public void setup()
	{
		size(512, 512);
	}

	public void draw()
	{
		background(255);

		int numberOfPoints = 10 + (mouseX * 2) - 1;

		float fromAngle = 0;
		float toAngle = TWO_PI;

		float radius1 = 200.0f;
		float radius2 = 100.0f;

		fill(0);
		noStroke();
		beginShape();

		for (int i = 0 ; i < numberOfPoints ; i++)
		{
			float p = i / (numberOfPoints - 1.0f);

			float cA = lerp(fromAngle, toAngle, p);

			float radius;

			if (i % 2 == 0)
			{
				radius = radius1;
			}
			else
			{
				radius = radius2;
			}

			vertex(
				width / 2.0f + cos(cA) * radius,
				height / 2.0f + sin(cA) * radius
			);
		}

		endShape();
	}