SpriteKit Swift3触及了SKNode

Question

I'm trying to get condition of touched location in SceneKit. I'm touching SpriteKit objects and wrote that code to get SKnode object:

class GameViewController: UIViewController , SCNSceneRendererDelegate {

var overlay: SKScene!

...

override public func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent!) {

   for touch: AnyObject in touches {
        let location: CGPoint  = touch.location(in: overlay)
        let touchedNode: SKNode = overlay.nodes(at: location

        if(touchedNode.name == "WalkAnimationButton") {

            self.tap()
        }
        else if(touchedNode.name == "CameraButton") {

            sceneView.allowsCameraControl = true
        }
        else if(touchedNode.name == "WrenchButton") {

            sceneView.showsStatistics = true
        }
        else if(touchedNode.name == "CharacterButton") {
            if(currentCharacter < characterPaths.count-1) {
                currentCharacter = currentCharacter+1
            }
            else{
                currentCharacter = 0
            }
        }

    }

    self.setCharacterFromModelWithName(name: characterPaths[currentCharacter] as! NSString)
}

Xcode wrote that error which i've never faced before:
Cannot convert value of type '[SKNode]' to specified type 'SKNode'

Answer 1

To call the touched node we should use that code:

let touchedNode: SKNode = overlay.atPoint(location)

Because we calling name of SpriteKit object, which is using as member of SKNode class.