text: function rotatePoint(x, y, theta) {
  	var thetaRad = theta * (Math.PI / 180);
  	var rotX = Math.cos(thetaRad) * x - Math.sin(thetaRad) * y;
  	var rotY = Math.sin(thetaRad) * x + Math.cos(thetaRad) * y;
  
  	return {
  		x: rotX,
  		y: rotY
  	};
  }
  
  function randInt(min, max) {
  	return Math.floor((Math.random() * max) + min);
  }
  