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Slicer implements GlowLine
miyaoka 2009年8月27日 MIT License
?
@sketchbookgames Fixed the counter bug. ty:)  
 
GlowLine from  
http://wonderfl.kayac.com/code/704630050881c4429dca8c7f27296b6e2fa3fa4f  
  
マウス押しっぱなしで切りまくるようにした  
  
切った後、割れるようにした
      /*
 * @sketchbookgames Fixed the counter bug. ty:)
 *
 * GlowLine from
 * http://wonderfl.kayac.com/code/704630050881c4429dca8c7f27296b6e2fa3fa4f
 * 
 * マウス押しっぱなしで切りまくるようにした
 */
// forked from a24's Line slicer(割れるよ)
// forked from a24's Line slicer
// 切った後、割れるようにした
package  
{
    import flash.display.Sprite;
    import flash.geom.Point;
    import flash.events.MouseEvent;
    import flash.text.TextField;
    import flash.text.TextFormat;
    import flash.text.TextFormatAlign;
    import flash.text.TextFieldAutoSize;
    import flash.events.Event;
    import net.hires.debug.Stats;
    
    [ SWF( width = "465" , height = "465" , backgroundColor = "0x000000" , frameRate = "60" ) ]

    public class Slicer2 extends Sprite
    {
        private    var _container:Sprite = new Sprite();
        private var isPress:Boolean;
        private var counterTfd:TextField = new TextField;
        
        public function Slicer2() 
        {
            graphics.beginFill(0);
            graphics.drawRect(0, 0, stage.stageWidth, stage.stageHeight);
            
//            Wonderfl.capture_delay( 5 );
            
            var _pointArray:Array = [
                new Point( 0 , 0 ),
                new Point( 265 , 0 ),
                new Point( 265 , 265 ),
                new Point( 0 , 265 )
            ];
            
            addChild( _container );
            
            //text
            var tft:TextFormat = new TextFormat();
            tft.align = TextFormatAlign.RIGHT;
            tft.bold = true;
            tft.font = "Verdana";
            tft.color = 0xFFFFFF;
            tft.letterSpacing = 5;
            tft.size = 48;
            
            counterTfd.defaultTextFormat = tft;
            counterTfd.autoSize = TextFieldAutoSize.RIGHT;
            counterTfd.mouseEnabled = false;
            counterTfd.x = stage.stageWidth -20;
            counterTfd.y = stage.stageHeight - 60;
            addChild(counterTfd);
            
            //stats
            addChild(new Stats());
            
            
            //evts
            stage.addEventListener( MouseEvent.MOUSE_DOWN, function ():void 
            {
                isPress = true;
                while (_container.numChildren) _container.removeChildAt(0);
                
                var _sliceObj:LineSliceObject = new LineSliceObject( stage , _pointArray ,
                (Math.random() * 0x99 + 0x66) << 16 | 
                (Math.random() * 0x99 + 0x66) << 8 | 
                (Math.random() * 0x99 + 0x66)
                );
                _sliceObj.x = _sliceObj.y = 100;
                _container.addChild( _sliceObj );
            });
            stage.addEventListener( MouseEvent.MOUSE_UP, function ():void 
            {
                isPress = false;
            });
            addEventListener(Event.ENTER_FRAME, function ():void 
            {
                if (!isPress) return;

                var t1:Number = Math.random() * Math.PI * 2;
                var t2:Number = t1 + Math.random() * (Math.PI * 2 / 3) + Math.PI * 1 / 3;
                
                var Pt1:Point = Point.polar(300, t1).add(new Point(stage.stageWidth/2, stage.stageHeight / 2)); 
                var Pt2:Point = Point.polar(300, t2).add(new Point(stage.stageWidth/2, stage.stageHeight / 2)); 
                
                var gl:GlowLine = new GlowLine(Pt1, Pt2);
                gl.addEventListener("completeLine", function ():void 
                {
                    var lsos:Array = [];
                    for (var i:int = 0; i < _container.numChildren; i++)
                    {
                        lsos.push(_container.getChildAt(i))
                    }
                    for each (var lso:LineSliceObject in lsos)
                    {
                        lso.slice(Pt1, Pt2);
                    }
                    
                    
                    counterTfd.text = _container.numChildren.toString();
                    removeChild(gl);
                    gl = null;
                });
                
                addChild(gl);
                
