Rendering学習日記

• Lightflow(Lightflow python script)
• 2010.08.12 Thursday

Lightflowで立方体を3つ表示し、地面をチェックにする。
チェックは１色だけ変更できました。

#! /usr/bin/env python 



from lightflowPM import * 

from math import * 



s = scene() 



s.lightOn( s.newLight( "point", [ "position", vector3( 5.0, -5.0, 4.0 ), "color", vector3( 300.0, 300.0, 300.0 ) ] ) ) 



s.lightOn( s.newLight( "ambient", [ "color", vector3( 0.3, 0.3, 0.3 ) ] ) ) #環境光を加える。 



plastic = s.newMaterial( "standard",[ "kc", vector3( 1, 0, 0 ) ] ) #赤 



plastic2 = s.newMaterial( "standard",[ "kc", vector3( 0, 1, 0 ) ] ) #緑 



plastic3 = s.newMaterial( "standard",[ "kc", vector3( 0, 0, 1 ) ] ) #青 



check_ground=s.newPattern("check",["color",vector3( 0.2, 0.4, 0.6 ),"scale",0.025]) 



ground=s.newMaterial( "standard",[ "kc", check_ground,"kc",vector3( 1.0, 1.0, 1.0 ),"ka",check_ground ] ) #チェック青と白



#赤box

s.materialBegin( plastic ) 

s.addObject( s.newObject( "box", [ "position",vector3( -1.0, -1.0, -1.0 ),vector3( 1.0, 1.0, 1.0 )] ) ) 

s.materialEnd() 



#緑box

s.materialBegin( plastic2 ) 

s.transformBegin( transform().translation( vector3(-3.0,0,0))) 



s.addObject( s.newObject( "box", [ "position",vector3( -1.0, -1.0, -1.0 ),vector3( 1.0, 1.0, 1.0 )] ) ) 



s.transformEnd() 

s.materialEnd() 



#青box z軸中心に45度回転

s.materialBegin( plastic3 ) 

s.transformBegin( transform().translation( vector3(3.0,0,0))) 

s.transformBegin( transform().rotationAroundZ( pi*45.0/180 )) 



s.addObject( s.newObject( "box", [ "position",vector3( -1.0, -1.0, -1.0 ),vector3( 1.0, 1.0, 1.0 )] ) ) 



s.transformEnd() 

s.transformEnd() 

s.materialEnd() 





#check模様の地面groundをpatchで作成しています。高さ(z軸)を-1.0にしてぴったり立方体とあわせています。 

s.materialBegin( ground ) 



s.addObject( s.newObject( "patch", [ "points",vector3( -50, -50, -1.0 ),vector3( -50, 50, -1.0 ),vector3( 50, -50, -1.0 ),vector3( 50, 50, -1.0 )] ) ) 



s.materialEnd() 



saver = s.newImager( "tga-saver", [ "file", "box_check.tga" ] ) 



s.imagerBegin( saver ) 



camera = s.newCamera( "pinhole", [ "eye", vector3( 0, -10, 5 ), "aim", vector3( 0, 0, 0 ) ] ) 



s.imagerEnd() 



s.render( camera, 300, 300 )

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