// Daniel Shiffman

// http://natureofcode.com

​

class Mover {

  constructor() {

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

    this.velocity = createVector(0, 0);

    this.acceleration = 0;

    this.topspeed = 4;

    this.xoff = 1000;

    this.yoff = 0;

    this.r = 16;

  }

​

  update() {

    var mouse = createVector(mouseX, mouseY);

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

    dir.normalize();

    dir.mult(0.5);

    this.acceleration = dir;

​

    this.velocity.add(this.acceleration);

    this.velocity.limit(this.topspeed);

    this.position.add(this.velocity);

  }

​

  display() {

​

    stroke(255);

    strokeWeight(2);

    fill(127);

    rectMode(CENTER);

​

    let angle = this.velocity.heading();

​

    push();

    translate(this.position.x, this.position.y);

    rotate(angle);

    rect(0, 0, 60, 10);

    pop();

  }

​

  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;

    }

  }

}