Drop coins and hearts on death
Adjust damping
Give actorcontext access to stats object
Dedicated controller for hearts
Give coins and time for picking up a coin
Play sound when collision occurs
Make atWall and onGround only return true if the actor is still alive
Give actorcontext access to the camera
Add bigball and rocket actors
Add clock icon to HUD
Make projectiles pass through hearts
Make projectiles expire and silent if out of range
Only call non-death events when the actor is alive
Support portal win condition