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2013-08-16 18:14
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sigleBordLine类
<?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"
creationComplete="init()">
<fx:Declarations>
<!-- 将非可视元素（例如服务、值对象）放在此处 -->
</fx:Declarations>
<fx:Script>
<![CDATA[
import aline.LineLag;
import mx.controls.List;
public var lineAngle:MyLineAngle;
public var selected:String = "lineConnect";
public var Butn:Array = []; //存储图形
private var lineList:Array = []; //存储线条
public function init():void
{
canvas.addEventListener(MouseEvent.MOUSE_DOWN, canvasDownHandle);
}
protected function canvasDownHandle(event:MouseEvent):void
{
if(selected == "lineConnect")
{
if(event.target is Button)
{
var btn:Button = event.target as Button;
Butn.push(btn);
/**
* 移动图像的时候，让线条也跟着一起移动的思路是：1.将画的线条存放起来,LineArr[];
* */
lineAngle = new MyLineAngle();
lineAngle.mouseEnabled = false; //有子对象不受到影响，mouseChild子对象受到影响的
ui.addChild(lineAngle);
canvas.addElement(ui);
lineAngle.startPoint = new Point(btn.x + btn.width/2, btn.y + btn.height/2);
lineAngle.endPoint = new Point(event.stageX, event.stageY);
this.addEventListener(MouseEvent.MOUSE_MOVE, drawLineMoveHand);
this.addEventListener(MouseEvent.MOUSE_UP, drawLineUpHand);
}
}else if(selected == "shapeMove")
{
if(event.target is Button)
{
this.addEventListener(MouseEvent.MOUSE_MOVE, shapeMoveHandle);
this.addEventListener(MouseEvent.MOUSE_UP, shapeUpHandle);
}
}
}
protected function drawLineMoveHand(event:MouseEvent):void
{
lineAngle.endPoint = new Point(event.stageX, event.stageY);
lineAngle.drawLine();
}
protected function drawLineUpHand(event:MouseEvent):void
{
trace(event.target)
var btn:Button = event.target as Button;
if(event.target is Button)
{
if(btn.id != Butn[Butn.length-1].id)
{
lineAngle.startPoint = MyLineAngle.getStartLinkPoint(lineAngle.startPoint, lineAngle.endPoint, Butn[Butn.length-1]);
lineAngle.endPoint = new Point(btn.x + btn.width/2, btn.y + btn.height/2);
lineAngle.endPoint = MyLineAngle.getEndLinkPoint(lineAngle.startPoint, lineAngle.endPoint, btn);
// lineList.push(lineAngle);
trace(lineList.length);
// setLink(Butn[Butn.length-1], lineAngle, false); //设置对象的起终点
// setLink(btn, lineAngle, true);
lineAngle.drawLine();
}else
{
lineAngle.removeLine();
}
}else
{
lineAngle.removeLine();
}
this.removeEventListener(MouseEvent.MOUSE_MOVE, drawLineMoveHand);
this.removeEventListener(MouseEvent.MOUSE_UP, drawLineUpHand);
}
private var num:int = 0;
public function setLink(btn:Button, lineAngle:MyLineAngle, flag:Boolean):void
{
var lineFlag:LineHeads = new LineHeads(lineAngle,flag); //线段和对应的端点
lineList[num] = lineFlag;
num++;
trace(num);
}
protected function shapeMoveHandle(event:MouseEvent):void
{
var btn:Button = event.target as Button;
btn.startDrag();
}
protected function shapeUpHandle(event:MouseEvent):void
{
var btn:Button = event.target as Button;
btn.stopDrag();
refreshLink();
this.removeEventListener(MouseEvent.MOUSE_MOVE, shapeMoveHandle);
