def drawScene(ri, zpos=0, yoffset=0):
ri.AttributeBegin()
ri.Attribute('identifier', {'name': 'torus'})
ri.TransformBegin()
ri.Translate(-1.7, 0.5 + yoffset, zpos + 0.1)
ri.Rotate(45, 0, 1, 0)
ri.Scale(0.2, 0.2, 0.2)
ri.Torus(1.00, 0.5, 0, 360, 360)
ri.TransformEnd()
ri.AttributeEnd()
ri.AttributeBegin()
ri.Attribute('identifier', {'name': 'teapot'})
ri.TransformBegin()
ri.Translate(-1, yoffset, zpos)
ri.Rotate(-90, 1, 0, 0)
ri.Scale(0.15, 0.15, 0.15)
ri.Geometry('teapot')
ri.TransformEnd()
ri.AttributeEnd()
ri.AttributeBegin()
ri.Attribute('identifier', {'name': 'sphere'})
ri.TransformBegin()
ri.Translate(0, 0.3 + yoffset, zpos)
ri.Sphere(0.3, -1, 1, 360)
ri.TransformEnd()
ri.AttributeEnd()
ri.AttributeBegin()
ri.Attribute('identifier', {'name': 'cube'})
drawCube(ri,
x=1.0,
y=0.25 + yoffset,
z=zpos,
ry=45.0,
sx=0.5,
sy=0.5,
sz=0.5)
ri.AttributeEnd()
ri.AttributeBegin()
ri.TransformBegin()
ri.Attribute('identifier', {'name': 'disk'})
ri.Translate(1.8, 0.5 + yoffset, zpos)
ri.Scale(0.4, 0.4, 0.4)
ri.Disk(0, 1, 360)
ri.TransformEnd()
ri.AttributeEnd()
'color C1': [0.0, 1.0, 0.0],
'color C2': [1.0, 0.0, 0.0],
'float repeat': [3]
})
ri.Displace(
'PxrDisplace', 'displace1', {
'uniform float dispAmount': [0.02],
'reference float dispScalar': ['tileShader:resultF']
})
# first teapot
ri.AttributeBegin()
# the colour from the shader is driven by noise, metallic by the noise green channel via the noiseToFloat
drawCube(ri, x=-1, y=0.5, ry=-45, sx=0.5, sy=0.5, sz=0.5)
ri.AttributeEnd()
# second teapot
ri.Bxdf('PxrDisney', 'bxdf',
{'reference color baseColor': ['tileShader:resultRGB']})
drawCube(ri, y=0.5, ry=-45, sx=0.5, sy=0.5, sz=0.5)
# third teapot
ri.Bxdf('PxrDisney', 'bxdf',
{'reference color baseColor': ['tileShader:resultRGB']})
drawTeapot(ri, x=1, ry=-45)
# floor
ri.TransformBegin()
ri.Pattern(
ri.Attribute ("trace" ,{"int displacements" : [ 1 ]})
ri.Attribute ("displacementbound", {"float sphere" : [30], "string coordinatesystem" : ["shader"]})
ri.Bxdf( 'PxrDisney','bxdf', {'reference color baseColor' : ['tileShader:resultRGB'] })
ri.Pattern('tile','tileShader', { 'color C1' : [0.0 ,1.0,0.0],
'color C2' : [1.0 ,0.0,0.0],
'float repeat' : [3]})
ri.Displace('PxrDisplace', 'displace1' ,{'uniform float dispAmount' : [0.02], 'reference float dispScalar' : ['tileShader:resultF']})
# first teapot
ri.AttributeBegin()
# the colour from the shader is driven by noise, metallic by the noise green channel via the noiseToFloat
drawCube(ri,x=-1,y=0.5,ry=-frame,sx=0.5,sy=0.5,sz=0.5)
ri.AttributeEnd()
ri.Pattern("tile","tileShader", {"color C1" : [0.0 ,1.0,0.0],
"color C2" : [1.0 ,0.0,0.0],
"float repeat" : [3]})
# second teapot
drawCube(ri,y=0.5,rx=frame,ry=-45,sx=0.5,sy=0.5,sz=0.5)
# third teapot
drawTeapot(ri,x=1,ry=frame)
# floor
ri.TransformBegin()
ri.Pattern("tile","tileShader", {"color C1" : [1.0 ,1.0,1.0],
"color C2" : [1.0 ,0.0,0.0],