I'm working on a simple game - one that involves water. Up until current I've just been using a circle mesh with the water filter applied to it - but I'd like to offer more dynamic puddles then that, as those get old after awhile. To do so, I'd like to look at ways to produce dynamically-shaped visible puddles, but I'm not really sure of where to start. Can anyone suggest a way of doing this, either with an asset or via procedural code? Even tutorials would be a helpful thing to locate, but most seem to deal with a 3D object.