updated gdc demo
updated gdc demo
updated gdc demo
pixels no longer used to determine bounds, only during window resize
each actor responsible for correcting own position
added active/inactive state for actors (so they can be reused)
projectiles set up with collision detection
using minified Box2D in production
added reference to Box2D in physics wrapper class
added shield meter interface
removed debug of shields
added audio
Merge branch 'gh-pages'
Merge branch 'master' of https://github.com/Verold/demos