How much a smoke plume dims the sun at a ground point, 0…1: a Gaussian plume from a source of
strength (sum of smoke weights) at (sx, sz), carried by wind (wx, wz), widening downwind.
Exposed as Wildfire.smokeOcclusionAt; cheap enough to call per frame.
How much a smoke plume dims the sun at a ground point, 0…1: a Gaussian plume from a source of
strength(sum of smoke weights) at (sx,sz), carried by wind (wx,wz), widening downwind. Exposed as Wildfire.smokeOcclusionAt; cheap enough to call per frame.