text: class Mover {
      constructor(position, mass, velocity, acceleration) {
          this.position = position
          this.mass = mass
          this.velocity = velocity
          this.acceleration = acceleration
      }
  
      update() {
  
          // add damping
          this.velocity.mult(0.99)
  
          this.velocity.add(this.acceleration)
          this.acceleration = createVector()
          this.position.add(this.velocity)
  
          if (this.position.x > width) {
              this.position.x = this.position.x - width
          } else if (this.position.x < 0) {
              this.position.x = width + this.position.x
          }
  
          if (this.position.y > height) {
              this.position.y = this.position.y - height
          } else if (this.position.y < 0) {
              this.position.y = height + this.position.y
          }
      }
  
      applyForce(force) {
          force.div(this.mass)
          this.acceleration.add(force)
      }
  
      draw() {
          circle(this.position.x, this.position.y, this.mass)
      }
  }