 74 65 78 74 75 72 65 20 | 69 64 65 61 73 20 67 61 |texture |ideas ga|
|00000580| 72 6e 65 72 65 64 20 66 | 72 6f 6d 20 53 49 47 47 |rnered f|rom SIGG|
|00000590| 52 41 50 48 20 27 38 35 | 20 56 6f 6c 75 6d 65 20 |RAPH '85| Volume |
|000005a0| 31 39 20 4e 75 6d 62 65 | 72 20 33 2c 20 0d 20 20 |19 Numbe|r 3, .  |
|000005b0| 20 22 41 6e 20 49 6d 61 | 67 65 20 53 79 6e 74 68 | "An Ima|ge Synth|
|000005c0| 65 73 69 7a 65 72 22 20 | 42 79 20 4b 65 6e 20 50 |esizer" |By Ken P|
|000005d0| 65 72 6c 69 6e 2e 0d 20 | 20 20 46 75 72 74 68 65 |erlin.. |  Furthe|
|000005e0| 72 20 49 64 65 61 73 20 | 47 61 72 6e 65 72 65 64 |r Ideas |Garnered|
|000005f0| 20 66 72 6f 6d 20 22 54 | 68 65 20 52 65 6e 64 65 | from "T|he Rende|
|00000600| 72 4d 61 6e 20 43 6f 6d | 70 61 6e 69 6f 6e 22 20 |rMan Com|panion" |
|00000610| 28 41 64 64 69 73 6f 6e | 20 57 65 73 6c 65 79 29 |(Addison| Wesley)|
|00000620| 0d 2a 2f 0d 0d 23 69 6e | 63 6c 75 64 65 20 22 66 |.*/..#in|clude "f|
|00000630| 72 61 6d 65 2e 68 22 0d | 23 69 6e 63 6c 75 64 65 |rame.h".|#include|
|00000640| 20 22 76 65 63 74 6f 72 | 2e 68 22 0d 23 69 6e 63 | "vector|.h".#inc|
|00000650| 6c 75 64 65 20 22 70 6f | 76 70 72 6f 74 6f 2e 68 |lude "po|vproto.h|
|00000660| 22 0d 23 69 6e 63 6c 75 | 64 65 20 22 74 65 78 74 |".#inclu|de "text|
|00000670| 75 72 65 2e 68 22 0d 0d | 65 78 74 65 72 6e 20 75 |ure.h"..|extern u|
|00000680| 6e 73 69 67 6e 65 64 20 | 73 68 6f 72 74 20 63 72 |nsigned |short cr|
|00000690| 63 74 61 62 5b 32 35 36 | 5d 3b 0d 0d 76 6f 69 64 |ctab[256|];..void|
|000006a0| 20 72 69 70 70 6c 65 73 | 20 28 78 2c 20 79 2c 20 | ripples| (x, y, |
|000006b0| 7a 2c 20 54 6e 6f 72 6d | 61 6c 2c 20 6e 6f 72 6d |z, Tnorm|al, norm|
|000006c0| 61 6c 29 0d 44 42 4c 20 | 78 2c 20 79 2c 20 7a 3b |al).DBL |x, y, z;|
|000006d0| 0d 54 4e 4f 52 4d 41 4c | 20 2a 54 6e 6f 72 6d 61 |.TNORMAL| *Tnorma|
|000006e0| 6c 3b 0d 56 45 43 54 4f | 52 20 2a 6e 6f 72 6d 61 |l;.VECTO|R *norma|
|000006f0| 6c 3b 0d 20 20 7b 0d 20 | 20 72 65 67 69 73 74 65 |l;.  {. | registe|
|00000700| 72 20 69 6e 74 20 69 3b | 0d 20 20 56 45 43 54 4f |r int i;|.  VECTO|
|00000710| 52 20 70 6f 69 6e 74 3b | 0d 20 20 72 65 67 69 73 |R point;|.  regis|
|00000720| 74 65 72 20 44 42 4c 20 | 6c 65 6e 67 74 68 2c 20 |ter DBL |length, |
|00000730| 73 63 61 6c 61 72 2c 20 | 69 6e 64 65 78 3b 0d 0d |scalar, |index;..|
|00000740| 20 20 69 66 20 28 4f 70 | 74 69 6f 6e 73 20 26 20 |  if (Op|tions & |
|00000750| 44 45 42 55 47 47 49 4e | 47 29 0d 20 20 20 20 70 |DEBUGGIN|G).    p|
|00000760| 72 69 6e 74 66 20 28 22 | 72 69 70 70 6c 65 73 20 |rintf ("|ripples |
|00000770| 25 67 20 25 67 20 25 67 | 22 2c 20 78 2c 20 79 2c |%g %g %g|", x, y,|
|00000780| 20 7a 29 3b 0d 0d 20 20 | 66 6f 72 20 28 69 20 3d | z);..  |for (i =|
|00000790| 20 30 20 3b 20 69 20 3c | 20 4e 55 4d 42 45 52 5f | 0 ; i <| NUMBER_|
|000007a0| 4f 46 5f 57 41 56 45 53 | 20 3b 20 69 2b 2b 29 20 |OF_WAVES| ; i++) |
|000007b0| 0d 20 20 20 20 7b 0d 20 | 20 20 20 70 6f 69 6e 74 |.    {. |   point|
|000007c0| 2e 78 20 3d 20 78 3b 0d | 20 20 20 20 70 6f 69 6e |.x = x;.|    poin|
|000007d0| 74 2e 79 20 3d 20 79 3b | 0d 20 20 20 20 70 6f 69 |t.y = y;|.    poi|
|000007e0| 6e 74 2e 7a 20 3d 20 7a | 3b 0d 20 20 20 20 56 53 |nt.z = z|;.    VS|
|000007f0| 75 62 20 28 70 6f 69 6e | 74 2c 20 70 6f 69 6e 74 |ub (poin|t, point|
|00000800| 2c 20 57 61 76 65 5f 53 | 6f 75 72 63 65 73 5b 69 |, Wave_S|ources[i|
|00000810| 5d 29 3b 0d 20 20 20 20 | 56 44 6f 74 20 28 6c 65 |]);.    |VDot (le|
|00000820| 6e 67 74 68 2c 20 70 6f | 69 6e 74 2c 20 70 6f 69 |ngth, po|int, poi|
|00000830| 6e 74 29 3b 0d 20 20 20 | 20 69 66 20 28 6c 65 6e |nt);.   | if (len|
|00000840| 67 74 68 20 3d 3d 20 30 | 2e 30 29 0d 20 20 20 20 |gth == 0|.0).    |
|00000850| 20 20 6c 65 6e 67 74 68 | 20 3d 20 31 2e 30 3b 0d |  length| = 1.0;.|
|00000860| 0d 20 20 20 20 6c 65 6e | 67 74 68 20 3d 20 73 71 |.    len|gth = sq|
|00000870| 72 74 28 6c 65 6e 67 74 | 68 29 3b 0d 20 20 20 20 |rt(lengt|h);.    |
|00000880| 69 6e 64 65 78 20 3d 20 | 6c 65 6e 67 74 68 2a 54 |index = |length*T|
|00000890| 6e 6f 72 6d 61 6c 2d 3e | 46 72 65 71 75 65 6e 63 |normal->|Frequenc|
|000008a0| 79 0d 20 20 20 20 2b 20 | 54 6e 6f 72 6d 61 6c 20 |y.    + |Tnormal |
|000008b0| 2d 3e 20 50 68 61 73 65 | 3b 0d 20 20 20 20 73 63 |-> Phase|;.    sc|
|000008c0| 61 6c 61 72 20 3d 20 63 | 79 63 6c 6f 69 64 61 6c |alar = c|ycloidal|
