               break
            }
          }
          document.addEventListener('keydown', e => keyEvent(e, true))
          document.addEventListener('keyup', e => keyEvent(e, false))
        }

        update() {
          // adjust shadow
          this.light.position.x = this.car.chassis.position.x
          this.light.position.y = this.car.chassis.position.y + 200
          this.light.position.z = this.car.chassis.position.z + 100
          this.light.target = this.car.chassis

          const FRONT