if (
    (
    (this.root.position.x < obj.position.x + 200) &&
    (this.root.position.x > obj.position.x - 200) &&
    (this.root.position.z < obj.position.z + 200) &&
    (this.root.position.z > obj.position.z - 200) )
     ) {
     if (this.root.position.x < obj.position.x + 198 && this.root.position.x > obj.position.x + 180) {
      this.root.position.z += Math.cos(this.root.rotation.y) * 800 * delta;
     }
     if (this.root.position.z > obj.position.z - 198 && this.root.position.z < obj.position.z - 180) {
      this.root.position.x += Math.sin(this.root.rotation.y) * 800 * delta;
     }
     if (this.root.position.x > obj.position.x - 198 && this.root.position.x < obj.position.x - 180) {
      this.root.position.z += Math.cos(this.root.rotation.y) * 800 * delta;
     }
     if (this.root.position.z < obj.position.z + 198 && this.root.position.z > obj.position.z + 180) {
      this.root.position.x += Math.sin(this.root.rotation.y) * 800 * delta;
     }
    } else {
     this.root.position.x += Math.sin(this.root.rotation.y) * 800 * delta;
     this.root.position.z += Math.cos(this.root.rotation.y) * 800 * delta;
    }