|000008d0| 20 28 69 6e 64 65 78 29 | 20 2a 20 54 6e 6f 72 6d | (index)| * Tnorm|
|000008e0| 61 6c 20 2d 3e 20 41 6d | 6f 75 6e 74 3b 0d 0d 20 |al -> Am|ount;.. |
|000008f0| 20 20 20 69 66 20 28 4f | 70 74 69 6f 6e 73 20 26 |   if (O|ptions &|
|00000900| 20 44 45 42 55 47 47 49 | 4e 47 29 0d 20 20 20 20 | DEBUGGI|NG).    |
|00000910| 20 20 70 72 69 6e 74 66 | 20 28 22 20 69 6e 64 65 |  printf| (" inde|
|00000920| 78 20 25 67 20 73 63 61 | 6c 61 72 20 25 67 20 6c |x %g sca|lar %g l|
|00000930| 65 6e 67 74 68 20 25 67 | 5c 6e 22 2c 20 69 6e 64 |ength %g|\n", ind|
|00000940| 65 78 2c 20 73 63 61 6c | 61 72 2c 20 6c 65 6e 67 |ex, scal|ar, leng|
|00000950| 74 68 29 3b 0d 0d 20 20 | 20 20 56 53 63 61 6c 65 |th);..  |  VScale|
|00000960| 20 28 70 6f 69 6e 74 2c | 20 70 6f 69 6e 74 2c 20 | (point,| point, |
|00000970| 73 63 61 6c 61 72 2f 6c | 65 6e 67 74 68 2f 28 44 |scalar/l|ength/(D|
|00000980| 42 4c 29 4e 55 4d 42 45 | 52 5f 4f 46 5f 57 41 56 |BL)NUMBE|R_OF_WAV|
|00000990| 45 53 29 3b 0d 20 20 20 | 20 56 41 64 64 20 28 2a |ES);.   | VAdd (*|
|000009a0| 6e 6f 72 6d 61 6c 2c 20 | 2a 6e 6f 72 6d 61 6c 2c |normal, |*normal,|
|000009b0| 20 70 6f 69 6e 74 29 3b | 0d 20 20 20 20 7d 0d 20 | point);|.    }. |
|000009c0| 20 56 4e 6f 72 6d 61 6c | 69 7a 65 20 28 2a 6e 6f | VNormal|ize (*no|
|000009d0| 72 6d 61 6c 2c 20 2a 6e | 6f 72 6d 61 6c 29 3b 0d |rmal, *n|ormal);.|
|000009e0| 20 20 7d 0d 0d 76 6f 69 | 64 20 77 61 76 65 73 20 |  }..voi|d waves |
|000009f0| 28 78 2c 20 79 2c 20 7a | 2c 20 54 6e 6f 72 6d 61 |(x, y, z|, Tnorma|
|00000a00| 6c 2c 20 6e 6f 72 6d 61 | 6c 29 0d 44 42 4c 20 78 |l, norma|l).DBL x|
|00000a10| 2c 20 79 2c 20 7a 3b 0d | 54 4e 4f 52 4d 41 4c 20 |, y, z;.|TNORMAL |
|00000a20| 2a 54 6e 6f 72 6d 61 6c | 3b 0d 56 45 43 54 4f 52 |*Tnormal|;.VECTOR|
|00000a30| 20 2a 6e 6f 72 6d 61 6c | 3b 0d 20 20 7b 0d 20 20 | *normal|;.  {.  |
|00000a40| 72 65 67 69 73 74 65 72 | 20 69 6e 74 20 69 3b 0d |register| int i;.|
|00000a50| 20 20 56 45 43 54 4f 52 | 20 70 6f 69 6e 74 3b 0d |  VECTOR| point;.|
|00000a60| 20 20 72 65 67 69 73 74 | 65 72 20 44 42 4c 20 6c |  regist|er DBL l|
|00000a70| 65 6e 67 74 68 2c 20 73 | 63 61 6c 61 72 2c 20 69 |ength, s|calar, i|
|00000a80| 6e 64 65 78 2c 20 73 69 | 6e 56 61 6c 75 65 20 3b |ndex, si|nValue ;|
|00000a90| 0d 0d 20 20 69 66 20 28 | 4f 70 74 69 6f 6e 73 20 |..  if (|Options |
|00000aa0| 26 20 44 45 42 55 47 47 | 49 4e 47 29 0d 20 20 20 |& DEBUGG|ING).   |
|00000ab0| 20 70 72 69 6e 74 66 20 | 28 22 77 61 76 65 73 20 | printf |("waves |
|00000ac0| 25 67 20 25 67 20 25 67 | 5c 6e 22 2c 20 78 2c 20 |%g %g %g|\n", x, |
|00000ad0| 79 2c 20 7a 29 3b 0d 0d | 20 20 66 6f 72 20 28 69 |y, z);..|  for (i|
|00000ae0| 20 3d 20 30 20 3b 20 69 | 20 3c 20 4e 55 4d 42 45 | = 0 ; i| < NUMBE|
|00000af0| 52 5f 4f 46 5f 57 41 56 | 45 53 20 3b 20 69 2b 2b |R_OF_WAV|ES ; i++|
|00000b00| 29 20 0d 20 20 20 20 7b | 0d 20 20 20 20 70 6f 69 |) .    {|.    poi|
|00000b10| 6e 74 2e 78 20 3d 20 78 | 3b 0d 20 20 20 20 70 6f |nt.x = x|;.    po|
|00000b20| 69 6e 74 2e 79 20 3d 20 | 79 3b 0d 20 20 20 20 70 |int.y = |y;.    p|
|00000b30| 6f 69 6e 74 2e 7a 20 3d | 20 7a 3b 0d 20 20 20 20 |oint.z =| z;.    |
|00000b40| 56 53 75 62 20 28 70 6f | 69 6e 74 2c 20 70 6f 69 |VSub (po|int, poi|
|00000b50| 6e 74 2c 20 57 61 76 65 | 5f 53 6f 75 72 63 65 73 |nt, Wave|_Sources|
|00000b60| 5b 69 5d 29 3b 0d 20 20 | 20 20 56 44 6f 74 20 28 |[i]);.  |  VDot (|
|00000b70| 6c 65 6e 67 74 68 2c 20 | 70 6f 69 6e 74 2c 20 70 |length, |point, p|
|00000b80| 6f 69 6e 74 29 3b 0d 20 | 20 20 20 69 66 20 28 6c |oint);. |   if (l|
|00000b90| 65 6e 67 74 68 20 3d 3d | 20 30 2e 30 29 0d 20 20 |ength ==| 0.0).  |
|00000ba0| 20 20 20 20 6c 65 6e 67 | 74 68 20 3d 20 31 2e 30 |    leng|th = 1.0|
|00000bb0| 3b 0d 0d 20 20 20 20 6c | 65 6e 67 74 68 20 3d 20 |;..    l|ength = |
|00000bc0| 73 71 72 74 28 6c 65 6e | 67 74 68 29 3b 0d 20 20 |sqrt(len|gth);.  |
|00000bd0| 20 20 69 6e 64 65 78 20 | 3d 20 28 6c 65 6e 67 74 |  index |= (lengt|
|00000be0| 68 20 2a 20 54 6e 6f 72 | 6d 61 6c 20 2d 3e 20 46 |h * Tnor|mal -> F|
|00000bf0| 72 65 71 75 65 6e 63 79 | 20 2a 20 66 72 65 71 75 |requency| * frequ|
|00000c00| 65 6e 63 79 5b 69 5d 29 | 0d 20 20 20 20 20 20 2b |ency[i])|.      +|
|00000c10| 20 54 6e 6f 72 6d 61 6c | 20 2d 3e 20 50 68 61 73 | Tnormal| -> Phas|
|00000c20| 65 3b 0d 20 20 20 20 73 | 69 6e 56 61 6c 75 65 20 |e;.    s|inValue |
