@Luos_83 Can you have particles spawn in a specified non conform area, like the shape of a crystal. And can you make particles destroy themselves when they move out of that area?
-
This yes - I actually just made a system for this which also accepts vertex animation textures and particles will find the closest path in the texture to use. Houdini also has tools for baking out particle simulations to lookup textures - it's essentially as Jan describes though
You can use one texture to represent the volume of your shape (grid or scattered points in your shape) and then just have each mesh particle pick a random pixel from that texture. You can then do whatever you want in the vertex shader from there
