Rendering学習日記

• Fujiyama Renderer
• 2013.02.10 Sunday

「数学のいずみ」を参考にしました。ありがとうございます。


球体によるばね状トーラス。'pixelsamples', 12, 12すると時間かかります。 レンダリング時間:1h 21m 15s


以下はPythonサンプル。mathモジュール利用しています。

#!/usr/bin/env python

from math import *

#export PYTHONPATH=$PYTHONPATH:/usr/lib/python2.6/site-packages/:$HOME/Fujiyama-Renderer/bin/

import fujiyama



si = fujiyama.SceneInterface()



#plugins

si.OpenPlugin('ConstantShader')

si.OpenPlugin('PlasticShader')



#Camera

si.NewCamera('cam1', 'PerspectiveCamera')



#Calculate python fujicam.py 0 16 12 0 0 0

si.SetSampleProperty3('cam1', 'rotate', -53.13, 0, 0, 0) #4

si.SetSampleProperty3('cam1', 'translate', 0, 16, 12, 0) #4

si.SetProperty1('cam1', 'fov', 23)



#Light

si.NewLight('light1', 'SphereLight')

si.SetProperty3('light1', 'translate', 0, 10, 10)

si.SetProperty3('light1', 'scale', .5, .5, .5)

si.SetProperty1('light1', 'intensity', 1)

si.SetProperty1('light1', 'sample_count', 16)



si.NewLight('light2', 'SphereLight')

si.SetProperty3('light2', 'translate', -5, 0, 10)

si.SetProperty3('light2', 'scale', .5, .5, .5)

si.SetProperty1('light2', 'intensity', 1)

si.SetProperty1('light2', 'sample_count', 16)



#Texture

si.NewTexture('tex1', '../mip/pisa.mip')



#Shader

si.NewShader('dome_shader', 'ConstantShader')

si.AssignTexture('dome_shader', 'texture', 'tex1')



si.NewShader('floor_shader', 'PlasticShader')

si.SetProperty3('floor_shader', 'diffuse', .2, .25, .3)



intensity = 0

si.NewShader('sphere_shader', 'PlasticShader')

si.SetProperty3('sphere_shader', 'diffuse', intensity, intensity, intensity)

si.SetProperty1('sphere_shader', 'ior', 40)



#Mesh

si.NewMesh('dome_mesh', '../mesh/dome.mesh')

si.NewMesh('floor_mesh', '../mesh/floor.mesh')

si.NewMesh('sphere_mesh', '../mesh/sphere.mesh')





#ObjectInstance

si.NewObjectInstance('dome1', 'dome_mesh')

si.SetProperty3('dome1', 'rotate', 0, 0, 0)



j=0

spname=[]

MyCounter = -15*pi

while (MyCounter <= 15*pi):

    spname.append('sphere'+str(j))

    si.NewObjectInstance('sphere'+str(j), 'sphere_mesh')

    si.AssignShader('sphere'+str(j), 'sphere_shader' )

    si.SetProperty3('sphere'+str(j), 'translate', (3+0.9*cos(1.11*MyCounter))*cos(0.1*MyCounter),0.9*sin(1.11*MyCounter),(3+0.9*cos(1.11*MyCounter))*sin(0.1*MyCounter))

    si.SetProperty3('sphere'+str(j), 'scale', 0.25,0.25,0.25)

    MyCounter = MyCounter + 0.5

    j+=1





#si.SetProperty3('dome1', 'scale', -.5, .5, .5)

si.SetProperty3('dome1', 'scale', -2, 2, 2)

si.AssignShader('dome1', 'dome_shader')



si.NewObjectInstance('floor1', 'floor_mesh')

si.SetProperty3('floor1', 'scale', 50, 50, 50)

si.SetProperty3('floor1', 'translate', 0, -1, 0)

si.AssignShader('floor1', 'floor_shader')



#ObjectGroup

si.NewObjectGroup('group1')

for i in spname:

    si.AddObjectToGroup('group1', i)



for i in spname:

    si.AssignObjectGroup(i, 'shadow_target', 'group1')

si.AssignObjectGroup('floor1', 'shadow_target', 'group1')



#FrameBuffer

si.NewFrameBuffer('fb1', 'rgba')



#Renderer

si.NewRenderer('ren1')

si.AssignCamera('ren1', 'cam1')

si.AssignFrameBuffer('ren1', 'fb1')

si.SetProperty2('ren1', 'resolution', 512, 384)

#si.SetProperty2('ren1', 'resolution', 160, 120)

si.SetProperty2('ren1', 'pixelsamples', 12, 12)



#Rendering

si.RenderScene('ren1')



#Output

si.SaveFrameBuffer('fb1', '../povsp40.fb')



#Run commands

si.Run()

#si.Print()

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