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+--------+-------------------------+-------------------------+--------+--------+
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|00000250| 74 68 20 65 6e 68 61 6e | 63 65 6d 65 6e 74 73 20 |th enhan|cements |
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|00000c60| 20 7b 30 2e 39 2c 30 2e | 30 38 2c 30 2e 30 38 2c | {0.9,0.|08,0.08,|
|00000c70| 30 2e 30 7d 7d 2c 0d 20 | 20 20 20 7b 30 2e 39 2c |0.0}},. |   {0.9,|
|00000c80| 20 20 20 7b 30 2e 30 2c | 30 2e 30 2c 30 2e 30 2c |   {0.0,|0.0,0.0,|
|00000c90| 30 2e 30 7d 7d 7d 3b 0d | 0d 43 4f 4c 4f 55 52 5f |0.0}}};.|.COLOUR_|
|00000ca0| 4d 41 50 20 4d 61 72 62 | 6c 65 5f 44 65 66 61 75 |MAP Marb|le_Defau|
|00000cb0| 6c 74 5f 4d 61 70 20 3d | 0d 20 20 7b 20 33 2c 20 |lt_Map =|.  { 3, |
|00000cc0| 46 41 4c 53 45 2c 20 2d | 31 2c 20 4d 61 72 62 6c |FALSE, -|1, Marbl|
|00000cd0| 65 5f 45 6e 74 72 69 65 | 73 7d 3b 0d 0d 76 6f 69 |e_Entrie|s};..voi|
|00000ce0| 64 20 61 67 61 74 65 20 | 28 78 2c 20 79 2c 20 7a |d agate |(x, y, z|
|00000cf0| 2c 20 50 69 67 6d 65 6e | 74 2c 20 63 6f 6c 6f 75 |, Pigmen|t, colou|
|00000d00| 72 29 0d 44 42 4c 20 78 | 2c 20 79 2c 20 7a 3b 0d |r).DBL x|, y, z;.|
|00000d10| 50 49 47 4d 45 4e 54 20 | 2a 50 69 67 6d 65 6e 74 |PIGMENT |*Pigment|
|00000d20| 3b 0d 43 4f 4c 4f 55 52 | 20 2a 63 6f 6c 6f 75 72 |;.COLOUR| *colour|
|00000d30| 3b 0d 20 20 7b 0d 20 20 | 72 65 67 69 73 74 65 72 |;.  {.  |register|
|00000d40| 20 44 42 4c 20 6e 6f 69 | 73 65 2c 20 74 75 72 62 | DBL noi|se, turb|
|00000d50| 3b 0d 20 20 43 4f 4c 4f | 55 52 20 4e 65 77 5f 43 |;.  COLO|UR New_C|
|00000d60| 6f 6c 6f 75 72 3b 0d 0d | 20 20 74 75 72 62 20 3d |olour;..|  turb =|
|00000d70| 20 54 75 72 62 75 6c 65 | 6e 63 65 28 78 2c 20 79 | Turbule|nce(x, y|
|00000d80| 2c 20 7a 2c 50 69 67 6d | 65 6e 74 2d 3e 6f 6d 65 |, z,Pigm|ent->ome|
|00000d90| 67 61 2c 0d 20 20 20 20 | 20 20 20 20 20 20 20 20 |ga,.    |        |
|00000da0| 20 20 20 20 20 20 20 20 | 50 69 67 6d 65 6e 74 2d |        |Pigment-|
|00000db0| 3e 6c 61 6d 62 64 61 2c | 50 69 67 6d 65 6e 74 2d |>lambda,|Pigment-|
|00000dc0| 3e 4f 63 74 61 76 65 73 | 29 20 0d 20 20 20 20 20 |>Octaves|) .     |
|00000dd0| 20 20 20 20 20 20 2a 20 | 50 69 67 6d 65 6e 74 2d |      * |Pigment-|
|00000de0| 3e 41 67 61 74 65 5f 54 | 75 72 62 5f 53 63 61 6c |>Agate_T|urb_Scal|
|00000df0| 65 3b 0d 20 20 6e 6f 69 | 73 65 20 3d 20 30 2e 35 |e;.  noi|se = 0.5|
|00000e00| 20 2a 20 28 63 79 63 6c | 6f 69 64 61 6c 28 31 2e | * (cycl|oidal(1.|
|00000e10| 33 20 2a 20 74 75 72 62 | 20 2b 20 31 2e 31 20 2a |3 * turb| + 1.1 *|
|00000e20| 20 7a 29 20 2b 20 31 2e | 30 29 3b 0d 20 20 69 66 | z) + 1.|0);.  if|
|00000e30| 20 28 6e 6f 69 73 65 20 | 3c 3d 20 30 2e 30 29 0d | (noise |<= 0.0).|
|00000e40| 20 20 20 20 20 6e 6f 69 | 73 65 20 3d 20 30 2e 30 |     noi|se = 0.0|
|00000e50| 3b 0d 20 20 65 6c 73 65 | 20 0d 20 20 20 20 7b 0d |;.  else| .    {.|
|00000e60| 20 20 20 20 20 6e 6f 69 | 73 65 20 3d 20 28 6e 6f |     noi|se = (no|
|00000e70| 69 73 65 20 3e 20 31 2e | 30 20 3f 20 31 2e 30 20 |ise > 1.|0 ? 1.0 |
|00000e80| 3a 20 6e 6f 69 73 65 29 | 3b 0d 20 20 20 20 20 6e |: noise)|;.     n|
|00000e90| 6f 69 73 65 20 3d 20 70 | 6f 77 28 6e 6f 69 73 65 |oise = p|ow(noise|
|00000ea0| 2c 20 30 2e 37 37 29 3b | 0d 20 20 20 20 7d 0d 0d |, 0.77);|.    }..|
|00000eb0| 20 20 43 6f 6d 70 75 74 | 65 5f 43 6f 6c 6f 75 72 |  Comput|e_Colour|
|00000ec0| 20 28 26 4e 65 77 5f 43 | 6f 6c 6f 75 72 2c 20 50 | (&New_C|olour, P|
|00000ed0| 69 67 6d 65 6e 74 2c 20 | 6e 6f 69 73 65 29 3b 0d |igment, |noise);.|
|00000ee0| 20 20 63 6f 6c 6f 75 72 | 20 2d 3e 20 52 65 64 20 |  colour| -> Red |
|00000ef0| 2b 3d 20 4e 65 77 5f 43 | 6f 6c 6f 75 72 2e 52 65 |+= New_C|olour.Re|
|00000f00| 64 3b 0d 20 20 63 6f 6c | 6f 75 72 20 2d 3e 20 47 |d;.  col|our -> G|
|00000f10| 72 65 65 6e 20 2b 3d 20 | 4e 65 77 5f 43 6f 6c 6f |reen += |New_Colo|
|00000f20| 75 72 2e 47 72 65 65 6e | 3b 0d 20 20 63 6f 6c 6f |ur.Green|;.  colo|
|00000f30| 75 72 20 2d 3e 20 42 6c | 75 65 20 2b 3d 20 4e 65 |ur -> Bl|ue += Ne|
|00000f40| 77 5f 43 6f 6c 6f 75 72 | 2e 42 6c 75 65 3b 0d 20 |w_Colour|.Blue;. |
|00000f50| 20 63 6f 6c 6f 75 72 20 | 2d 3e 20 46 69 6c 74 65 | colour |-> Filte|
|00000f60| 72 20 2b 3d 20 4e 65 77 | 5f 43 6f 6c 6f 75 72 2e |r += New|_Colour.|
|00000f70| 46 69 6c 74 65 72 3b 0d | 20 20 7d 0d 0d 76 6f 69 |Filter;.|  }..voi|
|00000f80| 64 20 62 6f 7a 6f 20 28 | 78 2c 20 79 2c 20 7a 2c |d bozo (|x, y, z,|
|00000f90| 20 50 69 67 6d 65 6e 74 | 2c 20 63 6f 6c 6f 75 72 | Pigment|, colour|
|00000fa0| 29 0d 44 42 4c 20 78 2c | 20 79 2c 20 7a 3b 0d 50 |).DBL x,| y, z;.P|
|00000fb0| 49 47 4d 45 4e 54 20 2a | 50 69 67 6d 65 6e 74 3b |IGMENT *|Pigment;|
|00000fc0| 0d 43 4f 4c 4f 55 52 20 | 2a 63 6f 6c 6f 75 72 3b |.COLOUR |*colour;|
|00000fd0| 0d 20 20 7b 0d 20 20 72 | 65 67 69 73 74 65 72 20 |.  {.  r|egister |
|00000fe0| 44 42 4c 20 6e 6f 69 73 | 65 3b 0d 20 20 43 4f 4c |DBL nois|e;.  COL|
|00000ff0| 4f 55 52 20 4e 65 77 5f | 43 6f 6c 6f 75 72 3b 0d |OUR New_|Colour;.|
|00001000| 0d 20 20 6e 6f 69 73 65 | 20 3d 20 4e 6f 69 73 65 |.  noise| = Noise|
|00001010| 20 28 78 2c 20 79 2c 20 | 7a 29 3b 0d 0d 20 20 43 | (x, y, |z);..  C|
|00001020| 6f 6d 70 75 74 65 5f 43 | 6f 6c 6f 75 72 20 28 26 |ompute_C|olour (&|
|00001030| 4e 65 77 5f 43 6f 6c 6f | 75 72 2c 20 50 69 67 6d |New_Colo|ur, Pigm|
|00001040| 65 6e 74 2c 20 6e 6f 69 | 73 65 29 3b 0d 20 20 63 |ent, noi|se);.  c|
|00001050| 6f 6c 6f 75 72 20 2d 3e | 20 52 65 64 20 2b 3d 20 |olour ->| Red += |
|00001060| 4e 65 77 5f 43 6f 6c 6f | 75 72 2e 52 65 64 3b 0d |New_Colo|ur.Red;.|
|00001070| 20 20 63 6f 6c 6f 75 72 | 20 2d 3e 20 47 72 65 65 |  colour| -> Gree|
|00001080| 6e 20 2b 3d 20 4e 65 77 | 5f 43 6f 6c 6f 75 72 2e |n += New|_Colour.|
|00001090| 47 72 65 65 6e 3b 0d 20 | 20 63 6f 6c 6f 75 72 20 |Green;. | colour |
|000010a0| 2d 3e 20 42 6c 75 65 20 | 2b 3d 20 4e 65 77 5f 43 |-> Blue |+= New_C|
|000010b0| 6f 6c 6f 75 72 2e 42 6c | 75 65 3b 0d 20 20 63 6f |olour.Bl|ue;.  co|
|000010c0| 6c 6f 75 72 20 2d 3e 20 | 46 69 6c 74 65 72 20 2b |lour -> |Filter +|
|000010d0| 3d 20 4e 65 77 5f 43 6f | 6c 6f 75 72 2e 46 69 6c |= New_Co|lour.Fil|
|000010e0| 74 65 72 3b 0d 20 20 7d | 0d 0d 76 6f 69 64 20 62 |ter;.  }|..void b|
|000010f0| 72 69 63 6b 20 28 78 2c | 20 79 2c 20 7a 2c 20 50 |rick (x,| y, z, P|
|00001100| 69 67 6d 65 6e 74 2c 20 | 63 6f 6c 6f 75 72 29 0d |igment, |colour).|
|00001110| 44 42 4c 20 78 2c 20 79 | 2c 20 7a 3b 0d 50 49 47 |DBL x, y|, z;.PIG|
|00001120| 4d 45 4e 54 20 2a 50 69 | 67 6d 65 6e 74 3b 0d 43 |MENT *Pi|gment;.C|
|00001130| 4f 4c 4f 55 52 20 2a 63 | 6f 6c 6f 75 72 3b 0d 20 |OLOUR *c|olour;. |
|00001140| 20 7b 0d 0d 20 20 2f 2a | 20 44 69 73 61 62 6c 65 | {..  /*| Disable|
|00001150| 64 2e 20 20 4e 65 65 64 | 73 20 77 6f 72 6b 2e 0d |d.  Need|s work..|
|00001160| 0d 20 20 20 44 42 4c 20 | 78 72 2c 20 79 72 2c 20 |.   DBL |xr, yr, |
|00001170| 7a 72 3b 0d 0d 20 20 20 | 20 20 78 72 20 3d 20 66 |zr;..   |  xr = f|
|00001180| 61 62 73 28 66 6d 6f 64 | 28 78 2c 20 31 2e 30 29 |abs(fmod|(x, 1.0)|
|00001190| 29 3b 0d 20 20 20 20 20 | 79 72 20 3d 20 66 61 62 |);.     |yr = fab|
|000011a0| 73 28 66 6d 6f 64 28 79 | 2c 20 31 2e 30 29 29 3b |s(fmod(y|, 1.0));|
|000011b0| 0d 20 20 20 20 20 7a 72 | 20 3d 20 66 61 62 73 28 |.     zr| = fabs(|
|000011c0| 66 6d 6f 64 28 7a 2c 20 | 31 2e 30 29 29 3b 0d 0d |fmod(z, |1.0));..|
|000011d0| 20 20 20 2a 63 6f 6c 6f | 75 72 20 3d 20 2a 50 69 |   *colo|ur = *Pi|
|000011e0| 67 6d 65 6e 74 20 2d 3e | 20 43 6f 6c 6f 75 72 32 |gment ->| Colour2|
|000011f0| 3b 0d 0d 20 20 20 20 69 | 66 20 28 78 72 20 3e 20 |;..    i|f (xr > |
|00001200| 30 20 26 26 20 78 72 20 | 3c 20 50 69 67 6d 65 6e |0 && xr |< Pigmen|
|00001210| 74 2d 3e 20 4d 6f 72 74 | 61 72 29 20 7b 0d 20 20 |t-> Mort|ar) {.  |
|00001220| 20 20 20 20 20 2a 63 6f | 6c 6f 75 72 20 3d 20 2a |     *co|lour = *|
|00001230| 50 69 67 6d 65 6e 74 20 | 2d 3e 20 43 6f 6c 6f 75 |Pigment |-> Colou|
|00001240| 72 31 3b 0d 20 20 20 20 | 20 20 20 72 65 74 75 72 |r1;.    |   retur|
|00001250| 6e 3b 0d 20 20 20 20 20 | 20 20 7d 0d 20 20 20 20 |n;.     |  }.    |
|00001260| 69 66 20 28 79 72 20 3e | 20 30 20 26 26 20 79 72 |if (yr >| 0 && yr|
|00001270| 20 3c 20 50 69 67 6d 65 | 6e 74 2d 3e 20 4d 6f 72 | < Pigme|nt-> Mor|
|00001280| 74 61 72 29 20 7b 0d 20 | 20 20 20 20 20 20 2a 63 |tar) {. |      *c|
|00001290| 6f 6c 6f 75 72 20 3d 20 | 2a 50 69 67 6d 65 6e 74 |olour = |*Pigment|
|000012a0| 20 2d 3e 20 43 6f 6c 6f | 75 72 31 3b 0d 20 20 20 | -> Colo|ur1;.   |
|000012b0| 20 20 20 20 72 65 74 75 | 72 6e 3b 0d 20 20 20 20 |    retu|rn;.    |
|000012c0| 20 20 20 7d 0d 20 20 20 | 20 69 66 20 28 7a 72 20 |   }.   | if (zr |
|000012d0| 3e 20 30 20 26 26 20 7a | 72 20 3c 20 50 69 67 6d |> 0 && z|r < Pigm|
