Godrays effect. Ported from medium.com/community-play-3d/god-rays-whats-that-5a67f26aeac2. Which is based on: developer.nvidia.com/gpugems/GPUGems3/gpugems3_ch13.html
Requires a light mask, change the color of the light area of the mask to change the color of the Godrays.
Set light position relative to location withing Sprite or layer (0-1 value.)
See example for usage.
Also try using the effect on a layer instead of a sprite.
For lower quality, but higher performance versions of this effect see:
(Original version is 100 sample, also have 50 sample and 25 sample versions on github.)