User Guide

690 Chapter 7: ActionScript for Flash

knob_mc.bottom = knob_mc._y;

knob_mc._x = my_sound.getVolume();

with (knob_mc) {

lineStyle(0, 0x000000);

beginFill(0xCCCCCC);

moveTo(0, 0);

lineTo(4, 0);

lineTo(4, 18);

lineTo(0, 18);

lineTo(0, 0);

endFill();

}

knob_mc.createTextField("volume_txt", knob_mc.getNextHighestDepth(),

knob_mc._width+4, 0, 30, 22);

knob_mc.volume_txt.text = my_sound.getVolume();

knob_mc.onPress = function() {

this.startDrag(false, this.left, this.top, this.right, this.bottom);

this.isDragging = true;

};

knob_mc.onMouseMove = function() {

if (this.isDragging) {

this.volume_txt.text = this._x;

}

knob_mc.onRelease = function() {

this.stopDrag();

this.isDragging = false;

my_sound.setVolume(this._x);

};