|000012e0| 65 6e 74 2d 3e 20 4d 6f | 72 74 61 72 29 0d 20 20 |ent-> Mo|rtar).  |
|000012f0| 20 20 20 20 20 2a 63 6f | 6c 6f 75 72 20 3d 20 2a |     *co|lour = *|
|00001300| 50 69 67 6d 65 6e 74 20 | 2d 3e 20 43 6f 6c 6f 75 |Pigment |-> Colou|
|00001310| 72 31 3b 0d 0d 2a 2f 0d | 20 20 72 65 74 75 72 6e |r1;..*/.|  return|
|00001320| 3b 0d 0d 20 20 7d 0d 0d | 76 6f 69 64 20 63 68 65 |;..  }..|void che|
|00001330| 63 6b 65 72 20 28 78 2c | 20 79 2c 20 7a 2c 20 50 |cker (x,| y, z, P|
|00001340| 69 67 6d 65 6e 74 2c 20 | 63 6f 6c 6f 75 72 29 0d |igment, |colour).|
|00001350| 44 42 4c 20 78 2c 20 79 | 2c 20 7a 3b 0d 50 49 47 |DBL x, y|, z;.PIG|
|00001360| 4d 45 4e 54 20 2a 50 69 | 67 6d 65 6e 74 3b 0d 43 |MENT *Pi|gment;.C|
|00001370| 4f 4c 4f 55 52 20 2a 63 | 6f 6c 6f 75 72 3b 0d 20 |OLOUR *c|olour;. |
|00001380| 20 7b 0d 20 20 44 42 4c | 20 76 61 6c 75 65 3b 0d | {.  DBL| value;.|
|00001390| 20 20 43 4f 4c 4f 55 52 | 5f 4d 41 50 5f 45 4e 54 |  COLOUR|_MAP_ENT|
|000013a0| 52 59 20 2a 43 75 72 3b | 0d 20 20 69 6e 74 20 4e |RY *Cur;|.  int N|
|000013b0| 75 6d 5f 45 6e 74 72 69 | 65 73 20 3d 20 50 69 67 |um_Entri|es = Pig|
|000013c0| 6d 65 6e 74 2d 3e 43 6f | 6c 6f 75 72 5f 4d 61 70 |ment->Co|lour_Map|
|000013d0| 2d 3e 4e 75 6d 62 65 72 | 5f 4f 66 5f 45 6e 74 72 |->Number|_Of_Entr|
|000013e0| 69 65 73 3b 0d 20 20 69 | 6e 74 20 46 75 64 67 65 |ies;.  i|nt Fudge|
|000013f0| 20 3d 20 28 69 6e 74 29 | 28 28 44 42 4c 29 4e 75 | = (int)|((DBL)Nu|
|00001400| 6d 5f 45 6e 74 72 69 65 | 73 2f 50 69 67 6d 65 6e |m_Entrie|s/Pigmen|
|00001410| 74 2d 3e 46 72 65 71 75 | 65 6e 63 79 29 3b 0d 0d |t->Frequ|ency);..|
|00001420| 20 20 78 20 2b 3d 20 53 | 6d 61 6c 6c 5f 54 6f 6c |  x += S|mall_Tol|
|00001430| 65 72 61 6e 63 65 3b 0d | 20 20 79 20 2b 3d 20 53 |erance;.|  y += S|
|00001440| 6d 61 6c 6c 5f 54 6f 6c | 65 72 61 6e 63 65 3b 0d |mall_Tol|erance;.|
|00001450| 20 20 7a 20 2b 3d 20 53 | 6d 61 6c 6c 5f 54 6f 6c |  z += S|mall_Tol|
|00001460| 65 72 61 6e 63 65 3b 0d | 0d 20 20 78 20 2d 3d 20 |erance;.|.  x -= |
|00001470| 46 4c 4f 4f 52 28 78 2f | 46 75 64 67 65 29 20 2a |FLOOR(x/|Fudge) *|
|00001480| 20 46 75 64 67 65 2d 53 | 6d 61 6c 6c 5f 54 6f 6c | Fudge-S|mall_Tol|
|00001490| 65 72 61 6e 63 65 3b 0d | 20 20 79 20 2d 3d 20 46 |erance;.|  y -= F|
|000014a0| 4c 4f 4f 52 28 79 2f 46 | 75 64 67 65 29 20 2a 20 |LOOR(y/F|udge) * |
|000014b0| 46 75 64 67 65 2d 53 6d | 61 6c 6c 5f 54 6f 6c 65 |Fudge-Sm|all_Tole|
|000014c0| 72 61 6e 63 65 3b 0d 20 | 20 7a 20 2d 3d 20 46 4c |rance;. | z -= FL|
|000014d0| 4f 4f 52 28 7a 2f 46 75 | 64 67 65 29 20 2a 20 46 |OOR(z/Fu|dge) * F|
|000014e0| 75 64 67 65 2d 53 6d 61 | 6c 6c 5f 54 6f 6c 65 72 |udge-Sma|ll_Toler|
|000014f0| 61 6e 63 65 3b 0d 0d 20 | 20 76 61 6c 75 65 20 3d |ance;.. | value =|
|00001500| 20 28 46 4c 4f 4f 52 28 | 78 29 2b 46 4c 4f 4f 52 | (FLOOR(|x)+FLOOR|
|00001510| 28 79 29 2b 46 4c 4f 4f | 52 28 7a 29 29 2a 20 50 |(y)+FLOO|R(z))* P|
|00001520| 69 67 6d 65 6e 74 2d 3e | 46 72 65 71 75 65 6e 63 |igment->|Frequenc|
|00001530| 79 3b 0d 0d 20 20 76 61 | 6c 75 65 20 3d 20 66 6d |y;..  va|lue = fm|
|00001540| 6f 64 28 46 4c 4f 4f 52 | 28 76 61 6c 75 65 20 2b |od(FLOOR|(value +|
|00001550| 20 28 69 6e 74 29 28 50 | 69 67 6d 65 6e 74 2d 3e | (int)(P|igment->|
|00001560| 50 68 61 73 65 29 29 2c | 0d 20 20 20 20 28 44 42 |Phase)),|.    (DB|
|00001570| 4c 29 20 4e 75 6d 5f 45 | 6e 74 72 69 65 73 29 3b |L) Num_E|ntries);|
|00001580| 0d 0d 20 20 43 75 72 20 | 3d 20 26 28 50 69 67 6d |..  Cur |= &(Pigm|
|00001590| 65 6e 74 2d 3e 43 6f 6c | 6f 75 72 5f 4d 61 70 2d |ent->Col|our_Map-|
|000015a0| 3e 43 6f 6c 6f 75 72 5f | 4d 61 70 5f 45 6e 74 72 |>Colour_|Map_Entr|
|000015b0| 69 65 73 5b 30 5d 29 3b | 0d 0d 20 20 77 68 69 6c |ies[0]);|..  whil|
|000015c0| 65 20 28 76 61 6c 75 65 | 20 3e 20 43 75 72 2d 3e |e (value| > Cur->|
|000015d0| 76 61 6c 75 65 29 0d 20 | 20 20 20 43 75 72 2b 2b |value). |   Cur++|
|000015e0| 3b 0d 0d 20 20 63 6f 6c | 6f 75 72 2d 3e 52 65 64 |;..  col|our->Red|
|000015f0| 20 20 20 2b 3d 20 43 75 | 72 2d 3e 43 6f 6c 6f 75 |   += Cu|r->Colou|
|00001600| 72 2e 52 65 64 3b 0d 20 | 20 63 6f 6c 6f 75 72 2d |r.Red;. | colour-|
|00001610| 3e 47 72 65 65 6e 20 2b | 3d 20 43 75 72 2d 3e 43 |>Green +|= Cur->C|
|00001620| 6f 6c 6f 75 72 2e 47 72 | 65 65 6e 3b 0d 20 20 63 |olour.Gr|een;.  c|
|00001630| 6f 6c 6f 75 72 2d 3e 42 | 6c 75 65 20 20 2b 3d 20 |olour->B|lue  += |
|00001640| 43 75 72 2d 3e 43 6f 6c | 6f 75 72 2e 42 6c 75 65 |Cur->Col|our.Blue|
|00001650| 3b 0d 20 20 63 6f 6c 6f | 75 72 2d 3e 46 69 6c 74 |;.  colo|ur->Filt|
|00001660| 65 72 20 2b 3d 20 43 75 | 72 2d 3e 43 6f 6c 6f 75 |er += Cu|r->Colou|
|00001670| 72 2e 46 69 6c 74 65 72 | 3b 0d 0d 20 20 7d 0d 0d |r.Filter|;..  }..|
|00001680| 0d 2f 2a 0d 20 20 20 43 | 6f 6c 6f 72 20 47 72 61 |./*.   C|olor Gra|
|00001690| 64 69 65 6e 74 20 50 69 | 67 6d 65 6e 74 20 2d 20 |dient Pi|gment - |
|000016a0| 67 72 61 64 69 65 6e 74 | 20 62 61 73 65 64 20 6f |gradient| based o|
|000016b0| 6e 20 74 68 65 20 66 72 | 61 63 74 69 6f 6e 61 6c |n the fr|actional|
|000016c0| 20 76 61 6c 75 65 73 20 | 6f 66 20 78 2c 20 79 20 | values |of x, y |
|000016d0| 6f 72 0d 20 20 20 7a 2c | 20 62 61 73 65 64 20 6f |or.   z,| based o|
|000016e0| 6e 20 77 68 65 74 68 65 | 72 20 6f 72 20 6e 6f 74 |n whethe|r or not|
|000016f0| 20 74 68 65 20 67 69 76 | 65 6e 20 64 69 72 65 63 | the giv|en direc|
|00001700| 74 69 6f 6e 61 6c 20 76 | 65 63 74 6f 72 20 69 73 |tional v|ector is|
|00001710| 20 61 20 31 2e 30 20 6f | 72 20 61 20 30 2e 30 2e | a 1.0 o|r a 0.0.|
|00001720| 0d 20 20 20 4e 6f 74 65 | 20 2d 20 4f 4e 4c 59 20 |.   Note| - ONLY |
|00001730| 77 6f 72 6b 73 20 77 69 | 74 68 20 63 6f 6c 6f 75 |works wi|th colou|
|00001740| 72 20 6d 61 70 73 2c 20 | 70 72 65 66 65 72 61 62 |r maps, |preferab|
|00001750| 6c 79 20 6f 6e 65 20 74 | 68 61 74 20 69 73 20 63 |ly one t|hat is c|
|00001760| 69 72 63 75 6c 61 72 20 | 2d 20 69 2e 65 2e 0d 20 |ircular |- i.e.. |
|00001770| 20 20 74 68 65 20 6c 61 | 73 74 20 64 65 66 69 6e |  the la|st defin|
|00001780| 65 64 20 63 6f 6c 6f 75 | 72 20 28 76 61 6c 75 65 |ed colou|r (value|
|00001790| 20 31 2e 30 30 31 29 20 | 69 73 20 74 68 65 20 73 | 1.001) |is the s|
|000017a0| 61 6d 65 20 61 73 20 74 | 68 65 20 66 69 72 73 74 |ame as t|he first|
|000017b0| 20 63 6f 6c 6f 75 72 20 | 28 77 69 74 68 0d 20 20 | colour |(with.  |
|000017c0| 20 61 20 76 61 6c 75 65 | 20 6f 66 20 30 2e 30 29 | a value| of 0.0)|
|000017d0| 20 69 6e 20 74 68 65 20 | 6d 61 70 2e 20 20 54 68 | in the |map.  Th|
|000017e0| 65 20 62 61 73 69 63 20 | 63 6f 6e 63 65 70 74 20 |e basic |concept |
|000017f0| 6f 66 20 74 68 69 73 20 | 69 73 20 66 72 6f 6d 20 |of this |is from |
|00001800| 44 42 57 20 52 65 6e 64 | 65 72 2c 0d 20 20 20 62 |DBW Rend|er,.   b|
|00001810| 75 74 20 44 61 76 65 20 | 57 65 63 6b 65 72 27 73 |ut Dave |Wecker's|
|00001820| 20 6f 6e 6c 79 20 73 75 | 70 70 6f 72 74 73 20 73 | only su|pports s|
|00001830| 69 6d 70 6c 65 20 59 20 | 61 78 69 73 20 67 72 61 |imple Y |axis gra|
|00001840| 64 69 65 6e 74 73 2e 0d | 2a 2f 0d 0d 76 6f 69 64 |dients..|*/..void|
|00001850| 20 67 72 61 64 69 65 6e | 74 20 28 78 2c 20 79 2c | gradien|t (x, y,|
|00001860| 20 7a 2c 20 50 69 67 6d | 65 6e 74 2c 20 63 6f 6c | z, Pigm|ent, col|
|00001870| 6f 75 72 29 0d 44 42 4c | 20 78 2c 20 79 2c 20 7a |our).DBL| x, y, z|
|00001880| 3b 0d 50 49 47 4d 45 4e | 54 20 2a 50 69 67 6d 65 |;.PIGMEN|T *Pigme|
|00001890| 6e 74 3b 0d 43 4f 4c 4f | 55 52 20 2a 63 6f 6c 6f |nt;.COLO|UR *colo|
|000018a0| 75 72 3b 0d 20 20 7b 0d | 20 20 43 4f 4c 4f 55 52 |ur;.  {.|  COLOUR|
|000018b0| 20 4e 65 77 5f 43 6f 6c | 6f 75 72 3b 0d 20 20 44 | New_Col|our;.  D|
|000018c0| 42 4c 20 76 61 6c 75 65 | 20 3d 20 30 2e 30 3b 0d |BL value| = 0.0;.|
|000018d0| 0d 20 20 69 66 20 28 50 | 69 67 6d 65 6e 74 20 2d |.  if (P|igment -|
|000018e0| 3e 20 43 6f 6c 6f 75 72 | 5f 47 72 61 64 69 65 6e |> Colour|_Gradien|
|000018f0| 74 2e 78 20 21 3d 20 30 | 2e 30 29 0d 20 20 20 20 |t.x != 0|.0).    |
|00001900| 7b 0d 20 20 20 20 78 20 | 3d 20 46 41 42 53 28 78 |{.    x |= FABS(x|
|00001910| 29 3b 0d 20 20 20 20 76 | 61 6c 75 65 20 2b 3d 20 |);.    v|alue += |
|00001920| 78 20 2d 20 46 4c 4f 4f | 52 28 78 29 3b 20 20 20 |x - FLOO|R(x);   |
|00001930| 20 20 20 20 20 2f 2a 20 | 6f 62 74 61 69 6e 20 66 |     /* |obtain f|
|00001940| 72 61 63 74 69 6f 6e 61 | 6c 20 58 20 63 6f 6d 70 |ractiona|l X comp|
|00001950| 6f 6e 65 6e 74 20 2a 2f | 0d 20 20 20 20 7d 0d 20 |onent */|.    }. |
|00001960| 20 69 66 20 28 50 69 67 | 6d 65 6e 74 20 2d 3e 20 | if (Pig|ment -> |
|00001970| 43 6f 6c 6f 75 72 5f 47 | 72 61 64 69 65 6e 74 2e |Colour_G|radient.|
|00001980| 79 20 21 3d 20 30 2e 30 | 29 0d 20 20 20 20 7b 0d |y != 0.0|).    {.|
|00001990| 20 20 20 20 79 20 3d 20 | 46 41 42 53 28 79 29 3b |    y = |FABS(y);|
