| activeLightIndex | The index into the active light array. | 
| splitIndex | The cascade index. | 
| splitCount | The number of cascades. | 
| splitRatio | The cascade ratios. | 
| shadowResolution | The resolution of the shadowmap. | 
| shadowNearPlaneOffset | The near plane offset for the light. | 
| viewMatrix | The computed view matrix. | 
| projMatrix | The computed projection matrix. | 
| shadowSplitData | The computed cascade data. | 
bool If false, the shadow map for this cascade does not need to be rendered this frame.
Calculates the view and projection matrices and shadow split data for a directional light.
See Also: ShadowSplitData.