Example
let bodies = (contact.bodyA.categoryBitMask <= contact.bodyB.categoryBitMask) ? (A:contact.bodyA,B:contact.bodyB) : (A:contact.bodyB,B:contact.bodyA)
switch (bodies.A.categoryBitMask,bodies.B.categoryBitMask)
{
case let (a, _) where (a && superPower): //All we care about is if category a has a super power
//do super power effect
fallthrough //continue onto check if we hit anything else
case let (_, b) where (b && superPower): //All we care about is if category b has a super power
//do super power effect
fallthrough //continue onto check if we hit anything else
case let (a, b) where (a && groundBody) && (b && boxBody): //Check if box hit ground
//boxBody hit ground
case let (b, _) where (b && boxBody): //Check if box hit anything else
//box body hit anything else
default:()
}
