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for (var i = total - 1; i > 1; i--) {

p0 = points[i];

p1 = points[i - 1];

p2 = points[i - 2];

context.beginPath();

context.strokeStyle = p0.color;

context.lineWidth = p0.size;

context.globalAlpha = i / total;

context.moveTo((p1.x + p0.x) / 2, (p1.y + p0.y) / 2);

context.quadraticCurveTo(p1.x, p1.y, (p1.x + p2.x) / 2, (p1.y + p2.y) / 2);

context.stroke();

p0.spread();

}

points[0].spread();

points[total - 1].spread();

}

function draw() {

// Line movement

var dx = (mouseX - px) * SPEED_X,

dy = (mouseY - py) * SPEED_Y;

// Limit the amount of movement

if (dx < -spread) {

dx = -spread;

} else if (dx > spread) {

dx = spread;

}

if (dy < -spread) {