this.removeEventListener(MouseEvent.MOUSE_UP, shapeUpHandle);
}
protected function refreshLink():void
{
for (var i:int = 0; i < lineList.length; i++)
{
var lineFlag:LineHeads = lineList[i];
var line:MyLineAngle = lineFlag.myLine;
var isHead:Boolean = lineFlag.isHead;
/**
* 如果是连线箭头所指的，则重设线条开始位置
* 如果不是，则重设连线结束
**/
if(isHead){
line.endPoint = line.endPoint;
trace(line.endPoint);
}else{
line.startPoint = line.startPoint;
trace(line.startPoint);
}
line.drawLine();
}
}
]]>
</fx:Script>
<mx:UIComponent id="ui" mouseEnabled="false"/>
<s:BorderContainer id="canvas" width="500" height="500">
<s:Button id="comp1" x="181" y="203" width="91" height="91" label="comp1"/>
<s:Button id="comp2" x="46" y="99" width="91" height="91" label="comp2"/>
<s:Button id="comp3" x="348" y="284" width="91" height="91" label="comp3"/>
<s:Button id="comp4" x="261" y="79" width="91" height="91" label="comp4"/>
<s:Button id="comp5" x="83" y="326" width="91" height="91" label="comp5"/>
<s:Button id="lineConnect" x="29" y="12" label="lineConnect" click="selected = 'lineConnect'"/>
<s:Button id="shapeMove" x="163" y="12" label="shapeMove" click="selected = 'shapeMove'"/>
</s:BorderContainer>
</s:Application>
package aaRight.z.test
{
import aaRight.util.RectHandle;
import com.roguedevelopment.objecthandles.example.SimpleSpriteShape;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.geom.Point;
import maodian.BrokenLineRect;
import mx.core.UIComponent;
import mx.managers.ToolTipManager;
import spark.components.Button;
public class MyLineAngle extends Sprite
{
public var startPoint:Point; //起始节点
public var endPoint:Point; //结束节点、
public var isArrow:Boolean = true; //是否有箭头
public var arrowSize:uint = 6; //箭头大小
public var lineColor:uint = 0x000000; //颜色
public var tip:String = "线条"; //提示语
public var isHead:Boolean; //是否是箭头,移动的时候用到的
public function MyLineAngle()
{
super();
}
public function drawLine():void
{
//************还要扩展，扩展成能够拉的折线的，参考UXine**********
this.graphics.clear();
this.graphics.lineStyle(2, lineColor);
this.graphics.moveTo(startPoint.x, startPoint.y);
this.graphics.lineTo(endPoint.x, endPoint.y);
// this.toolTip = tip;
//-----画箭头------
if(isArrow)
{
var angle:Number = this.getAngle();
var centerX:Number = endPoint.x - arrowSize * Math.cos(angle*(Math.PI/180));
var centerY:Number = endPoint.y + arrowSize * Math.sin(angle*(Math.PI/180));
var leftX:Number = centerX + arrowSize * Math.cos((angle+120)*(Math.PI/180));
var leftY:Number = centerY - arrowSize * Math.sin((angle+120)*(Math.PI/180));
var rightX:Number = centerX + arrowSize * Math.cos((angle+240)*(Math.PI/180));
var rightY:Number = centerY - arrowSize * Math.sin((angle+240)*(Math.PI/180));
this.graphics.lineStyle(2,lineColor,1);
this.graphics.moveTo(endPoint.x,endPoint.y);
this.graphics.lineTo(leftX,leftY);
this.graphics.lineTo(centerX,centerY);
this.graphics.lineTo(rightX,rightY);
this.graphics.lineTo(endPoint.x,endPoint.y);
}
}
//得到线的角度
public function getAngle():Number
{
var temX:Number = endPoint.x - startPoint.x;
