LightDirectionX()
语法
Result = LightDirectionX(#Light [, Mode])概要
Returns the 'x' direction vector of the light.
参数
#Light The light to use. Mode (optional) The mode to get the 'x' direction vector. It can be one of the following value: #PB_Absolute: get the absolute 'x' direction vector of the light in the world (default). #PB_Relative: get the 'x' direction vector of the light relative to its parent.
返回值
The 'x' direction vector of the light. This value is always between -1.0 and 1.0.
参阅
LightDirectionY(), LightDirectionZ(), LightDirection()
已支持操作系统
所有