instances attach code!

1.画饼图:author:ycccc8202

Title

/**

* @class:DrawPieGraph(画饼状图)

* @author:ycccc8202

* @date:2007.8.16

* @example:

* import com.ycccc.Graphics.DrawPieGraph

* var dataList:Array=[10,10,10,100,10,10,10,100];

* var pie:DrawPieGraph=new DrawPieGraph(200,200,150,90,15,dataList,null);

* addChild(pie);

* //pie.clearAll()--->清空

* //pie.contain--->获取所有分块的引用对象,方便类外进行操作

*/

package com.ycccc.Graphics{

import fl.transitions.Tween;

import fl.transitions.easing.*;

import fl.transitions.TweenEvent;

import flash.display.MovieClip;

import flash.display.Sprite;

import flash.display.Shape;

import flash.display.Graphics;

import flash.events.MouseEvent;

public class DrawPieGraph extends MovieClip {

public static var PIE_NAME:String="pie"

  //存放shape对象

  private var __contain:Object;

  //设置角度从-90开始

  private var R:int=-90;

  private var D:uint=30;

  private var _shape:Shape;

  //初始饼图的圆心位置

  private var _x0:Number;

  private var _y0:Number;

  //椭圆饼图的长轴与短轴长度

  private var _a:Number;

  private var _b:Number;

  //饼图的厚度

  private var _h:Number;

  //透明度

  private var _alpha:Number;

  //数据列表

  private var _dataList:Array;

  private var _colorList:Array;

  private var _angleList:Array;

  private var _depthList:Array;

  //

  private var _tween1:Tween;

  private var _tween2:Tween;

  /**

  *@param:x0......>圆心x坐标

  *@param:y0......>圆心y坐标

  *@param:a......>长轴

  *@param:b......>短轴

  *@param:h......>厚度

  *@param:dataList......>数据列表

  *@param:dataList......>颜色列表

  *@alpha:Number......>透明度(有确省值)

  */

  public function DrawPieGraph(x0:Number,y0:Number,a:Number,b:Number,h:Number,dataList:Array,colorList:Array,alpha:Number=.7) {

   _x0=x0;

   _y0=y0;

   _a=a;

   _b=b;

   _h=h;

   _alpha=alpha

   _dataList=dataList==null?[1,1,1,1,1,1,1,1]:dataList;

   _colorList=colorList==null?[0xFF0F00,0xFF6600,0xFF9E01,0xFCD202,0xF8FF01,0xB0DE09,0x04D215,0x0D8ECF]:colorList;

   setAngleList();

   drawPie();

   setDepths();

  }

  private function setAngleList():void {

   _angleList=[];

   var totalData:int;

   var len:uint=_dataList.length;

   for (var j:uint=0; j < len; j++) {

    totalData+= _dataList[j];

   }

   for (j=0; j < len; j++) {

    if (j == len - 1) {

     _angleList.push([R,270]);

    } else {

     var r:uint=Math.floor(_dataList[j] / totalData * 360);

     var posR:int=R + r;

     _angleList.push([R,posR]);

     R=posR;

     trace(r+"___r");

     trace(R);

    }

   }

   trace(_angleList + ":::");

  }

  private function setDepths():void {

   _depthList=[];

   var len:uint=_angleList.length;

   for (var j:uint=0; j < len; j++) {

    var minJ:Number=_angleList[j][0];

    var maxJ:Number=_angleList[j][1];

    switch (true) {

     case minJ >= -90 && minJ <= 90 && maxJ<=90 :

      _depthList[j]=minJ;

      break;

     default :

      _depthList[j]=1000-minJ;

    }

   }//end for

   trace(_depthList + "::::_depthList");

   _depthList=_depthList.sort(Array.NUMERIC | Array.RETURNINDEXEDARRAY);

   trace(_depthList);

   for (j=0; j<len; j++) {

    setChildIndex(__contain[DrawPieGraph.PIE_NAME+_depthList[j]],j);

   }

  }

  private function drawPie():void {

   __contain={};

   var len:uint=_angleList.length;

   var step:uint=1;

   for (var j:uint=0; j < len; j++) {

    var pie:MovieClip=__contain[DrawPieGraph.PIE_NAME+j]=new MovieClip;

    //

    pie.out=false;

    //设置中心角，方便以下进行点中移动

   pie.r=(_angleList[j][0]+_angleList[j][1])/2;

    pie.addEventListener(MouseEvent.MOUSE_DOWN,onMouseDownX);

    addChild(pie);

    var drakColor:uint=getDarkColor(_colorList[j]);//深色

    var g:Graphics=pie.graphics;

    //g.lineStyle(1);

