EngineDesign.txt

transform
    point
    rotation

collisionBody
    size
    type //rectangle or sphere
    isInBounds()

physics
    vector //velocity and direction
    addVector()
    update() //move

spriteRenderer
    render()

InputManager
    SubscribeKey
        a..zA..Z0..9...
    ListenForKey

MouseManager
    SubscribeMouse
        mousemove
        mouseclick
        mouserightclick
    ListenForMouse

GameManager
    SubscribeEvent
    ListenForEvent