There is no 'black hole' primitive in this studio, and there never will be. This one is built out of parts you can open and read: pull everything within reach, destroy whatever touches me, count what I have swallowed, glow brighter as I feed, throw out a spray each time, and when I am full, collapse. Fourteen nodes, wired in the property editor, running live inside the solver. Open it — the button is in the inspector — and change the numbers while it runs.
Drag objects to interact · scroll to zoom · simulated live on a real physics engine