This document discusses signals and events in ActionScript 3. It provides code samples for creating custom event classes that extend the Event class and using the signals library to dispatch events and add/remove event listeners. It also lists some references and resources for learning more about signals in AS3.

1. www.inazumatv.com/contents/
me.beginsprite.com
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2. www.sidevision.co.jp
2011 7 2

3. Signals
Event
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4. Flash Event
Events
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5. Event
Event
Event
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6. 01 Sample
start_btn.addEventListener(MouseEvent.CLICK, onStartClicked);
stop_btn.addEventListener(MouseEvent.CLICK, onStopClicked);
function onStartClicked (e:MouseEvent):void {
addEventListener(Event.EXIT_FRAME, onLoop);
}
function onStopClicked (e:MouseEvent):void {
removeEventListener(Event.EXIT_FRAME, onLoop);
}
function onLoop (e:Event):void {
fan_mc.rotation += 5;
}
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7. 01 Sample
addEventListener(Event.EXIT_FRAME, onLoop);
removeEventListener(Event.EXIT_FRAME, onLoop);
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8. 02 Sample
package com.inazumatv.events
{
import flash.events.Event;
public class FanEvent extends Event
{
public static const FAN_START:String = "fanStart";
public static const FAN_STOP:String = "fanStop";
public function FanEvent(type:String, bubbles:Boolean=true, cancelable:Boolean=false)
{
super(type, bubbles, cancelable);
}
override public function clone():Event
{
return new FanEvent(type, bubbles, cancelable);
}
}
}
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9. 02 Sample
package com.inazumatv.events
{
import flash.events.Event;
public class FanEvent extends Event
{
public static const FAN_START:String = "fanStart";
public static const FAN_STOP:String = "fanStop";
public function FanEvent(type:String, bubbles:Boolean=true, cancelable:Boolean=false)
{
super(type, bubbles, cancelable);
}
override public function clone():Event
{
return new FanEvent(type, bubbles, cancelable);
}
}
}
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10. 03 Sample
package com.inazumatv.events
{
import flash.events.Event;
public class FanSpeedEvent extends Event
{
public static const CHANGE_SPEED:String = "changeSpeed";
private var _speed:Number;
public function FanSpeedEvent(speed:Number, type:String, bubbles:Boolean=true, cancelable:Boolean=false)
{
_speed = speed;
super(type, bubbles, cancelable);
}
override public function clone():Event
{
return new FanSpeedEvent(speed, type, bubbles, cancelable);
}
override public function toString():String
{
return formatToString("FanSpeedEvent", "speed", "type", "bubbles", "cancelable", "eventPhase")
}
public function get speed():Number
{
return _speed;
}
}
}
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11. 03 Sample
package com.inazumatv.events
{
import flash.events.Event;
public class FanSpeedEvent extends Event
{
public static const CHANGE_SPEED:String = "changeSpeed";
private var _speed:Number;
public function FanSpeedEvent(speed:Number, type:String, bubbles:Boolean=true, cancelable:Boolean=false)
{
_speed = speed;
super(type, bubbles, cancelable);
}
override public function clone():Event
{
return new FanSpeedEvent(speed, type, bubbles, cancelable);
}
override public function toString():String
{
return formatToString("FanSpeedEvent", "speed", "type", "bubbles", "cancelable", "eventPhase")
}
public function get speed():Number
{
return _speed;
}
}
}
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12. Signals
Event
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13. Signals
addEventListener(listener:Function)
removeEventListener(listener:Function)
dispatchEvent(new ExampleEvent(ExampleEvent.EVENT_TYPE))
add(listener:Function)
addOnce(listener:Function)
remove(listener:Function)
removeAll()
dispatch(... valueObjects)
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14. Signals
add(listener:Function)
addOnce(listener:Function)
remove(listener:Function)
removeAll()
dispatch(... valueObjects)
addWithPriority(listener:Function, priority:int=0)
addOnceWithPriority(listener:Function, priority:int=0)
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15. Signals
if (stage)
init();
else
new NativeSignal(this,
Event.ADDED_TO_STAGE,
Event
).addOnce(init);
init
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16. Signals
var accelerate:Signal = new Signal(Number);
accelerate.dispatch(speed);
function onAccelerate(speed:Number) {
}
accelerate.add(onAccelerate);
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17. Signals
NativeSignal
Signal
DeluxeSignal
Class
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18. Signals
github : as3-signals
https://github.com/robertpenner/as3-signals
Robert Penner
Programming Macromedia Flash MX
mx.motion.easing.*
fl.motion.easing.*
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19. Signals
github : as3-signals
https://github.com/robertpenner/as3-signals/wiki
https://github.com/robertpenner/as3-signals/wiki/_pages
http://www.himco.jp/articles.php
inzumatv.com
http://www.inazumatv.com/contents/archives/tag/signals
2011 7 2

20. www.inazumatv.com/contents/
me.beginsprite.com
www.sidevision.co.jp
@taikiken
2011 7 2