📅  最后修改于: 2022-03-11 15:01:20.136000             🧑  作者: Mango
this.rotation = atan2(player.y - this.y, player.x - this.y);
this.speed = 2.5;
this.x += cos(this.rotation) * this.speed;
this.y += sin(this.rotation) * this.speed;