Fastest/most efficient way to render a simple round (non-penetrating) drop shadow under a Mesh?

[Lawrence3DPK]

@Chaser_Code

Bind plane under mesh with round shadow textute

This could work if the ground is completely flat, however it sounds like the “platforms” are elevated and may all be at differing heights, one option could be to implement something similar to @prisoner849 ‘s example here LightNoise (selective bloom + noise) on the platform material?