|00000c30| 3d 20 63 79 63 6c 6f 69 | 64 61 6c 20 28 69 6e 64 |= cycloi|dal (ind|
|00000c40| 65 78 29 3b 0d 0d 20 20 | 20 20 73 63 61 6c 61 72 |ex);..  |  scalar|
|00000c50| 20 3d 20 20 73 69 6e 56 | 61 6c 75 65 20 2a 20 54 | =  sinV|alue * T|
|00000c60| 6e 6f 72 6d 61 6c 20 2d | 3e 20 41 6d 6f 75 6e 74 |normal -|> Amount|
|00000c70| 20 2f 0d 20 20 20 20 66 | 72 65 71 75 65 6e 63 79 | /.    f|requency|
|00000c80| 5b 69 5d 3b 0d 20 20 20 | 20 56 53 63 61 6c 65 20 |[i];.   | VScale |
|00000c90| 28 70 6f 69 6e 74 2c 20 | 70 6f 69 6e 74 2c 20 73 |(point, |point, s|
|00000ca0| 63 61 6c 61 72 2f 6c 65 | 6e 67 74 68 2f 28 44 42 |calar/le|ngth/(DB|
|00000cb0| 4c 29 4e 55 4d 42 45 52 | 5f 4f 46 5f 57 41 56 45 |L)NUMBER|_OF_WAVE|
|00000cc0| 53 29 3b 0d 20 20 20 20 | 56 41 64 64 20 28 2a 6e |S);.    |VAdd (*n|
|00000cd0| 6f 72 6d 61 6c 2c 20 2a | 6e 6f 72 6d 61 6c 2c 20 |ormal, *|normal, |
|00000ce0| 70 6f 69 6e 74 29 3b 0d | 20 20 20 20 7d 0d 20 20 |point);.|    }.  |
|00000cf0| 56 4e 6f 72 6d 61 6c 69 | 7a 65 20 28 2a 6e 6f 72 |VNormali|ze (*nor|
|00000d00| 6d 61 6c 2c 20 2a 6e 6f | 72 6d 61 6c 29 3b 0d 20 |mal, *no|rmal);. |
|00000d10| 20 7d 0d 0d 0d 76 6f 69 | 64 20 62 75 6d 70 73 20 | }...voi|d bumps |
|00000d20| 28 78 2c 20 79 2c 20 7a | 2c 20 54 6e 6f 72 6d 61 |(x, y, z|, Tnorma|
|00000d30| 6c 2c 20 6e 6f 72 6d 61 | 6c 29 0d 44 42 4c 20 78 |l, norma|l).DBL x|
|00000d40| 2c 20 79 2c 20 7a 3b 0d | 54 4e 4f 52 4d 41 4c 20 |, y, z;.|TNORMAL |
|00000d50| 2a 54 6e 6f 72 6d 61 6c | 3b 0d 56 45 43 54 4f 52 |*Tnormal|;.VECTOR|
|00000d60| 20 2a 6e 6f 72 6d 61 6c | 3b 0d 20 20 7b 0d 20 20 | *normal|;.  {.  |
|00000d70| 56 45 43 54 4f 52 20 62 | 75 6d 70 5f 74 75 72 62 |VECTOR b|ump_turb|
|00000d80| 3b 0d 0d 20 20 69 66 20 | 28 54 6e 6f 72 6d 61 6c |;..  if |(Tnormal|
|00000d90| 20 2d 3e 20 41 6d 6f 75 | 6e 74 20 3d 3d 20 30 2e | -> Amou|nt == 0.|
|00000da0| 30 29 0d 20 20 20 20 72 | 65 74 75 72 6e 3b 20 20 |0).    r|eturn;  |
|00000db0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000dc0| 20 20 20 20 20 20 20 20 | 20 20 2f 2a 20 77 68 79 |        |  /* why|
|00000dd0| 20 61 72 65 20 77 65 20 | 68 65 72 65 3f 3f 20 2a | are we |here?? *|
|00000de0| 2f 0d 0d 20 20 69 66 20 | 28 4f 70 74 69 6f 6e 73 |/..  if |(Options|
|00000df0| 20 26 20 44 45 42 55 47 | 47 49 4e 47 29 0d 20 20 | & DEBUG|GING).  |
|00000e00| 20 20 70 72 69 6e 74 66 | 20 28 22 62 75 6d 70 73 |  printf| ("bumps|
|00000e10| 20 25 67 20 25 67 20 25 | 67 5c 6e 22 2c 20 78 2c | %g %g %|g\n", x,|
|00000e20| 20 79 2c 20 7a 29 3b 0d | 0d 20 20 44 4e 6f 69 73 | y, z);.|.  DNois|
|00000e30| 65 20 28 26 62 75 6d 70 | 5f 74 75 72 62 2c 20 78 |e (&bump|_turb, x|
|00000e40| 2c 20 79 2c 20 7a 29 3b | 20 20 20 20 20 20 20 20 |, y, z);|        |
|00000e50| 20 2f 2a 20 47 65 74 20 | 4e 6f 72 6d 61 6c 20 44 | /* Get |Normal D|
|00000e60| 69 73 70 6c 61 63 65 6d | 65 6e 74 20 56 61 6c 2e |isplacem|ent Val.|
|00000e70| 20 2a 2f 0d 20 20 56 53 | 63 61 6c 65 28 62 75 6d | */.  VS|cale(bum|
|00000e80| 70 5f 74 75 72 62 2c 20 | 62 75 6d 70 5f 74 75 72 |p_turb, |bump_tur|
|00000e90| 62 2c 20 54 6e 6f 72 6d | 61 6c 2d 3e 41 6d 6f 75 |b, Tnorm|al->Amou|
|00000ea0| 6e 74 29 3b 0d 20 20 56 | 41 64 64 20 28 2a 6e 6f |nt);.  V|Add (*no|
|00000eb0| 72 6d 61 6c 2c 20 2a 6e | 6f 72 6d 61 6c 2c 20 62 |rmal, *n|ormal, b|
|00000ec0| 75 6d 70 5f 74 75 72 62 | 29 3b 20 20 20 2f 2a 20 |ump_turb|);   /* |
|00000ed0| 64 69 73 70 6c 61 63 65 | 20 22 6e 6f 72 6d 61 6c |displace| "normal|
|00000ee0| 22 20 2a 2f 0d 20 20 56 | 4e 6f 72 6d 61 6c 69 7a |" */.  V|Normaliz|
|00000ef0| 65 20 28 2a 6e 6f 72 6d | 61 6c 2c 20 2a 6e 6f 72 |e (*norm|al, *nor|
|00000f00| 6d 61 6c 29 3b 20 20 20 | 20 20 20 20 20 2f 2a 20 |mal);   |     /* |
|00000f10| 6e 6f 72 6d 61 6c 69 7a | 65 20 6e 6f 72 6d 61 6c |normaliz|e normal|
|00000f20| 21 20 2a 2f 0d 20 20 72 | 65 74 75 72 6e 3b 0d 20 |! */.  r|eturn;. |
|00000f30| 20 7d 0d 0d 2f 2a 0d 20 | 20 20 64 65 6e 74 73 20 | }../*. |  dents |
|00000f40| 69 73 20 73 69 6d 69 6c | 61 72 20 74 6f 20 62 75 |is simil|ar to bu|
|00000f50| 6d 70 73 2c 20 62 75 74 | 20 75 73 65 73 20 6e 6f |mps, but| uses no|
|00000f60| 69 73 65 28 29 20 74 6f | 20 63 6f 6e 74 72 6f 6c |ise() to| control|
|00000f70| 20 74 68 65 20 61 6d 6f | 75 6e 74 20 6f 66 0d 20 | the amo|unt of. |
|00000f80| 20 20 64 6e 6f 69 73 65 | 28 29 20 70 65 72 74 75 |  dnoise|() pertu|
