1 #!/usr/bin/python

     2 

     3 from pyrit import *

     4 

     5 rt = Raytracer()

     6 top = KdTree()

     7 rt.setTop(top)

     8 rt.setCamera(Camera(eye=(10,4,-6),lookat=(10,3.5,0)))

     9 

    10 light1 = Light(position=(10.0, 7.0, 3.0), colour=(0.9, 0.3, 0.6))

    11 rt.addLight(light1)

    12 

    13 light2 = Light(position=(8.0, 5.0, 1.0), colour=(0.7, 1.0, 0.3))

    14 rt.addLight(light2)

    15 

    16 light3 = Light(position=(12.0, 8.0, -1.0), colour=(0.8, 0.9, 1.0))

    17 rt.addLight(light3)

    18 

    19 mat0 = Material()

    20 mat0.setTexture(CloudTexture(5, LinearColourMap((0.0, 0.0, 0.5), (0.5, 1.0, 1.0))))

    21 mat0.setReflectivity(0.0)

    22 box = Box(L=(-10.0, 0.0, 50.0), H=(30.0, 1.0, -1.0), material=mat0)

    23 rt.addShape(box)

    24 

    25 mat1 = Material(colour=(1.0, 0.2, 0.1))

    26 mat1.setReflectivity(0.7)

    27 bigsphere = Sphere(center=(12.0, 4.0, 6.0), radius=2.5, material=mat1)

    28 rt.addShape(bigsphere)

    29 

    30 mat2 = Material(colour=(0.1, 0.4, 0.2))

    31 mat2.setReflectivity(0.6)

    32 smallsphere = Sphere(center=(6.5, 3.5, 8.0), radius=2.0, material=mat2)

    33 rt.addShape(smallsphere)

    34 

    35 mat3 = Material(colour=(0.9, 0.9, 1.0))

    36 mat3.setPhong(0.2, 1.0, 0.2)

    37 mat3.setTransmissivity(0.88)

    38 mat3.setReflectivity(0.1)

    39 for i in range(10):

    40 	sph = Sphere(center=(5.0+i, 1.5, 4.0), radius=0.5, material=mat3)

    41 	rt.addShape(sph)

    42 

    43 top.optimize()

    44 

    45 sampler = DefaultSampler(800, 600)

    46 sampler.setOversample(1)

    47 rt.setSampler(sampler)

    48 rt.render()

    49 sampler.getPixmap().writePNG('texture.png')