The theory behind the button is very simple. In a single click, the user simply clicks once on the button to invoke an action. In a double click, the user clicks twice within a predetermined time frame (in this case 5 frames) to invoke its action. A button of this nature has then two possible outcomes. But the dilemma is how to stop the action on the single click being executed on the first click of the double click if you are using the same button???
Simple, the single click actions are not executed until the predetermined time allocated to the double click has elapsed. Any additional click within that timeframe will execute the double click actions.
To do this we need two buttons, one for the first (single) click and the second for an optional click (double) followed by the actions of the first click if the second button isn't click on. The buttons are placed in the movie clip in such away that from the users perspective it looks like the same button. So let's begin building one!
|» Level Intermediate|
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