我正在制作一个游戏，当玩家与钻石碰撞时，它会在钻石分数中加一个，如果他们再次玩当前 钻石分数添加到上一个一个。如果用户关闭应用程序，我希望钻石保持不变并且不会重置。
到目前为止，我已经让钻石产生并随着游戏一起移动，但是当它发生碰撞时，游戏结束了。我不想要那个。
问题1 - 我想知道如何让玩家与钻石碰撞并收集它（removeFromIndex）我猜测，同时为钻石得分增加+1
问题2 - 我想知道如何将当前的钻石得分添加到总分上。因此，如果用户有5颗钻石并再次播放并收集4颗钻石，则用户应拥有的钻石总数为9颗钻石
代码：
import Foundation
import SpriteKit
class GameScene: SKScene, SKPhysicsContactDelegate {
var movingGround: PPMovingGround!
var square1: PPSquare1!
var wallGen: PPWallGen!
var diamondGen: PPDiamondGen!
var isStarted = false
var isGameOver = false
var lastChangedBackground = 0
var lastMovingSpeed = 0
var background = SKSpriteNode()
var playerNode: SKNode!
override func didMoveToView(view: SKView) {
//backgroundColor = UIColor.greenColor()
//backgroundColor = UIColor(red: 223/255.0, green: 86/255.0, blue: 94/255.0, alpha: 1.0)
background = SKSpriteNode(color: UIColor(red: 220/255.0, green: 220/255.0, blue: 220/255.0, alpha: 1.0), size: view.frame.size)
background.position = view.center
self.addChild(background)
playerNode = SKNode()
// playerNode.position = CGPointMake(40, 200)
addChild(playerNode)
addMovingGround()
addSquare1()
addEffect()
addDiamondGen()
addWallGen()
addTapToStartLabel()
addDiamondsLabels()
addPointsLabels()
addPhysicsWorld()
loadHighscore()
}
func addMovingGround() {
movingGround = PPMovingGround(size: CGSizeMake(view!.frame.width, kMLGroundHeight))
movingGround.position = CGPointMake(0, view!.frame.size.height/2)
addChild(movingGround)
}
func addSquare1() {
square1 = PPSquare1()
square1.position = CGPointMake(70, movingGround.position.y + movingGround.frame.size.height/2 + square1.frame.size.height/2)
square1.zPosition = 1
playerNode.addChild(square1)
}
func addEffect() {
var playerTrailPath = NSBundle.mainBundle().pathForResource("sparks", ofType: "sks")!
var playerTrail = NSKeyedUnarchiver.unarchiveObjectWithFile(playerTrailPath) as! SKEmitterNode
playerTrail.name = "playerTrail"
playerTrail.position = CGPointMake(-30, -20)
square1.addChild(playerTrail)
}
func addDiamondGen() {
diamondGen = PPDiamondGen(color: UIColor.clearColor(), size: view!.frame.size)
diamondGen.position = view!.center
addChild(diamondGen)
}
func addWallGen() {
wallGen = PPWallGen(color: UIColor.clearColor(), size: view!.frame.size)
wallGen.position = view!.center
addChild(wallGen)
}
func addTapToStartLabel() {
let tapToStartLabel = SKLabelNode(text: "Tap to start!")