|000019a0| 0d 20 20 20 20 76 61 6c | 75 65 20 2b 3d 20 79 20 |.    val|ue += y |
|000019b0| 2d 20 46 4c 4f 4f 52 28 | 79 29 3b 20 20 20 20 20 |- FLOOR(|y);     |
|000019c0| 20 20 20 2f 2a 20 6f 62 | 74 61 69 6e 20 66 72 61 |   /* ob|tain fra|
|000019d0| 63 74 69 6f 6e 61 6c 20 | 59 20 63 6f 6d 70 6f 6e |ctional |Y compon|
|000019e0| 65 6e 74 20 2a 2f 0d 20 | 20 20 20 7d 0d 20 20 69 |ent */. |   }.  i|
|000019f0| 66 20 28 50 69 67 6d 65 | 6e 74 20 2d 3e 20 43 6f |f (Pigme|nt -> Co|
|00001a00| 6c 6f 75 72 5f 47 72 61 | 64 69 65 6e 74 2e 7a 20 |lour_Gra|dient.z |
|00001a10| 21 3d 20 30 2e 30 29 0d | 20 20 20 20 7b 0d 20 20 |!= 0.0).|    {.  |
|00001a20| 20 20 7a 20 3d 20 46 41 | 42 53 28 7a 29 3b 0d 20 |  z = FA|BS(z);. |
|00001a30| 20 20 20 76 61 6c 75 65 | 20 2b 3d 20 7a 20 2d 20 |   value| += z - |
|00001a40| 46 4c 4f 4f 52 28 7a 29 | 3b 20 20 20 20 20 20 20 |FLOOR(z)|;       |
|00001a50| 20 2f 2a 20 6f 62 74 61 | 69 6e 20 66 72 61 63 74 | /* obta|in fract|
|00001a60| 69 6f 6e 61 6c 20 5a 20 | 63 6f 6d 70 6f 6e 65 6e |ional Z |componen|
|00001a70| 74 20 2a 2f 0d 20 20 20 | 20 7d 0d 20 20 76 61 6c |t */.   | }.  val|
|00001a80| 75 65 20 3d 20 28 28 76 | 61 6c 75 65 20 3e 20 31 |ue = ((v|alue > 1|
|00001a90| 2e 30 29 20 3f 20 66 6d | 6f 64 28 76 61 6c 75 65 |.0) ? fm|od(value|
|00001aa0| 2c 20 31 2e 30 29 20 3a | 20 76 61 6c 75 65 29 3b |, 1.0) :| value);|
|00001ab0| 20 2f 2a 20 63 6c 61 6d | 70 20 74 6f 20 31 2e 30 | /* clam|p to 1.0|
|00001ac0| 20 2a 2f 0d 0d 20 20 43 | 6f 6d 70 75 74 65 5f 43 | */..  C|ompute_C|
|00001ad0| 6f 6c 6f 75 72 20 28 26 | 4e 65 77 5f 43 6f 6c 6f |olour (&|New_Colo|
|00001ae0| 75 72 2c 20 50 69 67 6d | 65 6e 74 2c 20 76 61 6c |ur, Pigm|ent, val|
|00001af0| 75 65 29 3b 0d 20 20 63 | 6f 6c 6f 75 72 20 2d 3e |ue);.  c|olour ->|
|00001b00| 20 52 65 64 20 2b 3d 20 | 4e 65 77 5f 43 6f 6c 6f | Red += |New_Colo|
|00001b10| 75 72 2e 52 65 64 3b 0d | 20 20 63 6f 6c 6f 75 72 |ur.Red;.|  colour|
|00001b20| 20 2d 3e 20 47 72 65 65 | 6e 20 2b 3d 20 4e 65 77 | -> Gree|n += New|
|00001b30| 5f 43 6f 6c 6f 75 72 2e | 47 72 65 65 6e 3b 0d 20 |_Colour.|Green;. |
|00001b40| 20 63 6f 6c 6f 75 72 20 | 2d 3e 20 42 6c 75 65 20 | colour |-> Blue |
|00001b50| 2b 3d 20 4e 65 77 5f 43 | 6f 6c 6f 75 72 2e 42 6c |+= New_C|olour.Bl|
|00001b60| 75 65 3b 0d 20 20 63 6f | 6c 6f 75 72 20 2d 3e 20 |ue;.  co|lour -> |
|00001b70| 46 69 6c 74 65 72 20 2b | 3d 20 4e 65 77 5f 43 6f |Filter +|= New_Co|
|00001b80| 6c 6f 75 72 2e 46 69 6c | 74 65 72 3b 0d 20 20 7d |lour.Fil|ter;.  }|
|00001b90| 0d 0d 0d 2f 2a 0d 20 20 | 20 47 72 61 6e 69 74 65 |.../*.  | Granite|
|00001ba0| 20 2d 20 6b 69 6e 64 20 | 6f 66 20 61 20 75 6e 69 | - kind |of a uni|
|00001bb0| 6f 6e 20 6f 66 20 74 68 | 65 20 22 73 70 6f 74 74 |on of th|e "spott|
|00001bc0| 65 64 22 20 61 6e 64 20 | 74 68 65 20 22 64 65 6e |ed" and |the "den|
|00001bd0| 74 65 64 22 20 74 65 78 | 74 75 72 65 73 2c 0d 20 |ted" tex|tures,. |
|00001be0| 20 20 75 73 69 6e 67 20 | 61 20 31 2f 66 20 66 72 |  using |a 1/f fr|
|00001bf0| 61 63 74 61 6c 20 6e 6f | 69 73 65 20 66 75 6e 63 |actal no|ise func|
|00001c00| 74 69 6f 6e 20 66 6f 72 | 20 63 6f 6c 6f 72 20 76 |tion for| color v|
|00001c10| 61 6c 75 65 73 2e 20 20 | 54 79 70 69 63 61 6c 6c |alues.  |Typicall|
|00001c20| 79 20 75 73 65 64 0d 20 | 20 20 77 2f 20 73 6d 61 |y used. |  w/ sma|
|00001c30| 6c 6c 20 73 63 61 6c 69 | 6e 67 20 76 61 6c 75 65 |ll scali|ng value|
|00001c40| 73 2e 20 20 53 68 6f 75 | 6c 64 20 77 6f 72 6b 20 |s.  Shou|ld work |
|00001c50| 77 69 74 68 20 63 6f 6c | 6f 75 72 20 6d 61 70 73 |with col|our maps|
|00001c60| 20 66 6f 72 20 70 69 6e | 6b 20 67 72 61 6e 69 74 | for pin|k granit|
|00001c70| 65 2e 2e 2e 0d 2a 2f 0d | 0d 0d 76 6f 69 64 20 67 |e....*/.|..void g|
|00001c80| 72 61 6e 69 74 65 20 28 | 78 2c 20 79 2c 20 7a 2c |ranite (|x, y, z,|
|00001c90| 20 50 69 67 6d 65 6e 74 | 2c 20 63 6f 6c 6f 75 72 | Pigment|, colour|
|00001ca0| 29 0d 44 42 4c 20 78 2c | 20 79 2c 20 7a 3b 0d 50 |).DBL x,| y, z;.P|
|00001cb0| 49 47 4d 45 4e 54 20 2a | 50 69 67 6d 65 6e 74 3b |IGMENT *|Pigment;|
|00001cc0| 0d 43 4f 4c 4f 55 52 20 | 2a 63 6f 6c 6f 75 72 3b |.COLOUR |*colour;|
|00001cd0| 0d 20 20 7b 0d 20 20 72 | 65 67 69 73 74 65 72 20 |.  {.  r|egister |
|00001ce0| 69 6e 74 20 69 3b 0d 20 | 20 72 65 67 69 73 74 65 |int i;. | registe|
|00001cf0| 72 20 44 42 4c 20 74 65 | 6d 70 2c 20 6e 6f 69 73 |r DBL te|mp, nois|
|00001d00| 65 20 3d 20 30 2e 30 2c | 20 66 72 65 71 20 3d 20 |e = 0.0,| freq = |
|00001d10| 31 2e 30 3b 0d 20 20 43 | 4f 4c 4f 55 52 20 4e 65 |1.0;.  C|OLOUR Ne|
|00001d20| 77 5f 43 6f 6c 6f 75 72 | 3b 0d 0d 20 20 66 6f 72 |w_Colour|;..  for|
|00001d30| 20 28 69 20 3d 20 30 3b | 20 69 20 3c 20 36 20 3b | (i = 0;| i < 6 ;|
|00001d40| 20 66 72 65 71 20 2a 3d | 20 32 2e 30 2c 20 69 2b | freq *=| 2.0, i+|
|00001d50| 2b 29 0d 20 20 20 20 7b | 0d 20 20 20 20 74 65 6d |+).    {|.    tem|
|00001d60| 70 20 3d 20 30 2e 35 20 | 2d 20 4e 6f 69 73 65 20 |p = 0.5 |- Noise |
|00001d70| 28 78 20 2a 20 34 20 2a | 20 66 72 65 71 2c 20 79 |(x * 4 *| freq, y|
|00001d80| 20 2a 20 34 20 2a 20 66 | 72 65 71 2c 20 7a 20 2a | * 4 * f|req, z *|
|00001d90| 20 34 20 2a 20 66 72 65 | 71 29 3b 0d 20 20 20 20 | 4 * fre|q);.    |
|00001da0| 74 65 6d 70 20 3d 20 46 | 41 42 53 28 74 65 6d 70 |temp = F|ABS(temp|
|00001db0| 29 3b 0d 20 20 20 20 6e | 6f 69 73 65 20 2b 3d 20 |);.    n|oise += |
|00001dc0| 74 65 6d 70 20 2f 20 66 | 72 65 71 3b 0d 20 20 20 |temp / f|req;.   |
|00001dd0| 20 7d 0d 0d 20 20 43 6f | 6d 70 75 74 65 5f 43 6f | }..  Co|mpute_Co|
|00001de0| 6c 6f 75 72 20 28 26 4e | 65 77 5f 43 6f 6c 6f 75 |lour (&N|ew_Colou|
|00001df0| 72 2c 20 50 69 67 6d 65 | 6e 74 2c 20 6e 6f 69 73 |r, Pigme|nt, nois|
|00001e00| 65 29 3b 0d 20 20 63 6f | 6c 6f 75 72 20 2d 3e 20 |e);.  co|lour -> |
|00001e10| 52 65 64 20 2b 3d 20 4e | 65 77 5f 43 6f 6c 6f 75 |Red += N|ew_Colou|
|00001e20| 72 2e 52 65 64 3b 0d 20 | 20 63 6f 6c 6f 75 72 20 |r.Red;. | colour |
|00001e30| 2d 3e 20 47 72 65 65 6e | 20 2b 3d 20 4e 65 77 5f |-> Green| += New_|
|00001e40| 43 6f 6c 6f 75 72 2e 47 | 72 65 65 6e 3b 0d 20 20 |Colour.G|reen;.  |
|00001e50| 63 6f 6c 6f 75 72 20 2d | 3e 20 42 6c 75 65 20 2b |colour -|> Blue +|
|00001e60| 3d 20 4e 65 77 5f 43 6f | 6c 6f 75 72 2e 42 6c 75 |= New_Co|lour.Blu|
|00001e70| 65 3b 0d 20 20 63 6f 6c | 6f 75 72 20 2d 3e 20 46 |e;.  col|our -> F|
|00001e80| 69 6c 74 65 72 20 2b 3d | 20 4e 65 77 5f 43 6f 6c |ilter +=| New_Col|
|00001e90| 6f 75 72 2e 46 69 6c 74 | 65 72 3b 0d 20 20 7d 0d |our.Filt|er;.  }.|
|00001ea0| 0d 76 6f 69 64 20 6d 61 | 6e 64 65 6c 20 28 78 2c |.void ma|ndel (x,|
|00001eb0| 20 79 2c 20 7a 2c 20 50 | 69 67 6d 65 6e 74 2c 20 | y, z, P|igment, |
|00001ec0| 63 6f 6c 6f 75 72 29 0d | 44 42 4c 20 78 2c 20 79 |colour).|DBL x, y|
|00001ed0| 2c 20 7a 3b 0d 50 49 47 | 4d 45 4e 54 20 2a 50 69 |, z;.PIG|MENT *Pi|
|00001ee0| 67 6d 65 6e 74 3b 0d 43 | 4f 4c 4f 55 52 20 2a 63 |gment;.C|OLOUR *c|
|00001ef0| 6f 6c 6f 75 72 3b 0d 20 | 20 7b 20 20 0d 20 20 44 |olour;. | {  .  D|
|00001f00| 42 4c 20 61 2c 62 2c 63 | 66 2c 61 32 2c 62 32 3b |BL a,b,c|f,a2,b2;|
|00001f10| 0d 20 20 69 6e 74 20 69 | 74 5f 6d 61 78 2c 63 6f |.  int i|t_max,co|
|00001f20| 6c 3b 0d 20 20 43 4f 4c | 4f 55 52 20 74 68 65 70 |l;.  COL|OUR thep|
|00001f30| 6f 69 6e 74 3b 0d 0d 20 | 20 61 20 3d 20 78 3b 20 |oint;.. | a = x; |
|00001f40| 61 32 20 3d 20 61 2a 61 | 3b 0d 20 20 62 20 3d 20 |a2 = a*a|;.  b = |
|00001f50| 79 3b 20 62 32 20 3d 20 | 62 2a 62 3b 0d 20 20 69 |y; b2 = |b*b;.  i|
|00001f60| 74 5f 6d 61 78 20 3d 20 | 50 69 67 6d 65 6e 74 2d |t_max = |Pigment-|
|00001f70| 3e 49 74 65 72 61 74 69 | 6f 6e 73 3b 0d 20 20 66 |>Iterati|ons;.  f|
|00001f80| 6f 72 20 28 63 6f 6c 3d | 30 3b 63 6f 6c 3c 69 74 |or (col=|0;col<it|
|00001f90| 5f 6d 61 78 3b 63 6f 6c | 2b 2b 29 20 0d 20 20 20 |_max;col|++) .   |
|00001fa0| 20 7b 0d 20 20 20 20 20 | 62 20 20 3d 20 32 2a 61 | {.     |b  = 2*a|
|00001fb0| 2a 62 20 2b 20 79 3b 0d | 20 20 20 20 20 61 20 20 |*b + y;.|     a  |
|00001fc0| 3d 20 61 32 20 2d 20 62 | 32 20 2b 20 78 3b 0d 20 |= a2 - b|2 + x;. |
|00001fd0| 20 20 20 20 61 32 20 3d | 20 61 2a 61 3b 0d 20 20 |    a2 =| a*a;.  |
|00001fe0| 20 20 20 62 32 20 3d 20 | 62 2a 62 3b 0d 20 20 20 |   b2 = |b*b;.   |
|00001ff0| 20 20 69 66 20 28 61 32 | 20 2b 20 62 32 20 3e 20 |  if (a2| + b2 > |
|00002000| 34 2e 30 29 0d 20 20 20 | 20 20 20 20 62 72 65 61 |4.0).   |    brea|
|00002010| 6b 3b 0d 20 20 20 20 7d | 0d 20 20 63 66 20 3d 20 |k;.    }|.  cf = |
|00002020| 28 44 42 4c 29 63 6f 6c | 20 2f 20 69 74 5f 6d 61 |(DBL)col| / it_ma|
|00002030| 78 3b 0d 0d 20 20 43 6f | 6d 70 75 74 65 5f 43 6f |x;..  Co|mpute_Co|
|00002040| 6c 6f 75 72 20 28 26 74 | 68 65 70 6f 69 6e 74 2c |lour (&t|hepoint,|
