Draw some points and then press "space". Press "U" for undoing the last dot. If needed to correct other than last dot click that dot again and press "U" key. Also when holding the key "U" and moving the mouse with left click held over the dark blue dots. U = undo If stopped the animation (by clicking the red cirdle), it can be continued by pressing the "space" key again. * * * * * -In order to work further on it: 1. Click the red circle to stop the program run. 2. Press 'W', to enable drawing. 3. Make some chandes. 4. Press the 'spacebar' again to animate it.
-Scratchers, thank you very much.
