physicsWorld(_:didUpdate:)
Tells the delegate that new information is available about an ongoing contact.
Declaration
optional func physicsWorld(_ world: SCNPhysicsWorld, didUpdate contact: SCNPhysicsContact)Parameters
- world:
The physics world that is processing the contact.
- contact:
An object that describes the contact.
Discussion
SceneKit calls this method on each step of the physics simulation (see the timeStep property) if information about the contact changes—for example, if two bodies are sliding against one another.