    //先画底

    //内弧

    g.beginFill(_colorList[j],_alpha);

    g.moveTo(_x0,_y0+_h);

    var r:Number=_angleList[j][0];

    var minR:Number=r;

    var maxR:int=_angleList[j][1];

    while (r + step < maxR) {

     g.lineTo(getRPoint(_x0,_y0 + _h,_a,_b,r).x,getRPoint(_x0,_y0 + _h,_a,_b,r).y);

     r+= step;

    }

    g.lineTo(getRPoint(_x0,_y0 + _h,_a,_b,maxR).x,getRPoint(_x0,_y0 + _h,_a,_b,maxR).y);

    //

    g.endFill();

    //画内侧面

    g.beginFill(drakColor,_alpha);

    g.moveTo(_x0,_y0+_h);

    g.lineTo(getRPoint(_x0,_y0 + _h,_a,_b,minR).x,getRPoint(_x0,_y0 + _h,_a,_b,minR).y);

    g.lineTo(getRPoint(_x0,_y0,_a,_b,minR).x,getRPoint(_x0,_y0,_a,_b,minR).y);

    g.lineTo(_x0,_y0);

    g.endFill();

    //画外侧面

    g.beginFill(drakColor,_alpha);

    g.moveTo(_x0,_y0+_h);

    g.lineTo(getRPoint(_x0,_y0 + _h,_a,_b,maxR).x,getRPoint(_x0,_y0 + _h,_a,_b,maxR).y);

    g.lineTo(getRPoint(_x0,_y0,_a,_b,maxR).x,getRPoint(_x0,_y0,_a,_b,maxR).y);

    g.lineTo(_x0,_y0);

    g.endFill();



    //画外弧侧面

    g.beginFill(drakColor,_alpha);

    //g.lineStyle(1);

    g.moveTo(getRPoint(_x0,_y0 + _h,_a,_b,minR).x,getRPoint(_x0,_y0 + _h,_a,_b,minR).y);

    g.lineTo(getRPoint(_x0,_y0,_a,_b,minR).x,getRPoint(_x0,_y0,_a,_b,minR).y);

    r=minR;

    while (r + step < maxR) {

     r+= step;

     g.lineTo(getRPoint(_x0,_y0,_a,_b,r).x,getRPoint(_x0,_y0,_a,_b,r).y);

    }

    g.lineTo(getRPoint(_x0,_y0,_a,_b,maxR).x,getRPoint(_x0,_y0,_a,_b,maxR).y);

    g.lineTo(getRPoint(_x0,_y0 + _h,_a,_b,maxR).x,getRPoint(_x0,_y0 + _h,_a,_b,maxR).y);

    while (r - step > minR) {

     g.lineTo(getRPoint(_x0,_y0 + _h,_a,_b,r).x,getRPoint(_x0,_y0 + _h,_a,_b,r).y);

     r-= step;

    }

    g.lineTo(getRPoint(_x0,_y0 + _h,_a,_b,minR).x,getRPoint(_x0,_y0 + _h,_a,_b,minR).y);

    g.endFill();

    //画上表面

    g.beginFill(_colorList[j],_alpha);

    g.moveTo(_x0,_y0);

    r=minR;

    while (r + step < maxR) {

     g.lineTo(getRPoint(_x0,_y0,_a,_b,r).x,getRPoint(_x0,_y0,_a,_b,r).y);

     r+= step;

    }

    g.lineTo(getRPoint(_x0,_y0,_a,_b,maxR).x,getRPoint(_x0,_y0,_a,_b,maxR).y);

    g.endFill();

   }

  }

  private function onMouseDownX(e:MouseEvent):void {

   var TG:MovieClip=e.target as MovieClip;

   var posX:Number=getRPoint(0,0,D,D,TG.r).x;

   var posY:Number=getRPoint(0,0,D,D,TG.r).y;

   if (!TG.out) {

    trace("///////");

    trace("起点");

    trace(TG.name);

    trace("///////");

    TG.removeEventListener(MouseEvent.MOUSE_DOWN,onMouseDownX);

    TG["tweenX"]=new Tween(TG,"x",Bounce.easeOut,0,posX,1.5,true);

    TG["tweenY"]=new Tween(TG,"y",Bounce.easeOut,0,posY,1.5,true);

   } else {

    trace("///////");

    trace("终点");

    trace(TG.name);

    trace("///////");

    TG.removeEventListener(MouseEvent.MOUSE_DOWN,onMouseDownX);

    trace([TG.x,TG.y]);

    TG["tweenX"]=new Tween(TG,"x",Bounce.easeOut,TG.x,0,1,true);

    TG["tweenY"]=new Tween(TG,"y",Bounce.easeOut,TG.y,0,1,true);

