constructor(x, y) {

    this.x = x; 

    this.y = y;

    this.angle = 0;

    this.c = 70;

    this.speed = 3;

  }

  display() { 

    noFill();

    stroke(this.c);

    push();

    translate(this.x, this.y);

    rotate(this.angle);

    this.drawX();

    pop();

  }

  move() {

    let distance;

    // If mouse is moving, check distance from mouse

    if (abs(pmouseX - mouseX) != 0 || abs(pmouseY - mouseY) != 0) {

      distance = dist(mouseX, mouseY, this.x, this.y);

      if (distance < distMouse) {

        this.angle += this.speed;

        this.c = 255;

      }

    }

​

    // If block is already rotating, check how much it has been rotated 

    if (this.angle > 0 && this.angle < 90) {

      this.angle += this.speed;

      if (this.c > 70) {

        this.c -= 7;

      }

    } else {

      this.angle = 0;

      this.c = 70;

    }

  }

  drawRect() {

    rect(0, 0, size - offset, size - offset);

  }

  drawX() {

    let margin = -size/2; 

    line(margin + offset/2, margin + offset/2, margin + size - offset/2, margin + size - offset/2);

    line(margin + size - offset/2, margin + offset/2, margin + offset/2, margin + size - offset/2);

  }

}