                

            });
        }
    }
}



import flash.display.Sprite;
import flash.display.Shape
import flash.events.Event;
import flash.display.Stage;
import flash.geom.Point;
import flash.events.MouseEvent;
import caurina.transitions.Tweener;

import flash.filters.DropShadowFilter
import flash.filters.GlowFilter;
import flash.display.Graphics;
class GlowLine
extends Shape
{
//    private var linearr:Array = new Array();
    private var dotarr:Array = new Array();
    public var startPt:Point;
    public var endPt:Point;
    public var t:Number = 0;
    public function GlowLine(startPt:Point, endPt:Point) {
        this.startPt = startPt;
        this.endPt = endPt;
        
        //filters
        filters = [
            new GlowFilter(0xffffff, 1, 16, 8, 1, 3, true, false),
            new GlowFilter(0xffff00, 1, 8, 8, 1, 3, false, false),
            new DropShadowFilter(0, 90, 0xcc3300, 1, 64, 64, 5, 3, false, false, false)
        ];
        
        //evts
        addEventListener(Event.ENTER_FRAME, addPtHandler);
        addEventListener(Event.ENTER_FRAME, drawLineHandler);
        
        //twn
        Tweener.addTween(this, {
            t: 1.0,
            time:Math.random() * 0.2 + 0.1,
            transition: "easeInCubic"
        })
    }
    private function addPtHandler(e:Event):void 
    {
        var obj:Object = new Object();
        obj.x = startPt.x + (endPt.x - startPt.x) * t;
        obj.y = startPt.y + (endPt.y - startPt.y) * t;
        dotarr.push(obj);
        if(t == 1) removeEventListener(Event.ENTER_FRAME, addPtHandler);        
    }
    private function drawLineHandler(e:Event):void {
        if (t == 1 ) {
            dotarr.splice(0, 1);
            
            if (dotarr.length < 5)
            {
            removeEventListener(Event.ENTER_FRAME, drawLineHandler);
            dispatchEvent(new Event("completeLine"));
            return;
            }
        }
        
        var _g:Graphics = graphics;

        _g.clear();
        _g.lineStyle(0, 0xff0000, 100, true, "none", "round", "round", 1);                
        var _prevPoint:Point = null;
        var _dotLength:int = dotarr.length;
        for (var i:int = 1; i < _dotLength; ++i) {        
            var _prevObj:Object = dotarr[i - 1];                                    
            var _currentObj:Object = dotarr[i];

            _g.lineStyle(i / 1.5 * 2  , 0xffffff, 1, true, "none", "round", "round", 1);                
//            var _point:Point = new Point(_prevObj.x + (_currentObj.x - _prevObj.x) / 2, _prevObj.y + (_currentObj.y - _prevObj.y) / 2);                
            //if (_prevPoint) {
                //_g.moveTo(_prevPoint.x,_prevPoint.y);
                //_g.curveTo(_prevObj.x,_prevObj.y,_point.x,_point.y);
            //} else {
                _g.moveTo(_prevObj.x,_prevObj.y);
                _g.lineTo(_currentObj.x,_currentObj.y);
//                _g.lineTo(_point.x,_point.y);
            //}
//            _prevPoint = _point;
        }
        if (_currentObj) {
            _g.lineTo(_currentObj.x, _currentObj.y);
        }        
        
    }    
}
class LineSliceObject extends Sprite
{
    private var _stage:Stage;
    private var _pointArray:Array;
    private var _color:uint;
    private var _point1:Point;
    private var _point2:Point;
    private var _length:int;
    
    public function LineSliceObject( _stage:Stage , _pointArray:Array , _color:uint ) 
    {
        this._stage = _stage;
        this._pointArray = _pointArray;
        this._color = _color;
        drawRectFromPoint( this , _pointArray , _color );
    }

    
    /*
     * ------------------------------------------------------------
     * Graphic描画
     * ------------------------------------------------------------
    */
    private function drawRectFromPoint( _target:* , _pointArray:Array , _color:uint ):void
    {
        _target.graphics.beginFill( _color , 1.0 );
        _target.graphics.moveTo( _pointArray[ 0 ].x , _pointArray[ 0 ].y );
        _length = _pointArray.length;
        for ( var i:int = 1; i < _length; i ++ )
        {
            var _point:Point = _pointArray[ i ];
            _target.graphics.lineTo( _point.x , _point.y );
        }
        _target.graphics.endFill();
    }
    
