Arrow key to select a circle, move it around with WASD, notice collision info
when overlapping with circles, and, nothing when
overlapping with rectangles (not supported yet).
Arrow key to select a circle or a rectangle, move it around with WASD,
notice collision info
when circles overlap or when rectangles overlap.
Does not know how to collide a circle with a rectangle yet.
Move Hero to wall to verify object to set collision is correct.
Type "H" key to re-energize the shapes see them "shoots up" and falls "naturally",
try typing "P" to toggle position correction on/off and observe shapes "sink"
into blocks.