diff options
Diffstat (limited to 'render_povray/shading.py')
| -rw-r--r-- | render_povray/shading.py | 49 |
1 files changed, 39 insertions, 10 deletions
diff --git a/render_povray/shading.py b/render_povray/shading.py index 42dd2636..c0759184 100644 --- a/render_povray/shading.py +++ b/render_povray/shading.py @@ -93,7 +93,7 @@ def writeMaterial(using_uberpov, DEF_MAT_NAME, scene, tabWrite, safety, comments pass # let's keep things simple for now if material.diffuse_shader == 'LAMBERT' and Level != 3: # trying to best match lambert attenuation by that constant brilliance value - tabWrite("brilliance 1.8\n") + tabWrite("brilliance 1\n") if Level == 2: ###########################Specular Shader###################################### @@ -101,7 +101,7 @@ def writeMaterial(using_uberpov, DEF_MAT_NAME, scene, tabWrite, safety, comments if (material.specular_shader == 'COOKTORR' or material.specular_shader == 'PHONG'): tabWrite("phong %.3g\n" % (material.specular_intensity)) - tabWrite("phong_size %.3g\n" % (material.specular_hardness / 2 + 0.25)) + tabWrite("phong_size %.3g\n" % (material.specular_hardness /3.14)) # POV-Ray 'specular' keyword corresponds to a Blinn model, without the ior. elif material.specular_shader == 'BLINN': @@ -130,9 +130,38 @@ def writeMaterial(using_uberpov, DEF_MAT_NAME, scene, tabWrite, safety, comments #################################################################################### elif Level == 1: - tabWrite("specular 0\n") + if (material.specular_shader == 'COOKTORR' or + material.specular_shader == 'PHONG'): + tabWrite("phong %.3g\n" % (material.specular_intensity/5)) + tabWrite("phong_size %.3g\n" % (material.specular_hardness /3.14)) + + # POV-Ray 'specular' keyword corresponds to a Blinn model, without the ior. + elif material.specular_shader == 'BLINN': + # Use blender Blinn's IOR just as some factor for spec intensity + tabWrite("specular %.3g\n" % (material.specular_intensity * + (material.specular_ior / 4.0))) + tabWrite("roughness %.3g\n" % roughness) + #Could use brilliance 2(or varying around 2 depending on ior or factor) too. + + elif material.specular_shader == 'TOON': + tabWrite("phong %.3g\n" % (material.specular_intensity * 2.0)) + # use extreme phong_size + tabWrite("phong_size %.3g\n" % (0.1 + material.specular_toon_smooth / 2.0)) + + elif material.specular_shader == 'WARDISO': + # find best suited default constant for brilliance Use both phong and + # specular for some values. + tabWrite("specular %.3g\n" % (material.specular_intensity / + (material.specular_slope + 0.0005))) + # find best suited default constant for brilliance Use both phong and + # specular for some values. + tabWrite("roughness %.4g\n" % (0.0005 + material.specular_slope / 10.0)) + # find best suited default constant for brilliance Use both phong and + # specular for some values. + tabWrite("brilliance %.4g\n" % (1.8 - material.specular_slope * 1.8)) elif Level == 3: - tabWrite("specular 1\n") + tabWrite("specular %.3g\n" % ((material.specular_intensity*material.specular_color.v)*5)) + tabWrite("roughness %.3g\n" % (1.1/material.specular_hardness)) tabWrite("diffuse %.3g %.3g\n" % (frontDiffuse, backDiffuse)) tabWrite("ambient %.3g\n" % material.ambient) @@ -982,12 +1011,12 @@ def writeTextureInfluence(mater, materialNames, LocalMaterialNames, path_image, mappingNor =imgMapTransforms(t_nor) if texturesNorm and texturesNorm.startswith("PAT_"): - tabWrite("normal{function{f%s(x,y,z).grey} bump_size %.4g %s}\n" %(texturesNorm, t_nor.normal_factor/10, mappingNor)) + tabWrite("normal{function{f%s(x,y,z).grey} bump_size %.4g %s}\n" %(texturesNorm, t_nor.normal_factor, mappingNor)) else: tabWrite("normal {uv_mapping bump_map " \ "{%s \"%s\" %s bump_size %.4g }%s}\n" % \ (imageFormat(texturesNorm), texturesNorm, imgMap(t_nor), - t_nor.normal_factor/10, mappingNor)) + t_nor.normal_factor, mappingNor)) if texturesSpec != "": tabWrite("]\n") ##################Second index for mapping specular max value############### @@ -1093,11 +1122,11 @@ def writeTextureInfluence(mater, materialNames, LocalMaterialNames, path_image, mappingNor =imgMapTransforms(t_nor) if texturesNorm and texturesNorm.startswith("PAT_"): - tabWrite("normal{function{f%s(x,y,z).grey} bump_size %.4g %s}\n" %(texturesNorm, t_nor.normal_factor/10, mappingNor)) + tabWrite("normal{function{f%s(x,y,z).grey} bump_size %.4g %s}\n" %(texturesNorm, t_nor.normal_factor, mappingNor)) else: tabWrite("normal {uv_mapping bump_map {%s \"%s\" %s bump_size %.4g }%s}\n" % \ (imageFormat(texturesNorm), texturesNorm, imgMap(t_nor), - t_nor.normal_factor/10, mappingNor)) + t_nor.normal_factor, mappingNor)) if texturesSpec != "" and mater.pov.replacement_text == "": tabWrite("]\n") @@ -1169,13 +1198,13 @@ def writeTextureInfluence(mater, materialNames, LocalMaterialNames, path_image, tabWrite("normal{function" \ "{f%s(x,y,z).grey} bump_size %.4g}\n" % \ (texturesNorm, - t_nor.normal_factor/10)) + t_nor.normal_factor)) else: tabWrite("normal {uv_mapping bump_map " \ "{%s \"%s\" %s bump_size %.4g }%s}\n" % \ (imageFormat(texturesNorm), texturesNorm, imgMap(t_nor), - t_nor.normal_factor/10, + t_nor.normal_factor, mappingNor)) tabWrite("}\n") # THEN IT CAN CLOSE LAST LAYER OF TEXTURE |