| activeLightIndex | The index into the active light array. |
| viewMatrix | The computed view matrix. |
| projMatrix | The computed projection matrix. |
| shadowSplitData | The computed split data. |
bool If false, the shadow map for this light does not need to be rendered this frame.
Calculates the view and projection matrices and shadow split data for a spot light.
See Also: ShadowSplitData.