多个SKSpriteNode?

时间:2015-05-20 04:42:40

标签: swift sprite-kit

这就是我目前正在做的事情。

    patch1.position = CGPointMake(CGRectGetMidX(self.frame) - 80, CGRectGetMidY(self.frame) + 205)
    patch1.yScale = 0.75
    patch1.xScale = 0.75
    self.addChild(patch1)

    percent1.position = CGPointMake(CGRectGetMidX(self.frame) - 80, CGRectGetMidY(self.frame) + 125)
    percent1.xScale = 0.5
    percent1.yScale = 0.5
    self.addChild(percent1)

    patch2.position = CGPointMake(CGRectGetMidX(self.frame) - 80, CGRectGetMidY(self.frame) + 55)
    patch2.yScale = 0.75
    patch2.xScale = 0.75
    self.addChild(patch2)

    percent2.position = CGPointMake(CGRectGetMidX(self.frame) - 80, CGRectGetMidY(self.frame) - 25)
    percent2.xScale = 0.5
    percent2.yScale = 0.5
    self.addChild(percent2)

除了我每个人都有8个。我只是觉得,毕竟说完了,经常更新这些将是一件痛苦的事。是否有更好的方法来进行这些设置,以便更新它们更容易/更有效?最后我将添加一个功能,当点击百分比++

编辑:这是图片enter image description here

2 个答案:

答案 0 :(得分:1)

我不确定这些精灵节点在您的应用中做了什么,但假设它们都在做类似的事情,您可以创建一个SKNode的子类并在该子类中声明它们。

class MySubclass: SKNode {
    // Declare variables here.... initialize them in init().... ect.
    let node1 = SKSpriteNode()
    let node2 = SKSpriteNode()

    override init(){
        // DON'T FORGET TO ADD YOUR NODES AS CHILDREN!!
        self.addChild(node1)
        self.addChild(node2)
    }
}

然后在主视图中,您可以执行以下操作:

let myNodeSubClass = MySubclass() //Assuming your subclass init doesn't have any parameters

override init(size: CGSize){
    super.init(size)
    myNodesubClass.position = CGPointMake(200, 200) //This will set the position of all the children of your sub class
}

答案 1 :(得分:0)

你可以使用方法。

func createSomething(yPosition: CGFloat,xScale: CGFloat, yScale: CGFloat) {

    let percent = SKSpriteNode(imageNamed:"Something")
    percent.position = CGPointMake(self.frame.size.width / 2 - 80, self.frame.size.height / 2 + yPosition )
    percent.xScale = xScale
    percent.yScale = yScale
    self.addChild(percent)
}

你添加这样的对象:

   self.createSomething(205, xScale: 0.75, yScale: 0.75);

   self.createSomething(125, xScale: 0.5, yScale: 0.5);

   self.createSomething(55, xScale: 0.75, yScale: 0.75);

   self.createSomething(-25, xScale: 0.5, yScale: 0.5);