SceneKit iOS 12.0 Beta 1 to Beta 2 API Differences

SCNPhysicsBody.h

Added -[SCNPhysicsBody setResting:]

Added SCNPhysicsBody.continuousCollisionDetectionThreshold

Added SCNPhysicsBody.centerOfMassOffset

Added SCNPhysicsBody.linearSleepingThreshold

Added SCNPhysicsBody.angularSleepingThreshold