ignore web-export
working version in Javascript
added scroll. removed world boundaries
parametrized ball color and wall color, and introduced some other minor tweaks
added template
minor tweaks
nicely center the app
balls have random color and random initial position
balls of the same color are removed when they collide with each other
walls get the color of the balls they collide with
walls disappear when they have been touched by at least one ball of each color
display score
inverted wall color behavior
added sound
set hit sound volume according to collision impulse
Revert "inverted wall color behavior"

This reverts commit 2daa5f5e7dbac89794c2aa99e08241fe39b8b7c8.
added wall break sound
fixed ball sound
fade out effect for broken walls
get score from collision between balls