tapToStartLabel.name = "tapToStartLabel"
tapToStartLabel.position.x = view!.center.x
tapToStartLabel.position.y = view!.center.y + 40
tapToStartLabel.fontColor = UIColor.whiteColor()
tapToStartLabel.fontName = "Helvetica"
tapToStartLabel.fontSize = 22.0
addChild(tapToStartLabel)
}
func addDiamondsLabels() {
let diamondsLabel = PPDiamondsLabel(num: 0)
diamondsLabel.name = "diamondPointsLabel"
diamondsLabel.alpha = 0.50
diamondsLabel.position.x = view!.center.x
diamondsLabel.position.y = view!.center.y + 120
diamondsLabel.fontColor = UIColor.whiteColor()
diamondsLabel.fontName = "Helvetica"
diamondsLabel.fontSize = 40
addChild(diamondsLabel)
let diamondTotalLabel = PPDiamondsLabel(num: 0)
diamondTotalLabel.name = "diamondHighscoreLabel"
diamondTotalLabel.alpha = 0.50
diamondTotalLabel.position = CGPointMake(view!.frame.size.width - 40, view!.frame.size.height - 30)
diamondTotalLabel.fontColor = UIColor.whiteColor()
diamondTotalLabel.fontName = "Helvetica"
diamondTotalLabel.fontSize = 24
addChild(diamondTotalLabel)
let diamondTotalTextLabel = SKLabelNode(text: "Diamonds: ")
diamondTotalTextLabel.alpha = 0.95
diamondTotalTextLabel.fontColor = UIColor.whiteColor()
diamondTotalTextLabel.fontSize = 22.0
diamondTotalTextLabel.fontName = "Helvetica"
diamondTotalTextLabel.position = CGPointMake(-90.0,2.0)
diamondTotalLabel.addChild(diamondTotalTextLabel)
}
func addPointsLabels() {
let pointsLabel = PPPointsLabel(num: 0)
pointsLabel.name = "pointsLabel"
pointsLabel.alpha = 0.50
pointsLabel.position.x = view!.center.x
pointsLabel.position.y = view!.center.y + 120
pointsLabel.fontColor = UIColor.whiteColor()
pointsLabel.fontName = "Helvetica"
pointsLabel.fontSize = 40
addChild(pointsLabel)
let highscoreLabel = PPPointsLabel(num: 0)
highscoreLabel.name = "highscoreLabel"
highscoreLabel.alpha = 0.50
highscoreLabel.position = CGPointMake(view!.frame.size.width - 40, view!.frame.size.height - 30)
highscoreLabel.fontColor = UIColor.whiteColor()
highscoreLabel.fontName = "Helvetica"
highscoreLabel.fontSize = 24
addChild(highscoreLabel)
let highscoreTextLabel = SKLabelNode(text: "Highscore: ")
highscoreTextLabel.alpha = 0.95
highscoreTextLabel.fontColor = UIColor.whiteColor()
highscoreTextLabel.fontSize = 22.0
highscoreTextLabel.fontName = "Helvetica"
highscoreTextLabel.position = CGPointMake(-90.0,2.0)
highscoreLabel.addChild(highscoreTextLabel)
}
func addPhysicsWorld() {
physicsWorld.contactDelegate = self
}
func loadHighscore() {
let defaults = NSUserDefaults.standardUserDefaults()
let highscoreLabel = childNodeWithName("highscoreLabel") as! PPPointsLabel
highscoreLabel.setTo(defaults.integerForKey("highscore"))
}
func start() {
isStarted = true
let tapToStartLabel = childNodeWithName("tapToStartLabel")
tapToStartLabel?.removeFromParent()
square1.stop()
movingGround.start()
wallGen.startGenWallsEvery(1)
diamondGen.startGenDiamondsEvery(1)
}
// MARK - Game Lifecycle
func gameOver() {
isGameOver = true
// everything stops
square1.fall()
wallGen.stopWalls()
diamondGen.stopDiamonds()
movingGround.stop()
square1.stop()
// create game over label
let gameOverLabel = SKLabelNode(text: "Game Over!")
gameOverLabel.fontColor = UIColor.whiteColor()
gameOverLabel.fontName = "Helvetica"
gameOverLabel.position.x = view!.center.x
gameOverLabel.position.y = view!.center.y + 80
gameOverLabel.fontSize = 22.0
addChild(gameOverLabel)
// save current points label value
let pointsLabel = childNodeWithName("pointsLabel") as! PPPointsLabel
let highscoreLabel = childNodeWithName("highscoreLabel") as! PPPointsLabel
let diamondsPointsLabel = childNodeWithName("diamondPointsLabel") as! PPDiamondsLabel
let diamondHighscoreLabel = childNodeWithName("diamondHighscoreLabel") as! PPDiamondsLabel
if highscoreLabel.number < pointsLabel.number {
highscoreLabel.setTo(pointsLabel.number)
