@rpgjs/physic/dist/index33.js

A deterministic 2D top-down physics library for RPG, sandbox and MMO games

class Dash {
  /**
   * Creates a dash movement.
   *
   * @param speed - Movement speed in units per second
   * @param direction - Direction vector (will be normalized)
   * @param duration - Duration in seconds
   */
  constructor(speed, direction, duration) {
    this.speed = speed;
    this.duration = duration;
    this.elapsed = 0;
    this.finished = false;
    const magnitude = Math.hypot(direction.x, direction.y);
    this.direction = magnitude > 0 ? { x: direction.x / magnitude, y: direction.y / magnitude } : { x: 1, y: 0 };
  }
  update(body, dt) {
    if (this.finished) {
      return;
    }
    this.elapsed += dt;
    if (this.elapsed <= this.duration) {
      body.setVelocity({
        x: this.direction.x * this.speed,
        y: this.direction.y * this.speed
      });
    } else {
      body.setVelocity({ x: 0, y: 0 });
      this.finished = true;
    }
  }
  isFinished() {
    return this.finished;
  }
}
export {
  Dash
};
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