+
−# Wavefron .obj file loader
+
−
+
−from raytracer import Triangle, NormalVertex
+
−
+
−def 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)