2d character movement in spritekit 3

2d-character-movement-spritekit3.swift

//
//  GameScene.swift
//  cros
//
//  Created by efe ertugrul on 19/06/2017.
//  Copyright © 2017 efe ertugrul. All rights reserved.
//

import SpriteKit
import GameplayKit

class GameScene: SKScene
{
    // MARK:- PROPERTIES
    
    var sagYuru : Bool = false
    var solYuru : Bool = false
    var asagiYuru : Bool = false
    var yukariYuru : Bool = false
    
    var followCamera : SKCameraNode = SKCameraNode()
    
    var sprite : SKSpriteNode = SKSpriteNode.init()

    
    var asagiYuruAnimate : SKAction = SKAction()
    var sagaYuruAnimate : SKAction = SKAction()
    var solaYuruAnimate : SKAction = SKAction()
    var yukariYuruAnimate : SKAction = SKAction()

    
    
    let stopLeftTexture : SKTexture = SKTexture.init(imageNamed: "sag_yuru_0001")
    let stopRightTexture : SKTexture = SKTexture.init(imageNamed: "sol_yuru_0001")
    let stopBottomTexture : SKTexture = SKTexture.init(imageNamed: "asagi_yuru_0001")
    let stopTopTexture : SKTexture = SKTexture.init(imageNamed: "yukari_yuru_0001")
    
    // MARK:- LOAD
    
    override func didMove(to view: SKView)
    {
        followCamera = childNode(withName: "camera") as! SKCameraNode
        
        self.camera = followCamera
        
        let sagYuruF0001 : SKTexture = SKTexture.init(imageNamed: "sag_yuru_0001")
        let sagYuruF0002 : SKTexture = SKTexture.init(imageNamed: "sag_yuru_0002")
        let sagYuruF0003 : SKTexture = SKTexture.init(imageNamed: "sag_yuru_0003")
        let sagYuruF0004 : SKTexture = SKTexture.init(imageNamed: "sag_yuru_0004")
        

        let solYuruF0001 : SKTexture = SKTexture.init(imageNamed: "sol_yuru_0001")
        let solYuruF0002 : SKTexture = SKTexture.init(imageNamed: "sol_yuru_0002")
        let solYuruF0003 : SKTexture = SKTexture.init(imageNamed: "sol_yuru_0003")
        let solYuruF0004 : SKTexture = SKTexture.init(imageNamed: "sol_yuru_0004")
        
        
        let asagiYuruF0001 : SKTexture = SKTexture.init(imageNamed: "asagi_yuru_0001")
        let asagiYuruF0002 : SKTexture = SKTexture.init(imageNamed: "asagi_yuru_0002")
        let asagiYuruF0003 : SKTexture = SKTexture.init(imageNamed: "asagi_yuru_0003")
        let asagiYuruF0004 : SKTexture = SKTexture.init(imageNamed: "asagi_yuru_0004")
        let asagiYuruF0005 : SKTexture = SKTexture.init(imageNamed: "asagi_yuru_0005")
        let asagiYuruF0006 : SKTexture = SKTexture.init(imageNamed: "asagi_yuru_0006")
        let asagiYuruF0007 : SKTexture = SKTexture.init(imageNamed: "asagi_yuru_0007")
        let asagiYuruF0008 : SKTexture = SKTexture.init(imageNamed: "asagi_yuru_0008")
        
        let yukariYuruF0001 : SKTexture = SKTexture.init(imageNamed: "yukari_yuru_0001")
        let yukariYuruF0002 : SKTexture = SKTexture.init(imageNamed: "yukari_yuru_0002")
        let yukariYuruF0003 : SKTexture = SKTexture.init(imageNamed: "yukari_yuru_0003")
        let yukariYuruF0004 : SKTexture = SKTexture.init(imageNamed: "yukari_yuru_0004")
        let yukariYuruF0005 : SKTexture = SKTexture.init(imageNamed: "yukari_yuru_0005")
        let yukariYuruF0006 : SKTexture = SKTexture.init(imageNamed: "yukari_yuru_0006")
        let yukariYuruF0007 : SKTexture = SKTexture.init(imageNamed: "yukari_yuru_0007")
        let yukariYuruF0008 : SKTexture = SKTexture.init(imageNamed: "yukari_yuru_0008")
        
        yukariYuruF0001.filteringMode = .nearest
        yukariYuruF0002.filteringMode = .nearest
        yukariYuruF0003.filteringMode = .nearest
        yukariYuruF0004.filteringMode = .nearest
        yukariYuruF0005.filteringMode = .nearest
        yukariYuruF0006.filteringMode = .nearest
        yukariYuruF0007.filteringMode = .nearest
        yukariYuruF0008.filteringMode = .nearest
        
        asagiYuruF0001.filteringMode = .nearest
        asagiYuruF0002.filteringMode = .nearest
        asagiYuruF0003.filteringMode = .nearest
        asagiYuruF0004.filteringMode = .nearest
        asagiYuruF0005.filteringMode = .nearest
        asagiYuruF0006.filteringMode = .nearest
        asagiYuruF0007.filteringMode = .nearest
        asagiYuruF0008.filteringMode = .nearest
        