var temY:Number = startPoint.y - endPoint.y;
var angle:Number = Math.atan2(temY,temX) * (180/Math.PI)
return angle;
}
//联系节点与鼠标坐标，并获得交叉点
public static function getStartLinkPoint(fromPoint:Point, targetPoint:Point, acrossNode:Button):Point{
/**
* 需要说明的是，BaseNode是用在canvans中间的，flex4中间用BasicLayout加上组件来进行的
*/
var angle:Number = getAngle(fromPoint, targetPoint);
var distanceX:Number = Math.abs(( acrossNode.width/2 )*( targetPoint.x-fromPoint.x )/(targetPoint.y-fromPoint.y));
var distanceY:Number = Math.abs(( acrossNode.width/2 )*( targetPoint.y-fromPoint.y )/(targetPoint.x-fromPoint.x));
if(targetPoint.x < fromPoint.x)
{
distanceX= -distanceX;
}
if(targetPoint.y < fromPoint.y)
{
distanceY = -distanceY;
}
//最终的x,y坐标的
var x:Number = 0;
var y:Number = 0
if(angle >= 45 && angle < 135) //应该是八种情况来处理的
{
x = fromPoint.x + distanceX;
y = acrossNode.y;
}else if(angle >= 135 && angle <225)
{
x = acrossNode.x;
y = fromPoint.y + distanceY;
}else if(angle >= 225&&angle <= 315)
{
x = fromPoint.x + distanceX;
y = fromPoint.y + acrossNode.height/2;
}else
{
x = fromPoint.x + acrossNode.width/2;
y = fromPoint.y + distanceY;
}
return new Point(x,y);
}
public static function getAngle(fromPoint:Point, targetPoint:Point):Number{
/**为了与三角坐标一致，y坐标的值要反过来？？？？？？怎么反*/
var radian:Number=Math.abs(Math.atan((targetPoint.x-fromPoint.x)/(targetPoint.y-fromPoint.y)));
var angle:Number = radian*180/Math.PI;
if((targetPoint.x >= fromPoint.x) && (targetPoint.y <= fromPoint.y)) //0~90区域
{
angle = 90 - angle;
}
else if((targetPoint.x <= fromPoint.x) && (targetPoint.y <= fromPoint.y)) //90~180区域
{
angle = 90 + angle;
}
else if((targetPoint.x <= fromPoint.x) && (targetPoint.y >= fromPoint.y)) //180~270区域
{
angle = 270 - angle;
}
else if((targetPoint.x >= fromPoint.x) && (targetPoint.y >= fromPoint.y)) //270~360区域
{
angle = 270 + angle;
}
return angle;
}
public static function getEndLinkPoint(fromPoint:Point, targetPoint:Point, acrossNode:Button):Point{
/**
* 需要说明的是，BaseNode是用在canvans中间的，flex4中间用BasicLayout加上组件来进行的
*/
var angle:Number = getAngle(fromPoint, targetPoint);
var distanceX:Number = Math.abs(( acrossNode.width/2 )*( targetPoint.x-fromPoint.x )/(targetPoint.y-fromPoint.y));
var distanceY:Number = Math.abs(( acrossNode.width/2 )*( targetPoint.y-fromPoint.y )/(targetPoint.x-fromPoint.x));
if(targetPoint.x < fromPoint.x)
{
distanceX= -distanceX;
}
if(targetPoint.y < fromPoint.y)
{
distanceY = -distanceY;
}
//最终的x,y坐标的
var x:Number = 0;
var y:Number = 0
if(angle >= 45 && angle < 135)
{
x = targetPoint.x - distanceX;
y = targetPoint.y + acrossNode.height/2;
}else if(angle >= 135 && angle <225)
{
x = targetPoint.x + acrossNode.width/2;
y = targetPoint.y + distanceY;
}else if(angle >= 225&&angle <= 315)
{
x = targetPoint.x + distanceX;
y = targetPoint.y - acrossNode.height/2;
}else
{
x = targetPoint.x - acrossNode.width/2;
y = targetPoint.y - distanceY;
}
return new Point(x,y);
}
public function removeLine():void
{
this.graphics.clear();
}
