added Python binding for material.h classes
added raytracermodule.h header file for declarations
updated car.py demo
added texture.py demo (based on spheres_glass.py)
all remaining 'centre' changed to more common 'center'
added some more const's to material.h
#!/usr/bin/python
# this demo needs dragon model from
# http://graphics.stanford.edu/data/3Dscanrep/
from pyrit import *
from plyreader import LoadStanfordPlyFile
rt = Raytracer()
top = KdTree()
rt.setTop(top)
rt.setCamera(Camera())
mat = Material(colour=(0.9, 0.9, 0.9))
mat.setSmooth(True)
LoadStanfordPlyFile(rt, "../models/ply/dragon/dragon_vrip_res2.ply",
mat, scale=(-29.0, 29.0, -29.0), trans=(0.0, -3.6, 0.0))
light1 = Light(position=(-5.0, 2.0, 8.0), colour=(0.9, 0.3, 0.2))
rt.addLight(light1)
light2 = Light(position=(3.0, 0.0, 9.0), colour=(0.0, 1.0, 0.2))
rt.addLight(light2)
top.optimize()
sampler = DefaultSampler(800, 600)
rt.setSampler(sampler)
rt.render()
sampler.getPixmap().writePNG('dragon.png')