def generateLight(_lsType, _scene, _goboTex):
"""docstring for generateLight"""
lh = createNewLightHandle()
lookAt = Vec3(0.0, -2.0, 0.0)
if _lsType == 0:
apiCall( ILBCreateDirectionalLight(_scene,
"Light",
vecmath.directionalLightOrientation(Vec3(1.0, -1.0, -1.0)),
ColorRGB(1.0, 1.0, 0.8),
lh))
apiCall( ILBSetCastShadows(lh, True) )
apiCall( ILBSetShadowSamples(lh, 32) )
apiCall( ILBSetShadowAngle(lh, 0.1) )
elif _lsType == 1:
# point light
apiCall( ILBCreatePointLight(_scene,
"Light",
vecmath.translation(Vec3(-1.0, 1.0, 1.0)),
ColorRGB(3.0, 3.0, 2.0),
lh))
apiCall( ILBSetCastShadows(lh, True) )
apiCall( ILBSetShadowSamples(lh, 32) )
apiCall( ILBSetShadowRadius(lh, 1.0) )
# set a quadratic falloff
apiCall( ILBSetFalloff(lh, ILB_FO_EXPONENT, 2.0, 20.0, True))
elif _lsType == 2:
# spot light
pos = Vec3(-1.0, 1.0, 1.0)
spotMatrix = vecmath.setSpotlightMatrix(pos, lookAt-pos)
apiCall( ILBCreateSpotLight(_scene,
"Light",
spotMatrix,
ColorRGB(3.0, 3.0, 2.0),
lh))
apiCall( ILBSetCastShadows(lh, True) )
apiCall( ILBSetShadowSamples(lh, 32) )
apiCall( ILBSetShadowRadius(lh, 1.0) )
coneAngle = M_PI/3.0
apiCall(ILBSetSpotlightCone(lh, coneAngle, 0.1, 2.0))
elif _lsType == 3:
# window light
pos = Vec3(-1.0, 1.0, 1.0)
matrix = vecmath.setAreaLightMatrix(pos,
lookAt-pos,
Vec3(0.0, 1.0, 0.0),
Vec2(2.0, 5.0))
apiCall( ILBCreateWindowLight(_scene,
"Light",
matrix,
ColorRGB(3.0, 3.0, 2.0),
lh))
apiCall( ILBSetCastShadows(lh, True) )
apiCall( ILBSetShadowSamples(lh, 32) )
apiCall( ILBSetShadowAngle(lh, 0.1) )
elif _lsType == 4:
#area light
pos = Vec3(-1.0, 1.0, 1.0)
matrix = vecmath.setAreaLightMatrix(pos,
lookAt-pos,
Vec3(0.0, 1.0, 0.0),
Vec2(3.0, 1.0))
apiCall( ILBCreateAreaLight(_scene,
"Light",
matrix,
ColorRGB(0.4, 0.4, 0.3),
lh))
apiCall( ILBSetCastShadows(lh, True) )
apiCall( ILBSetShadowSamples(lh, 32) )
elif _lsType == 5:
# Point light wit ramp
transform = vecmath.scaleTranslation(Vec3(17.0, 17.0, 17.0), Vec3(-1.0, 1.0, 1.0))
apiCall( ILBCreatePointLight(_scene,
"Light",
transform,
ColorRGB(1.0, 1.0, 1.0),
lh))
apiCall( ILBSetCastShadows(lh, True) )
apiCall( ILBSetShadowSamples(lh, 32) )
apiCall( ILBSetShadowRadius(lh, 1.0) )
apiCall( ILBSetFalloff(lh, ILB_FO_EXPONENT, 0.0, 20.0, True) )
# set some random colors in a ramp
rampColors = 10
for i in range(rampColors):
randCol = vecmath.randomRGBA(3.0)
apiCall( ILBSetLightRampEntry(lh, i/(rampColors-1.0), randCol.toColorRGB()))
elif _lsType == 6:
# spot light
pos = Vec3(-1.0, 1.0, 1.0)
spotMatrix = vecmath.setSpotlightMatrix(pos, lookAt - pos)
apiCall( ILBCreateSpotLight(_scene,
"Light",
spotMatrix,
ColorRGB(3.0, 3.0, 2.0),
lh))
apiCall( ILBSetCastShadows(lh, True) )
apiCall( ILBSetShadowSamples(lh, 32) )
apiCall( ILBSetShadowRadius(lh, 1.0) )
apiCall( ILBSetLightProjectedTexture(lh, goboTex) )
coneAngle = M_PI/3.0
apiCall( ILBSetSpotlightCone(lh, coneAngle, 0.1, 2.0) )
return lh