​

function Ship() {

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

  this.r = 20;

  this.heading = 0;

  this.rotation = 0;

  this.vel = createVector(0, 0);

  this.isBoosting = false;

​

  this.boosting = function(b) {

    this.isBoosting = b;

  }

​

  this.update = function() {

    if (this.isBoosting) {

      this.boost();

    }

    this.pos.add(this.vel);

    this.vel.mult(0.99);

  }

​

  this.boost = function() {

    var force = p5.Vector.fromAngle(this.heading);

    force.mult(0.1);

    this.vel.add(force);

  }

​

  this.hits = function(asteroid) {

    var d = dist(this.pos.x, this.pos.y, asteroid.pos.x, asteroid.pos.y);

    if (d < this.r + asteroid.r) {

      return true;

    } else {

      return false;

    }

  }

​

  this.render = function() {

    push();

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

    rotate(this.heading + PI / 2);

    fill(0);

    stroke(255);

    triangle(-this.r, this.r, this.r, this.r, 0, -this.r);

    pop();

  }

​

  this.edges = function() {

    if (this.pos.x > width + this.r) {

      this.pos.x = -this.r;

    } else if (this.pos.x < -this.r) {

      this.pos.x = width + this.r;

    }

    if (this.pos.y > height + this.r) {

      this.pos.y = -this.r;

    } else if (this.pos.y < -this.r) {

      this.pos.y = height + this.r;

    }

  }

​

  this.setRotation = function(a) {

    this.rotation = a;

  }

​

  this.turn = function() {

    this.heading += this.rotation;

  }

​

}

​