|00000f90| 72 62 61 74 69 6f 6e 20 | 6f 66 20 74 68 65 20 6f |rbation |of the o|
|00000fa0| 62 6a 65 63 74 20 6e 6f | 72 6d 61 6c 2e 2e 2e 0d |bject no|rmal....|
|00000fb0| 2a 2f 0d 0d 76 6f 69 64 | 20 64 65 6e 74 73 20 28 |*/..void| dents (|
|00000fc0| 78 2c 20 79 2c 20 7a 2c | 20 54 6e 6f 72 6d 61 6c |x, y, z,| Tnormal|
|00000fd0| 2c 20 6e 6f 72 6d 61 6c | 29 0d 44 42 4c 20 78 2c |, normal|).DBL x,|
|00000fe0| 20 79 2c 20 7a 3b 0d 54 | 4e 4f 52 4d 41 4c 20 2a | y, z;.T|NORMAL *|
|00000ff0| 54 6e 6f 72 6d 61 6c 3b | 0d 56 45 43 54 4f 52 20 |Tnormal;|.VECTOR |
|00001000| 2a 6e 6f 72 6d 61 6c 3b | 0d 20 20 7b 0d 20 20 56 |*normal;|.  {.  V|
|00001010| 45 43 54 4f 52 20 73 74 | 75 63 63 6f 5f 74 75 72 |ECTOR st|ucco_tur|
|00001020| 62 3b 0d 20 20 44 42 4c | 20 6e 6f 69 73 65 3b 0d |b;.  DBL| noise;.|
|00001030| 0d 20 20 69 66 20 28 54 | 6e 6f 72 6d 61 6c 20 2d |.  if (T|normal -|
|00001040| 3e 20 41 6d 6f 75 6e 74 | 20 3d 3d 20 30 2e 30 29 |> Amount| == 0.0)|
|00001050| 0d 20 20 20 20 72 65 74 | 75 72 6e 3b 20 20 20 20 |.    ret|urn;    |
|00001060| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00001070| 20 20 20 20 20 20 20 2f | 2a 20 77 68 79 20 61 72 |       /|* why ar|
|00001080| 65 20 77 65 20 68 65 72 | 65 3f 3f 20 2a 2f 0d 0d |e we her|e?? */..|
|00001090| 20 20 6e 6f 69 73 65 20 | 3d 20 4e 6f 69 73 65 20 |  noise |= Noise |
|000010a0| 28 78 2c 20 79 2c 20 7a | 29 3b 0d 0d 20 20 6e 6f |(x, y, z|);..  no|
|000010b0| 69 73 65 20 3d 20 20 6e | 6f 69 73 65 20 2a 20 6e |ise =  n|oise * n|
|000010c0| 6f 69 73 65 20 2a 20 6e | 6f 69 73 65 20 2a 20 54 |oise * n|oise * T|
|000010d0| 6e 6f 72 6d 61 6c 2d 3e | 41 6d 6f 75 6e 74 3b 0d |normal->|Amount;.|
|000010e0| 0d 20 20 69 66 20 28 4f | 70 74 69 6f 6e 73 20 26 |.  if (O|ptions &|
|000010f0| 20 44 45 42 55 47 47 49 | 4e 47 29 0d 20 20 20 20 | DEBUGGI|NG).    |
|00001100| 70 72 69 6e 74 66 20 28 | 22 64 65 6e 74 73 20 25 |printf (|"dents %|
|00001110| 67 20 25 67 20 25 67 20 | 6e 6f 69 73 65 20 25 67 |g %g %g |noise %g|
|00001120| 5c 6e 22 2c 20 78 2c 20 | 79 2c 20 7a 2c 20 6e 6f |\n", x, |y, z, no|
|00001130| 69 73 65 29 3b 0d 0d 20 | 20 44 4e 6f 69 73 65 20 |ise);.. | DNoise |
|00001140| 28 26 73 74 75 63 63 6f | 5f 74 75 72 62 2c 20 78 |(&stucco|_turb, x|
|00001150| 2c 20 79 2c 20 7a 29 3b | 20 20 20 20 20 20 20 2f |, y, z);|       /|
|00001160| 2a 20 47 65 74 20 4e 6f | 72 6d 61 6c 20 44 69 73 |* Get No|rmal Dis|
|00001170| 70 6c 61 63 65 6d 65 6e | 74 20 56 61 6c 2e 20 2a |placemen|t Val. *|
|00001180| 2f 0d 0d 20 20 56 53 63 | 61 6c 65 20 28 73 74 75 |/..  VSc|ale (stu|
|00001190| 63 63 6f 5f 74 75 72 62 | 2c 20 73 74 75 63 63 6f |cco_turb|, stucco|
|000011a0| 5f 74 75 72 62 2c 20 6e | 6f 69 73 65 29 3b 0d 20 |_turb, n|oise);. |
|000011b0| 20 56 41 64 64 20 28 2a | 6e 6f 72 6d 61 6c 2c 20 | VAdd (*|normal, |
|000011c0| 2a 6e 6f 72 6d 61 6c 2c | 20 73 74 75 63 63 6f 5f |*normal,| stucco_|
|000011d0| 74 75 72 62 29 3b 20 2f | 2a 20 64 69 73 70 6c 61 |turb); /|* displa|
|000011e0| 63 65 20 22 6e 6f 72 6d | 61 6c 22 20 2a 2f 0d 20 |ce "norm|al" */. |
|000011f0| 20 56 4e 6f 72 6d 61 6c | 69 7a 65 20 28 2a 6e 6f | VNormal|ize (*no|
|00001200| 72 6d 61 6c 2c 20 2a 6e | 6f 72 6d 61 6c 29 3b 20 |rmal, *n|ormal); |
|00001210| 20 20 20 20 20 20 20 2f | 2a 20 6e 6f 72 6d 61 6c |       /|* normal|
|00001220| 69 7a 65 20 6e 6f 72 6d | 61 6c 21 20 2a 2f 0d 20 |ize norm|al! */. |
|00001230| 20 72 65 74 75 72 6e 3b | 0d 20 20 7d 0d 0d 0d 0d | return;|.  }....|
|00001240| 0d 2f 2a 0d 20 20 20 49 | 64 65 61 73 20 67 61 72 |./*.   I|deas gar|
|00001250| 6e 65 72 65 64 20 66 72 | 6f 6d 20 74 68 65 20 41 |nered fr|om the A|
|00001260| 70 72 69 6c 20 38 39 20 | 42 79 74 65 20 47 72 61 |pril 89 |Byte Gra|
|00001270| 70 68 69 63 73 20 53 75 | 70 70 6c 65 6d 65 6e 74 |phics Su|pplement|
|00001280| 20 6f 6e 20 52 65 6e 64 | 65 72 4d 61 6e 2c 0d 20 | on Rend|erMan,. |
|00001290| 20 20 72 65 66 69 6e 65 | 64 20 66 72 6f 6d 20 22 |  refine|d from "|
|000012a0| 54 68 65 20 52 65 6e 64 | 65 72 4d 61 6e 20 43 6f |The Rend|erMan Co|
|000012b0| 6d 70 61 6e 69 6f 6e 2c | 20 62 79 20 53 74 65 76 |mpanion,| by Stev|
|000012c0| 65 20 55 70 73 74 69 6c | 6c 20 6f 66 20 50 69 78 |e Upstil|l of Pix|
|000012d0| 61 72 2c 20 28 43 29 20 | 31 39 39 30 0d 20 20 20 |ar, (C) |1990.   |
|000012e0| 41 64 64 69 73 6f 6e 2d | 57 65 73 6c 65 79 2e 0d |Addison-|Wesley..|