//-----------------------------------------------------------------------------------------------------------------
/** 直角线的画出来
* */
public var XPoint:Point = new Point();
public function draw2Line(pointX:int, pointY:int):void
{
//还应该判断起始点，确定线段和箭头的
XPoint.x = pointX;
XPoint.y = pointY;
this.graphics.clear();
this.graphics.lineStyle(2,lineColor);
this.graphics.moveTo(startPoint.x, startPoint.y);
this.graphics.lineTo(pointX, pointY);
this.graphics.moveTo(pointX, pointY);
this.graphics.lineTo(endPoint.x, endPoint.y);
// this.toolTip = tip;
if(isArrow){
var angle:Number = this.get2Angle(pointX,pointY);
var centerX:Number = endPoint.x - arrowSize * Math.cos(angle * (Math.PI/180));
var centerY:Number = endPoint.y + arrowSize * Math.sin(angle * (Math.PI/180));
var leftX:Number = centerX + arrowSize * Math.cos((angle+120) * (Math.PI/180));
var leftY:Number = centerY - arrowSize * Math.sin((angle+120) * (Math.PI/180));
var rightX:Number = centerX + arrowSize * Math.cos((angle+240) * (Math.PI/180));
var rightY:Number = centerY - arrowSize * Math.sin((angle+240) * (Math.PI/180));
this.graphics.lineStyle(2,lineColor,1);
this.graphics.moveTo(endPoint.x,endPoint.y);
this.graphics.lineTo(leftX,leftY);
this.graphics.lineTo(centerX,centerY);
this.graphics.lineTo(rightX,rightY);
this.graphics.lineTo(endPoint.x,endPoint.y);
}
}
//控制中间点与终点的角度来计算角度
public function get2Angle(pointX:Number,pointY:Number):Number
{
var temX:Number = endPoint.x - pointX;
var temY:Number = pointY - endPoint.y;
var angle:Number = Math.atan2(temY,temX) * (180/Math.PI);
return angle;
}
}
}
<?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"
creationComplete="init()">
<fx:Declarations>
<!-- 将非可视元素（例如服务、值对象）放在此处 -->
</fx:Declarations>
<fx:Script>
<![CDATA[
import aline.LineLag;
import mx.controls.List;
public var lineAngle:MyLineAngle;
public var selected:String = "lineConnect";
public var Butn:Array = []; //存储图形
private var lineList:Array = []; //存储线条
public function init():void
{
canvas.addEventListener(MouseEvent.MOUSE_DOWN, canvasDownHandle);
}
protected function canvasDownHandle(event:MouseEvent):void
{
if(selected == "lineConnect")
{
if(event.target is Button)
{
var btn:Button = event.target as Button;
Butn.push(btn);
/**
* 移动图像的时候，让线条也跟着一起移动的思路是：1.将画的线条存放起来,LineArr[];
* */
lineAngle = new MyLineAngle();
lineAngle.mouseEnabled = false; //有子对象不受到影响，mouseChild子对象受到影响的
ui.addChild(lineAngle);
canvas.addElement(ui);
lineAngle.startPoint = new Point(btn.x + btn.width/2, btn.y + btn.height/2);
lineAngle.endPoint = new Point(event.stageX, event.stageY);
this.addEventListener(MouseEvent.MOUSE_MOVE, drawLineMoveHand);
this.addEventListener(MouseEvent.MOUSE_UP, drawLineUpHand);
}
}else if(selected == "shapeMove")
{
if(event.target is Button)
{
this.addEventListener(MouseEvent.MOUSE_MOVE, shapeMoveHandle);
this.addEventListener(MouseEvent.MOUSE_UP, shapeUpHandle);
}
}
}
protected function drawLineMoveHand(event:MouseEvent):void
{
lineAngle.endPoint = new Point(event.stageX, event.stageY);
lineAngle.drawLine();
}
