The handle of post-process Mask
The color of mask effect,xyzw in float4 represents color's rgba by order.
How full the effect is.
Smooth transition of mask from edge to center.
Post processing start working and enter to screen time. [Default(0.1)]
Post processing stop working and exit from screen time. [Default(0.15)]
Play playing post effect mask. This method can be called on Client mode or Server mode.
Stop playing post effect mask. This method can be called on Client mode or Server mode.