libGDX无法执行操作

libGDX无法执行操作,libgdx,kotlin,Libgdx,Kotlin,我有这样一个字母类: class Letter : Label { val char: Char var interactable = true constructor(char: Char) : super(""+char, H.letterStyle()) { this.char = char } fun animateSelect() { addAction(Actions.scaleTo(3.0f, 3.0f, 0

我有这样一个字母类:

class Letter : Label {
    val char: Char
    var interactable = true
    constructor(char: Char) : super(""+char, H.letterStyle()) {
        this.char = char
    }

    fun animateSelect() {
        addAction(Actions.scaleTo(3.0f, 3.0f, 0.5f))
    }
    fun animateUnselect() {
        addAction(Actions.scaleTo(3.0f, 3.0f, 0.5f))
    }
}
在我的touch listener中,我有:

override fun touchDown(event: InputEvent?, x: Float, y: Float, pointer: Int, button: Int): Boolean {

        var currentInteractingLetter: Letter? = null
        for (letter in letterList) {
            if (letter.bound.contains(x, y)) {
                currentInteractingLetter = letter
                break
            }
        }

        if (currentInteractingLetter == null) {

        } else {
            selectedLetters.add(currentInteractingLetter)
            currentInteractingLetter.animateSelect()
            currentInteractingLetter.interactable = false
        }

        return true
    }
逻辑相当简单。当用户触摸任何一个
字母
s时,我将调用
animateSelect()
函数。
当我运行它时,
animateSelect
确实被调用,但是没有
scaleUp
效果。在
addAction
之前,我已尝试清除所有操作,但仍然相同

标签不直接支持缩放

解决此问题的简单方法是将标签放入容器上的,
setTransform(true)
,然后将缩放动作添加到
容器中

val container= Container<Label>().apply {
     isTransform=true
     actor=label          // Set your Label to container 
}

container.addAction(Actions.scaleTo(3.0f, 3.0f, 0.5f))
val container=container()。应用{
isTransform=true
actor=label//将标签设置为容器
}
container.addAction(Actions.scaleTo(3.0f、3.0f、0.5f))