initial

2020-06-30 15:20:47 +03:00
parent c8123ca15f
commit 413cad5d3c
21 changed files with 998 additions and 0 deletions
@@ -0,0 +1,128 @@
+//
+//  GameScene.swift
+//  snakegame
+//
+//  Created by Nik Rodionov on 23.06.2020.
+//  Copyright © 2020 nrodionov. All rights reserved.
+//
+
+import SpriteKit
+import GameplayKit
+
+struct CollisionCategories {
+    static let Snake: UInt32 = 1
+    static let SnakeHead: UInt32 = 1 << 1
+    static let Apple: UInt32 = 1 << 2
+    static let EdgeBody: UInt32 = 1 << 3    
+}
+
+class GameScene: SKScene {
+    private let counterClockWiseButtonName = "counterClockwiseButton"
+    private let clockWiseButtonName = "clockwiseButton"
+    private var snake: Snake!
+    
+    override func didMove(to view: SKView) {
+        backgroundColor = .black
+        
+        physicsWorld.gravity = CGVector(dx: 0, dy: 0)
+        
+        physicsBody = SKPhysicsBody(edgeLoopFrom: frame)
+        physicsBody?.allowsRotation = false
+        
+        let counterClockwisePosition = CGPoint(x: frame.minX + 30, y: frame.minY + 30)
+        let clockwisePosition = CGPoint(x: frame.maxX - 80, y: frame.minY + 30)
+        
+        addRotationButton(name: counterClockWiseButtonName, position: counterClockwisePosition)
+        addRotationButton(name: clockWiseButtonName, position: clockwisePosition)
+        
+        snake = Snake(position: CGPoint(x: frame.midX, y: frame.midY))
+        addChild(snake)
+        createApple()
+        
+        physicsWorld.contactDelegate = self
+        
+        physicsBody?.categoryBitMask = CollisionCategories.EdgeBody
+        physicsBody?.collisionBitMask = CollisionCategories.Snake | CollisionCategories.SnakeHead
+    }
+    
+    private func createApple() {
+        let randX = CGFloat.random(in: 0..<frame.maxX - 5)
+        let randY = CGFloat.random(in: 0..<frame.maxY - 5)
+        
+        let apple = Apple(position: CGPoint(x: randX, y: randY))
+        
+        addChild(apple)
+    }
+    
+    private func addRotationButton(name: String, position: CGPoint) {
+        let button = SKShapeNode()
+        button.path = UIBezierPath(ovalIn: CGRect(x: 0, y: 0, width: 45, height: 45)).cgPath
+        
+        button.position = position
+        button.fillColor = .gray
+        button.strokeColor = .gray
+        button.lineWidth = 10
+        button.name = name
+        addChild(button)
+    }
+    
+    override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
+        
+        for touch in touches {
+            let touchLocation = touch.location(in: self)
+            
+            guard let touchedNode = atPoint(touchLocation) as? SKShapeNode else { continue }
+            
+            if touchedNode.name == clockWiseButtonName {
+                touchedNode.fillColor = .green
+                snake.moveClockWise()
+            }
+            else if touchedNode.name == counterClockWiseButtonName {
+                touchedNode.fillColor = .green
+                snake.moveCounterClockWise()
+            }
+        }
+    }
+    
+    
+    override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent?) {
+        for touch in touches {
+            let touchLocation = touch.location(in: self)
+            
+            guard let touchedNode = atPoint(touchLocation) as? SKShapeNode else { continue }
+            
+            if touchedNode.name == clockWiseButtonName {
+                touchedNode.fillColor = .gray
+            }
+            else if touchedNode.name == counterClockWiseButtonName {
+                touchedNode.fillColor = .gray
+            }
+        }
+        
+        // * SKLabelNode - для отображения текста
+    }
+    
+    
+    override func update(_ currentTime: TimeInterval) {
+        // Called before each frame is rendered
+        snake.move()
+    }
+}
+
+extension GameScene: SKPhysicsContactDelegate {
+    func didBegin(_ contact: SKPhysicsContact) {
+        let bytes = contact.bodyA.categoryBitMask | contact.bodyB.categoryBitMask
+        
+        let collisioObject = bytes ^ CollisionCategories.SnakeHead
+        
+        switch collisioObject {
+        case CollisionCategories.Apple:
+            let apple = contact.bodyA.node is Apple ? contact.bodyA.node : contact.bodyB.node
+            snake.addBodyPart()
+            apple?.removeFromParent()
+            createApple()
+        default:
+            break
+        }
+    }
+}