I used to do that, but sampling from a texture seems to be about as expensive as directly calculating the metaball function per fragment. It is cool to see wha

I used to do that, but sampling from a texture seems to be about as expensive as directly calculating the metaball function per fragment. It is cool to see what we can do. That is one of the things I really like about winkerVSbecks' approach. It's interesting and different. Better for some uses, too, which is always nice to see.