我正在尝试将5张牌重叠30％。并尝试使用鼠标事件给它一个动作。它应该只落在5张牌内，而不是在那张牌之外。 我已经学会了拖放事件并执行了它，但是我无法将卡放在5张卡中。 请有人帮助我。请检查以下代码：
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="carcan();">
<mx:Script>
<![CDATA[
import mx.containers.Canvas;
import mx.controls.Image;
private var images:Array;
private var images1:Array;
private const IMAGE_COUNT:uint = 5;
private var img:Image;
private var img1:Image;
private var points:flash.geom.Point;
private var offset_x:int;
private var offset_y:int;
private var canal:Canvas;
private var doDrag:Boolean;
[Embed(source='cards/2C.png')]
private var Image0:Class;
[Embed(source='cards/2D.png')]
private var Image1:Class;
[Embed(source='cards/2H.png')]
private var Image2:Class;
[Embed(source='cards/2S.png')]
private var Image3:Class;
[Embed(source='cards/3C.png')]
private var Image4:Class;
public function carcan():void
{
canal = new Canvas();
canal.setStyle("backgroundColor","blue");
canal.x=100;
canal.y=50;
canal.width=500;
canal.height=400;
this.addChild(canal);
init();
}
public function init():void
{
images = new Array(IMAGE_COUNT);
for (var i:int = 0; i < IMAGE_COUNT; i++)
{
img= new Image();
img1= new Image();
images[i] = this["Image" + i];
trace(images[i]);
img.x=(i*30)+50;
img.source=images[i];
img.id="Image"+i;
canal.addChild(img);
img.addEventListener(MouseEvent.MOUSE_DOWN, md);
img.addEventListener(MouseEvent.MOUSE_MOVE, mm);
canal.addEventListener(MouseEvent.MOUSE_OUT,smu);
img.addEventListener(MouseEvent.MOUSE_UP, mu);
}
}
public function smu(event:MouseEvent):void
{
img.alpha=1;
img.stopDrag();
doDrag=false;
setCards();
}
public function mo(event:MouseEvent):void
{
if(doDrag==true)
{
img.addEventListener(MouseEvent.MOUSE_DOWN, md);
img.addEventListener(MouseEvent.MOUSE_UP, mu);
img.stopDrag();
img.alpha=1;
img.removeEventListener(MouseEvent.MOUSE_MOVE, mm);
}
else
{
img.addEventListener(MouseEvent.MOUSE_MOVE, mm);
}
}
public function md(event:MouseEvent):void
{
img = new Image();
doDrag=true;
canal.setChildIndex(Image(event.target),images.length-1);
img.addEventListener(MouseEvent.MOUSE_MOVE, mm);
}
public function mm(event:MouseEvent):void
{
if(doDrag==true)
{
points = new Point();
images = new Array(IMAGE_COUNT);
img = new Image();
img = Image(event.target);
points.x=event.target.x;
points.y=event.target.y;
points = localToGlobal(points);
img.x=points.x;
img.y=points.y;
img.alpha=0.7;
img.addEventListener(MouseEvent.MOUSE_UP, mu);
var boundar:flash.geom.Rectangle = new Rectangle(this.x, this.y, 250, 100);
}
}
public function mu(event:MouseEvent):void
{
img.alpha=1;
canal.stopDrag();
doDrag=false;
canal.stopDrag();
doDrag=false;
var current:Image = event.currentTarget as Image;
var num1:int = current.x;
if(num1 < 50){
canal.setChildIndex(current, images.length-5);
current.y=0;
setCards();
}
if(num1 > 50 && num1 < 80){
canal.setChildIndex(current, images.length-4);
current.y=0;
setCards();
}
if(num1 > 80 && num1 < 110){
canal.setChildIndex(current, images.length-3);
current.y=0;
setCards();
}
if(num1 > 110 && num1 < 140){
canal.setChildIndex(current, images.length-2);
current.y=0;
setCards();
}
if(num1 > 140 && num1 < 170){
canal.setChildIndex(current, images.length-2);
current.y=0;
setCards();
}
if(num1 > 170){
