trying out some spatial data structures with a quick-and-dirty 3D engine...
Key Commands:
| key | action |
|---|---|
| w/s | up/down |
| a/d | left/right |
| q/e | in/out |
| i/k | yaw |
| j/l | pitch |
| u/o | roll |
| z/x | zoom |
| c | reset view |
| v | toggle octants |
| b | toggle octants with points |
| n | toggle points |
| m | re-initialize random walk |
