Their physics engine doesn't seem related to the bubble toy as far as I can tell (although another HN comment implies it is). The physics engine implements 3D collisions between solid objects, joints, springs, etc. But the bubble toy is a different type of physics.
Their physics engine doesn't seem related to the bubble toy as far as I can tell (although another HN comment implies it is). The physics engine implements 3D collisions between solid objects, joints, springs, etc. But the bubble toy is a different type of physics.