constructor(){

    this.position = createVector(10,height/2);

    // this.velocity = createVector(2,2);

    // this.acceleration = createVector(0.01,0.01);

    this.velocity = 2;

    this.acceleration = 1;

  }

  display(){

    ellipse(this.position.x,this.position.y,20,20);

  }

  update(){

    this.position.x = this.position.x+this.velocity;

    function keyPressed(){

      if (keyCode == LEFT_ARROW){

        this.velocity = this.velocity-this.acceleration;

        print(1);

      }

      }

    }}