|000012f0| 2a 2f 0d 0d 0d 2f 2a 0d | 20 20 20 77 72 69 6e 6b |*/.../*.|   wrink|
|00001300| 6c 65 73 20 2d 20 54 68 | 69 73 20 69 73 20 6d 79 |les - Th|is is my|
|00001310| 20 69 6d 70 6c 65 6d 65 | 6e 74 61 74 69 6f 6e 20 | impleme|ntation |
|00001320| 6f 66 20 74 68 65 20 64 | 65 6e 74 65 64 28 29 20 |of the d|ented() |
|00001330| 72 6f 75 74 69 6e 65 2c | 20 75 73 69 6e 67 0d 20 |routine,| using. |
|00001340| 20 20 61 20 73 75 72 66 | 61 63 65 20 69 74 65 72 |  a surf|ace iter|
|00001350| 61 74 69 76 65 20 66 72 | 61 63 74 61 6c 20 64 65 |ative fr|actal de|
|00001360| 72 69 76 65 64 20 66 72 | 6f 6d 20 44 54 75 72 62 |rived fr|om DTurb|
|00001370| 75 6c 65 6e 63 65 2e 20 | 20 54 68 69 73 20 69 73 |ulence. | This is|
|00001380| 20 61 20 33 2d 44 20 76 | 65 72 73 2e 0d 20 20 20 | a 3-D v|ers..   |
|00001390| 28 74 68 61 6e 6b 73 20 | 74 6f 20 44 4e 6f 69 73 |(thanks |to DNois|
|000013a0| 65 28 29 2e 2e 2e 29 20 | 6f 66 20 74 68 65 20 75 |e()...) |of the u|
|000013b0| 73 75 61 6c 20 76 65 72 | 73 69 6f 6e 20 75 73 69 |sual ver|sion usi|
|000013c0| 6e 67 20 74 68 65 20 73 | 69 6e 67 75 6c 61 72 20 |ng the s|ingular |
|000013d0| 4e 6f 69 73 65 28 29 2e | 2e 2e 0d 20 20 20 53 65 |Noise().|...   Se|
|000013e0| 65 6d 73 20 74 6f 20 6c | 6f 6f 6b 20 61 20 6c 6f |ems to l|ook a lo|
|000013f0| 74 20 6c 69 6b 65 20 77 | 72 69 6e 6b 6c 65 73 2c |t like w|rinkles,|
|00001400| 20 68 6f 77 65 76 65 72 | 2e 2e 2e 20 28 68 6d 6d | however|... (hmm|
|00001410| 6d 29 0d 2a 2f 0d 0d 76 | 6f 69 64 20 77 72 69 6e |m).*/..v|oid wrin|
|00001420| 6b 6c 65 73 20 28 78 2c | 20 79 2c 20 7a 2c 20 54 |kles (x,| y, z, T|
|00001430| 6e 6f 72 6d 61 6c 2c 20 | 6e 6f 72 6d 61 6c 29 0d |normal, |normal).|
|00001440| 44 42 4c 20 78 2c 20 79 | 2c 20 7a 3b 0d 54 4e 4f |DBL x, y|, z;.TNO|
|00001450| 52 4d 41 4c 20 2a 54 6e | 6f 72 6d 61 6c 3b 0d 56 |RMAL *Tn|ormal;.V|
|00001460| 45 43 54 4f 52 20 2a 6e | 6f 72 6d 61 6c 3b 0d 20 |ECTOR *n|ormal;. |
|00001470| 20 7b 0d 20 20 72 65 67 | 69 73 74 65 72 20 69 6e | {.  reg|ister in|
|00001480| 74 20 69 3b 0d 20 20 72 | 65 67 69 73 74 65 72 20 |t i;.  r|egister |
|00001490| 44 42 4c 20 73 63 61 6c | 65 20 3d 20 31 2e 30 3b |DBL scal|e = 1.0;|
|000014a0| 0d 20 20 56 45 43 54 4f | 52 20 72 65 73 75 6c 74 |.  VECTO|R result|
|000014b0| 2c 20 76 61 6c 75 65 3b | 0d 0d 20 20 69 66 20 28 |, value;|..  if (|
|000014c0| 54 6e 6f 72 6d 61 6c 20 | 2d 3e 20 41 6d 6f 75 6e |Tnormal |-> Amoun|
|000014d0| 74 20 3d 3d 20 30 2e 30 | 29 0d 20 20 20 20 72 65 |t == 0.0|).    re|
|000014e0| 74 75 72 6e 3b 20 20 20 | 20 20 20 20 20 20 20 20 |turn;   |        |
|000014f0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00001500| 20 20 20 20 20 2f 2a 20 | 77 68 79 20 61 72 65 20 |     /* |why are |
|00001510| 77 65 20 68 65 72 65 3f | 3f 20 2a 2f 0d 0d 20 20 |we here?|? */..  |
|00001520| 69 66 20 28 4f 70 74 69 | 6f 6e 73 20 26 20 44 45 |if (Opti|ons & DE|
|00001530| 42 55 47 47 49 4e 47 29 | 0d 20 20 20 20 70 72 69 |BUGGING)|.    pri|
|00001540| 6e 74 66 20 28 22 77 72 | 69 6e 6b 6c 65 73 20 25 |ntf ("wr|inkles %|
|00001550| 67 20 25 67 20 25 67 5c | 6e 22 2c 20 78 2c 20 79 |g %g %g\|n", x, y|
|00001560| 2c 20 7a 29 3b 0d 0d 20 | 20 72 65 73 75 6c 74 2e |, z);.. | result.|
|00001570| 78 20 3d 20 30 2e 30 3b | 0d 20 20 72 65 73 75 6c |x = 0.0;|.  resul|
|00001580| 74 2e 79 20 3d 20 30 2e | 30 3b 0d 20 20 72 65 73 |t.y = 0.|0;.  res|
|00001590| 75 6c 74 2e 7a 20 3d 20 | 30 2e 30 3b 0d 0d 20 20 |ult.z = |0.0;..  |
|000015a0| 66 6f 72 20 28 69 20 3d | 20 30 3b 20 69 20 3c 20 |for (i =| 0; i < |
|000015b0| 31 30 20 3b 20 73 63 61 | 6c 65 20 2a 3d 20 32 2e |10 ; sca|le *= 2.|
|000015c0| 30 2c 20 69 2b 2b 29 0d | 20 20 20 20 7b 0d 20 20 |0, i++).|    {.  |
|000015d0| 20 20 44 4e 6f 69 73 65 | 28 26 76 61 6c 75 65 2c |  DNoise|(&value,|
|000015e0| 20 78 20 2a 20 73 63 61 | 6c 65 2c 20 79 20 2a 20 | x * sca|le, y * |
|000015f0| 73 63 61 6c 65 2c 20 7a | 20 2a 20 73 63 61 6c 65 |scale, z| * scale|
|00001600| 29 3b 20 20 20 2f 2a 20 | 2a 20 73 63 61 6c 65 2c |);   /* |* scale,|
|00001610| 2a 2f 0d 20 20 20 20 72 | 65 73 75 6c 74 2e 78 20 |*/.    r|esult.x |
|00001620| 2b 3d 20 46 41 42 53 20 | 28 76 61 6c 75 65 2e 78 |+= FABS |(value.x|
|00001630| 20 2f 20 73 63 61 6c 65 | 29 3b 0d 20 20 20 20 72 | / scale|);.    r|
|00001640| 65 73 75 6c 74 2e 79 20 | 2b 3d 20 46 41 42 53 20 |esult.y |+= FABS |
