Yay, this is much better: big mushrooms getting pushed aside as a whole now using shader position offset. The problem I had with doing this before was the caps folding and crushing because per-vertex the calculation was non-uniform (fine for thin grass, no good for big mushies), but I realised I could use per-instance location data, so all the vertices in an instance can move by the same amount (scaled by height so they bend)

Thanks to @runevision and @bnut for prodding my brain yesterday

@sinbad @bnut Nice, this deformation looks great!

If it was me, I'd make the animation of it much faster, maybe even based on distance to player position directly without time-based animation. Most bendy things will bend back into their neutral state just as fast as you can stop pushing them. So delays give a feel of foamy mattresses or marshmallows, or like they're alive (well, like an animal with muscles, rather than plant). But also a matter of taste of course.