|00002050| 20 50 69 67 6d 65 6e 74 | 2c 20 63 66 29 3b 0d 20 | Pigment|, cf);. |
|00002060| 20 63 6f 6c 6f 75 72 2d | 3e 52 65 64 20 20 20 2b | colour-|>Red   +|
|00002070| 3d 74 68 65 70 6f 69 6e | 74 2e 52 65 64 3b 0d 20 |=thepoin|t.Red;. |
|00002080| 20 63 6f 6c 6f 75 72 2d | 3e 47 72 65 65 6e 20 2b | colour-|>Green +|
|00002090| 3d 74 68 65 70 6f 69 6e | 74 2e 47 72 65 65 6e 3b |=thepoin|t.Green;|
|000020a0| 0d 20 20 63 6f 6c 6f 75 | 72 2d 3e 42 6c 75 65 20 |.  colou|r->Blue |
|000020b0| 20 2b 3d 74 68 65 70 6f | 69 6e 74 2e 42 6c 75 65 | +=thepo|int.Blue|
|000020c0| 3b 0d 20 20 63 6f 6c 6f | 75 72 2d 3e 46 69 6c 74 |;.  colo|ur->Filt|
|000020d0| 65 72 20 2b 3d 74 68 65 | 70 6f 69 6e 74 2e 46 69 |er +=the|point.Fi|
|000020e0| 6c 74 65 72 3b 0d 20 20 | 7d 0d 0d 0d 76 6f 69 64 |lter;.  |}...void|
|000020f0| 20 6d 61 72 62 6c 65 20 | 28 78 2c 20 79 2c 20 7a | marble |(x, y, z|
|00002100| 2c 20 50 69 67 6d 65 6e | 74 2c 20 63 6f 6c 6f 75 |, Pigmen|t, colou|
|00002110| 72 29 0d 44 42 4c 20 78 | 2c 20 79 2c 20 7a 3b 0d |r).DBL x|, y, z;.|
|00002120| 50 49 47 4d 45 4e 54 20 | 2a 50 69 67 6d 65 6e 74 |PIGMENT |*Pigment|
|00002130| 3b 0d 43 4f 4c 4f 55 52 | 20 2a 63 6f 6c 6f 75 72 |;.COLOUR| *colour|
|00002140| 3b 0d 20 20 7b 0d 20 20 | 72 65 67 69 73 74 65 72 |;.  {.  |register|
|00002150| 20 44 42 4c 20 6e 6f 69 | 73 65 2c 20 74 75 72 62 | DBL noi|se, turb|
|00002160| 3b 0d 20 20 43 4f 4c 4f | 55 52 20 4e 65 77 5f 43 |;.  COLO|UR New_C|
|00002170| 6f 6c 6f 75 72 3b 0d 0d | 20 20 69 66 20 28 28 50 |olour;..|  if ((P|
|00002180| 69 67 6d 65 6e 74 2d 3e | 46 6c 61 67 73 29 20 26 |igment->|Flags) &|
|00002190| 20 48 41 53 5f 54 55 52 | 42 29 0d 20 20 20 20 74 | HAS_TUR|B).    t|
|000021a0| 75 72 62 20 3d 20 20 54 | 75 72 62 75 6c 65 6e 63 |urb =  T|urbulenc|
|000021b0| 65 28 78 2c 20 79 2c 20 | 7a 2c 50 69 67 6d 65 6e |e(x, y, |z,Pigmen|
|000021c0| 74 2d 3e 6f 6d 65 67 61 | 2c 50 69 67 6d 65 6e 74 |t->omega|,Pigment|
|000021d0| 2d 3e 6c 61 6d 62 64 61 | 2c 50 69 67 6d 65 6e 74 |->lambda|,Pigment|
|000021e0| 2d 3e 4f 63 74 61 76 65 | 73 29 20 2a 0d 20 20 20 |->Octave|s) *.   |
|000021f0| 20 50 69 67 6d 65 6e 74 | 2d 3e 54 75 72 62 75 6c | Pigment|->Turbul|
|00002200| 65 6e 63 65 2e 78 3b 0d | 20 20 65 6c 73 65 0d 20 |ence.x;.|  else. |
|00002210| 20 20 20 74 75 72 62 20 | 3d 20 30 2e 30 3b 0d 0d |   turb |= 0.0;..|
|00002220| 20 20 6e 6f 69 73 65 20 | 3d 20 54 72 69 61 6e 67 |  noise |= Triang|
|00002230| 6c 65 5f 57 61 76 65 28 | 78 20 2b 20 74 75 72 62 |le_Wave(|x + turb|
|00002240| 29 3b 0d 0d 20 20 43 6f | 6d 70 75 74 65 5f 43 6f |);..  Co|mpute_Co|
|00002250| 6c 6f 75 72 20 28 26 4e | 65 77 5f 43 6f 6c 6f 75 |lour (&N|ew_Colou|
|00002260| 72 2c 20 50 69 67 6d 65 | 6e 74 2c 20 6e 6f 69 73 |r, Pigme|nt, nois|
|00002270| 65 29 3b 0d 20 20 63 6f | 6c 6f 75 72 20 2d 3e 20 |e);.  co|lour -> |
|00002280| 52 65 64 20 2b 3d 20 4e | 65 77 5f 43 6f 6c 6f 75 |Red += N|ew_Colou|
|00002290| 72 2e 52 65 64 3b 0d 20 | 20 63 6f 6c 6f 75 72 20 |r.Red;. | colour |
|000022a0| 2d 3e 20 47 72 65 65 6e | 20 2b 3d 20 4e 65 77 5f |-> Green| += New_|
|000022b0| 43 6f 6c 6f 75 72 2e 47 | 72 65 65 6e 3b 0d 20 20 |Colour.G|reen;.  |
|000022c0| 63 6f 6c 6f 75 72 20 2d | 3e 20 42 6c 75 65 20 2b |colour -|> Blue +|
|000022d0| 3d 20 4e 65 77 5f 43 6f | 6c 6f 75 72 2e 42 6c 75 |= New_Co|lour.Blu|
|000022e0| 65 3b 0d 20 20 63 6f 6c | 6f 75 72 20 2d 3e 20 46 |e;.  col|our -> F|
|000022f0| 69 6c 74 65 72 20 2b 3d | 20 4e 65 77 5f 43 6f 6c |ilter +=| New_Col|
|00002300| 6f 75 72 2e 46 69 6c 74 | 65 72 3b 0d 20 20 7d 0d |our.Filt|er;.  }.|
|00002310| 0d 76 6f 69 64 20 72 61 | 64 69 61 6c 20 28 78 2c |.void ra|dial (x,|
|00002320| 20 79 2c 20 7a 2c 20 50 | 69 67 6d 65 6e 74 2c 20 | y, z, P|igment, |
|00002330| 63 6f 6c 6f 75 72 29 0d | 44 42 4c 20 78 2c 20 79 |colour).|DBL x, y|
|00002340| 2c 20 7a 3b 0d 50 49 47 | 4d 45 4e 54 20 2a 50 69 |, z;.PIG|MENT *Pi|
|00002350| 67 6d 65 6e 74 3b 0d 43 | 4f 4c 4f 55 52 20 2a 63 |gment;.C|OLOUR *c|
|00002360| 6f 6c 6f 75 72 3b 0d 20 | 20 7b 0d 20 20 72 65 67 |olour;. | {.  reg|
|00002370| 69 73 74 65 72 20 44 42 | 4c 20 76 61 6c 75 65 3b |ister DB|L value;|
|00002380| 0d 20 20 43 4f 4c 4f 55 | 52 20 4e 65 77 5f 43 6f |.  COLOU|R New_Co|
|00002390| 6c 6f 75 72 3b 0d 0d 20 | 20 69 66 20 28 20 28 66 |lour;.. | if ( (f|
|000023a0| 61 62 73 28 78 29 3c 30 | 2e 30 30 31 29 20 26 26 |abs(x)<0|.001) &&|
|000023b0| 20 28 66 61 62 73 28 7a | 29 3c 30 2e 30 30 31 29 | (fabs(z|)<0.001)|
|000023c0| 29 0d 20 20 20 20 76 61 | 6c 75 65 20 3d 20 30 2e |).    va|lue = 0.|
|000023d0| 32 35 3b 0d 20 20 65 6c | 73 65 0d 20 20 20 20 76 |25;.  el|se.    v|
|000023e0| 61 6c 75 65 20 3d 20 30 | 2e 32 35 2b 28 61 74 61 |alue = 0|.25+(ata|
|000023f0| 6e 32 28 78 2c 7a 29 2b | 4d 5f 50 49 29 2f 28 32 |n2(x,z)+|M_PI)/(2|
|00002400| 2a 4d 5f 50 49 29 3b 0d | 0d 20 20 43 6f 6d 70 75 |*M_PI);.|.  Compu|
|00002410| 74 65 5f 43 6f 6c 6f 75 | 72 20 28 26 4e 65 77 5f |te_Colou|r (&New_|
|00002420| 43 6f 6c 6f 75 72 2c 20 | 50 69 67 6d 65 6e 74 2c |Colour, |Pigment,|
|00002430| 20 76 61 6c 75 65 29 3b | 0d 20 20 63 6f 6c 6f 75 | value);|.  colou|
|00002440| 72 20 2d 3e 20 52 65 64 | 20 2b 3d 20 4e 65 77 5f |r -> Red| += New_|
|00002450| 43 6f 6c 6f 75 72 2e 52 | 65 64 3b 0d 20 20 63 6f |Colour.R|ed;.  co|
|00002460| 6c 6f 75 72 20 2d 3e 20 | 47 72 65 65 6e 20 2b 3d |lour -> |Green +=|
|00002470| 20 4e 65 77 5f 43 6f 6c | 6f 75 72 2e 47 72 65 65 | New_Col|our.Gree|
|00002480| 6e 3b 0d 20 20 63 6f 6c | 6f 75 72 20 2d 3e 20 42 |n;.  col|our -> B|
|00002490| 6c 75 65 20 2b 3d 20 4e | 65 77 5f 43 6f 6c 6f 75 |lue += N|ew_Colou|
|000024a0| 72 2e 42 6c 75 65 3b 0d | 20 20 63 6f 6c 6f 75 72 |r.Blue;.|  colour|
|000024b0| 20 2d 3e 20 46 69 6c 74 | 65 72 20 2b 3d 20 4e 65 | -> Filt|er += Ne|
|000024c0| 77 5f 43 6f 6c 6f 75 72 | 2e 46 69 6c 74 65 72 3b |w_Colour|.Filter;|
|000024d0| 0d 20 20 7d 0d 0d 0d 2f | 2a 20 20 20 20 20 20 20 |.  }.../|*       |
|000024e0| 20 0d 20 20 20 57 69 74 | 68 20 61 20 6c 69 74 74 | .   Wit|h a litt|
|000024f0| 6c 65 20 72 65 66 6c 65 | 63 74 69 76 69 74 79 20 |le refle|ctivity |
|00002500| 61 6e 64 20 62 72 69 6c | 6c 69 61 6e 63 65 2c 20 |and bril|liance, |
|00002510| 63 61 6e 20 6c 6f 6f 6b | 20 6c 69 6b 65 20 6f 72 |can look| like or|
|00002520| 67 61 6e 20 70 69 70 65 | 0d 20 20 20 6d 65 74 61 |gan pipe|.   meta|
|00002530| 6c 2e 20 20 20 57 69 74 | 68 20 74 69 6e 79 20 73 |l.   Wit|h tiny s|
|00002540| 63 61 6c 69 6e 67 20 76 | 61 6c 75 65 73 20 63 61 |caling v|alues ca|
|00002550| 6e 20 6c 6f 6f 6b 20 6c | 69 6b 65 20 6d 61 73 6f |n look l|ike maso|
|00002560| 6e 72 79 20 6f 72 20 63 | 6f 6e 63 72 65 74 65 2e |nry or c|oncrete.|
|00002570| 0d 20 20 20 57 6f 72 6b | 73 20 77 69 74 68 20 63 |.   Work|s with c|
|00002580| 6f 6c 6f 72 20 6d 61 70 | 73 2e 0d 2a 2f 0d 0d 76 |olor map|s..*/..v|
|00002590| 6f 69 64 20 73 70 6f 74 | 74 65 64 20 28 78 2c 20 |oid spot|ted (x, |
|000025a0| 79 2c 20 7a 2c 20 50 69 | 67 6d 65 6e 74 2c 20 63 |y, z, Pi|gment, c|
|000025b0| 6f 6c 6f 75 72 29 0d 44 | 42 4c 20 78 2c 20 79 2c |olour).D|BL x, y,|
|000025c0| 20 7a 3b 0d 50 49 47 4d | 45 4e 54 20 2a 50 69 67 | z;.PIGM|ENT *Pig|
|000025d0| 6d 65 6e 74 3b 0d 43 4f | 4c 4f 55 52 20 2a 63 6f |ment;.CO|LOUR *co|
|000025e0| 6c 6f 75 72 3b 0d 20 20 | 7b 0d 20 20 72 65 67 69 |lour;.  |{.  regi|
|000025f0| 73 74 65 72 20 44 42 4c | 20 6e 6f 69 73 65 3b 0d |ster DBL| noise;.|
|00002600| 20 20 43 4f 4c 4f 55 52 | 20 4e 65 77 5f 43 6f 6c |  COLOUR| New_Col|
|00002610| 6f 75 72 3b 0d 0d 20 20 | 6e 6f 69 73 65 20 3d 20 |our;..  |noise = |
|00002620| 4e 6f 69 73 65 20 28 78 | 2c 20 79 2c 20 7a 29 3b |Noise (x|, y, z);|
|00002630| 0d 0d 20 20 43 6f 6d 70 | 75 74 65 5f 43 6f 6c 6f |..  Comp|ute_Colo|
|00002640| 75 72 20 28 26 4e 65 77 | 5f 43 6f 6c 6f 75 72 2c |ur (&New|_Colour,|
|00002650| 20 50 69 67 6d 65 6e 74 | 2c 20 6e 6f 69 73 65 29 | Pigment|, noise)|
|00002660| 3b 0d 20 20 63 6f 6c 6f | 75 72 20 2d 3e 20 52 65 |;.  colo|ur -> Re|
|00002670| 64 20 2b 3d 20 4e 65 77 | 5f 43 6f 6c 6f 75 72 2e |d += New|_Colour.|
|00002680| 52 65 64 3b 0d 20 20 63 | 6f 6c 6f 75 72 20 2d 3e |Red;.  c|olour ->|
|00002690| 20 47 72 65 65 6e 20 2b | 3d 20 4e 65 77 5f 43 6f | Green +|= New_Co|
|000026a0| 6c 6f 75 72 2e 47 72 65 | 65 6e 3b 0d 20 20 63 6f |lour.Gre|en;.  co|
|000026b0| 6c 6f 75 72 20 2d 3e 20 | 42 6c 75 65 20 2b 3d 20 |lour -> |Blue += |
|000026c0| 4e 65 77 5f 43 6f 6c 6f | 75 72 2e 42 6c 75 65 3b |New_Colo|ur.Blue;|
|000026d0| 0d 20 20 63 6f 6c 6f 75 | 72 20 2d 3e 20 46 69 6c |.  colou|r -> Fil|
|000026e0| 74 65 72 20 2b 3d 20 4e | 65 77 5f 43 6f 6c 6f 75 |ter += N|ew_Colou|
|000026f0| 72 2e 46 69 6c 74 65 72 | 3b 0d 20 20 7d 0d 0d 0d |r.Filter|;.  }...|
|00002700| 76 6f 69 64 20 77 6f 6f | 64 20 28 78 2c 20 79 2c |void woo|d (x, y,|