   }

   TG["tweenX"].addEventListener(TweenEvent.MOTION_FINISH,onMotionFinish);

  }

  private function onMotionFinish(e:TweenEvent):void {

   //trace(e.position+"...position");

   var TG:MovieClip=e.currentTarget.obj as MovieClip;

   TG["tweenX"].removeEventListener(TweenEvent.MOTION_FINISH,onMotionFinish);

   TG.out=!TG.out?true:false

   TG.addEventListener(MouseEvent.MOUSE_DOWN,onMouseDownX);

  }

  private function getDarkColor(color:uint):uint {

   var r:uint=color >> 16 & 0xFF / 1.3;

   var g:uint=color >> 8 & 0xFF / 1.3;

   var b:uint=color & 0xFF /1.1;

   return r << 16 | g << 8 | b;

  }

  private function getRPoint(x0:Number,y0:Number,a:Number,b:Number,r:Number):Object {

   r=r * Math.PI / 180;

   return {x:Math.cos(r) * a + x0,y:Math.sin(r) * b + y0};

  }

  public function get contain():Object {

   return __contain;

  }

  public function clearAll():void {//清除内容

   var len:uint=_dataList.length;

   for (var j:uint=0; j<len; j++) {

    removeChild(__contain[DrawPieGraph.PIE_NAME+j]);

    __contain[DrawPieGraph.PIE_NAME+j]=null;

    

   }

  }

}

}

源文件：画饼
效果：http://space.flash8.net/bbs/attachment.php?aid=329983

2.游戏寻路（组件）

Title
import CYPL.utils.FindPath
var w:uint=50;
var h:uint=50;//地图的行列，这里为50行，50列
function createMap():Array{//创建地图
var map:Array=[]
for (var iy:uint = 0; iy<h; iy++) {
  map [iy] = [];
  for (var ix:uint = 0; ix<w; ix++) {
map [iy][ix] =Math.random()<.2?1:0
//建立0,1地图，0表示可以行动的，1表示障碍
  }
}
return map
}
var timer:uint=getTimer()
var p:Array=createMap()
var fp:FindPath=new FindPath(p);
var pathList:Array=fp.getPath4(new Point(0,0),new Point(49,49))
trace("耗时:",getTimer()-timer,"ms")
trace(pathList)//获取的路径格式[new Point(x,y),new Point(x,y),new Point(x,y)...],自己看着用吧！
//pathList为null表示是条死路

源文件：附件：寻路组件
效果：http://space.flash8.net/bbs/attachment.php?aid=334517

3.BitmapData抠图

Title

package {

import flash.display.*;

import flash.events.*;

import flash.net.URLRequest;

import flash.geom.*;

import flash.filters.*;

/**

  * @author CYPL

  * 设置图片元件实例名为Image

  */

public class CutImageTest extends Sprite {

  private var _imageBitmapData : BitmapData;

  private var _imageHotAreaData:BitmapData;

  private var _imageBitmap : Bitmap;

  private var _mouseRectContainer:Sprite;

  private var _mouseRectStartX:Number;

  private var _mouseRectStartY:Number;

  private var _imageClipDraging:Boolean;

  private var _currentDragClip:Sprite;

  public function CutImageTest() {

   

   _mouseRectContainer=new Sprite;

   Image.visible=false;

   _imageBitmapData=new BitmapData(Image.width,Image.height,true,0),_imageBitmapData.draw(Image);

   _imageBitmap=Bitmap(addChild(new Bitmap(_imageBitmapData)))

   _imageBitmap.x=30

   _imageBitmap.y=30

   configMouseEvent();

   //----------hitTestArea------------------------

   var c:ColorTransform=new ColorTransform;

   c.color=0xff0000;

   _imageHotAreaData=_imageBitmapData.clone();

   _imageHotAreaData.draw(_imageHotAreaData,null,c);

  }

  private function configMouseEvent():void {

   stage.addEventListener(MouseEvent.MOUSE_DOWN,mouseDownHandler,false,0,true);

   stage.addEventListener(MouseEvent.MOUSE_UP,mouseUpHandler,false,0,true);

  }

  /**************************drawRect handler*******************************/

  private function mouseDownHandler(evt:MouseEvent):void {//mouse_down

   if (_imageClipDraging) {

    return;

   }

   addChild(_mouseRectContainer);

   _mouseRectStartX=evt.stageX;

   _mouseRectStartY=evt.stageY;

   stage.addEventListener(MouseEvent.MOUSE_MOVE,mouseMoveHandler);

  }

  private function mouseUpHandler(evt:MouseEvent):void {//mouse_up

   

   //_currentDragClip&&();

