Is it a frog or a horse head?

Try to move the [b]slider[/b] for different angle  or click [b]play[/b] button to rotate the image automatically.

/htdocs/ntnujava/ejsuser/2/users/ntnu/fkh/illusion_rotate_pkg/illusion_rotate.propertiesFull screen applet or Problem viewing java?Add to exception site list
Press the Alt key and the left mouse button to drag the applet off the browser and onto the desktop. This work is licensed under a Creative Commons Attribution 2.5 Taiwan License
Download EJS jar file(808.2kB):double click downloaded file to run it. (39 times by 16 users) , Download EJS source View EJS source