move "smooth" attribute from Triangle to Material
lwo reader enhancements - implement more chunk types, support for smoothing flag and SMAN (smoothing max. angle)
#!/usr/bin/python
# this demo needs buddha model from
# http://graphics.stanford.edu/data/3Dscanrep/
from raytracer import Raytracer, Light, Sphere, Triangle, Material
from plyreader import LoadStanfordPlyFile
import Image
rt = Raytracer()
mat = Material(colour=(0.9, 0.9, 0.9))
mat.setSmooth(True)
LoadStanfordPlyFile(rt, "../models/ply/happy/happy_vrip_res2.ply",
mat, scale=20.0, trans=(0,-3,0))
light = Light(position=(-5.0, 2.0, 8.0), colour=(0.9, 0.3, 0.6))
rt.addlight(light)
imagesize = (800, 600)
data = rt.render(imagesize)
img = Image.fromstring("RGB", imagesize, data)
img.save('buddha.png')