|00002710| 20 7a 2c 20 50 69 67 6d | 65 6e 74 2c 20 63 6f 6c | z, Pigm|ent, col|
|00002720| 6f 75 72 29 0d 44 42 4c | 20 78 2c 20 79 2c 20 7a |our).DBL| x, y, z|
|00002730| 3b 0d 50 49 47 4d 45 4e | 54 20 2a 50 69 67 6d 65 |;.PIGMEN|T *Pigme|
|00002740| 6e 74 3b 0d 43 4f 4c 4f | 55 52 20 2a 63 6f 6c 6f |nt;.COLO|UR *colo|
|00002750| 75 72 3b 0d 20 20 7b 0d | 20 20 72 65 67 69 73 74 |ur;.  {.|  regist|
|00002760| 65 72 20 44 42 4c 20 6e | 6f 69 73 65 2c 20 6c 65 |er DBL n|oise, le|
|00002770| 6e 67 74 68 3b 0d 20 20 | 56 45 43 54 4f 52 20 57 |ngth;.  |VECTOR W|
|00002780| 6f 6f 64 54 75 72 62 75 | 6c 65 6e 63 65 3b 0d 20 |oodTurbu|lence;. |
|00002790| 20 56 45 43 54 4f 52 20 | 70 6f 69 6e 74 3b 0d 20 | VECTOR |point;. |
|000027a0| 20 43 4f 4c 4f 55 52 20 | 4e 65 77 5f 43 6f 6c 6f | COLOUR |New_Colo|
|000027b0| 75 72 3b 0d 0d 20 20 44 | 54 75 72 62 75 6c 65 6e |ur;..  D|Turbulen|
|000027c0| 63 65 20 28 26 57 6f 6f | 64 54 75 72 62 75 6c 65 |ce (&Woo|dTurbule|
|000027d0| 6e 63 65 2c 20 78 2c 20 | 79 2c 20 7a 2c 50 69 67 |nce, x, |y, z,Pig|
|000027e0| 6d 65 6e 74 2d 3e 6f 6d | 65 67 61 2c 50 69 67 6d |ment->om|ega,Pigm|
|000027f0| 65 6e 74 2d 3e 6c 61 6d | 62 64 61 2c 50 69 67 6d |ent->lam|bda,Pigm|
|00002800| 65 6e 74 2d 3e 4f 63 74 | 61 76 65 73 29 3b 0d 0d |ent->Oct|aves);..|
|00002810| 20 20 70 6f 69 6e 74 2e | 78 20 3d 20 63 79 63 6c |  point.|x = cycl|
|00002820| 6f 69 64 61 6c 28 28 78 | 20 2b 20 57 6f 6f 64 54 |oidal((x| + WoodT|
|00002830| 75 72 62 75 6c 65 6e 63 | 65 2e 78 29 0d 20 20 20 |urbulenc|e.x).   |
|00002840| 20 2a 20 50 69 67 6d 65 | 6e 74 20 2d 3e 20 54 75 | * Pigme|nt -> Tu|
|00002850| 72 62 75 6c 65 6e 63 65 | 2e 78 29 3b 0d 20 20 70 |rbulence|.x);.  p|
|00002860| 6f 69 6e 74 2e 79 20 3d | 20 63 79 63 6c 6f 69 64 |oint.y =| cycloid|
|00002870| 61 6c 28 28 79 20 2b 20 | 57 6f 6f 64 54 75 72 62 |al((y + |WoodTurb|
|00002880| 75 6c 65 6e 63 65 2e 79 | 29 0d 20 20 20 20 2a 20 |ulence.y|).    * |
|00002890| 50 69 67 6d 65 6e 74 20 | 2d 3e 20 54 75 72 62 75 |Pigment |-> Turbu|
|000028a0| 6c 65 6e 63 65 2e 79 29 | 3b 0d 20 20 70 6f 69 6e |lence.y)|;.  poin|
|000028b0| 74 2e 7a 20 3d 20 30 2e | 30 3b 0d 0d 20 20 70 6f |t.z = 0.|0;..  po|
|000028c0| 69 6e 74 2e 78 20 2b 3d | 20 78 3b 0d 20 20 70 6f |int.x +=| x;.  po|
|000028d0| 69 6e 74 2e 79 20 2b 3d | 20 79 3b 0d 0d 20 20 2f |int.y +=| y;..  /|
|000028e0| 2a 20 20 70 6f 69 6e 74 | 2e 7a 20 2b 3d 20 7a 3b |*  point|.z += z;|
|000028f0| 20 20 20 20 20 20 20 44 | 65 6c 65 74 65 64 20 70 |       D|eleted p|
|00002900| 65 72 20 44 61 76 69 64 | 20 42 75 63 6b 20 2d 2d |er David| Buck --|
|00002910| 20 20 42 50 20 37 2f 39 | 31 20 2a 2f 0d 0d 20 20 |  BP 7/9|1 */..  |
|00002920| 56 4c 65 6e 67 74 68 20 | 28 6c 65 6e 67 74 68 2c |VLength |(length,|
|00002930| 20 70 6f 69 6e 74 29 3b | 0d 0d 20 20 6e 6f 69 73 | point);|..  nois|
|00002940| 65 20 3d 20 54 72 69 61 | 6e 67 6c 65 5f 57 61 76 |e = Tria|ngle_Wav|
|00002950| 65 28 6c 65 6e 67 74 68 | 29 3b 0d 0d 20 20 43 6f |e(length|);..  Co|
|00002960| 6d 70 75 74 65 5f 43 6f | 6c 6f 75 72 20 28 26 4e |mpute_Co|lour (&N|
|00002970| 65 77 5f 43 6f 6c 6f 75 | 72 2c 20 50 69 67 6d 65 |ew_Colou|r, Pigme|
|00002980| 6e 74 2c 20 6e 6f 69 73 | 65 29 3b 0d 20 20 63 6f |nt, nois|e);.  co|
|00002990| 6c 6f 75 72 20 2d 3e 20 | 52 65 64 20 2b 3d 20 4e |lour -> |Red += N|
|000029a0| 65 77 5f 43 6f 6c 6f 75 | 72 2e 52 65 64 3b 0d 20 |ew_Colou|r.Red;. |
|000029b0| 20 63 6f 6c 6f 75 72 20 | 2d 3e 20 47 72 65 65 6e | colour |-> Green|
|000029c0| 20 2b 3d 20 4e 65 77 5f | 43 6f 6c 6f 75 72 2e 47 | += New_|Colour.G|
|000029d0| 72 65 65 6e 3b 0d 20 20 | 63 6f 6c 6f 75 72 20 2d |reen;.  |colour -|
|000029e0| 3e 20 42 6c 75 65 20 2b | 3d 20 4e 65 77 5f 43 6f |> Blue +|= New_Co|
|000029f0| 6c 6f 75 72 2e 42 6c 75 | 65 3b 0d 20 20 63 6f 6c |lour.Blu|e;.  col|
|00002a00| 6f 75 72 20 2d 3e 20 46 | 69 6c 74 65 72 20 2b 3d |our -> F|ilter +=|
|00002a10| 20 4e 65 77 5f 43 6f 6c | 6f 75 72 2e 46 69 6c 74 | New_Col|our.Filt|
|00002a20| 65 72 3b 0d 20 20 7d 0d | 0d 2f 2a 20 54 77 6f 20 |er;.  }.|./* Two |
|00002a30| 6e 65 77 20 70 69 67 6d | 65 6e 74 73 20 62 79 20 |new pigm|ents by |
|00002a40| 53 63 6f 74 74 20 54 61 | 79 6c 6f 72 20 4c 45 4f |Scott Ta|ylor LEO|
|00002a50| 50 41 52 44 20 26 20 4f | 4e 49 4f 4e 20 2a 2f 0d |PARD & O|NION */.|
|00002a60| 0d 76 6f 69 64 20 6c 65 | 6f 70 61 72 64 20 28 78 |.void le|opard (x|
|00002a70| 2c 20 79 2c 20 7a 2c 20 | 50 69 67 6d 65 6e 74 2c |, y, z, |Pigment,|
|00002a80| 20 63 6f 6c 6f 75 72 29 | 20 20 20 20 20 20 2f 2a | colour)|      /*|
|00002a90| 20 53 57 54 20 37 2f 31 | 38 2f 39 31 20 2a 2f 0d | SWT 7/1|8/91 */.|
|00002aa0| 44 42 4c 20 78 2c 20 79 | 2c 20 7a 3b 0d 50 49 47 |DBL x, y|, z;.PIG|
|00002ab0| 4d 45 4e 54 20 2a 50 69 | 67 6d 65 6e 74 3b 0d 43 |MENT *Pi|gment;.C|
|00002ac0| 4f 4c 4f 55 52 20 2a 63 | 6f 6c 6f 75 72 3b 0d 20 |OLOUR *c|olour;. |
|00002ad0| 20 7b 0d 20 20 2f 2a 20 | 54 68 65 20 76 61 72 69 | {.  /* |The vari|
|00002ae0| 61 62 6c 65 20 6e 6f 69 | 73 65 20 69 73 20 6e 6f |able noi|se is no|
|00002af0| 74 20 75 73 65 64 20 61 | 73 20 6e 6f 69 73 65 20 |t used a|s noise |
|00002b00| 69 6e 20 74 68 69 73 20 | 66 75 6e 63 74 69 6f 6e |in this |function|
|00002b10| 20 2a 2f 0d 20 20 72 65 | 67 69 73 74 65 72 20 44 | */.  re|gister D|
|00002b20| 42 4c 20 6e 6f 69 73 65 | 2c 74 65 6d 70 31 2c 74 |BL noise|,temp1,t|
|00002b30| 65 6d 70 32 2c 74 65 6d | 70 33 3b 0d 20 20 43 4f |emp2,tem|p3;.  CO|
|00002b40| 4c 4f 55 52 20 4e 65 77 | 5f 43 6f 6c 6f 75 72 3b |LOUR New|_Colour;|
|00002b50| 0d 0d 20 20 2f 2a 20 54 | 68 69 73 20 66 6f 72 6d |..  /* T|his form|
|00002b60| 20 64 69 64 6e 27 74 20 | 77 6f 72 6b 20 77 69 74 | didn't |work wit|
|00002b70| 68 20 5a 6f 72 74 65 63 | 68 20 33 38 36 20 63 6f |h Zortec|h 386 co|
|00002b80| 6d 70 69 6c 65 72 20 2a | 2f 0d 20 20 2f 2a 20 6e |mpiler *|/.  /* n|
|00002b90| 6f 69 73 65 20 3d 20 53 | 71 72 28 28 73 69 6e 28 |oise = S|qr((sin(|
|00002ba0| 78 29 2b 73 69 6e 28 79 | 29 2b 73 69 6e 28 7a 29 |x)+sin(y|)+sin(z)|
|00002bb0| 29 2f 33 29 3b 20 2a 2f | 0d 20 20 2f 2a 20 53 6f |)/3); */|.  /* So|
|00002bc0| 20 77 65 20 62 72 65 61 | 6b 20 69 74 20 64 6f 77 | we brea|k it dow|
|00002bd0| 6e 2e 20 2a 2f 0d 20 20 | 74 65 6d 70 31 20 3d 20 |n. */.  |temp1 = |
|00002be0| 73 69 6e 28 78 29 3b 0d | 20 20 74 65 6d 70 32 20 |sin(x);.|  temp2 |
|00002bf0| 3d 20 73 69 6e 28 79 29 | 3b 0d 20 20 74 65 6d 70 |= sin(y)|;.  temp|
|00002c00| 33 20 3d 20 73 69 6e 28 | 7a 29 3b 0d 20 20 6e 6f |3 = sin(|z);.  no|
|00002c10| 69 73 65 20 3d 20 53 71 | 72 28 28 74 65 6d 70 31 |ise = Sq|r((temp1|
|00002c20| 2b 74 65 6d 70 32 2b 74 | 65 6d 70 33 29 2f 33 29 |+temp2+t|emp3)/3)|
|00002c30| 3b 0d 0d 20 20 43 6f 6d | 70 75 74 65 5f 43 6f 6c |;..  Com|pute_Col|
|00002c40| 6f 75 72 20 28 26 4e 65 | 77 5f 43 6f 6c 6f 75 72 |our (&Ne|w_Colour|
|00002c50| 2c 20 50 69 67 6d 65 6e | 74 2c 20 6e 6f 69 73 65 |, Pigmen|t, noise|
|00002c60| 29 3b 0d 20 20 63 6f 6c | 6f 75 72 20 2d 3e 20 52 |);.  col|our -> R|
|00002c70| 65 64 20 2b 3d 20 4e 65 | 77 5f 43 6f 6c 6f 75 72 |ed += Ne|w_Colour|
|00002c80| 2e 52 65 64 3b 0d 20 20 | 63 6f 6c 6f 75 72 20 2d |.Red;.  |colour -|
|00002c90| 3e 20 47 72 65 65 6e 20 | 2b 3d 20 4e 65 77 5f 43 |> Green |+= New_C|
|00002ca0| 6f 6c 6f 75 72 2e 47 72 | 65 65 6e 3b 0d 20 20 63 |olour.Gr|een;.  c|
|00002cb0| 6f 6c 6f 75 72 20 2d 3e | 20 42 6c 75 65 20 2b 3d |olour ->| Blue +=|
|00002cc0| 20 4e 65 77 5f 43 6f 6c | 6f 75 72 2e 42 6c 75 65 | New_Col|our.Blue|
|00002cd0| 3b 0d 20 20 63 6f 6c 6f | 75 72 20 2d 3e 20 46 69 |;.  colo|ur -> Fi|
|00002ce0| 6c 74 65 72 20 2b 3d 20 | 4e 65 77 5f 43 6f 6c 6f |lter += |New_Colo|
|00002cf0| 75 72 2e 46 69 6c 74 65 | 72 3b 0d 20 20 7d 0d 0d |ur.Filte|r;.  }..|
|00002d00| 76 6f 69 64 20 6f 6e 69 | 6f 6e 20 28 78 2c 20 79 |void oni|on (x, y|
|00002d10| 2c 20 7a 2c 20 50 69 67 | 6d 65 6e 74 2c 20 63 6f |, z, Pig|ment, co|
|00002d20| 6c 6f 75 72 29 20 20 20 | 20 20 20 2f 2a 20 53 57 |lour)   |   /* SW|
|00002d30| 54 20 37 2f 31 38 2f 39 | 31 20 2a 2f 0d 44 42 4c |T 7/18/9|1 */.DBL|
|00002d40| 20 78 2c 20 79 2c 20 7a | 3b 0d 50 49 47 4d 45 4e | x, y, z|;.PIGMEN|
|00002d50| 54 20 2a 50 69 67 6d 65 | 6e 74 3b 0d 43 4f 4c 4f |T *Pigme|nt;.COLO|
|00002d60| 55 52 20 2a 63 6f 6c 6f | 75 72 3b 0d 20 20 7b 0d |UR *colo|ur;.  {.|
|00002d70| 20 20 2f 2a 20 54 68 65 | 20 76 61 72 69 61 62 6c |  /* The| variabl|
|00002d80| 65 20 6e 6f 69 73 65 20 | 69 73 20 6e 6f 74 20 75 |e noise |is not u|
|00002d90| 73 65 64 20 61 73 20 6e | 6f 69 73 65 20 69 6e 20 |sed as n|oise in |
|00002da0| 74 68 69 73 20 66 75 6e | 63 74 69 6f 6e 20 2a 2f |this fun|ction */|
|00002db0| 0d 20 20 72 65 67 69 73 | 74 65 72 20 44 42 4c 20 |.  regis|ter DBL |
|00002dc0| 6e 6f 69 73 65 3b 0d 20 | 20 43 4f 4c 4f 55 52 20 |noise;. | COLOUR |
