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POAdding Sprites to Canvas in Flex
 

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    <p>As requested, I'm giving a more detailed description of the problem...</p> <p>First off I have this MXML:</p> <pre><code>&lt;mx:Panel x="270" y="10" width="690" height="680" id="mainContainerPanel"&gt; &lt;mx:Canvas x="270" y="10" width="670" height="640" id="canvas" initialize="onInit()"&gt; &lt;mx:Script&gt; protected function onInit():void { spiro = new Spirograph(canvas); } &lt;/mx:Script&gt; &lt;/mx:Canvas&gt; &lt;/mx:Panel&gt; </code></pre> <p>This passes the tag object to the constructor of my main AS3 class file. This works fine, where in the constructor I have: </p> <pre><code>function Spirograph(canvas:Canvas):void { mainContainer = canvas; mainContainer.graphics.beginFill(0xFFFFFF); mainContainer.graphics.drawRect(0, 0, 670, 640); mainContainer.graphics.endFill(); } </code></pre> <p>At the moment, I am adding all Sprite objects to the mainContainer by using a wrapper class called SpriteUIContainer:</p> <pre><code>package includes { import flash.display.Sprite; import mx.core.UIComponent; public class SpriteUIContainer extends UIComponent { public function SpriteUIContainer(sprite:Sprite) { super(); this.explicitWidth = sprite.width; this.explicitHeight = sprite.height; this.x = sprite.x; this.y = sprite.y; addChild(sprite); } } } </code></pre> <p>which is used in the following way: </p> <pre><code>private var circCentre:Sprite = new Sprite(); circCentre.x = mainContainer.width / 2; circCentre.y = mainContainer.height / 2; circCentre.graphics.lineStyle(3, 0xD0B917); circCentre.graphics.beginFill(0xF2DF56, 0.2); circCentre.graphics.drawCircle(20, 20, 50); circCentre.graphics.endFill(); mainContainer.addChildAt(new SpriteUIContainer(circCentre), 1); </code></pre> <p>The circCentre Sprite never appears on screen and I don't understand how I can get it to appear.</p> <p>Any help much appreciated!</p>
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