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Touch Screen & Isadora


  • Tech Staff

    You guys are the best... I am excited to look at these ideas!

    *love*


  • I enjoyed this topic! I'm looking for ways to use this I didn't even think it was possible.

    Thanks too!


  • Here is a button I have used that uses a movie and puts a flash and sound feedback via MIDI 67c0fe-movie-button.izz



  • Just for future "what if's", it would be great to have an object have its own click recognition without having to use this method. This would particularly be useful when having a button that is shaped irregularly. Using the current system, A circle for example, would have sections of non-object that would respond to a mouse click. This has been a small issue for example when employing buttons on a very large screen where the screen might be multiple feet in length and height. This was the case with a recent lobby project where the touch screen was 12 feet long.


  • Tech Staff

    I know what you mean.

    12ft - that's a huge touch screen! 


  • for a circle you could calculate the straight line distance from the touch point to the  centre of the circle, and check if it is less than the radius of the circle, its slightly more math than for a rectangle check but not much more.


  • Tech Staff

    A little update:

    Got a decent working prototype working going. I am using a really old touchscreen - not even sure what tech it uses.
    For some reason it only see's about 80-85% of the pixel space (screen size) so it's not great. This is not an izzy fault. I think the hardware can only see up 1024*768 or something. 
    I will post a short demo when I get the chance :)


  • This is where I'd love to see some form of transparent web-browser overlay window actor which gives you a DOM so that jquery-like events can be brought into play, pref via WebKit... something to abstract out the need for more complex maths calculations, with the stage abstracted out to viewport.



  • I used these drivers for a permanent installation with two touchscreens and a isadora button interface. worked like a charm

    http://www.touch-base.com/

  • Tech Staff

    Thanks @Fubbi.