protected function drawLineUpHand(event:MouseEvent):void
{
trace(event.target)
var btn:Button = event.target as Button;
if(event.target is Button)
{
if(btn.id != Butn[Butn.length-1].id)
{
lineAngle.startPoint = MyLineAngle.getStartLinkPoint(lineAngle.startPoint, lineAngle.endPoint, Butn[Butn.length-1]);
lineAngle.endPoint = new Point(btn.x + btn.width/2, btn.y + btn.height/2);
lineAngle.endPoint = MyLineAngle.getEndLinkPoint(lineAngle.startPoint, lineAngle.endPoint, btn);
// lineList.push(lineAngle);
trace(lineList.length);
// setLink(Butn[Butn.length-1], lineAngle, false); //设置对象的起终点
// setLink(btn, lineAngle, true);
lineAngle.drawLine();
}else
{
lineAngle.removeLine();
}
}else
{
lineAngle.removeLine();
}
this.removeEventListener(MouseEvent.MOUSE_MOVE, drawLineMoveHand);
this.removeEventListener(MouseEvent.MOUSE_UP, drawLineUpHand);
}
private var num:int = 0;
public function setLink(btn:Button, lineAngle:MyLineAngle, flag:Boolean):void
{
var lineFlag:LineHeads = new LineHeads(lineAngle,flag); //线段和对应的端点
lineList[num] = lineFlag;
num++;
trace(num);
}
protected function shapeMoveHandle(event:MouseEvent):void
{
var btn:Button = event.target as Button;
btn.startDrag();
}
protected function shapeUpHandle(event:MouseEvent):void
{
var btn:Button = event.target as Button;
btn.stopDrag();
refreshLink();
this.removeEventListener(MouseEvent.MOUSE_MOVE, shapeMoveHandle);
this.removeEventListener(MouseEvent.MOUSE_UP, shapeUpHandle);
}
protected function refreshLink():void
{
for (var i:int = 0; i < lineList.length; i++)
{
var lineFlag:LineHeads = lineList[i];
var line:MyLineAngle = lineFlag.myLine;
var isHead:Boolean = lineFlag.isHead;
/**
* 如果是连线箭头所指的，则重设线条开始位置
* 如果不是，则重设连线结束
**/
if(isHead){
line.endPoint = line.endPoint;
trace(line.endPoint);
}else{
line.startPoint = line.startPoint;
trace(line.startPoint);
}
line.drawLine();
}
}
]]>
</fx:Script>
<mx:UIComponent id="ui" mouseEnabled="false"/>
<s:BorderContainer id="canvas" width="500" height="500">
<s:Button id="comp1" x="181" y="203" width="91" height="91" label="comp1"/>
<s:Button id="comp2" x="46" y="99" width="91" height="91" label="comp2"/>
<s:Button id="comp3" x="348" y="284" width="91" height="91" label="comp3"/>
<s:Button id="comp4" x="261" y="79" width="91" height="91" label="comp4"/>
<s:Button id="comp5" x="83" y="326" width="91" height="91" label="comp5"/>
<s:Button id="lineConnect" x="29" y="12" label="lineConnect" click="selected = 'lineConnect'"/>
<s:Button id="shapeMove" x="163" y="12" label="shapeMove" click="selected = 'shapeMove'"/>
</s:BorderContainer>
</s:Application>
package aaRight.z.test
{
import aaRight.util.RectHandle;
import com.roguedevelopment.objecthandles.example.SimpleSpriteShape;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.geom.Point;
import maodian.BrokenLineRect;
import mx.core.UIComponent;
import mx.managers.ToolTipManager;
import spark.components.Button;
public class MyLineAngle extends Sprite
{
public var startPoint:Point; //起始节点
