Cherr Skees questions

• SKSpriteNode subclassing swift
• SCNPhysicsWorld Error
• Sorting one array in the same order as another array
• Sprite Kit Physics Collision Issue
• SceneKit Update Method for Physics Simulation
• In-app purchase testing mzfinance.InAppBuyLoginRequired_message (sandbox)
• Animated Images in a UIButton
• Performing your own physics calculations for a collision in Sprite Kit

Cherr Skees answers