1 from raytracer import Triangle, NormalVertex

     2 

     3 def LoadWavefrontObjFile(rt, filename, mat, scale):

     4 	vertices = []

     5 	fp = file(filename)

     6 	while True:

     7 		ln = fp.readline()

     8 		if ln == "":

     9 			break;

    10 		ln = ln.split()

    11 		if ln[0] == "v":

    12 			v = [scale*float(x) for x in ln[1:4]]

    13 			vertices.append(tuple(v))

    14 		if ln[0] == "f":

    15 			f = [vertices[int(x)-1] for x in ln[1:4]]

    16 			face = Triangle(NormalVertex(f[0]), NormalVertex(f[1]), NormalVertex(f[2]), mat)

    17 			rt.addshape(face)