let defaults = NSUserDefaults.standardUserDefaults()
defaults.setInteger(highscoreLabel.number, forKey: "highscore")
}
}
func restart() {
let newScence = GameScene(size: view!.bounds.size)
newScence.scaleMode = .AspectFill
view!.presentScene(newScence)
}
override func touchesBegan(touches: Set<NSObject>, withEvent event: UIEvent) {
if isGameOver {
restart()
} else if !isStarted {
start()
} else {
square1.flip()
}
}
override func update(currentTime: CFTimeInterval) {
if wallGen.wallTrackers.count > 0 {
let wall = wallGen.wallTrackers[0] as PPWall
let wallLocation = wallGen.convertPoint(wall.position, toNode: self)
if wallLocation.x < square1.position.x {
wallGen.wallTrackers.removeAtIndex(0)
let pointsLabel = childNodeWithName("pointsLabel") as! PPPointsLabel
pointsLabel.increment()
if pointsLabel.number % 10 == 0 {
kDefaultXToMovePerSecond == kDefaultXToMovePerSecond + 50
}
else if (pointsLabel.number % 20 == 0) {
kDefaultXToMovePerSecond == kDefaultXToMovePerSecond + 50
}
else if (pointsLabel.number % 30 == 0) {
kDefaultXToMovePerSecond == kDefaultXToMovePerSecond + 50
}
else if (pointsLabel.number % 40 == 0) {
kDefaultXToMovePerSecond == kDefaultXToMovePerSecond + 50
}
else if (pointsLabel.number % 50 == 0) {
kDefaultXToMovePerSecond == kDefaultXToMovePerSecond + 50
}
else if (pointsLabel.number % 60 == 0) {
kDefaultXToMovePerSecond == kDefaultXToMovePerSecond + 50
}
else if (pointsLabel.number % 70 == 0) {
kDefaultXToMovePerSecond == kDefaultXToMovePerSecond + 50
}
else if (pointsLabel.number % 80 == 0) {
kDefaultXToMovePerSecond == kDefaultXToMovePerSecond + 50
}
if pointsLabel.number % 10 == 0 && pointsLabel.number != lastChangedBackground{
lastChangedBackground = pointsLabel.number
if (lastChangedBackground == 10) {
background.runAction(SKAction.colorizeWithColor(UIColor(red: 164/255, green: 200/255, blue: 237/255, alpha: 1), colorBlendFactor: 0.1, duration: 1)) //light blue
}
else if (lastChangedBackground == 20) {
background.runAction(SKAction.colorizeWithColor(UIColor(red: 237/255, green: 164/255, blue: 236/255, alpha: 1), colorBlendFactor: 0.1, duration: 1)) //light purple
}
else if (lastChangedBackground == 30) {
background.runAction(SKAction.colorizeWithColor(UIColor(red: 164/255, green: 237/255, blue: 165/255, alpha: 1), colorBlendFactor: 0.1, duration: 1)) //light green
}
else if (lastChangedBackground == 40) {
background.runAction(SKAction.colorizeWithColor(UIColor(red: 237/255, green: 164/255, blue: 164/255, alpha: 1), colorBlendFactor: 0.1, duration: 1)) //light red
}
else if (lastChangedBackground == 50) {
background.runAction(SKAction.colorizeWithColor(UIColor(red: 000/255, green: 000/255, blue: 000/255, alpha: 1), colorBlendFactor: 0.1, duration: 1)) //black
}
else if (lastChangedBackground == 60) {
background.runAction(SKAction.colorizeWithColor(UIColor(red: 000/255, green: 128/255, blue: 255/255, alpha: 1), colorBlendFactor: 0.1, duration: 1)) // ultra blue
}
else if (lastChangedBackground == 70) {
background.runAction(SKAction.colorizeWithColor(UIColor(red: 88/255, green: 201/255, blue: 50/255, alpha: 1), colorBlendFactor: 0.1, duration: 1)) //ultra green
}
else if (lastChangedBackground == 80) {
background.runAction(SKAction.colorizeWithColor(UIColor(red: 245/255, green: 221/255, blue: 39/255, alpha: 1), colorBlendFactor: 0.1, duration: 1)) // ultra yellow
}
else if (lastChangedBackground == 90) {
background.runAction(SKAction.colorizeWithColor(UIColor(red: 245/255, green: 221/255, blue: 39/255, alpha: 1), colorBlendFactor: 0.1, duration: 1))
}
else if (lastChangedBackground == 100) {
background.runAction(SKAction.colorizeWithColor(UIColor(red: 245/255, green: 221/255, blue: 39/255, alpha: 1), colorBlendFactor: 0.1, duration: 1))
}
}
}
}
}
// MARK: - SKPhysicsContactDelegate
func didBeginContact(contact: SKPhysicsContact) {
if !isGameOver {
gameOver()
}
}
提前致谢！