Note: To use this toy you need an Igor plugin, available on the downloads page. The plugin, which is free, works for Macintosh computers with the OS X 10.5 or later system.

This is Wormy, an Igor toy. Wormy reacts to the color of his environment. To get wormy going, click on the start button. Then use the color + and - buttons to change Wormy's environment, and watch how he reacts.

For those of you interested in how Wormy works . . .

Read chapters 14 and 17 of the Igor Manual. Chapter 14 discusses the artificial intelligence that allows Wormy's reactions. Chapter 17 discusses how to embed the shot in the web page and control it. You can download the Igor shot that contains Wormy by using the link below. To see the JavaScript that causes Wormy to react to the buttons, look at the source code for this page in your browser.