System.register(["cc"], function (_export, _context) {
  "use strict";

  var _cclegacy, __checkObsolete__, __checkObsoleteInNamespace__, Vec3, Shake, _crd;

  function get_new_shake(startPos) {
    if (startPos === void 0) {
      startPos = new Vec3(0, 0, 0);
    }

    return new Shake(startPos);
  }

  _export("default", get_new_shake);

  return {
    setters: [function (_cc) {
      _cclegacy = _cc.cclegacy;
      __checkObsolete__ = _cc.__checkObsolete__;
      __checkObsoleteInNamespace__ = _cc.__checkObsoleteInNamespace__;
      Vec3 = _cc.Vec3;
    }],
    execute: function () {
      _crd = true;

      _cclegacy._RF.push({}, "88adahxArtIPKhtXnEB29+o", "Shake", undefined);

      __checkObsolete__(['Vec3']);

      Shake = class Shake {
        constructor(startPos) {
          if (startPos === void 0) {
            startPos = new Vec3(0, 0, 0);
          }

          this.intensity = void 0;
          this.duration = void 0;
          this.shakePos = new Vec3(0, 0, 0);
          this.startPos = startPos;
          this.duration = 0;
          this.intensity = 0;
        }
        /**改变初起点*/


        setStartPos(x, y) {
          this.startPos.x = x;
          this.startPos.y = y;
        }
        /**开始抖动
        * duration 时间
        * intensity 强度
        */


        start(duration, intensity) {
          if (duration === void 0) {
            duration = 0.3;
          }

          if (intensity === void 0) {
            intensity = 3.8;
          }

          this.duration = duration;
          this.intensity = intensity;
        }
        /**停止抖动*/


        stop() {
          this.shakePos.x = this.startPos.x;
          this.shakePos.y = this.startPos.y;
          this.duration = 0;
          return this.shakePos;
        }

        getShakePos() {
          return this.shakePos;
        }

        action(dt) {
          if (this.duration > 0) {
            this.duration -= dt;

            if (this.duration <= 0) {
              return this.stop();
            } else {
              var randomX = Math.random() * this.intensity - this.intensity * 0.5;
              var randomY = Math.random() * this.intensity - this.intensity * 0.5;
              this.shakePos.x = this.startPos.x + randomX;
              this.shakePos.y = this.startPos.y + randomY;
              return this.shakePos;
            }
          }

          return null;
        }

      };

      _cclegacy._RF.pop();

      _crd = false;
    }
  };
});
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