public var endPoint:Point; //结束节点、
public var isArrow:Boolean = true; //是否有箭头
public var arrowSize:uint = 6; //箭头大小
public var lineColor:uint = 0x000000; //颜色
public var tip:String = "线条"; //提示语
public var isHead:Boolean; //是否是箭头,移动的时候用到的
public function MyLineAngle()
{
super();
}
public function drawLine():void
{
//************还要扩展，扩展成能够拉的折线的，参考UXine**********
this.graphics.clear();
this.graphics.lineStyle(2, lineColor);
this.graphics.moveTo(startPoint.x, startPoint.y);
this.graphics.lineTo(endPoint.x, endPoint.y);
// this.toolTip = tip;
//-----画箭头------
if(isArrow)
{
var angle:Number = this.getAngle();
var centerX:Number = endPoint.x - arrowSize * Math.cos(angle*(Math.PI/180));
var centerY:Number = endPoint.y + arrowSize * Math.sin(angle*(Math.PI/180));
var leftX:Number = centerX + arrowSize * Math.cos((angle+120)*(Math.PI/180));
var leftY:Number = centerY - arrowSize * Math.sin((angle+120)*(Math.PI/180));
var rightX:Number = centerX + arrowSize * Math.cos((angle+240)*(Math.PI/180));
var rightY:Number = centerY - arrowSize * Math.sin((angle+240)*(Math.PI/180));
this.graphics.lineStyle(2,lineColor,1);
this.graphics.moveTo(endPoint.x,endPoint.y);
this.graphics.lineTo(leftX,leftY);
this.graphics.lineTo(centerX,centerY);
this.graphics.lineTo(rightX,rightY);
this.graphics.lineTo(endPoint.x,endPoint.y);
}
}
//得到线的角度
public function getAngle():Number
{
var temX:Number = endPoint.x - startPoint.x;
var temY:Number = startPoint.y - endPoint.y;
var angle:Number = Math.atan2(temY,temX) * (180/Math.PI)
return angle;
}
//联系节点与鼠标坐标，并获得交叉点
public static function getStartLinkPoint(fromPoint:Point, targetPoint:Point, acrossNode:Button):Point{
/**
* 需要说明的是，BaseNode是用在canvans中间的，flex4中间用BasicLayout加上组件来进行的
*/
var angle:Number = getAngle(fromPoint, targetPoint);
var distanceX:Number = Math.abs(( acrossNode.width/2 )*( targetPoint.x-fromPoint.x )/(targetPoint.y-fromPoint.y));
var distanceY:Number = Math.abs(( acrossNode.width/2 )*( targetPoint.y-fromPoint.y )/(targetPoint.x-fromPoint.x));
if(targetPoint.x < fromPoint.x)
{
distanceX= -distanceX;
}
if(targetPoint.y < fromPoint.y)
{
distanceY = -distanceY;
}
//最终的x,y坐标的
var x:Number = 0;
var y:Number = 0
if(angle >= 45 && angle < 135) //应该是八种情况来处理的
{
x = fromPoint.x + distanceX;
y = acrossNode.y;
}else if(angle >= 135 && angle <225)
{
x = acrossNode.x;
y = fromPoint.y + distanceY;
}else if(angle >= 225&&angle <= 315)
{
x = fromPoint.x + distanceX;
y = fromPoint.y + acrossNode.height/2;
}else
{
x = fromPoint.x + acrossNode.width/2;
y = fromPoint.y + distanceY;
}
return new Point(x,y);
}
public static function getAngle(fromPoint:Point, targetPoint:Point):Number{
/**为了与三角坐标一致，y坐标的值要反过来？？？？？？怎么反*/
var radian:Number=Math.abs(Math.atan((targetPoint.x-fromPoint.x)/(targetPoint.y-fromPoint.y)));
var angle:Number = radian*180/Math.PI;
if((targetPoint.x >= fromPoint.x) && (targetPoint.y <= fromPoint.y)) //0~90区域
{
angle = 90 - angle;
}
else if((targetPoint.x <= fromPoint.x) && (targetPoint.y <= fromPoint.y)) //90~180区域
{
