How do you tell if a node is on the screen spritekit swift

Question

I am trying to figure out how to determine if a node is visible on the screen or off the screen. Is this just a true/false property of the node? Thanks. (Using swift spritek

Answer 1

the best answer here will be:

if scene.frame.contains(myNode.position) {
//do stuff
}

"intersect" method is very heavy and involves too much computing, can produce lag if used on many instances