衰减
Parameters are accessed with C4DAtom::GetParameter() / C4DAtom::SetParameter() 。见 Parameter IDs .
Parameter: Falloff Matrix
GV_MG_FALLOFF_MATRIX
Parameter: Sample Position
GV_MG_FALLOFF_POSITION
Parameter: Normal Direction
GV_MG_FALLOFF_NORMAL
Parameter: UVW Coordinate
GV_MG_FALLOFF_UVW
Parameter: Array Size
GV_MG_FALLOFF_ITERATIONCOUNT
Parameter: 索引
GV_MG_FALLOFF_ITERATION
Parameter: 值
GV_MG_FALLOFF_VALUE
Parameter: 颜色
GV_MG_FALLOFF_COLOR
Parameter: Direction
GV_MG_FALLOFF_DIRECTION