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Author: Galego | Website:

The Zoom Slider (Part 1)

The zoom slider works similarly to the magnifying glass in the frame code...but does a little more math before passing on to the functions at the root level.

Create the movie clip

Create a new movie clip and create a knob looking graphic (a simple radial gradient will do for most people). over that graphic, place your/a transparent button. Size (and/or shape) it to lay over the knob graphic.
Important: Use the alignment tool to center (horizontally and vertically) the graphic and button relative to the stage...this clip is not registered at 0,0 internally.

The drag effect

on (press) {
	y_coord = _root.zoom_knob._y;
	//drag the knob in a confined space
	_root.zoom_knob.startDrag(true, x_coord, y_coord, x_limit, y_coord);
	mouse_down = "true";
	play ();
	// Set the toggle and play the magnifying glass clip as well
	_root.mag.mouse_down = "true";;
on (release, releaseOutside) {
	stopDrag ();
	mouse_down = "false";
	stop ();
	// Stop the magnifying glass clip and set the mouse_down toggle to false
	_root.mag.mouse_down = "false";
Next we do the code in the frames...
» Level Advanced

Added: 2002-08-20
Rating: 8 Votes: 21
(10 being the highest)
» Author
Galego (aka Jason White) is an Instructional Designer and a Capoeirista from Grupo CapuraGinga.
» Download
Download the files used in this tutorial.
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