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POHaving difficulty updating object properties in basic actionscript program
 

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  1. POHaving difficulty updating object properties in basic actionscript program
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    <p>I'm still working my way through some pretty basic Actionscript programming (in Flex), and I'm getting a little caught up with events and object properties.</p> <p>I've got 3 files below, one application and two components. The basic goal is very simple - start out with two location canvases and one player canvas. When clicking in one location canvas, the player will update it's x and y coords to that canvas. Clicking in the other canvas will then update the player's x and y coordinates to that canvas. Repeat.</p> <p>I think I'm close, but I can't quite figure out how to get a click within location1 or location2 to send their respective x and y coordinates back to the playerX and playerY values. Any suggestions about this specific issue, or even broader suggestions for accomplishing this more easily, would be great.</p> <p>Here's my primary application file:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" xmlns:ns1="components.*"&gt; &lt;mx:Script&gt; &lt;![CDATA[ [Bindable] private var playerX:int = 20; [Bindable] private var playerY:int = 20; private function clickEventHandler(evt:Event):void { playerX = evt.x; playerY = evt.y; } ]]&gt; &lt;/mx:Script&gt; &lt;ns1:location x="139" y="168" id="location1" playerMove="clickEventHandler(event)"/&gt; &lt;ns1:location x="629" y="168" id="location2" playerMove="clickEventHandler(event)"/&gt; &lt;ns1:player x="{playerX}" y="{playerY}"/&gt; &lt;/mx:Application&gt; </code></pre> <p>Here's my "location" component:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;mx:Canvas xmlns:mx="http://www.adobe.com/2006/mxml" width="200" height="200" click="clickHandler()"&gt; &lt;mx:Script&gt; &lt;![CDATA[ import flash.events.Events private function clickHandler():void { var moveClick:Event = new Event("playerMove"); moveClick.x = target.x; moveClick.y = target.y; dispatchEvent(moveClick); } ]]&gt; &lt;/mx:Script&gt; &lt;mx:Metadata&gt; [Event(name="playerMove")] &lt;/mx:Metadata&gt; &lt;/mx:Canvas&gt; </code></pre> <p>And here's my player component:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;mx:Canvas xmlns:mx="http://www.adobe.com/2006/mxml" width="50" height="100"&gt; &lt;/mx:Canvas&gt; </code></pre> <p>UPDATE:</p> <p>I've been able to simulate the desired effect with the following code:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"&gt; &lt;mx:Script&gt; &lt;![CDATA[ [Bindable] private var playerX:int = 20; [Bindable] private var playerY:int = 20; ]]&gt; &lt;/mx:Script&gt; &lt;mx:Canvas x="139" y="168" id="location1" width="200" height="200" click="playerX = location1.x, playerY = location1.y" backgroundColor="#F60D0D"/&gt; &lt;mx:Canvas x="629" y="168" id="location2" width="200" height="200" click="playerX = location2.x, playerY = location2.y" backgroundColor="#EDE513"/&gt; &lt;mx:Canvas id="player1" x="{playerX}" y="{playerY}" width="100" height="100" backgroundColor="#3458F5"/&gt; &lt;/mx:Application&gt; </code></pre> <p>Now I'm just working on modularizing it to achieve my real end goal, which is making sure I understand how events, objects, and event objects work.</p>
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    1. COWhat values do evt.x and evt.y end up with?
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      1. POHaving difficulty updating object properties in basic actionscript program
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    2. COCookieOfFortune, I can't even get to that point because it won't let me compile until I've resolved the errors I mentioned below in re Eric's suggestion.
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