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Tutorials » Special_Effects

LED spectrum analyzer meter effect using dynamic masking
Author: Raymond K.M. Lee

Create the LED bar movieclip

Create a new movieclip symbol (let's call it mv_LEDbar) with 2 layers, name the upper layer LED mask and lower layer LED color. Drag an instance of mv_bar into the upper layer, position it at x=0, y=50.

Add the following movieclip action to the instance of mv_bar.

onClipEvent (enterFrame) {
indicator = Math.round(Math.random() * 100);
if (indicator > 55 && this._y > 5) {
 this._y -= 10;
 } else if (indicator < 45 && this._y < 55) {
 this._y += 10;
 }
 }

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