We are about to switch to a new forum software. Until then we have removed the registration on this forum.
I have made an interesting program that allows the user to draw moving points on the screen. When the mouse is pressed and dragged, a point is created that repeats the mouse's movement. Also, the points connect with lines when they are close to each other. It is hard to explain, but you can see it here: bleubox.altervista.org/kineticWeb.html . You may also download the full-screen version here: http://bleubox.altervista.org/productions.html (it is at the bottom of the page). Here is an image of the sketch: