MouseEvent callback lag with mesh selection

[arcman7]

So also I’m looking at some of the solutions here that claim to use GPU for picking -

GPU picking demo

Hi @kikoshoung This is amazing. Would this approach generally work in a complex scene? Is it possible that the index mapped color is the same as for example tree or grass in the scene?

In particular, these two:

Babylon.js Playground

Babylon.js Playground

Can someone explain exactly what the concepts & principals are behind these two examples?