The first program could be easily converted to most languages and I'm sure the other Blitz's have enough graphics support to be able to draw ovals, turn them into images you can paste to the backbuffer, and draw them in a `lightblend` mode (same as `Add` mode). That would get the first program working. The second program is more complicated using OpenGL calls with specific blending modes, but probably DirectX has similar stuff, I don't know enough about the other Blitz's to say any more than that.
Fast 2D Blobby Objects/Metaballs with Max2D
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