angle = 90 + angle;
}
else if((targetPoint.x <= fromPoint.x) && (targetPoint.y >= fromPoint.y)) //180~270区域
{
angle = 270 - angle;
}
else if((targetPoint.x >= fromPoint.x) && (targetPoint.y >= fromPoint.y)) //270~360区域
{
angle = 270 + angle;
}
return angle;
}
public static function getEndLinkPoint(fromPoint:Point, targetPoint:Point, acrossNode:Button):Point{
/**
* 需要说明的是，BaseNode是用在canvans中间的，flex4中间用BasicLayout加上组件来进行的
*/
var angle:Number = getAngle(fromPoint, targetPoint);
var distanceX:Number = Math.abs(( acrossNode.width/2 )*( targetPoint.x-fromPoint.x )/(targetPoint.y-fromPoint.y));
var distanceY:Number = Math.abs(( acrossNode.width/2 )*( targetPoint.y-fromPoint.y )/(targetPoint.x-fromPoint.x));
if(targetPoint.x < fromPoint.x)
{
distanceX= -distanceX;
}
if(targetPoint.y < fromPoint.y)
{
distanceY = -distanceY;
}
//最终的x,y坐标的
var x:Number = 0;
var y:Number = 0
if(angle >= 45 && angle < 135)
{
x = targetPoint.x - distanceX;
y = targetPoint.y + acrossNode.height/2;
}else if(angle >= 135 && angle <225)
{
x = targetPoint.x + acrossNode.width/2;
y = targetPoint.y + distanceY;
}else if(angle >= 225&&angle <= 315)
{
x = targetPoint.x + distanceX;
y = targetPoint.y - acrossNode.height/2;
}else
{
x = targetPoint.x - acrossNode.width/2;
y = targetPoint.y - distanceY;
}
return new Point(x,y);
}
public function removeLine():void
{
this.graphics.clear();
}
//-----------------------------------------------------------------------------------------------------------------
/** 直角线的画出来
* */
public var XPoint:Point = new Point();
public function draw2Line(pointX:int, pointY:int):void
{
//还应该判断起始点，确定线段和箭头的
XPoint.x = pointX;
XPoint.y = pointY;
this.graphics.clear();
this.graphics.lineStyle(2,lineColor);
this.graphics.moveTo(startPoint.x, startPoint.y);
this.graphics.lineTo(pointX, pointY);
this.graphics.moveTo(pointX, pointY);
this.graphics.lineTo(endPoint.x, endPoint.y);
// this.toolTip = tip;
if(isArrow){
var angle:Number = this.get2Angle(pointX,pointY);
var centerX:Number = endPoint.x - arrowSize * Math.cos(angle * (Math.PI/180));
var centerY:Number = endPoint.y + arrowSize * Math.sin(angle * (Math.PI/180));
var leftX:Number = centerX + arrowSize * Math.cos((angle+120) * (Math.PI/180));
var leftY:Number = centerY - arrowSize * Math.sin((angle+120) * (Math.PI/180));
var rightX:Number = centerX + arrowSize * Math.cos((angle+240) * (Math.PI/180));
var rightY:Number = centerY - arrowSize * Math.sin((angle+240) * (Math.PI/180));
this.graphics.lineStyle(2,lineColor,1);
this.graphics.moveTo(endPoint.x,endPoint.y);
this.graphics.lineTo(leftX,leftY);
this.graphics.lineTo(centerX,centerY);
this.graphics.lineTo(rightX,rightY);
this.graphics.lineTo(endPoint.x,endPoint.y);
}
}
//控制中间点与终点的角度来计算角度
public function get2Angle(pointX:Number,pointY:Number):Number
{
var temX:Number = endPoint.x - pointX;
var temY:Number = pointY - endPoint.y;
var angle:Number = Math.atan2(temY,temX) * (180/Math.PI);
return angle;
}
}
}
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