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https://github.com/ifengzp/cocos-awesome.git
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23 lines
760 B
TypeScript
23 lines
760 B
TypeScript
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const { ccclass, property } = cc._decorator;
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@ccclass
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export default class Metaball extends cc.Component {
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@property(cc.Node)
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ball: cc.Node = null;
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material: cc.Material = null;
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onLoad() {
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this.material = this.ball.getComponent(cc.Sprite).getMaterial(0);
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this.touchStartPoint = cc.v2(this.ball.width / 2,this.ball.height/2);
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this.ball.on(cc.Node.EventType.TOUCH_MOVE, this.touchMoveEvent, this);
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}
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touchStartPoint: cc.Vec2= null;
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touchMoveEvent(evt: cc.Event.EventTouch) {
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this.touchStartPoint = this.touchStartPoint.add(evt.getDelta());
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const x = this.touchStartPoint.x;
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const y = this.ball.height - this.touchStartPoint.y;
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this.material.setProperty('u_point', [ x / this.ball.width, y / this.ball.height]);
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}
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}
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