Use the following parametric equations to draw a butterfly curve. In the equation above t is the parameter of the equations. Let it range from 0 to 12π gradually with
Generate a random polygon with many sides and randomly drop point on the screen. If the point falls inside the polygon color it in red, otherwise color it in blue.
Draw three points to form a triangle. Draw the fourth point in a random position. In each of the following step, this point will move halfway towards one of the