    /*
     * ------------------------------------------------------------
     * スライス
     * ------------------------------------------------------------
    */
    public function slice( _point1:Point , _point2:Point ):void
    {
        var _pt1:Point = globalToLocal( _point1 );
        var _pt2:Point = globalToLocal( _point2 );
        var _newPointArray:Array = [ new Array() , new Array() ];
        var _numCloss:int = 0;
        
        for ( var i:int = 0; i < _length ; i ++ ) 
        {
            var _pt3:Point = _pointArray[ i ];
            var _pt4:Point = ( _pointArray[ i + 1 ] ) ? _pointArray[ i + 1 ] : _pointArray[ 0 ];
            var _clossPt:Point = crossPoint( _pt1 , _pt2 , _pt3 , _pt4 );
            
            _newPointArray[ 0 ].push( _pt3 );
            if ( _clossPt )
            {
                _newPointArray[ 0 ].push( _clossPt );
                _newPointArray[ 1 ].push( _clossPt );
                _newPointArray.reverse();
                _numCloss ++;
            }
        }
        if ( _numCloss == 2 )
        {
            var _newObj1:LineSliceObject = new LineSliceObject( _stage , _newPointArray[ 0 ] , _color );
            var _newObj2:LineSliceObject = new LineSliceObject( _stage , _newPointArray[ 1 ] , Math.random() * 0xFFFF00 );
            _newObj1.x = _newObj2.x = this.x;
            _newObj1.y = _newObj2.y = this.y;
            parent.addChild( _newObj1 );
            parent.addChild( _newObj2 );
            parent.removeChild( this );

            var _vector:Point = _pt2.subtract( _pt1 );
            var _angle:Number = Math.atan2( _vector.y , _vector.x );
            var _force:int = 6 * Math.random() * 20;
            var _fx:Number = Math.abs( Math.sin( _angle ) );
            var _fy:Number = Math.abs( Math.cos( _angle ) );
            var _fx1:Number = ( _newPointArray[0][0].x < _newPointArray[1][0].x ) ? -_fx : _fx;
            var _fx2:Number = ( _newPointArray[1][0].x < _newPointArray[0][0].x ) ? -_fx : _fx;
            var _fy1:Number = ( _newPointArray[0][0].y < _newPointArray[1][0].y ) ? -_fy : _fy;
            var _fy2:Number = ( _newPointArray[1][0].y < _newPointArray[0][0].y ) ? -_fy : _fy;
            
            Tweener.addTween( _newObj1 , { x : _newObj1.x + _fx1 * _force , y : _newObj1.y + _fy1 * _force , time : Math.random()*4+2, transition:"easeOutExpo" } );
            Tweener.addTween( _newObj2 , { x : _newObj2.x + _fx2 * _force , y : _newObj2.y + _fy2 * _force , time : Math.random()*4+2, transition:"easeOutExpo" } );
        }
//        else _stage.addEventListener( MouseEvent.MOUSE_DOWN , mouseDownHandler );
    }
    
    /*
     * ------------------------------------------------------------
     * 交点を割り出す
     * ------------------------------------------------------------
    */
    private function crossPoint( _pt1:Point , _pt2:Point , _pt3:Point , _pt4:Point ):Point
    {    
        var _vector1:Point = _pt2.subtract( _pt1 );
        var _vector2:Point = _pt4.subtract( _pt3 );
        
        if ( cross( _vector1, _vector2 ) == 0.0) return null;
        
        var _s:Number = cross( _vector2 , _pt3.subtract( _pt1) ) / cross( _vector2 , _vector1 );
        var _t:Number = cross( _vector1, _pt1.subtract( _pt3 ) ) / cross( _vector1, _vector2 );

        if ( isCross( _s ) && isCross( _t ) )
        {
            _vector1.x *= _s;
            _vector1.y *= _s;
            return _pt1.add( _vector1 );
        }
        else return null;
    }
        
    private function cross( _vector1:Point , _vector2:Point ):Number
    {
        return ( _vector1.x * _vector2.y - _vector1.y * _vector2.x );
    }
    
    public static function isCross( _n:Number ):Boolean
    {
        return ( ( 0 <= _n ) && ( _n <= 1) );
    }
}