workaround for divide by zero bug in octree
enable oversampling for DefaultSampler
sampler and camera performance enhancements
# Wavefron .obj file loaderfrom raytracer import Triangle, NormalVertexdef LoadWavefrontObjFile(rt, filename, mat, scale): vertices = [] fp = file(filename) while True: ln = fp.readline() if ln == "": break; ln = ln.split() if ln[0] == "v": v = [scale*float(x) for x in ln[1:4]] vertices.append(tuple(v)) if ln[0] == "f": f = [vertices[int(x)-1] for x in ln[1:4]] face = Triangle(NormalVertex(f[0]), NormalVertex(f[1]), NormalVertex(f[2]), mat) rt.addshape(face)