Dirt Shader
Parameters are accessed with C4DAtom::GetParameter() / C4DAtom::SetParameter() 。见 Parameter IDs .
Parameter: Ray Bias
SLA_DIRTY_RAY_BIAS
Parameter: Maximum Distance
SLA_DIRTY_MAX_DISTANCE
Parameter: Number of Rays
SLA_DIRTY_NUM_RAYS
Parameter: Spread
SLA_DIRTY_SPREAD
Parameter: 对比度
SLA_DIRTY_CONTRAST