Pinball machine

2D square well
	depth (energy)
	dimension x,y

ball
        position
		x
		y
	size
		width
		height
	momentum
		x
		y
	mass
	wave squared
	wave
		eigenfunctions

	particle
		position
		momentum

detector
	position
		x
		y
	size
		width
		height

	(detectors)
	hole in bottom

	flippers

	bumpers

h
	slider control

score

player
	name

time

position

USE CASES
start ball
ball hits flipper(while active)
ball hits bumper
ball falls thru
change h (slider)
time increments - refresh
start game
game over