Economy-x-Talk - Sample Scripts

Color button animation

1. create a series of icons to "animate" using Hypercard's icon editor.

2. invert the icons. In other words, the white pixels are the ones
which will be colored.

3. color the button the color that you want to give to the icons, using
addColor. The color will show through the white pixels in the icon.

4. place the icon in a black area of the card, for example a black
header, title, footer, etc.

5. place a script in your card script:

6. When the icon changes, it will do so in color, as the color will always fill the white space in the button. I've used this to animate a beating heart for example.

Brian Yennie

The scripts and comments come from HyperActive Software HyperCard Tips and Tricks websiteAll contents copyright (C) 1996, HyperActive Software. All rights reserved.
http://www.hyperactivesw.com/

on idleHandler
  global currentIcon, firstIcon, lastIcon, lastTime
  if firstIcon is empty then put 400 into firstIcon -- this is arbitrary
  if lastIcon is empty then put 410 into lastIcon -- ditto
  if currentIcon is empty then put firstIcon into currentIcon
  if lastTime is empty then put the ticks into lastTime
  if lastTime - 60 >= the ticks then -- wait 1 second between frames
      put the ticks into lastTime
      if currentIcon = lastIcon then
          put firstIcon into currentIcon
         else
          add 1 to currentIcon
       end if
      set the icon of cd btn "icon button" to currentIcon -- arbitrary button
  end if
end idleHandler

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