ShimShamSam

/**
 * Negate sideways velocity on an object being acted upon by a Phaser physics engine.
 * The primary use for this is to simulate vehicle movement by negating "drift" when the vehicle turns.
 * @param {Phaser.Sprite} sprite The sprite whose sideways velocity you want to negate
 */
function stopSidewaysVelocity(sprite) {
	// Recycle the same object to conserve memory
	if(!stopSidewaysVelocity.sideways) {
		stopSidewaysVelocity.sideways = {};
	}