|00002dd0| 4e 65 77 5f 43 6f 6c 6f | 75 72 3b 0d 0d 20 20 2f |New_Colo|ur;..  /|
|00002de0| 2a 20 54 68 69 73 20 72 | 61 6d 70 20 67 6f 65 73 |* This r|amp goes|
|00002df0| 20 30 2d 31 2c 31 2d 30 | 2c 30 2d 31 2c 31 2d 30 | 0-1,1-0|,0-1,1-0|
|00002e00| 2e 2e 2e 0d 20 20 20 6e | 6f 69 73 65 20 3d 20 28 |....   n|oise = (|
|00002e10| 66 6d 6f 64 28 53 51 52 | 54 28 53 71 72 28 78 29 |fmod(SQR|T(Sqr(x)|
|00002e20| 2b 53 71 72 28 79 29 2b | 53 71 72 28 7a 29 29 2c |+Sqr(y)+|Sqr(z)),|
|00002e30| 32 2e 30 29 2d 31 2e 30 | 29 3b 0d 20 20 20 69 66 |2.0)-1.0|);.   if|
|00002e40| 20 28 6e 6f 69 73 65 3c | 30 2e 30 29 20 7b 6e 6f | (noise<|0.0) {no|
|00002e50| 69 73 65 20 3d 20 30 2e | 30 2d 6e 6f 69 73 65 3b |ise = 0.|0-noise;|
|00002e60| 7d 0d 20 20 20 2a 2f 0d | 0d 20 20 2f 2a 20 54 68 |}.   */.|.  /* Th|
|00002e70| 69 73 20 72 61 6d 70 20 | 67 6f 65 73 20 30 2d 31 |is ramp |goes 0-1|
|00002e80| 2c 30 2d 31 2c 30 2d 31 | 2c 30 2d 31 2e 2e 2e 20 |,0-1,0-1|,0-1... |
|00002e90| 2a 2f 0d 20 20 6e 6f 69 | 73 65 20 3d 20 28 66 6d |*/.  noi|se = (fm|
|00002ea0| 6f 64 28 53 51 52 54 28 | 53 71 72 28 78 29 2b 53 |od(SQRT(|Sqr(x)+S|
|00002eb0| 71 72 28 79 29 2b 53 71 | 72 28 7a 29 29 2c 31 2e |qr(y)+Sq|r(z)),1.|
|00002ec0| 30 29 29 3b 0d 0d 20 20 | 43 6f 6d 70 75 74 65 5f |0));..  |Compute_|
|00002ed0| 43 6f 6c 6f 75 72 20 28 | 26 4e 65 77 5f 43 6f 6c |Colour (|&New_Col|
|00002ee0| 6f 75 72 2c 20 50 69 67 | 6d 65 6e 74 2c 20 6e 6f |our, Pig|ment, no|
|00002ef0| 69 73 65 29 3b 0d 20 20 | 63 6f 6c 6f 75 72 20 2d |ise);.  |colour -|
|00002f00| 3e 20 52 65 64 20 2b 3d | 20 4e 65 77 5f 43 6f 6c |> Red +=| New_Col|
|00002f10| 6f 75 72 2e 52 65 64 3b | 0d 20 20 63 6f 6c 6f 75 |our.Red;|.  colou|
|00002f20| 72 20 2d 3e 20 47 72 65 | 65 6e 20 2b 3d 20 4e 65 |r -> Gre|en += Ne|
|00002f30| 77 5f 43 6f 6c 6f 75 72 | 2e 47 72 65 65 6e 3b 0d |w_Colour|.Green;.|
|00002f40| 20 20 63 6f 6c 6f 75 72 | 20 2d 3e 20 42 6c 75 65 |  colour| -> Blue|
|00002f50| 20 2b 3d 20 4e 65 77 5f | 43 6f 6c 6f 75 72 2e 42 | += New_|Colour.B|
|00002f60| 6c 75 65 3b 0d 20 20 63 | 6f 6c 6f 75 72 20 2d 3e |lue;.  c|olour ->|
|00002f70| 20 46 69 6c 74 65 72 20 | 2b 3d 20 4e 65 77 5f 43 | Filter |+= New_C|
|00002f80| 6f 6c 6f 75 72 2e 46 69 | 6c 74 65 72 3b 0d 20 20 |olour.Fi|lter;.  |
|00002f90| 7d 0d 0d 2f 2a 20 54 72 | 69 48 65 78 20 70 61 74 |}../* Tr|iHex pat|
|00002fa0| 74 65 72 6e 20 2d 2d 20 | 45 72 6e 65 73 74 20 4d |tern -- |Ernest M|
|00002fb0| 61 63 44 6f 75 67 61 6c | 20 43 61 6d 70 62 65 6c |acDougal| Campbel|
|00002fc0| 6c 20 49 49 49 20 28 45 | 4d 43 33 29 20 31 31 2f |l III (E|MC3) 11/|
|00002fd0| 32 33 2f 39 32 0d 20 2a | 0d 20 2a 20 43 72 65 61 |23/92. *|. * Crea|
|00002fe0| 74 65 73 20 61 20 68 65 | 78 61 67 6f 6e 20 70 61 |tes a he|xagon pa|
|00002ff0| 74 74 65 72 6e 20 69 6e | 20 74 68 65 20 58 5a 20 |ttern in| the XZ |
|00003000| 70 6c 61 6e 65 2e 0d 20 | 2a 0d 20 2a 20 54 68 69 |plane.. |*. * Thi|
|00003010| 73 20 61 6c 67 6f 72 69 | 74 68 6d 20 69 73 20 68 |s algori|thm is h|
|00003020| 61 72 64 20 74 6f 20 65 | 78 70 6c 61 69 6e 2e 20 |ard to e|xplain. |
|00003030| 20 46 69 72 73 74 20 69 | 74 20 73 63 61 6c 65 73 | First i|t scales|
|00003040| 20 74 68 65 20 70 6f 69 | 6e 74 20 74 6f 20 6d 61 | the poi|nt to ma|
|00003050| 6b 65 0d 20 2a 20 61 20 | 66 65 77 20 6f 66 20 74 |ke. * a |few of t|
|00003060| 68 65 20 6c 61 74 65 72 | 20 63 61 6c 63 75 6c 61 |he later| calcula|
|00003070| 74 69 6f 6e 73 20 65 61 | 73 69 65 72 2c 20 74 68 |tions ea|sier, th|
|00003080| 65 6e 20 6d 61 70 73 20 | 73 6f 6d 65 20 70 6f 69 |en maps |some poi|
|00003090| 6e 74 73 20 74 6f 20 62 | 65 0d 20 2a 20 63 6c 6f |nts to b|e. * clo|
|000030a0| 73 65 72 20 74 6f 20 74 | 68 65 20 4f 72 69 67 69 |ser to t|he Origi|
|000030b0| 6e 2e 20 20 41 20 73 6d | 61 6c 6c 20 61 72 65 61 |n.  A sm|all area|
|000030c0| 20 69 6e 20 74 68 65 20 | 66 69 72 73 74 20 71 75 | in the |first qu|
|000030d0| 61 64 72 61 6e 74 20 69 | 73 20 73 75 62 64 69 76 |adrant i|s subdiv|
|000030e0| 69 64 65 64 0d 20 2a 20 | 69 6e 74 6f 20 61 20 36 |ided. * |into a 6|
|000030f0| 20 78 20 36 20 67 72 69 | 64 2e 20 20 54 68 65 20 | x 6 gri|d.  The |
|00003100| 70 6f 73 69 74 69 6f 6e | 20 6f 66 20 74 68 65 20 |position| of the |
|00003110| 70 6f 69 6e 74 20 6d 61 | 70 70 65 64 20 69 6e 74 |point ma|pped int|
|00003120| 6f 20 74 68 61 74 20 67 | 72 69 64 0d 20 2a 20 64 |o that g|rid. * d|
|00003130| 65 74 65 72 6d 69 6e 65 | 73 20 69 74 73 20 63 6f |etermine|s its co|
|00003140| 6c 6f 72 2e 20 20 46 6f | 72 20 73 6f 6d 65 20 70 |lor.  Fo|r some p|
|00003150| 6f 69 6e 74 73 2c 20 6a | 75 73 74 20 74 68 65 20 |oints, j|ust the |
|00003160| 67 72 69 64 20 6c 6f 63 | 61 74 69 6f 6e 20 69 73 |grid loc|ation is|
|00003170| 20 65 6e 6f 75 67 68 2c | 0d 20 2a 20 62 75 74 20 | enough,|. * but |
|00003180| 66 6f 72 20 6f 74 68 65 | 72 73 2c 20 77 65 20 68 |for othe|rs, we h|
|00003190| 61 76 65 20 74 6f 20 63 | 61 6c 63 75 6c 61 74 65 |ave to c|alculate|
|000031a0| 20 77 68 69 63 68 20 68 | 61 6c 66 20 6f 66 20 74 | which h|alf of t|
|000031b0| 68 65 20 62 6c 6f 63 6b | 20 69 74 27 73 20 69 6e |he block| it's in|
|000031c0| 20 0d 20 2a 20 28 74 68 | 69 73 20 69 73 20 77 68 | . * (th|is is wh|
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|000031e0| 66 75 6e 63 74 69 6f 6e | 20 63 6f 6d 65 73 20 69 |function| comes i|
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|00003200| 64 65 66 69 6e 65 20 78 | 66 61 63 74 6f 72 20 30 |define x|factor 0|
|00003210| 2e 35 3b 20 20 20 20 20 | 20 20 20 20 2f 2a 20 65 |.5;     |    /* e|
|00003220| 61 63 68 20 74 72 69 61 | 6e 67 6c 65 20 69 73 20 |ach tria|ngle is |
|00003230| 73 70 6c 69 74 20 69 6e | 20 68 61 6c 66 20 66 6f |split in| half fo|
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|00003f90| 0d 20 20 7b 0d 20 20 50 | 49 47 4d 45 4e 54 20 2a |.  {.  P|IGMENT *|
|00003fa0| 4e 65 77 3b 0d 0d 20 20 | 69 66 20 28 28 4e 65 77 |New;..  |if ((New|
|00003fb0| 20 3d 20 28 50 49 47 4d | 45 4e 54 20 2a 29 20 6d | = (PIGM|ENT *) m|
|00003fc0| 61 6c 6c 6f 63 20 28 73 | 69 7a 65 6f 66 20 28 50 |alloc (s|izeof (P|
|00003fd0| 49 47 4d 45 4e 54 29 29 | 29 20 3d 3d 20 4e 55 4c |IGMENT))|) == NUL|
|00003fe0| 4c 29 0d 20 20 20 20 4d | 41 45 72 72 6f 72 20 28 |L).    M|AError (|
|00003ff0| 22 70 69 67 6d 65 6e 74 | 22 29 3b 0d 0d 20 20 49 |"pigment|");..  I|
|00004000| 4e 49 54 5f 54 50 41 54 | 54 45 52 4e 5f 46 49 45 |NIT_TPAT|TERN_FIE|
|00004010| 4c 44 53 28 4e 65 77 2c | 4e 4f 5f 50 49 47 4d 45 |LDS(New,|NO_PIGME|
|00004020| 4e 54 29 0d 20 20 20 20 | 4e 65 77 2d 3e 43 6f 6c |NT).    |New->Col|
|00004030| 6f 75 72 31 20 3d 20 4e | 55 4c 4c 3b 0d 20 20 4d |our1 = N|ULL;.  M|
|00004040| 61 6b 65 5f 43 6f 6c 6f | 75 72 28 26 28 4e 65 77 |ake_Colo|ur(&(New|
|00004050| 2d 3e 51 75 69 63 6b 5f | 43 6f 6c 6f 75 72 29 2c |->Quick_|Colour),|
|00004060| 20 30 2e 35 2c 30 2e 35 | 2c 30 2e 35 29 20 3b 0d | 0.5,0.5|,0.5) ;.|
|00004070| 20 20 4e 65 77 2d 3e 43 | 6f 6c 6f 75 72 5f 4d 61 |  New->C|olour_Ma|
|00004080| 70 20 3d 20 4e 55 4c 4c | 3b 0d 20 20 4d 61 6b 65 |p = NULL|;.  Make|
|00004090| 5f 56 65 63 74 6f 72 20 | 28 26 28 4e 65 77 2d 3e |_Vector |(&(New->|
|000040a0| 43 6f 6c 6f 75 72 5f 47 | 72 61 64 69 65 6e 74 29 |Colour_G|radient)|
|000040b0| 2c 20 30 2e 30 2c 20 30 | 2e 30 2c 20 30 2e 30 29 |, 0.0, 0|.0, 0.0)|
|000040c0| 3b 0d 20 20 4e 65 77 2d | 3e 49 6d 61 67 65 20 3d |;.  New-|>Image =|
|000040d0| 20 4e 55 4c 4c 3b 0d 20 | 20 4e 65 77 2d 3e 4d 6f | NULL;. | New->Mo|
|000040e0| 72 74 61 72 20 3d 20 30 | 2e 32 3b 0d 20 20 4e 65 |rtar = 0|.2;.  Ne|
|000040f0| 77 2d 3e 41 67 61 74 65 | 5f 54 75 72 62 5f 53 63 |w->Agate|_Turb_Sc|
|00004100| 61 6c 65 20 3d 20 31 2e | 30 3b 0d 20 20 4e 65 77 |ale = 1.|0;.  New|
|00004110| 2d 3e 49 74 65 72 61 74 | 69 6f 6e 73 20 3d 20 30 |->Iterat|ions = 0|
|00004120| 3b 0d 20 20 72 65 74 75 | 72 6e 20 28 4e 65 77 29 |;.  retu|rn (New)|
|00004130| 3b 0d 20 20 7d 0d 0d 50 | 49 47 4d 45 4e 54 20 2a |;.  }..P|IGMENT *|
|00004140| 43 6f 70 79 5f 50 69 67 | 6d 65 6e 74 20 28 4f 6c |Copy_Pig|ment (Ol|
|00004150| 64 29 0d 50 49 47 4d 45 | 4e 54 20 2a 4f 6c 64 3b |d).PIGME|NT *Old;|
|00004160| 0d 20 20 7b 0d 20 20 50 | 49 47 4d 45 4e 54 20 2a |.  {.  P|IGMENT *|
|00004170| 4e 65 77 3b 0d 0d 20 20 | 69 66 20 28 4f 6c 64 20 |New;..  |if (Old |
|00004180| 21 3d 20 4e 55 4c 4c 29 | 0d 20 20 20 20 7b 0d 20 |!= NULL)|.    {. |
|00004190| 20 20 20 4e 65 77 20 3d | 20 43 72 65 61 74 65 5f |   New =| Create_|
|000041a0| 50 69 67 6d 65 6e 74 20 | 28 29 3b 0d 20 20 20 20 |Pigment |();.    |
|000041b0| 2a 4e 65 77 20 3d 20 2a | 4f 6c 64 3b 0d 0d 20 20 |*New = *|Old;..  |
|000041c0| 20 20 4e 65 77 2d 3e 54 | 72 61 6e 73 20 3d 20 43 |  New->T|rans = C|
|000041d0| 6f 70 79 5f 54 72 61 6e | 73 66 6f 72 6d 20 28 4f |opy_Tran|sform (O|
