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42 lines
1.1 KiB
42 lines
1.1 KiB
const { ccclass, property } = cc._decorator;
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@ccclass
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export default class FMRunFollow extends cc.Component {
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/**所要追随的人 */
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@property({ type: cc.Node, tooltip: '所要追随的人' })
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public target: cc.Node = null;
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/**移动速率 */
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@property({ tooltip: "移动速率" })
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public speed: number = 10;
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/**自动开始跟随 */
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@property({ tooltip: "自动开始跟随" })
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public autoStart: boolean = false;
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/**标志位，是否移动 */
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private isRun: boolean = false; //
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// onLoad () {}
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start() {
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if (this.autoStart) this.run();
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}
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public run() {
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this.isRun = true;
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}
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update(dt: number) {
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if (!this.isRun || !this.target) return;
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let X1 = this.target.x - this.node.x;
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let Y1 = this.target.y - this.node.y;
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let x1 = X1 > 0 ? 1 : -1;
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let y1 = Y1 > 0 ? 1 : -1;
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if (Math.abs(X1) < 10) {
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x1 = 0;
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}
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if (Math.abs(Y1) < 10) {
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y1 = 0;
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}
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this.node.y += y1 * this.speed * dt;
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this.node.x += x1 * this.speed * dt;
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}
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public stop() {
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this.isRun = false;
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}
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}
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