SpriteKit 17 To detect the collision of rigid bodies

Swift3.0 GameScene.swift // // GameScene.swift // SpriteKit017 // // Created by Misato Morino on 2016/09/20. // Copyright © 2016年 Misato Morino. All rights reserved. // import SpriteKit class GameScene: SKScene ,SKPhysicsContactDelegate { private var RedRect : SKShapeNode! private var BlueRect : SKShapeNode! // 衝突に使うBitMask. let redCategory: UInt32 = 0x1 << 0 let blueCategory: UInt32 = 0x1 << 1 override func didMove(to view: SKView) { // Sceneに剛体を設定. self.physicsBody = SKPhysicsBody(edgeLoopFrom: self.frame) // 衝突を検知するdelegateをSKSceneに設定. self.physicsWorld.contactDelegate = self self.name = "Scene" // SKShapeで赤いRectを生成. RedRect = SKShapeNode(rectOf: CGSize(width: 50.0, height: 50.0)) RedRect.position = CGPoint(x: self.frame.midX, y: self.frame.midY) RedRect.fillColor = UIColor.red RedRect.name = "RedRect" // SKShapeで青いRectを生成. BlueRect = SKShapeNode(rectOf: CGSize(width: 100.0, height: 50.0)) BlueRect.position = CGPoint(x: self.frame.midX, y: self.frame.minY + 50) BlueRect.fillColor = UIColor.blue BlueRect.name = "BlueRect" // 剛体を生成. RedRect.physicsBody = SKPhysicsBody(rectangleOf: RedRect.frame.size) BlueRect.physicsBody = SKPhysicsBody(rectangleOf: BlueRect.frame.size) //　自身のカテゴリーを設定. RedRect.physicsBody?.categoryBitMask = redCategory BlueRect.physicsBody?.categoryBitMask = blueCategory //　衝突先のBitMaskを設定. RedRect.physicsBody?.contactTestBitMask = blueCategory BlueRect.physicsBody?.contactTestBitMask = redCategory // sceneにNodeを追加. self.addChild(RedRect) self.addChild(BlueRect) } /* 衝突が検知されたら呼ばれるメソッド */ func didBegin(_ contact: SKPhysicsContact) { print("contactBodyA: \(contact.bodyA.node!.name)") print("contactBodyB: \(contact.bodyB.node!.name)") } } Swift 2.3 GameScene.swift // // GameScene.swift // SpriteKit017 // // Created by Misato Morino on 2016/09/20. // Copyright © 2016年 Misato Morino. All rights reserved. // import SpriteKit class GameScene: SKScene ,SKPhysicsContactDelegate { private var RedRect : SKShapeNode! private var BlueRect : SKShapeNode! // 衝突に使うBitMask. let redCategory: UInt32 = 0x1 << 0 let blueCategory: UInt32 = 0x1 << 1 override func didMoveToView(view: SKView) { // Sceneに剛体を設定. self.physicsBody = SKPhysicsBody(edgeLoopFromRect: self.frame) // 衝突を検知するdelegateをSKSceneに設定. self.physicsWorld.contactDelegate = self self.name = "Scene" // SKShapeで赤いRectを生成. RedRect = SKShapeNode(rectOfSize: CGSizeMake(50.0, 50.0)) RedRect.position = CGPointMake(self.frame.midX, self.frame.midY) RedRect.fillColor = UIColor.redColor() RedRect.name = "RedRect" // SKShapeで青いRectを生成. BlueRect = SKShapeNode(rectOfSize: CGSizeMake(100.0, 50.0)) BlueRect.position = CGPointMake(self.frame.midX, self.frame.minY + 50) BlueRect.fillColor = UIColor.blueColor() BlueRect.name = "BlueRect" // 剛体を生成. RedRect.physicsBody = SKPhysicsBody(rectangleOfSize: RedRect.frame.size) BlueRect.physicsBody = SKPhysicsBody(rectangleOfSize: BlueRect.frame.size) //　自身のカテゴリーを設定. RedRect.physicsBody?.categoryBitMask = redCategory BlueRect.physicsBody?.categoryBitMask = blueCategory //　衝突先のBitMaskを設定. RedRect.physicsBody?.contactTestBitMask = blueCategory BlueRect.physicsBody?.contactTestBitMask = redCategory // sceneにNodeを追加. self.addChild(RedRect) self.addChild(BlueRect) } /* 衝突が検知されたら呼ばれるメソッド */ func didBeginContact(contact: SKPhysicsContact) { print("contactBodyA: \(contact.bodyA.node!.name)") print("contactBodyB: \(contact.bodyB.node!.name)") } } 2.3と3.0の差分 didMoveToView(view: SKView) から didMove(to view: SKView) に変更 didBeginContact(contact: SKPhysicsContact) から didBegin(_ contact: SKPhysicsContact) に変更