.fillRect(0, 0, W, H); // resize <canvas> and draw black rect (default)

	c.globalCompositeOperation = "lighter"; // switch to additive color application

	c.lineWidth = 0.2;

	c.lineCap = "round";

	var bool = 0, 

		t = 0; // theta

	d.onmousemove = function (e) {

		if(window.T) {

			if(D==9) { D=Math.random()*15; f(1); }

			clearTimeout(T);

		}

		X = e.pageX; // grab mouse pixel coords

		Y = e.pageY;

		a=0; // previous coord.x

		b=0; // previous coord.y 

		A = X, // original coord.x

		B = Y; //