class Mover {

  constructor() {

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

    this.velocity = createVector(0, 0);

  }

​

  update() {

  let mouse = createVector(mouseX, mouseY);

​

  // Step 1: Compute direction

  let dir = p5.Vector.sub(mouse, this.position);

​

  // Step 2: Normalize

  dir.normalize();

​

  // Step 3: Scale

  dir.mult(0.5);

​

  //Step 4: Accelerate

  this.acceleration = dir;

  this.velocity.add(this.acceleration);

  this.velocity.limit(5);

  this.position.add(this.velocity);

}

​

​

​

  display() {

    stroke(0);

    strokeWeight(2);

    fill(127);

    ellipse(this.position.x, this.position.y, 48, 48);

  }

​

  checkEdges() {

    if (this.position.x > width) {

      this.position.x = 0;

    } else if (this.position.x < 0) {

      this.position.x = width;

    }

​

    if (this.position.y > height) {

      this.position.y = 0;

    } else if (this.position.y < 0) {

      this.position.y = height;

    }

  }

}

​