37 lines
940 B
TypeScript
37 lines
940 B
TypeScript
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const { ccclass, property } = cc._decorator;
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/** 移动速度 px/s */
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const MOVE_SPEED = 200;
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/**
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* 用于拖拽排序的元素
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*/
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@ccclass
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export default class DragItem extends cc.Component {
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/** 触摸开始时的boundingbox */
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private _startRect: cc.Rect = null;
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public get startRect() { return this._startRect; }
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/** 移动动画的目标下标 */
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private _toIdx: number = 0;
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public onInit(idx: number) {
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this._toIdx = idx;
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this._startRect = this.node.getBoundingBox();
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}
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public moveTo(toIdx: number, toY: number) {
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if (toIdx === this._toIdx) {
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return;
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}
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this._toIdx = toIdx;
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this.node.stopAllActions();
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let moveTo = cc.moveTo(Math.abs(this.node.y - toY) / MOVE_SPEED, cc.v2(0, toY));
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this.node.runAction(moveTo);
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}
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public stop() {
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this.node.stopAllActions();
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}
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}
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