|00001650| 28 76 61 6c 75 65 2e 79 | 20 2f 20 73 63 61 6c 65 |(value.y| / scale|
|00001660| 29 3b 0d 20 20 20 20 72 | 65 73 75 6c 74 2e 7a 20 |);.    r|esult.z |
|00001670| 2b 3d 20 46 41 42 53 20 | 28 76 61 6c 75 65 2e 7a |+= FABS |(value.z|
|00001680| 20 2f 20 73 63 61 6c 65 | 29 3b 0d 20 20 20 20 7d | / scale|);.    }|
|00001690| 0d 0d 20 20 56 53 63 61 | 6c 65 28 72 65 73 75 6c |..  VSca|le(resul|
|000016a0| 74 2c 20 72 65 73 75 6c | 74 2c 20 54 6e 6f 72 6d |t, resul|t, Tnorm|
|000016b0| 61 6c 2d 3e 41 6d 6f 75 | 6e 74 29 3b 0d 20 20 56 |al->Amou|nt);.  V|
|000016c0| 41 64 64 20 28 2a 6e 6f | 72 6d 61 6c 2c 20 2a 6e |Add (*no|rmal, *n|
|000016d0| 6f 72 6d 61 6c 2c 20 72 | 65 73 75 6c 74 29 3b 20 |ormal, r|esult); |
|000016e0| 20 20 20 20 20 20 20 20 | 20 20 20 20 2f 2a 20 64 |        |    /* d|
|000016f0| 69 73 70 6c 61 63 65 20 | 22 6e 6f 72 6d 61 6c 22 |isplace |"normal"|
|00001700| 20 2a 2f 0d 20 20 56 4e | 6f 72 6d 61 6c 69 7a 65 | */.  VN|ormalize|
|00001710| 20 28 2a 6e 6f 72 6d 61 | 6c 2c 20 2a 6e 6f 72 6d | (*norma|l, *norm|
|00001720| 61 6c 29 3b 20 20 20 20 | 20 20 20 20 20 20 20 20 |al);    |        |
|00001730| 20 20 20 2f 2a 20 6e 6f | 72 6d 61 6c 69 7a 65 20 |   /* no|rmalize |
|00001740| 6e 6f 72 6d 61 6c 21 20 | 2a 2f 0d 20 20 72 65 74 |normal! |*/.  ret|
|00001750| 75 72 6e 3b 0d 20 20 7d | 0d 0d 54 4e 4f 52 4d 41 |urn;.  }|..TNORMA|
|00001760| 4c 20 2a 43 72 65 61 74 | 65 5f 54 6e 6f 72 6d 61 |L *Creat|e_Tnorma|
|00001770| 6c 20 28 29 0d 20 20 7b | 0d 20 20 54 4e 4f 52 4d |l ().  {|.  TNORM|
|00001780| 41 4c 20 2a 4e 65 77 3b | 0d 0d 20 20 69 66 20 28 |AL *New;|..  if (|
|00001790| 28 4e 65 77 20 3d 20 28 | 54 4e 4f 52 4d 41 4c 20 |(New = (|TNORMAL |
|000017a0| 2a 29 20 6d 61 6c 6c 6f | 63 20 28 73 69 7a 65 6f |*) mallo|c (sizeo|
|000017b0| 66 20 28 54 4e 4f 52 4d | 41 4c 29 29 29 20 3d 3d |f (TNORM|AL))) ==|
|000017c0| 20 4e 55 4c 4c 29 0d 20 | 20 20 20 4d 41 45 72 72 | NULL). |   MAErr|
|000017d0| 6f 72 20 28 22 6e 6f 72 | 6d 61 6c 22 29 3b 0d 0d |or ("nor|mal");..|
|000017e0| 20 20 49 4e 49 54 5f 54 | 50 41 54 54 45 52 4e 5f |  INIT_T|PATTERN_|
|000017f0| 46 49 45 4c 44 53 28 4e | 65 77 2c 4e 4f 5f 4e 4f |FIELDS(N|ew,NO_NO|
|00001800| 52 4d 41 4c 29 3b 0d 20 | 20 4e 65 77 2d 3e 41 6d |RMAL);. | New->Am|
|00001810| 6f 75 6e 74 20 3d 20 30 | 2e 30 3b 0d 20 20 72 65 |ount = 0|.0;.  re|
|00001820| 74 75 72 6e 20 28 4e 65 | 77 29 3b 0d 20 20 7d 0d |turn (Ne|w);.  }.|
|00001830| 0d 54 4e 4f 52 4d 41 4c | 20 2a 43 6f 70 79 5f 54 |.TNORMAL| *Copy_T|
|00001840| 6e 6f 72 6d 61 6c 20 28 | 4f 6c 64 29 0d 54 4e 4f |normal (|Old).TNO|
|00001850| 52 4d 41 4c 20 2a 4f 6c | 64 3b 0d 20 20 7b 0d 20 |RMAL *Ol|d;.  {. |
|00001860| 20 54 4e 4f 52 4d 41 4c | 20 2a 4e 65 77 3b 0d 0d | TNORMAL| *New;..|
|00001870| 20 20 69 66 20 28 4f 6c | 64 20 21 3d 20 4e 55 4c |  if (Ol|d != NUL|
|00001880| 4c 29 0d 20 20 20 20 7b | 0d 20 20 20 20 4e 65 77 |L).    {|.    New|
|00001890| 20 3d 20 43 72 65 61 74 | 65 5f 54 6e 6f 72 6d 61 | = Creat|e_Tnorma|
|000018a0| 6c 20 28 29 3b 0d 20 20 | 20 20 2a 4e 65 77 20 3d |l ();.  |  *New =|
|000018b0| 20 2a 4f 6c 64 3b 0d 0d | 20 20 20 20 4e 65 77 2d | *Old;..|    New-|
|000018c0| 3e 49 6d 61 67 65 20 3d | 20 43 6f 70 79 5f 49 6d |>Image =| Copy_Im|
|000018d0| 61 67 65 20 28 4f 6c 64 | 2d 3e 49 6d 61 67 65 29 |age (Old|->Image)|
|000018e0| 3b 0d 20 20 20 20 4e 65 | 77 2d 3e 54 72 61 6e 73 |;.    Ne|w->Trans|
|000018f0| 20 3d 20 43 6f 70 79 5f | 54 72 61 6e 73 66 6f 72 | = Copy_|Transfor|
|00001900| 6d 20 28 4f 6c 64 2d 3e | 54 72 61 6e 73 29 3b 0d |m (Old->|Trans);.|
|00001910| 20 20 20 20 7d 0d 20 20 | 65 6c 73 65 0d 20 20 20 |    }.  |else.   |
|00001920| 20 4e 65 77 20 3d 20 4e | 55 4c 4c 3b 0d 0d 20 20 | New = N|ULL;..  |
|00001930| 72 65 74 75 72 6e 20 28 | 4e 65 77 29 3b 0d 20 20 |return (|New);.  |
|00001940| 7d 0d 0d 76 6f 69 64 20 | 54 72 61 6e 73 6c 61 74 |}..void |Translat|
|00001950| 65 5f 54 6e 6f 72 6d 61 | 6c 28 54 6e 6f 72 6d 61 |e_Tnorma|l(Tnorma|
|00001960| 6c 2c 56 65 63 74 6f 72 | 29 0d 54 4e 4f 52 4d 41 |l,Vector|).TNORMA|
|00001970| 4c 20 2a 54 6e 6f 72 6d | 61 6c 3b 0d 56 45 43 54 |L *Tnorm|al;.VECT|
|00001980| 4f 52 20 2a 56 65 63 74 | 6f 72 3b 0d 20 20 7b 0d |OR *Vect|or;.  {.|
|00001990| 20 20 54 52 41 4e 53 46 | 4f 52 4d 20 54 72 61 6e |  TRANSF|ORM Tran|
|000019a0| 73 3b 0d 0d 20 20 69 66 | 20 28 54 6e 6f 72 6d 61 |s;..  if| (Tnorma|
