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vardef ppmParamDef params[6];

vardef ppmParamDef params[6];. funcdef ppmScriptType ppmGetScriptType(void). {. ppmScriptIdentifier = "Wood Material";. ppmScriptAuthor = "Pierre Saunier";. ppmScriptVersion = 1.0;. return ppmMaterialScript;. }. funcdef void ppmInit(void). {. vardef ppmPalette palette;.

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vardef ppmParamDef params[6];

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  1. vardef ppmParamDef params[6];

  2. funcdef ppmScriptType ppmGetScriptType(void)

  3. {

  4. ppmScriptIdentifier = "Wood Material";

  5. ppmScriptAuthor = "Pierre Saunier";

  6. ppmScriptVersion = 1.0;

  7. return ppmMaterialScript;

  8. }

  9. funcdef void ppmInit(void)

  10. {

  11. vardef ppmPalette palette;

  12. palette = ppmPaletteNew(intToRgbColor(0xC79600), intToRgbColor(0x794200));

  13. palette.addColor(intToRgbColor(0xC79600), 200);

  14. params[0].type = ppmParamPaletteType;

  15. params[0].name = "Colors:";

  16. params[0].paletteObject = palette;

  17. params[1].type = ppmParamFloatType;

  18. params[1].name = "Rings density:";

  19. params[1].floatValue = 1.0;

  20. params[2].type = ppmParamFloatType;

  21. params[2].name = "Noise frequency:";

  22. params[2].floatValue = 1.0;

  23. params[3].type = ppmParamFloatType;

  24. params[3].name = "Noise amplitude:";

  25. params[3].floatValue = 50.0;

  26. params[4].type = ppmParamVectorType;

  27. params[4].name = "center:";

  28. params[4].vectorObject = vector3dNew();

  29. params[5].type = ppmParamChoiceType;

  30. params[5].name = "Axis:";

  31. params[5].selectOptions = "X axis\nY axis\nZ axis";

  32. params[5].selectedValue = 2;

  33. }

  34. funcdef void ppmGenerateTexture(point3d pos, vector3d normal)

  35. {

  36. vardef ppmPalette palette;

  37. vardef float ringFrequency, frequency, perturbation, len;

  38. vardef vector3d center, p;

  39. vardef int axis;

  40. palette = params[0].paletteObject;

  41. ringFrequency = params[1].floatValue;

  42. frequency = params[2].floatValue;

  43. perturbation = params[3].floatValue;

  44. center = params[4].vectorObject;

  45. axis = params[5].selectedValue;

  46. p = vector3dNew();

  47. switch(axis)

  48. {

  49. case 0 :

  50. p.x = 0;

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