demos/spheres_shadow.py
author Radek Brich <radek.brich@devl.cz>
Sat, 10 May 2008 14:29:37 +0200
branchpyrit
changeset 95 ca7d4c665531
parent 90 f6a72eb99631
child 96 9eb71e76c7fd
permissions -rwxr-xr-x
build script fixes, add ldflags build option update and enhance demos fix bug in 4x grid oversampling warn if writePNG called while compiled without libpng make shapes in ShapeList const and add many other const needed due to snowball effect slightly optimize Camera::makeRayPacket using _mm_shuffle_ps make Vector SIMD vectorization disabled by default (causes problems) fix bug in implicit reflection of transmissive surfaces, when surface's reflection parameter is set to zero
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e74bf781067e use python-config, strip python version from demos, change [PyRit] to [pyrit] -- should use unix name everywhere
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#!/usr/bin/python
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from pyrit import *
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rt = Raytracer()
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top = KdTree()
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rt.setTop(top)
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rt.setCamera(Camera(eye=(0,1,6)))
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light1 = Light(position=(0.0, 5.0, -5.0), colour=(0.7, 0.3, 0.6))
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rt.addLight(light1)
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light2 = Light(position=(-2.0, 10.0, -2.0), colour=(0.4, 0.6, 0.3))
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rt.addLight(light2)
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mat0 = Material(colour=(0.7, 0.7, 0.7))
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fc18ac4833f2 replace Plane with axis-aligned Box (because infinite Plane is not usable with kd-tree)
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box = Box(L=(-20.0, -1.2, -20.0), H=(20.0, -1.0, 20.0), material=mat0)
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rt.addShape(box)
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mat1 = Material(colour=(1.0, 0.0, 0.0))
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bigsphere = Sphere(centre=(3.0, 2.0, -7.0), radius=3.0, material=mat1)
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rt.addShape(bigsphere)
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mat2 = Material(colour=(0.0, 1.0, 0.0))
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smallsphere = Sphere(centre=(-5.5, 1.5, -8.0), radius=2.0, material=mat2)
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rt.addShape(smallsphere)
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mat3 = Material(colour=(0.0, 0.0, 1.0))
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tinysphere = Sphere(centre=(-1.2, 0.0, -2.0), radius=0.5, material=mat3)
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rt.addShape(tinysphere)
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top.optimize()
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sampler = DefaultSampler(800, 600)
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sampler.setOversample(1)
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rt.setSampler(sampler)
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rt.render()
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sampler.getPixmap().writePNG('spheres_shadow.png')