我正在尝试构建一个 Breakout 游戏,在其中我使用 1 个 SKSpriteNode 为每个级别设置我想要的砖块。这一切都有效,因为它们产生但远离屏幕左下角。我在 didMove 开头使用以下行(查看:SKView):
scene?.anchorPoint = CGPoint(x: 0.0, y: 0.0)
我用来生成砖块的代码是:
//MARK: Brick Layout Config
let widthOfTiles = 7
let heightOfTiles = 3
let widthPoints = 50
let heightPoints = 20
// Different tile arrangements (e.g. 7 tiles wide, 3 high, 7*3 = 21 total tiles)
var brickArray = [false, true, false, true, false, true, false,
false, true, true, true, false, true, false,
false, true, false, true, false, true, false] // Says 'HI' using tiles
override func didMove(to view: SKView) {
//MARK: Brick
for tile in 0..<brickArray.count {
if brickArray[tile] == true {
let brick = SKSpriteNode(imageNamed: "red_brick")
brick.position = CGPoint(x: (tile % widthOfTiles) * (widthPoints) - (widthOfTiles / 2 * (widthPoints)),
y: ((tile - (tile % widthOfTiles)) / widthOfTiles) * (heightPoints) - (heightOfTiles / 2 * (heightPoints)))
brick.size = CGSize(width: widthPoints, height: heightPoints)
brick.physicsBody = SKPhysicsBody(rectangleOf: brick.frame.size)
brick.physicsBody?.friction = 0
brick.physicsBody?.allowsRotation = false
brick.physicsBody?.friction = 0
brick.physicsBody?.isDynamic = false
brick.physicsBody?.categoryBitMask = brickCategory
self.addChild(brick)
}
}
}
我这辈子都无法把它放在场景的中心。也许有人可以帮我解决这个问题。数学是我的一个糟糕的弱点,虽然我认为我得到了适合产卵的方程式,但位置还差得很远。
如果我遗漏了您需要查看的内容,请告诉我。