|000041e0| 6c 64 2d 3e 54 72 61 6e | 73 29 3b 0d 20 20 20 20 |ld->Tran|s);.    |
|000041f0| 4e 65 77 2d 3e 43 6f 6c | 6f 75 72 31 20 3d 20 43 |New->Col|our1 = C|
|00004200| 6f 70 79 5f 43 6f 6c 6f | 75 72 20 28 4f 6c 64 2d |opy_Colo|ur (Old-|
|00004210| 3e 43 6f 6c 6f 75 72 31 | 29 3b 0d 20 20 20 20 4e |>Colour1|);.    N|
|00004220| 65 77 2d 3e 49 6d 61 67 | 65 20 3d 20 43 6f 70 79 |ew->Imag|e = Copy|
|00004230| 5f 49 6d 61 67 65 20 28 | 4f 6c 64 2d 3e 49 6d 61 |_Image (|Old->Ima|
|00004240| 67 65 29 3b 0d 20 20 20 | 20 4e 65 77 2d 3e 43 6f |ge);.   | New->Co|
|00004250| 6c 6f 75 72 5f 4d 61 70 | 20 3d 20 43 6f 70 79 5f |lour_Map| = Copy_|
|00004260| 43 6f 6c 6f 75 72 5f 4d | 61 70 20 28 4f 6c 64 2d |Colour_M|ap (Old-|
|00004270| 3e 43 6f 6c 6f 75 72 5f | 4d 61 70 29 3b 0d 20 20 |>Colour_|Map);.  |
|00004280| 20 20 7d 0d 20 20 65 6c | 73 65 0d 20 20 20 20 4e |  }.  el|se.    N|
|00004290| 65 77 20 3d 20 4e 55 4c | 4c 3b 0d 0d 20 20 72 65 |ew = NUL|L;..  re|
|000042a0| 74 75 72 6e 20 28 4e 65 | 77 29 3b 20 20 20 0d 20 |turn (Ne|w);   . |
|000042b0| 20 7d 0d 0d 76 6f 69 64 | 20 54 72 61 6e 73 6c 61 | }..void| Transla|
|000042c0| 74 65 5f 50 69 67 6d 65 | 6e 74 28 50 69 67 6d 65 |te_Pigme|nt(Pigme|
|000042d0| 6e 74 2c 56 65 63 74 6f | 72 29 0d 50 49 47 4d 45 |nt,Vecto|r).PIGME|
|000042e0| 4e 54 20 2a 50 69 67 6d | 65 6e 74 3b 0d 56 45 43 |NT *Pigm|ent;.VEC|
|000042f0| 54 4f 52 20 2a 56 65 63 | 74 6f 72 3b 0d 20 20 7b |TOR *Vec|tor;.  {|
|00004300| 0d 20 20 54 52 41 4e 53 | 46 4f 52 4d 20 54 72 61 |.  TRANS|FORM Tra|
|00004310| 6e 73 3b 0d 0d 20 20 69 | 66 20 28 50 69 67 6d 65 |ns;..  i|f (Pigme|
|00004320| 6e 74 20 3d 3d 20 4e 55 | 4c 4c 29 0d 20 20 20 20 |nt == NU|LL).    |
|00004330| 72 65 74 75 72 6e 3b 0d | 0d 20 20 43 6f 6d 70 75 |return;.|.  Compu|
|00004340| 74 65 5f 54 72 61 6e 73 | 6c 61 74 69 6f 6e 5f 54 |te_Trans|lation_T|
|00004350| 72 61 6e 73 66 6f 72 6d | 20 28 26 54 72 61 6e 73 |ransform| (&Trans|
|00004360| 2c 20 56 65 63 74 6f 72 | 29 3b 0d 20 20 54 72 61 |, Vector|);.  Tra|
|00004370| 6e 73 66 6f 72 6d 5f 50 | 69 67 6d 65 6e 74 20 28 |nsform_P|igment (|
|00004380| 50 69 67 6d 65 6e 74 2c | 20 26 54 72 61 6e 73 29 |Pigment,| &Trans)|
|00004390| 3b 0d 20 20 7d 0d 0d 76 | 6f 69 64 20 52 6f 74 61 |;.  }..v|oid Rota|
|000043a0| 74 65 5f 50 69 67 6d 65 | 6e 74 28 50 69 67 6d 65 |te_Pigme|nt(Pigme|
|000043b0| 6e 74 2c 56 65 63 74 6f | 72 29 0d 50 49 47 4d 45 |nt,Vecto|r).PIGME|
|000043c0| 4e 54 20 2a 50 69 67 6d | 65 6e 74 3b 0d 56 45 43 |NT *Pigm|ent;.VEC|
|000043d0| 54 4f 52 20 2a 56 65 63 | 74 6f 72 3b 0d 20 20 7b |TOR *Vec|tor;.  {|
|000043e0| 0d 20 20 54 52 41 4e 53 | 46 4f 52 4d 20 54 72 61 |.  TRANS|FORM Tra|
|000043f0| 6e 73 3b 0d 0d 20 20 69 | 66 20 28 50 69 67 6d 65 |ns;..  i|f (Pigme|
|00004400| 6e 74 20 3d 3d 20 4e 55 | 4c 4c 29 0d 20 20 20 20 |nt == NU|LL).    |
|00004410| 72 65 74 75 72 6e 3b 0d | 0d 20 20 43 6f 6d 70 75 |return;.|.  Compu|
|00004420| 74 65 5f 52 6f 74 61 74 | 69 6f 6e 5f 54 72 61 6e |te_Rotat|ion_Tran|
|00004430| 73 66 6f 72 6d 20 28 26 | 54 72 61 6e 73 2c 20 56 |sform (&|Trans, V|
|00004440| 65 63 74 6f 72 29 3b 0d | 20 20 54 72 61 6e 73 66 |ector);.|  Transf|
|00004450| 6f 72 6d 5f 50 69 67 6d | 65 6e 74 20 28 50 69 67 |orm_Pigm|ent (Pig|
|00004460| 6d 65 6e 74 2c 20 26 54 | 72 61 6e 73 29 3b 0d 20 |ment, &T|rans);. |
|00004470| 20 7d 0d 0d 76 6f 69 64 | 20 53 63 61 6c 65 5f 50 | }..void| Scale_P|
|00004480| 69 67 6d 65 6e 74 28 50 | 69 67 6d 65 6e 74 2c 56 |igment(P|igment,V|
|00004490| 65 63 74 6f 72 29 0d 50 | 49 47 4d 45 4e 54 20 2a |ector).P|IGMENT *|
|000044a0| 50 69 67 6d 65 6e 74 3b | 0d 56 45 43 54 4f 52 20 |Pigment;|.VECTOR |
|000044b0| 2a 56 65 63 74 6f 72 3b | 0d 20 20 7b 0d 20 20 54 |*Vector;|.  {.  T|
|000044c0| 52 41 4e 53 46 4f 52 4d | 20 54 72 61 6e 73 3b 0d |RANSFORM| Trans;.|
|000044d0| 0d 20 20 69 66 20 28 50 | 69 67 6d 65 6e 74 20 3d |.  if (P|igment =|
|000044e0| 3d 20 4e 55 4c 4c 29 0d | 20 20 20 20 72 65 74 75 |= NULL).|    retu|
|000044f0| 72 6e 3b 0d 0d 20 20 43 | 6f 6d 70 75 74 65 5f 53 |rn;..  C|ompute_S|
|00004500| 63 61 6c 69 6e 67 5f 54 | 72 61 6e 73 66 6f 72 6d |caling_T|ransform|
|00004510| 20 28 26 54 72 61 6e 73 | 2c 20 56 65 63 74 6f 72 | (&Trans|, Vector|
|00004520| 29 3b 0d 20 20 54 72 61 | 6e 73 66 6f 72 6d 5f 50 |);.  Tra|nsform_P|
|00004530| 69 67 6d 65 6e 74 20 28 | 50 69 67 6d 65 6e 74 2c |igment (|Pigment,|
|00004540| 20 26 54 72 61 6e 73 29 | 3b 0d 20 20 7d 0d 0d 76 | &Trans)|;.  }..v|
|00004550| 6f 69 64 20 54 72 61 6e | 73 66 6f 72 6d 5f 50 69 |oid Tran|sform_Pi|
|00004560| 67 6d 65 6e 74 28 50 69 | 67 6d 65 6e 74 2c 54 72 |gment(Pi|gment,Tr|
|00004570| 61 6e 73 29 0d 50 49 47 | 4d 45 4e 54 20 2a 50 69 |ans).PIG|MENT *Pi|
|00004580| 67 6d 65 6e 74 3b 0d 54 | 52 41 4e 53 46 4f 52 4d |gment;.T|RANSFORM|
|00004590| 20 2a 54 72 61 6e 73 3b | 0d 20 20 7b 0d 20 20 69 | *Trans;|.  {.  i|
|000045a0| 66 20 28 50 69 67 6d 65 | 6e 74 20 3d 3d 20 4e 55 |f (Pigme|nt == NU|
|000045b0| 4c 4c 29 0d 20 20 20 20 | 72 65 74 75 72 6e 3b 0d |LL).    |return;.|
|000045c0| 0d 20 20 69 66 20 28 21 | 50 69 67 6d 65 6e 74 2d |.  if (!|Pigment-|
|000045d0| 3e 54 72 61 6e 73 29 0d | 20 20 20 20 50 69 67 6d |>Trans).|    Pigm|
|000045e0| 65 6e 74 2d 3e 54 72 61 | 6e 73 20 3d 20 43 72 65 |ent->Tra|ns = Cre|
|000045f0| 61 74 65 5f 54 72 61 6e | 73 66 6f 72 6d 20 28 29 |ate_Tran|sform ()|
|00004600| 3b 0d 0d 20 20 43 6f 6d | 70 6f 73 65 5f 54 72 61 |;..  Com|pose_Tra|
|00004610| 6e 73 66 6f 72 6d 73 20 | 28 50 69 67 6d 65 6e 74 |nsforms |(Pigment|
|00004620| 2d 3e 54 72 61 6e 73 2c | 20 54 72 61 6e 73 29 3b |->Trans,| Trans);|
|00004630| 0d 20 20 7d 0d 0d 76 6f | 69 64 20 44 65 73 74 72 |.  }..vo|id Destr|
|00004640| 6f 79 5f 50 69 67 6d 65 | 6e 74 20 28 50 69 67 6d |oy_Pigme|nt (Pigm|
|00004650| 65 6e 74 29 0d 50 49 47 | 4d 45 4e 54 20 2a 50 69 |ent).PIG|MENT *Pi|
|00004660| 67 6d 65 6e 74 3b 0d 20 | 20 7b 0d 20 20 69 66 20 |gment;. | {.  if |
|00004670| 28 50 69 67 6d 65 6e 74 | 20 3d 3d 20 4e 55 4c 4c |(Pigment| == NULL|
|00004680| 29 0d 20 20 20 20 72 65 | 74 75 72 6e 3b 0d 0d 20 |).    re|turn;.. |
|00004690| 20 44 65 73 74 72 6f 79 | 5f 43 6f 6c 6f 75 72 20 | Destroy|_Colour |
|000046a0| 28 50 69 67 6d 65 6e 74 | 2d 3e 43 6f 6c 6f 75 72 |(Pigment|->Colour|
|000046b0| 31 29 3b 0d 20 20 44 65 | 73 74 72 6f 79 5f 43 6f |1);.  De|stroy_Co|
|000046c0| 6c 6f 75 72 5f 4d 61 70 | 20 28 50 69 67 6d 65 6e |lour_Map| (Pigmen|
|000046d0| 74 2d 3e 43 6f 6c 6f 75 | 72 5f 4d 61 70 29 3b 0d |t->Colou|r_Map);.|
|000046e0| 20 20 44 65 73 74 72 6f | 79 5f 49 6d 61 67 65 20 |  Destro|y_Image |
|000046f0| 28 50 69 67 6d 65 6e 74 | 2d 3e 49 6d 61 67 65 29 |(Pigment|->Image)|
|00004700| 3b 0d 20 20 44 65 73 74 | 72 6f 79 5f 54 72 61 6e |;.  Dest|roy_Tran|
|00004710| 73 66 6f 72 6d 20 28 50 | 69 67 6d 65 6e 74 2d 3e |sform (P|igment->|
|00004720| 54 72 61 6e 73 29 3b 0d | 20 20 66 72 65 65 20 28 |Trans);.|  free (|
|00004730| 50 69 67 6d 65 6e 74 29 | 3b 0d 20 20 7d 0d 0d 76 |Pigment)|;.  }..v|
|00004740| 6f 69 64 20 50 6f 73 74 | 5f 50 69 67 6d 65 6e 74 |oid Post|_Pigment|
|00004750| 20 28 50 69 67 6d 65 6e | 74 29 0d 50 49 47 4d 45 | (Pigmen|t).PIGME|
|00004760| 4e 54 20 2a 50 69 67 6d | 65 6e 74 3b 0d 20 20 7b |NT *Pigm|ent;.  {|
|00004770| 0d 20 20 69 66 20 28 50 | 69 67 6d 65 6e 74 20 3d |.  if (P|igment =|
|00004780| 3d 20 4e 55 4c 4c 29 0d | 20 20 20 20 45 72 72 6f |= NULL).|    Erro|
|00004790| 72 28 22 4d 69 73 73 69 | 6e 67 20 70 69 67 6d 65 |r("Missi|ng pigme|
|000047a0| 6e 74 22 29 3b 0d 0d 20 | 20 69 66 20 28 50 69 67 |nt");.. | if (Pig|
|000047b0| 6d 65 6e 74 2d 3e 46 6c | 61 67 73 20 26 20 50 4f |ment->Fl|ags & PO|
|000047c0| 53 54 5f 44 4f 4e 45 29 | 0d 20 20 20 20 72 65 74 |ST_DONE)|.    ret|
|000047d0| 75 72 6e 3b 0d 0d 20 20 | 69 66 20 28 50 69 67 6d |urn;..  |if (Pigm|
|000047e0| 65 6e 74 2d 3e 54 79 70 | 65 20 3d 3d 20 4e 4f 5f |ent->Typ|e == NO_|
|000047f0| 50 49 47 4d 45 4e 54 29 | 0d 20 20 20 20 7b 0d 20 |PIGMENT)|.    {. |
|00004800| 20 20 20 50 69 67 6d 65 | 6e 74 2d 3e 54 79 70 65 |   Pigme|nt->Type|
|00004810| 20 3d 20 43 4f 4c 4f 55 | 52 5f 50 49 47 4d 45 4e | = COLOU|R_PIGMEN|
|00004820| 54 3b 0d 20 20 20 20 50 | 69 67 6d 65 6e 74 2d 3e |T;.    P|igment->|
|00004830| 43 6f 6c 6f 75 72 31 20 | 3d 20 43 72 65 61 74 65 |Colour1 |= Create|
|00004840| 5f 43 6f 6c 6f 75 72 20 | 28 29 3b 0d 20 20 20 20 |_Colour |();.    |
|00004850| 57 61 72 6e 28 22 4e 6f | 20 70 69 67 6d 65 6e 74 |Warn("No| pigment|
|00004860| 20 74 79 70 65 20 67 69 | 76 65 6e 22 2c 31 2e 35 | type gi|ven",1.5|
|00004870| 29 3b 0d 20 20 20 20 7d | 0d 0d 20 20 50 69 67 6d |);.    }|..  Pigm|
|00004880| 65 6e 74 2d 3e 46 6c 61 | 67 73 20 7c 3d 20 50 4f |ent->Fla|gs |= PO|
|00004890| 53 54 5f 44 4f 4e 45 3b | 0d 0d 20 20 73 77 69 74 |ST_DONE;|..  swit|
