Use attractor + nodes

[alekhinen]

• Adds in different modes (full-body attractor, hand-only attractor)
• Have hand states change attraction, repulsion
• Dynamic changing of nodes
• Ambient movement of nodes?
• Layer per user?
• Shapes of the nodes are affected by the sound?

[alekhinen]

New branch for this: https://github.com/alekhinen/Capstone/tree/attractor. Frame rate for one user is ~40, drops to ~15 with two.

[alekhinen]

https://github.com/alekhinen/Capstone/pull/20