canal.setChildIndex(current, images.length-1);
current.y=0;
setCards();
}
}
private function setCards():void{
var b:int = 0;
var a:int;
var cardsArray:Array = canal.getChildren();
for(a = 0;a < cardsArray.length; a++)
{
canal.getChildAt(a).x = 50+b;
b=b+30;
canal.getChildAt(a).y=0;
}
}
]]>
</mx:Script>
</mx:Application>
PS：我试图用鼠标事件替换拖放事件，并使用鼠标事件获得相同的功能。请有人帮助我。
答案 0 :(得分：0)
希望以下代码可以帮助您： - 您可以按照以下代码使用拖放并在AS中创建它。我用MXML创建了它，它可以让你知道你在寻找什么： -
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600" xmlns:local="*">
<fx:Declarations>
<!-- Place non-visual elements (e.g., services, value objects) here -->
</fx:Declarations>
<fx:Script>
<![CDATA[
import mx.core.DragSource;
import mx.core.UIComponent;
import mx.events.DragEvent;
import mx.managers.DragManager;
private function doDragEnter(event:DragEvent):void
{
DragManager.acceptDragDrop(UIComponent(event.target));
}
private function doDragDrop(event:DragEvent):void
{
var img:RummyItemRenderer;
if (event.dragInitiator.parent == mainCanvas)
{
img = event.dragInitiator as RummyItemRenderer;
//mainCanvas.swapChildren(img, event.currentTarget as RummyItemRenderer);
var index:Number = mainCanvas.getChildIndex(event.currentTarget as RummyItemRenderer);
mainCanvas.removeChild(img);
mainCanvas.addChildAt(img,index);
setCardsPosition();
}
}
private function setCardsPosition():void{
var b:int = 0;
var a:int;
var cardsArray:Array = mainCanvas.getChildren();
for(a = 0;a < cardsArray.length; a++)
{
mainCanvas.getChildAt(a).x = 50+b;
b = b+30;
mainCanvas.getChildAt(a).y=20;
}
}
private function doDragStart(event:MouseEvent):void
{
var dragInitiator:RummyItemRenderer = event.currentTarget as RummyItemRenderer;
var dragSource:DragSource = new DragSource();
DragManager.doDrag(dragInitiator, dragSource, event);
}
]]>
</fx:Script>
<mx:Canvas id="mainCanvas" backgroundColor="#DDDDDD" width="400" height="200" x="50" y="50">
<local:RummyItemRenderer id="firstID" x="{mainCanvas.x}" y="20" width="200" height="80%" backgroundColor="#FF0000"
mouseDown="doDragStart(event)" dragEnter="doDragEnter(event)" dragDrop="doDragDrop(event)"
setImageSource="myImageURL"/>
<local:RummyItemRenderer id="secondID" x="{mainCanvas.x + 30}" y="20" width="200" height="80%" backgroundColor="#00FF00"
mouseDown="doDragStart(event)" dragEnter="doDragEnter(event)" dragDrop="doDragDrop(event)"
setImageSource="myImageURL"/>
<local:RummyItemRenderer id="thirdID" x="{mainCanvas.x + 60}" y="20" width="200" height="80%" backgroundColor="#0000FF"
mouseDown="doDragStart(event)" dragEnter="doDragEnter(event)" dragDrop="doDragDrop(event)"
setImageSource="myImageURL"/>
</mx:Canvas>
</s:Application>
RummyItemRenderer.mxml
<?xml version="1.0" encoding="utf-8"?>
<mx:Canvas xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx" width="100%" height="100%">
<fx:Declarations>
<!-- Place non-visual elements (e.g., services, value objects) here -->
</fx:Declarations>
<fx:Script>
<![CDATA[
[Bindable]
private var _setImageSource:String;
public function get setImageSource():String
{
return _setImageSource;
}
public function set setImageSource(sourceURL:String):void
{
_setImageSource = sourceURL;
}
]]>
</fx:Script>
<s:Image id="imageID" source="{_setImageSource}"/>
</mx:Canvas>