|000048a0| 63 68 20 28 50 69 67 6d | 65 6e 74 2d 3e 54 79 70 |ch (Pigm|ent->Typ|
|000048b0| 65 29 0d 20 20 7b 0d 20 | 20 63 61 73 65 20 43 4f |e).  {. | case CO|
|000048c0| 4c 4f 55 52 5f 50 49 47 | 4d 45 4e 54 3a 0d 20 20 |LOUR_PIG|MENT:.  |
|000048d0| 20 20 44 65 73 74 72 6f | 79 5f 54 72 61 6e 73 66 |  Destro|y_Transf|
|000048e0| 6f 72 6d 20 28 50 69 67 | 6d 65 6e 74 2d 3e 54 72 |orm (Pig|ment->Tr|
|000048f0| 61 6e 73 29 3b 0d 20 20 | 20 20 50 69 67 6d 65 6e |ans);.  |  Pigmen|
|00004900| 74 2d 3e 54 72 61 6e 73 | 20 3d 20 4e 55 4c 4c 3b |t->Trans| = NULL;|
|00004910| 0d 20 20 20 20 4d 61 6b | 65 5f 56 65 63 74 6f 72 |.    Mak|e_Vector|
|00004920| 28 26 28 50 69 67 6d 65 | 6e 74 2d 3e 54 75 72 62 |(&(Pigme|nt->Turb|
|00004930| 75 6c 65 6e 63 65 29 2c | 30 2e 30 2c 30 2e 30 2c |ulence),|0.0,0.0,|
|00004940| 30 2e 30 29 3b 0d 20 20 | 20 20 62 72 65 61 6b 3b |0.0);.  |  break;|
|00004950| 0d 0d 20 20 63 61 73 65 | 20 42 4f 5a 4f 5f 50 49 |..  case| BOZO_PI|
|00004960| 47 4d 45 4e 54 3a 0d 20 | 20 20 20 69 66 20 28 50 |GMENT:. |   if (P|
|00004970| 69 67 6d 65 6e 74 2d 3e | 43 6f 6c 6f 75 72 5f 4d |igment->|Colour_M|
|00004980| 61 70 20 3d 3d 20 4e 55 | 4c 4c 29 0d 20 20 20 20 |ap == NU|LL).    |
|00004990| 20 20 50 69 67 6d 65 6e | 74 2d 3e 43 6f 6c 6f 75 |  Pigmen|t->Colou|
|000049a0| 72 5f 4d 61 70 20 3d 20 | 26 42 6f 7a 6f 5f 44 65 |r_Map = |&Bozo_De|
|000049b0| 66 61 75 6c 74 5f 4d 61 | 70 3b 0d 20 20 20 20 62 |fault_Ma|p;.    b|
|000049c0| 72 65 61 6b 3b 0d 0d 20 | 20 63 61 73 65 20 57 4f |reak;.. | case WO|
|000049d0| 4f 44 5f 50 49 47 4d 45 | 4e 54 3a 0d 20 20 20 20 |OD_PIGME|NT:.    |
|000049e0| 69 66 20 28 50 69 67 6d | 65 6e 74 2d 3e 43 6f 6c |if (Pigm|ent->Col|
|000049f0| 6f 75 72 5f 4d 61 70 20 | 3d 3d 20 4e 55 4c 4c 29 |our_Map |== NULL)|
|00004a00| 0d 20 20 20 20 20 20 50 | 69 67 6d 65 6e 74 2d 3e |.      P|igment->|
|00004a10| 43 6f 6c 6f 75 72 5f 4d | 61 70 20 3d 20 26 57 6f |Colour_M|ap = &Wo|
|00004a20| 6f 64 5f 44 65 66 61 75 | 6c 74 5f 4d 61 70 3b 0d |od_Defau|lt_Map;.|
|00004a30| 20 20 20 20 62 72 65 61 | 6b 3b 0d 0d 20 20 63 61 |    brea|k;..  ca|
|00004a40| 73 65 20 4d 41 4e 44 45 | 4c 5f 50 49 47 4d 45 4e |se MANDE|L_PIGMEN|
|00004a50| 54 3a 0d 20 20 20 20 69 | 66 20 28 50 69 67 6d 65 |T:.    i|f (Pigme|
|00004a60| 6e 74 2d 3e 43 6f 6c 6f | 75 72 5f 4d 61 70 20 3d |nt->Colo|ur_Map =|
|00004a70| 3d 20 4e 55 4c 4c 29 0d | 20 20 20 20 20 20 50 69 |= NULL).|      Pi|
|00004a80| 67 6d 65 6e 74 2d 3e 43 | 6f 6c 6f 75 72 5f 4d 61 |gment->C|olour_Ma|
|00004a90| 70 20 3d 20 26 4d 61 6e | 64 65 6c 5f 44 65 66 61 |p = &Man|del_Defa|
|00004aa0| 75 6c 74 5f 4d 61 70 3b | 0d 20 20 20 20 62 72 65 |ult_Map;|.    bre|
|00004ab0| 61 6b 3b 0d 0d 20 20 63 | 61 73 65 20 52 41 44 49 |ak;..  c|ase RADI|
|00004ac0| 41 4c 5f 50 49 47 4d 45 | 4e 54 3a 0d 20 20 20 20 |AL_PIGME|NT:.    |
|00004ad0| 69 66 20 28 50 69 67 6d | 65 6e 74 2d 3e 43 6f 6c |if (Pigm|ent->Col|
|00004ae0| 6f 75 72 5f 4d 61 70 20 | 3d 3d 20 4e 55 4c 4c 29 |our_Map |== NULL)|
|00004af0| 0d 20 20 20 20 20 20 50 | 69 67 6d 65 6e 74 2d 3e |.      P|igment->|
|00004b00| 43 6f 6c 6f 75 72 5f 4d | 61 70 20 3d 20 26 52 61 |Colour_M|ap = &Ra|
|00004b10| 64 69 61 6c 5f 44 65 66 | 61 75 6c 74 5f 4d 61 70 |dial_Def|ault_Map|
|00004b20| 3b 0d 20 20 20 20 62 72 | 65 61 6b 3b 0d 0d 20 20 |;.    br|eak;..  |
|00004b30| 63 61 73 65 20 41 47 41 | 54 45 5f 50 49 47 4d 45 |case AGA|TE_PIGME|
|00004b40| 4e 54 3a 0d 20 20 20 20 | 69 66 20 28 50 69 67 6d |NT:.    |if (Pigm|
|00004b50| 65 6e 74 2d 3e 43 6f 6c | 6f 75 72 5f 4d 61 70 20 |ent->Col|our_Map |
|00004b60| 3d 3d 20 4e 55 4c 4c 29 | 0d 20 20 20 20 20 20 50 |== NULL)|.      P|
|00004b70| 69 67 6d 65 6e 74 2d 3e | 43 6f 6c 6f 75 72 5f 4d |igment->|Colour_M|
|00004b80| 61 70 20 3d 20 26 41 67 | 61 74 65 5f 44 65 66 61 |ap = &Ag|ate_Defa|
|00004b90| 75 6c 74 5f 4d 61 70 3b | 0d 20 20 20 20 62 72 65 |ult_Map;|.    bre|
|00004ba0| 61 6b 3b 0d 0d 20 20 63 | 61 73 65 20 4d 41 52 42 |ak;..  c|ase MARB|
|00004bb0| 4c 45 5f 50 49 47 4d 45 | 4e 54 3a 0d 20 20 20 20 |LE_PIGME|NT:.    |
|00004bc0| 69 66 20 28 50 69 67 6d | 65 6e 74 2d 3e 43 6f 6c |if (Pigm|ent->Col|
|00004bd0| 6f 75 72 5f 4d 61 70 20 | 3d 3d 20 4e 55 4c 4c 29 |our_Map |== NULL)|
|00004be0| 0d 20 20 20 20 20 20 50 | 69 67 6d 65 6e 74 2d 3e |.      P|igment->|
|00004bf0| 43 6f 6c 6f 75 72 5f 4d | 61 70 20 3d 20 26 4d 61 |Colour_M|ap = &Ma|
|00004c00| 72 62 6c 65 5f 44 65 66 | 61 75 6c 74 5f 4d 61 70 |rble_Def|ault_Map|
|00004c10| 3b 0d 20 20 20 20 62 72 | 65 61 6b 3b 0d 0d 20 20 |;.    br|eak;..  |
|00004c20| 63 61 73 65 20 53 50 4f | 54 54 45 44 5f 50 49 47 |case SPO|TTED_PIG|
|00004c30| 4d 45 4e 54 3a 0d 20 20 | 63 61 73 65 20 47 52 41 |MENT:.  |case GRA|
|00004c40| 44 49 45 4e 54 5f 50 49 | 47 4d 45 4e 54 3a 0d 20 |DIENT_PI|GMENT:. |
|00004c50| 20 63 61 73 65 20 47 52 | 41 4e 49 54 45 5f 50 49 | case GR|ANITE_PI|
|00004c60| 47 4d 45 4e 54 3a 0d 20 | 20 63 61 73 65 20 4f 4e |GMENT:. | case ON|
|00004c70| 49 4f 4e 5f 50 49 47 4d | 45 4e 54 3a 0d 20 20 63 |ION_PIGM|ENT:.  c|
|00004c80| 61 73 65 20 4c 45 4f 50 | 41 52 44 5f 50 49 47 4d |ase LEOP|ARD_PIGM|
|00004c90| 45 4e 54 3a 0d 20 20 20 | 20 69 66 20 28 50 69 67 |ENT:.   | if (Pig|
|00004ca0| 6d 65 6e 74 2d 3e 43 6f | 6c 6f 75 72 5f 4d 61 70 |ment->Co|lour_Map|
|00004cb0| 20 3d 3d 20 4e 55 4c 4c | 29 0d 20 20 20 20 20 20 | == NULL|).      |
|00004cc0| 50 69 67 6d 65 6e 74 2d | 3e 43 6f 6c 6f 75 72 5f |Pigment-|>Colour_|
|00004cd0| 4d 61 70 20 3d 20 26 47 | 72 61 79 5f 44 65 66 61 |Map = &G|ray_Defa|
|00004ce0| 75 6c 74 5f 4d 61 70 3b | 0d 20 20 20 20 62 72 65 |ult_Map;|.    bre|
|00004cf0| 61 6b 3b 0d 20 20 7d 0d | 0d 20 20 72 65 74 75 72 |ak;.  }.|.  retur|
|00004d00| 6e 3b 20 20 20 0d 20 20 | 7d 0d 00 00 00 00 00 00 |n;   .  |}.......|
|00004d10| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00004d20| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00004d30| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00004d40| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00004d50| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00004d60| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00004d70| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00004d80| 00 00 01 00 00 00 01 6e | 00 00 00 6e 00 00 00 3e |.......n|...n...>|
|00004d90| 45 4e 29 0d 20 20 20 20 | 20 20 20 4e 65 77 2d 3e |EN).    |   New->|
|00004da0| 54 79 70 65 20 3d 20 43 | 48 45 43 4b 45 52 5f 50 |Type = C|HECKER_P|
|00004db0| 09 50 49 47 4d 45 4e 54 | 2e 43 02 00 00 00 54 45 |.PIGMENT|.C....TE|
|00004dc0| 58 54 4d 50 53 20 01 08 | ff ff ff ff 00 00 00 00 |XTMPS ..|........|
|00004dd0| 00 00 54 45 58 54 4d 50 | 53 20 01 08 ff ff ff ff |..TEXTMP|S ......|
|00004de0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00004df0| 00 00 a8 c3 a8 60 00 00 | 4c 8a 00 00 01 ac 53 45 |.....`..|L.....SE|
|00004e00| 0d 0d 20 20 20 20 20 43 | 41 53 45 20 28 48 45 58 |..     C|ASE (HEX|
|00004e10| 41 47 4f 4e 5f 54 4f 4b | 45 4e 29 0d 20 20 20 20 |AGON_TOK|EN).    |
|00004e20| 20 20 20 4e 65 77 2d 3e | 54 79 70 65 20 3d 20 48 |   New->|Type = H|
|00004e30| 45 58 41 47 4f 4e 5f 50 | 49 47 4d 45 4e 54 3b 0d |EXAGON_P|IGMENT;.|
|00004e40| 20 20 20 20 20 20 20 4e | 65 77 2d 3e 43 6f 6c 6f |       N|ew->Colo|
|00004e50| 75 72 5f 4d 61 70 20 3d | 20 50 61 72 73 65 5f 43 |ur_Map =| Parse_C|
|00004e60| 6f 6c 6f 75 72 5f 4c 69 | 73 74 28 33 29 3b 0d 20 |olour_Li|st(3);. |
|00004e70| 20 20 20 20 20 20 45 58 | 49 54 0d 20 20 20 20 20 |      EX|IT.     |
|00004e80| 00 00 00 48 00 09 4d 6f | 6e 61 63 6f 00 2a 2a 2a |...H..Mo|naco.***|
|00004e90| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00004ea0| 2a 0d 2a 20 20 20 00 06 | 00 04 00 3c 00 24 01 dd |*.*   ..|...<.$..|
|00004eb0| 02 3d 00 3c 00 24 01 dd | 02 3d a8 c3 a8 60 00 00 |.=.<.$..|.=...`..|
|00004ec0| 00 00 00 00 00 00 00 00 | 00 00 01 00 00 00 00 1e |........|........|
|00004ed0| 00 3c 00 24 01 dd 02 3d | 00 3c 00 24 01 dd 02 3d |.<.$...=|.<.$...=|
|00004ee0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00004ef0| 01 00 00 00 01 6e 00 00 | 00 6e 00 00 00 3e 00 8d |.....n..|.n...>..|
|00004f00| 3b f8 18 3e 00 00 00 1c | 00 3e 00 00 4d 50 53 52 |;..>....|.>..MPSR|
|00004f10| 00 01 00 0a 03 ed ff ff | 00 00 00 00 00 00 00 00 |........|........|
|00004f20| 03 f0 ff ff 00 00 00 4c | 00 8f 98 18 00 00 00 00 |.......L|........|
|00004f30| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00004f40| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00004f50| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00004f60| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00004f70| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
+--------+-------------------------+-------------------------+--------+--------+