GameScene.swift

//
//  GameScene.swift
//  MagicTouch
//
//  Created by Valerie on 18.03.23.
//

import SpriteKit
import GameplayKit

class GameScene: SKScene {
    
    //private var label : SKLabelNode?
    private var magicStick : SKEmitterNode?
    
    override func didMove(to view: SKView) {
        /*
        // Get label node from scene and store it for use later
        self.label = self.childNode(withName: "//helloLabel") as? SKLabelNode
        if let label = self.label {
            label.alpha = 0.0
            label.run(SKAction.fadeIn(withDuration: 2.0))
        }*/
        
        // Create shape node to use during mouse interaction
        let w = (self.size.width + self.size.height) * 0.05
        self.magicStick = SKEmitterNode(fileNamed: "MyParticle.sks")
        
        if let magicStick = self.magicStick {
            //magicStick.run(SKAction.repeatForever(SKAction.rotate(byAngle: CGFloat(Double.pi), duration: 1)))
            magicStick.particleTexture = SKTexture(imageNamed: "magicstick2.png")
            magicStick.run(SKAction.sequence([SKAction.fadeOut(withDuration: 0.5), SKAction.removeFromParent()]))
        }
    }
    
    
    func touchDown(atPoint pos : CGPoint) {
        if let n = self.magicStick?.copy() as! SKEmitterNode? {
            n.position = pos
            self.addChild(n)
        }
    }
    
    func touchMoved(toPoint pos : CGPoint) {
        if let n = self.magicStick?.copy() as! SKEmitterNode? {
            n.position = pos
            self.addChild(n)
        }
    }
    
    func touchUp(atPoint pos : CGPoint) {
        if let n = self.magicStick?.copy() as! SKEmitterNode? {
            n.position = pos
            self.addChild(n)
        }
    }
    
    override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
        for t in touches { self.touchDown(atPoint: t.location(in: self)) }
    }
    
    override func touchesMoved(_ touches: Set<UITouch>, with event: UIEvent?) {
        for t in touches { self.touchMoved(toPoint: t.location(in: self)) }
    }
    
    override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent?) {
        for t in touches { self.touchUp(atPoint: t.location(in: self)) }
    }
    
    override func touchesCancelled(_ touches: Set<UITouch>, with event: UIEvent?) {
        for t in touches { self.touchUp(atPoint: t.location(in: self)) }
    }
    
    
    override func update(_ currentTime: TimeInterval) {
        // Called before each frame is rendered
    }
}