|000019b0| 6c 20 3d 3d 20 4e 55 4c | 4c 29 0d 20 20 20 20 72 |l == NUL|L).    r|
|000019c0| 65 74 75 72 6e 3b 0d 0d | 20 20 43 6f 6d 70 75 74 |eturn;..|  Comput|
|000019d0| 65 5f 54 72 61 6e 73 6c | 61 74 69 6f 6e 5f 54 72 |e_Transl|ation_Tr|
|000019e0| 61 6e 73 66 6f 72 6d 20 | 28 26 54 72 61 6e 73 2c |ansform |(&Trans,|
|000019f0| 20 56 65 63 74 6f 72 29 | 3b 0d 20 20 54 72 61 6e | Vector)|;.  Tran|
|00001a00| 73 66 6f 72 6d 5f 54 6e | 6f 72 6d 61 6c 20 28 54 |sform_Tn|ormal (T|
|00001a10| 6e 6f 72 6d 61 6c 2c 20 | 26 54 72 61 6e 73 29 3b |normal, |&Trans);|
|00001a20| 0d 20 20 7d 0d 0d 76 6f | 69 64 20 52 6f 74 61 74 |.  }..vo|id Rotat|
|00001a30| 65 5f 54 6e 6f 72 6d 61 | 6c 28 54 6e 6f 72 6d 61 |e_Tnorma|l(Tnorma|
|00001a40| 6c 2c 56 65 63 74 6f 72 | 29 0d 54 4e 4f 52 4d 41 |l,Vector|).TNORMA|
|00001a50| 4c 20 2a 54 6e 6f 72 6d | 61 6c 3b 0d 56 45 43 54 |L *Tnorm|al;.VECT|
|00001a60| 4f 52 20 2a 56 65 63 74 | 6f 72 3b 0d 20 20 7b 0d |OR *Vect|or;.  {.|
|00001a70| 20 20 54 52 41 4e 53 46 | 4f 52 4d 20 54 72 61 6e |  TRANSF|ORM Tran|
|00001a80| 73 3b 0d 0d 20 20 69 66 | 20 28 54 6e 6f 72 6d 61 |s;..  if| (Tnorma|
|00001a90| 6c 20 3d 3d 20 4e 55 4c | 4c 29 0d 20 20 20 20 72 |l == NUL|L).    r|
|00001aa0| 65 74 75 72 6e 3b 0d 0d | 20 20 43 6f 6d 70 75 74 |eturn;..|  Comput|
|00001ab0| 65 5f 52 6f 74 61 74 69 | 6f 6e 5f 54 72 61 6e 73 |e_Rotati|on_Trans|
|00001ac0| 66 6f 72 6d 20 28 26 54 | 72 61 6e 73 2c 20 56 65 |form (&T|rans, Ve|
|00001ad0| 63 74 6f 72 29 3b 0d 20 | 20 54 72 61 6e 73 66 6f |ctor);. | Transfo|
|00001ae0| 72 6d 5f 54 6e 6f 72 6d | 61 6c 20 28 54 6e 6f 72 |rm_Tnorm|al (Tnor|
|00001af0| 6d 61 6c 2c 20 26 54 72 | 61 6e 73 29 3b 0d 20 20 |mal, &Tr|ans);.  |
|00001b00| 7d 0d 0d 76 6f 69 64 20 | 53 63 61 6c 65 5f 54 6e |}..void |Scale_Tn|
|00001b10| 6f 72 6d 61 6c 28 54 6e | 6f 72 6d 61 6c 2c 56 65 |ormal(Tn|ormal,Ve|
|00001b20| 63 74 6f 72 29 0d 54 4e | 4f 52 4d 41 4c 20 2a 54 |ctor).TN|ORMAL *T|
|00001b30| 6e 6f 72 6d 61 6c 3b 0d | 56 45 43 54 4f 52 20 2a |normal;.|VECTOR *|
|00001b40| 56 65 63 74 6f 72 3b 0d | 20 20 7b 0d 20 20 54 52 |Vector;.|  {.  TR|
|00001b50| 41 4e 53 46 4f 52 4d 20 | 54 72 61 6e 73 3b 0d 0d |ANSFORM |Trans;..|
|00001b60| 20 20 69 66 20 28 54 6e | 6f 72 6d 61 6c 20 3d 3d |  if (Tn|ormal ==|
|00001b70| 20 4e 55 4c 4c 29 0d 20 | 20 20 20 72 65 74 75 72 | NULL). |   retur|
|00001b80| 6e 3b 0d 0d 20 20 43 6f | 6d 70 75 74 65 5f 53 63 |n;..  Co|mpute_Sc|
|00001b90| 61 6c 69 6e 67 5f 54 72 | 61 6e 73 66 6f 72 6d 20 |aling_Tr|ansform |
|00001ba0| 28 26 54 72 61 6e 73 2c | 20 56 65 63 74 6f 72 29 |(&Trans,| Vector)|
|00001bb0| 3b 0d 20 20 54 72 61 6e | 73 66 6f 72 6d 5f 54 6e |;.  Tran|sform_Tn|
|00001bc0| 6f 72 6d 61 6c 20 28 54 | 6e 6f 72 6d 61 6c 2c 20 |ormal (T|normal, |
|00001bd0| 26 54 72 61 6e 73 29 3b | 0d 20 20 7d 0d 0d 76 6f |&Trans);|.  }..vo|
|00001be0| 69 64 20 54 72 61 6e 73 | 66 6f 72 6d 5f 54 6e 6f |id Trans|form_Tno|
|00001bf0| 72 6d 61 6c 28 54 6e 6f | 72 6d 61 6c 2c 54 72 61 |rmal(Tno|rmal,Tra|
|00001c00| 6e 73 29 0d 54 4e 4f 52 | 4d 41 4c 20 2a 54 6e 6f |ns).TNOR|MAL *Tno|
|00001c10| 72 6d 61 6c 3b 0d 54 52 | 41 4e 53 46 4f 52 4d 20 |rmal;.TR|ANSFORM |
|00001c20| 2a 54 72 61 6e 73 3b 0d | 20 20 7b 0d 20 20 69 66 |*Trans;.|  {.  if|
|00001c30| 20 28 54 6e 6f 72 6d 61 | 6c 20 3d 3d 20 4e 55 4c | (Tnorma|l == NUL|
|00001c40| 4c 29 0d 20 20 20 20 72 | 65 74 75 72 6e 3b 0d 0d |L).    r|eturn;..|
|00001c50| 20 20 69 66 20 28 21 54 | 6e 6f 72 6d 61 6c 2d 3e |  if (!T|normal->|
|00001c60| 54 72 61 6e 73 29 0d 20 | 20 20 20 54 6e 6f 72 6d |Trans). |   Tnorm|
|00001c70| 61 6c 2d 3e 54 72 61 6e | 73 20 3d 20 43 72 65 61 |al->Tran|s = Crea|
|00001c80| 74 65 5f 54 72 61 6e 73 | 66 6f 72 6d 20 28 29 3b |te_Trans|form ();|
|00001c90| 0d 0d 20 20 43 6f 6d 70 | 6f 73 65 5f 54 72 61 6e |..  Comp|ose_Tran|
|00001ca0| 73 66 6f 72 6d 73 20 28 | 54 6e 6f 72 6d 61 6c 2d |sforms (|Tnormal-|
|00001cb0| 3e 54 72 61 6e 73 2c 20 | 54 72 61 6e 73 29 3b 0d |>Trans, |Trans);.|
|00001cc0| 20 20 7d 0d 0d 76 6f 69 | 64 20 44 65 73 74 72 6f |  }..voi|d Destro|
|00001cd0| 79 5f 54 6e 6f 72 6d 61 | 6c 28 54 6e 6f 72 6d 61 |y_Tnorma|l(Tnorma|
|00001ce0| 6c 29 0d 54 4e 4f 52 4d | 41 4c 20 2a 54 6e 6f 72 |l).TNORM|AL *Tnor|
|00001cf0| 6d 61 6c 3b 0d 20 20 7b | 0d 20 20 69 66 20 28 54 |mal;.  {|.  if (T|