   _imageClipDraging&&(_currentDragClip.stopDrag(),_imageClipDraging=false,_currentDragClip.alpha=1)||(cutImage(checkIntersection()),_mouseRectContainer.graphics.clear(),stage.removeEventListener(MouseEvent.MOUSE_MOVE,mouseMoveHandler))

   

  }

  private function mouseMoveHandler(evt:MouseEvent):void {//mouse_move

   evt.updateAfterEvent();

   var minX:Number=Math.min(evt.stageX,_mouseRectStartX)

   var minY:Number=Math.min(evt.stageY,_mouseRectStartY)

   var maxX:Number=Math.max(evt.stageX,_mouseRectStartX)

   var maxY:Number=Math.max(evt.stageY,_mouseRectStartY)

with(_mouseRectContainer.graphics){

   clear();

   lineStyle(0);

   beginFill(0xffff00,.5);

   drawRect(0,0,maxX-minX,maxY-minY);}

   _mouseRectContainer.x=minX;

   _mouseRectContainer.y=minY;

  }

  /************************************************************************/

  /**************************drag  handler*******************************/

  private function clipMouseDownHandler(evt:MouseEvent):void {//mouse_down

   var target:Sprite=evt.target as Sprite;

   _currentDragClip=target;

   _currentDragClip.alpha=.5;

   _imageClipDraging=true;

   addChild(target);

   _currentDragClip.startDrag(false);

  }

  /************************************************************************/

  private function checkIntersection():Rectangle {

   var intersectRect:Rectangle=_imageBitmapData.rect.intersection(new Rectangle(_mouseRectContainer.x-_imageBitmap.x,_mouseRectContainer.y-_imageBitmap.y,_mouseRectContainer.width,_mouseRectContainer.height));

   trace("与源图BitmapData相交范围:"+intersectRect);

   if (intersectRect.width==0 || intersectRect.height==0) {

    return null;

   }

   var bitmapData:BitmapData=new BitmapData(intersectRect.width,intersectRect.height,true,0);

   bitmapData.draw(_imageHotAreaData,new Matrix(1,0,0,1,-intersectRect.x,-intersectRect.y),null,null,new Rectangle(0,0,intersectRect.width,intersectRect.height));

   var intersectHotAreaRect:Rectangle=bitmapData.getColorBoundsRect(0xFFFF0000, 0xFFFF0000,true);

   trace("最终切图块的范围:"+intersectHotAreaRect);

   if (intersectHotAreaRect.width==0 || intersectHotAreaRect.height==0) {

    

    

    return null;

   }

   //扩展范围避免误差

   intersectHotAreaRect.x-=1

   intersectHotAreaRect.y-=1

   intersectHotAreaRect.width+=2

   intersectHotAreaRect.height+=2

   return intersectHotAreaRect;

  }

  private function cutImage(rect:Rectangle):void {//关键的切图部分

   if (!rect) {

    return;

   }

   var clipBitmapData:BitmapData=new BitmapData(rect.width,rect.height,true,0);

   var cliptX:Number=(_mouseRectContainer.x=_mouseRectContainer.x<_imageBitmap.x?0:_mouseRectContainer.x-_imageBitmap.x)+rect.x;

   var cliptY:Number=(_mouseRectContainer.y=_mouseRectContainer.y<_imageBitmap.y?0:_mouseRectContainer.y-_imageBitmap.y)+rect.y;

   clipBitmapData.draw(_imageBitmapData,new Matrix(1,0,0,1,-cliptX,-cliptY),null,null,new Rectangle(0,0,rect.width,rect.height));//intersectHotAreaRect)

   var clipBitmap:Bitmap=new Bitmap(clipBitmapData);

   clipBitmap.filters=[new GlowFilter(0,1,2,2,10,1)];

   var sprite:Sprite=new Sprite

   with(sprite.graphics){

   lineStyle(0);

   lineTo(rect.width,0);

   lineTo(rect.width,rect.height);

   lineTo(0,rect.height);

   lineTo(0,0);}

   sprite.x=_mouseRectContainer.x+rect.x+_imageBitmap.x

   sprite.y=_mouseRectContainer.y+rect.y+_imageBitmap.y

   sprite.addEventListener(MouseEvent.MOUSE_DOWN,clipMouseDownHandler);

   Sprite(addChild(sprite)).addChild(clipBitmap)

   var fillRect:Rectangle=new Rectangle(sprite.x-_imageBitmap.x,sprite.y-_imageBitmap.y,rect.width,rect.height);

   _imageBitmapData.fillRect(fillRect,0);

   _imageHotAreaData.fillRect(fillRect,0);

   

  }

}

}

源文件：附件：切图
效果：http://space.flash8.net/bbs/attachment.php?aid=343893

posted on 2008-03-28 19:20 i'am sl 阅读(254) 评论(1) 收藏举报

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