cc.Class({
    extends: cc.Component,

    properties: {

    },
    setPercentage(percentage) {
        let newHeight = this.castPercentageToHeight(percentage);
        this.node.setPosition(this.node.position.x,newHeight);
    },
    castPercentageToHeight(percentage)
    {
        return this.node.height/100*percentage;
    },
});