ff: ff: Line slicer（割れるよ）
/**
* Copyright codeonwort ( http://wonderfl.net/user/codeonwort )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/ee2h
*/
// forked from miyaoka's forked from: Line slicer（割れるよ）
/*
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.geom.ColorTransform;
import flash.display.BitmapData;
import flash.display.Bitmap
import flash.display.Sprite;
import flash.geom.Point;
import flash.geom.Matrix
import flash.geom.Rectangle
import flash.events.MouseEvent;
import flash.events.Event;
[ SWF( width = "465" , height = "465" , backgroundColor = "0x000000" , frameRate = "60" ) ]
public class Slicer extends Sprite
{
private var _container:Sprite = new Sprite();
private var _pointArray:Array
private var src:BitmapData = new BitmapData(465, 465, false, 0x0)
private var dst:BitmapData = new BitmapData(465, 465, true, 0x0)
private var steps:Number = 7
public function Slicer()
{
graphics.beginFill(0);
graphics.drawRect(0, 0, stage.stageWidth, stage.stageHeight);
_pointArray = [
new Point( 0 , 0 ),
new Point( 265 , 0 ),
new Point( 265 , 265 ),
new Point( 0 , 265 )
];
var _sliceObj:LineSliceObject = new LineSliceObject( stage , _pointArray ,0xffffff);
_sliceObj.x = _sliceObj.y = 100;
_container.addChild( _sliceObj );
addChild( _container ).visible = false;
rebuild(), stage.addEventListener( MouseEvent.MOUSE_UP, rebuild)
addChild(new Bitmap(dst))
addEventListener("enterFrame", loop)
}
private function slice():void {
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 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);
}
}
private function rebuild(e:MouseEvent=null):void {
while (_container.numChildren) _container.removeChildAt(0);
var _sliceObj:LineSliceObject = new LineSliceObject( stage , _pointArray ,0xffffff);
_sliceObj.x = _sliceObj.y = 100;
_container.addChild( _sliceObj );
for(var i:int=0 ; i<50 ; i++) slice()
steps = 7
}
private function loop(e:Event):void {
steps = Math.max(0, steps-0.2)
src.fillRect(src.rect, 0x0)
src.draw(_container)
zoomBlur(src, src.rect, dst, zero, steps)
}
private static var zero:Point = new Point
private static var halfAlphaCT:ColorTransform = new ColorTransform(1,1,1,0.5)
public static function zoomBlur(src:BitmapData, srcRect:Rectangle, dst:BitmapData, dstPoint:Point,
steps:uint=6, centerX:Number=0.5, centerY:Number=0.5,
scaleFactor:Number=1.01):void {
if(steps == 0){
dst.copyPixels(src, srcRect, dstPoint)
return
}
var cx:Number = centerX * srcRect.width
var cy:Number = centerY * srcRect.height
var mat:Matrix = new Matrix
var temp:BitmapData = new BitmapData(srcRect.width, srcRect.height, src.transparent, 0x0)
temp.copyPixels(src, srcRect, zero)
for(var i:int=0 ; i<steps ; i++){
mat.translate(-cx, -cy)
mat.scale(scaleFactor, scaleFactor)
mat.translate(cx, cy)
temp.draw(temp, mat, halfAlphaCT)
}
dst.copyPixels(temp, temp.rect, dstPoint)
temp.dispose()
}
}
}
import flash.display.Sprite;
import flash.display.Stage;
import flash.geom.Point;
import flash.events.MouseEvent;
import caurina.transitions.Tweener;
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 ] , _color );
_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 = 30 * 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 ,
rotationX:Math.random()*360,
rotationY:Math.random()*360,
rotationZ:Math.random()*360,
time : 3 } );
Tweener.addTween( _newObj2 , { x : _newObj2.x + _fx2 * _force ,
y : _newObj2.y + _fy2 * _force ,
rotationX:Math.random()*360,
rotationY:Math.random()*360,
rotationZ:Math.random()*360,
time : 3 } );
}
// 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) );
}
}