How to get SKSpriteNode name?

问题

I'm working with this code I've found and trying to figure out how to get the node names for my objects?

Here's part of the code:

let sprite1 = SKSpriteNode(color: UIColor.redColor(), size: CGSize(width: 30, height: 30))
let sprite2 = SKSpriteNode(color: UIColor.greenColor(), size: CGSize(width: 30, height: 30))
let sprite3 = SKSpriteNode(color: UIColor.blueColor(), size: CGSize(width: 30, height: 30))
let sprite4 = SKSpriteNode(color: UIColor.yellowColor(), size: CGSize(width: 30, height: 30))

var selected: [UITouch: SKNode] = [:]

override func touchesBegan(touches: NSSet, withEvent event: UIEvent) {
    /* Called when a touch begins */

    selected = [:]
    for touch: AnyObject in touches {
        let location = touch.locationInNode(self)
        selected[touch as UITouch] = nodeAtPoint(location)

        println(self.name)
    }
}

What I'm trying to achieve is to get the println to return the SKSprintNode name (sprite1, sprite2, sprite3 or sprite4)... I've tried several things, bit all I get is ´nil´.

Is this possible?

Added:

So, to follow up, how can I detect whether the touch is within my objects? Here's some more code:

override func touchesEnded(touches: NSSet, withEvent event: UIEvent) {
    for touch: AnyObject in touches {
        let location = touch.locationInNode(self)

        for (touch, node) in selected{
            if !contains(SKScene, node){
                let action = SKAction.moveTo(location, duration: 0.1)
                node.runAction(SKAction.repeatAction(action, count: 1))
            }
        }

    }
}

With the if !contains(SKScene, node) (which is not working, can't test on SKScene) I want to detect if the touch was on the object or outside.. If outside (touch is SKScene) I don't want to do anything..

The reason I want to do it this way and not test on let names as i.e sprite1 is that I'm planning to make all SKSpriteNode programmatically, so I don't necessary know the name of the node-object..

Any suggestions?

回答1:

You are setting the name of the variable, but you are not setting the name of the SKSpriteNode. It should be:

 sprite1.name = @"sprite1";

Follow suit for the rest of your sprites.

Another thing I noticed is that you call self.name. I am pretty sure self refers to the scene, if that is where this code is located. Instead, you should save the selected as an SKSpriteNode and call selected.name.

来源：https://stackoverflow.com/questions/27281640/how-to-get-skspritenode-name

标签

swift

sprite-kit

skspritenode