        
        
        sagYuruF0001.filteringMode = .nearest
        sagYuruF0002.filteringMode = .nearest
        sagYuruF0003.filteringMode = .nearest
        sagYuruF0004.filteringMode = .nearest
        
        
        solYuruF0001.filteringMode = .nearest
        solYuruF0002.filteringMode = .nearest
        solYuruF0003.filteringMode = .nearest
        solYuruF0004.filteringMode = .nearest
        
        
        let sagYuruFramesArray = [sagYuruF0001, sagYuruF0002, sagYuruF0003, sagYuruF0004]
        let solYuruFramesArray = [solYuruF0001, solYuruF0002, solYuruF0003, solYuruF0004]
        let asagiYuruFramesArray = [asagiYuruF0001, asagiYuruF0002, asagiYuruF0003, asagiYuruF0004, asagiYuruF0005, asagiYuruF0006, asagiYuruF0007, asagiYuruF0008]
        let yukariYuruFramesArray = [yukariYuruF0001, yukariYuruF0002, yukariYuruF0003, yukariYuruF0004, yukariYuruF0005, yukariYuruF0006, yukariYuruF0007, yukariYuruF0008]
        
        
        sprite = SKSpriteNode.init(texture: sagYuruFramesArray[0])
        sprite.position = CGPoint(x: self.frame.midX, y: self.frame.midY)
        

        
        
        self.addChild(sprite)
        
        sagaYuruAnimate = SKAction.animate(with: sagYuruFramesArray, timePerFrame: 0.15)
        solaYuruAnimate = SKAction.animate(with: solYuruFramesArray, timePerFrame: 0.15)
        asagiYuruAnimate = SKAction.animate(with: asagiYuruFramesArray, timePerFrame: 0.15)
        yukariYuruAnimate = SKAction.animate(with: yukariYuruFramesArray, timePerFrame: 0.15)
        
        sprite.setScale(4)
        
    }
    
    // MARK:- CONTROLLER
    
    override func keyUp(with event: NSEvent)
    {
        switch event.keyCode
        {
        case 2:
            sprite.removeAllActions()
            sprite.texture = stopLeftTexture
            self.sagYuru = false
        case 0 :
            sprite.removeAllActions()
            sprite.texture = stopRightTexture
            solYuru = false
        case 1 :
            sprite.removeAllActions()
            sprite.texture = stopBottomTexture
            asagiYuru = false
        case 13 :
            sprite.removeAllActions()
            sprite.texture = stopTopTexture
            yukariYuru = false
        default:break
            
        }
    }
    
    override func keyDown(with event: NSEvent)
    {
        // w = 13
        // a = 0
        // s = 1
        // d = 2
        
        /*
         124sag
         123sol
         126yukarı
         125asagi
         */
        
        
        if !sprite.hasActions()
        {
            switch event.keyCode
            {
                case 2:
                    sprite.run(SKAction.repeatForever(sagaYuruAnimate))
                    self.sagYuru = true
                case 0 :
                    sprite.run(SKAction.repeatForever(solaYuruAnimate))
                    solYuru = true
                case 1 :
                    sprite.run(SKAction.repeatForever(asagiYuruAnimate))
                    asagiYuru = true
                case 13 :
                    sprite.run(SKAction.repeatForever(yukariYuruAnimate))
                yukariYuru = true
                default : break
                
            }

        }
        
        print(event.keyCode)
    }
    
    // MARK:- UPDATE
    
    override func update(_ currentTime: TimeInterval)
    {
        followCamera.position = sprite.position
        
        if sagYuru
        {
            sprite.position = CGPoint(x: sprite.position.x + 4, y: sprite.position.y)
        }
        else if solYuru
        {
            sprite.position = CGPoint(x: sprite.position.x - 4, y: sprite.position.y)
        }
        else if asagiYuru
        {
            sprite.position = CGPoint(x: sprite.position.x, y: sprite.position.y - 4)
        }
        else if yukariYuru
        {
            sprite.position = CGPoint(x: sprite.position.x, y: sprite.position.y + 4)
        }

    }
}