|00001d00| 6e 6f 72 6d 61 6c 20 3d | 3d 20 4e 55 4c 4c 29 0d |normal =|= NULL).|
|00001d10| 20 20 20 20 72 65 74 75 | 72 6e 3b 0d 0d 20 20 44 |    retu|rn;..  D|
|00001d20| 65 73 74 72 6f 79 5f 49 | 6d 61 67 65 20 28 54 6e |estroy_I|mage (Tn|
|00001d30| 6f 72 6d 61 6c 2d 3e 49 | 6d 61 67 65 29 3b 0d 20 |ormal->I|mage);. |
|00001d40| 20 44 65 73 74 72 6f 79 | 5f 54 72 61 6e 73 66 6f | Destroy|_Transfo|
|00001d50| 72 6d 20 28 54 6e 6f 72 | 6d 61 6c 2d 3e 54 72 61 |rm (Tnor|mal->Tra|
|00001d60| 6e 73 29 3b 0d 20 20 66 | 72 65 65 20 28 54 6e 6f |ns);.  f|ree (Tno|
|00001d70| 72 6d 61 6c 29 3b 0d 20 | 20 7d 0d 0d 76 6f 69 64 |rmal);. | }..void|
|00001d80| 20 50 6f 73 74 5f 54 6e | 6f 72 6d 61 6c 20 28 54 | Post_Tn|ormal (T|
|00001d90| 6e 6f 72 6d 61 6c 29 0d | 54 4e 4f 52 4d 41 4c 20 |normal).|TNORMAL |
|00001da0| 2a 54 6e 6f 72 6d 61 6c | 3b 0d 20 20 7b 0d 20 20 |*Tnormal|;.  {.  |
|00001db0| 69 66 20 28 54 6e 6f 72 | 6d 61 6c 20 3d 3d 20 4e |if (Tnor|mal == N|
|00001dc0| 55 4c 4c 29 0d 20 20 20 | 20 72 65 74 75 72 6e 3b |ULL).   | return;|
|00001dd0| 0d 0d 20 20 69 66 20 28 | 54 6e 6f 72 6d 61 6c 2d |..  if (|Tnormal-|
|00001de0| 3e 54 79 70 65 20 3d 3d | 20 4e 4f 5f 4e 4f 52 4d |>Type ==| NO_NORM|
|00001df0| 41 4c 29 0d 20 20 20 20 | 45 72 72 6f 72 28 22 4e |AL).    |Error("N|
|00001e00| 6f 20 6e 6f 72 6d 61 6c | 20 74 79 70 65 20 67 69 |o normal| type gi|
|00001e10| 76 65 6e 22 29 3b 0d 0d | 20 20 54 6e 6f 72 6d 61 |ven");..|  Tnorma|
|00001e20| 6c 2d 3e 46 6c 61 67 73 | 20 7c 3d 20 50 4f 53 54 |l->Flags| |= POST|
|00001e30| 5f 44 4f 4e 45 3b 0d 0d | 20 20 72 65 74 75 72 6e |_DONE;..|  return|
|00001e40| 3b 20 20 20 0d 20 20 7d | 0d 00 00 00 00 00 00 00 |;   .  }|........|
|00001e50| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001e60| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001e70| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001e80| 00 00 01 00 00 00 01 6e | 00 00 00 6e 00 00 00 3e |.......n|...n...>|
|00001e90| 69 70 62 6f 61 72 64 0d | 76 6f 69 64 20 70 61 69 |ipboard.|void pai|
|00001ea0| 6e 74 5f 74 6f 5f 70 69 | 63 74 75 72 65 28 73 68 |nt_to_pi|cture(sh|
|00001eb0| 08 4e 4f 52 4d 41 4c 2e | 43 00 02 00 00 00 54 45 |.NORMAL.|C.....TE|
|00001ec0| 58 54 4d 50 53 20 01 08 | ff ff ff ff 00 00 00 00 |XTMPS ..|........|
|00001ed0| 00 00 54 45 58 54 4d 50 | 53 20 01 08 ff ff ff ff |..TEXTMP|S ......|
|00001ee0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001ef0| 00 00 a8 7c 7b 94 00 00 | 1d c9 00 00 01 ac 74 09 |...|{...|......t.|
|00001f00| 09 6d 79 5f 62 6f 75 6e | 64 73 2c 20 6d 79 50 69 |.my_boun|ds, myPi|
|00001f10| 63 52 65 63 74 3b 09 0d | 09 43 47 72 61 66 50 6f |cRect;..|.CGrafPo|
|00001f20| 72 74 09 6d 79 43 47 72 | 61 66 50 74 72 3b 0d 09 |rt.myCGr|afPtr;..|
|00001f30| 47 72 61 66 50 74 72 09 | 09 6f 6c 64 47 72 61 66 |GrafPtr.|.oldGraf|
|00001f40| 50 74 72 3b 0d 09 50 69 | 63 74 46 48 65 61 64 65 |Ptr;..Pi|ctFHeade|
|00001f50| 72 09 6d 79 50 69 63 74 | 46 48 65 61 64 65 72 3b |r.myPict|FHeader;|
|00001f60| 0d 09 43 51 44 50 72 6f | 63 73 09 6d 79 51 44 50 |..CQDPro|cs.myQDP|
|00001f70| 72 6f 63 73 3b 0d 0d 09 | 61 6e 45 72 72 6f 72 20 |rocs;...|anError |
|00001f80| 00 00 00 48 00 09 4d 6f | 6e 61 63 6f 00 2a 2a 2a |...H..Mo|naco.***|
|00001f90| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00001fa0| 2a 0d 2a 20 20 20 00 06 | 00 04 00 3c 00 24 01 dd |*.*   ..|...<.$..|
|00001fb0| 02 3d 00 3c 00 24 01 dd | 02 3d a8 7c 7b 94 00 00 |.=.<.$..|.=.|{...|
|00001fc0| 00 00 00 00 00 00 00 00 | 00 00 01 00 00 00 00 1e |........|........|
|00001fd0| 00 3c 00 24 01 dd 02 3d | 00 3c 00 24 01 dd 02 3d |.<.$...=|.<.$...=|
|00001fe0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001ff0| 01 00 00 00 01 6e 00 00 | 00 6e 00 00 00 3e 00 8d |.....n..|.n...>..|
|00002000| 3b f8 18 3e 00 00 00 1c | 00 3e 00 00 4d 50 53 52 |;..>....|.>..MPSR|
|00002010| 00 01 00 0a 03 ed ff ff | 00 00 00 00 00 00 00 00 |........|........|
|00002020| 03 f0 ff ff 00 00 00 4c | 00 8f 92 8c 00 00 00 00 |.......L|........|
|00002030| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002040| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002050| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002060| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002070| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
+--------+-------------------------+-------------------------+--------+--------+