Gazepoint Eyeblade Developer Demo
In the video below we demonstrate a simple application that allows eye-tracking to control the cursor in the Fruit Ninja video game by Half Brick. The demo system uses 3 pieces of sofware:
- Gazepoint: The gaze-tracking software that comes included with the GP3 – it processes the eye images, computes the gaze point, and runs the TCP/IP server;
- Eyeblades: Uses the GPClient sample class (all source code included in installer) to collect the X/Y gaze point and move the mouse cursor with different eyeblade patterns;
- Fruit Ninja: Fun 3rd party game available in Windows 8 App Store.
The Fruit Ninja game is an excellent example of a game well-suited for eye-tracking, as it was originally designed for touch. Touch input and gaze input share some of the same limitations in terms of accuracy. As I play, you will notice that I don’t have to be perfectly accurate to cut the fruit: the game tracks the motion of the finger (or gaze in our case), resulting in more successful slices, and more fun gameplay!
It’s time for this game and others to be developed with built-in gaze-tracking input, but current eye-trackers cost $5000-$20000, a very expensive add-on! That’s why we are launching the GP3: it matches the performance of those systems for only a few hundred dollars, which means that in the very near future you’re going to see a lot more applications built for gaze.
That’s where YOU come in! The GP3 comes with an easy to use open-standard API that will let you create awesome applications using the last untapped form of human communication! Gaze as an X/Y input as shown in the demo is fast and fun, but gaze input can get even more creative. Where you look is often very closely tied to what you are thinking, so gaze-tracking can offer some insight into what’s on your mind. Before you move the mouse cursor, you look where you want to click, so the computer can actually predict your physical motion. Sort of like the auto-scroll in the GS4 smartphone that can tell you’ll want to scroll down when your eyes reaches the end of a page. Except in this case, the gaze is much more accurate, AND it’s available to YOU the developer, right now!
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