// forked from minon's さらにゆらゆら～
// forked from minon's ゆらゆら～
// forked from minon's なんだかちょっと旗っぽい
// forked from minon's なみなみ
/**
 * 陰影つけてみた
 * いっかしょ計算があわへんところがある、あと、ラインを消すと微妙な隙間が出来る
 * @author minon
 */
package {
	
	import flash.display.*;
	import flash.events.Event;
	import flash.geom.*;
	import flash.net.URLRequest;
	import flash.system.LoaderContext;
	import flash.text.TextField;
	import flash.utils.getTimer;
	
	[SWF (width="465",height="465",frameRate="60",backgroundColor="#000000")]
	public class FlashTest extends Sprite {
		
		public var _outline:Sprite;
		public var _canvas:Bitmap;
		
		public var _n:int = 20;
		public var _l:int = 320;
		
		public var _t:Number = 0;
		
		public var _pArray:Array = [];
		public var _bitmapdata:BitmapData;
		
		public function FlashTest() {
			
			var loader:Loader = new Loader();
			loader.contentLoaderInfo.addEventListener( Event.COMPLETE, this.init );
			loader.load( new URLRequest("http://labs.minomix.net/img/minon.jpg"), new LoaderContext(true) );
			
		}
		
		public function init(e:Event):void {
			
			var loader:Loader = LoaderInfo( e.target ).loader;
			_bitmapdata = Bitmap( loader.content ).bitmapData;
                        
			this.addChild( _canvas = new Bitmap( new BitmapData( 465, 465, true, 0x00FF0000 ) ) );
			this.addChild( _outline = new Sprite() );
			
			var u:Number = _bitmapdata.width / _n;
			for ( var i:int = 0 ; i < _n ; i++ ) {
				
				var bmp:BitmapData = new BitmapData(u, _bitmapdata.height);
				bmp.copyPixels( _bitmapdata, new Rectangle( u * i, 0, u, _bitmapdata.height ), new Point() );
				_pArray.push( new pt( _l / _n * i + 50, 50, bmp ) );
				
			}
			
			this.addEventListener( Event.ENTER_FRAME, update );
			this.addEventListener( Event.ENTER_FRAME, render );
			
		}
		
		private function update(e:Event):void {
			
			_t += 0.1
			
			var p:pt;
			for ( var i:int = 0 ; i < _pArray.length ; i++ ) {
				p = _pArray[i];
				p.y = p.yy + Math.sin( i*0.5 - _t ) * ( 8 * ( i / _pArray.length ) * 3 );
				p.x = p.xx + Math.sin( i*0.5 - _t ) * ( 8 * ( i / _pArray.length ) );
				
			}
			
		}
		
		public function render(e:Event):void {
			
			_outline.graphics.clear();
			_outline.graphics.lineStyle( 2, 0xFF0000 );
			
			var h:int = 320;
			var p:pt;
			var p2:pt;
			_canvas.bitmapData = new BitmapData( 465, 465, true, 0x00FF0000 );
			for ( var i:int = 0 ; i < _pArray.length-1 ; i++ ) {
				p = _pArray[i];
				p2 = _pArray[i + 1];
				var mtx:Matrix = new Matrix( ( p2.x - p.x ) / p.bmp.width, ( p2.y - p.y ) * ( p.bmp.height / h ), 0, h / p.bmp.height, p.x, p.y);
				
				var a:Number = p.y - p.yy;
				
				var ct:ColorTransform = new ColorTransform();
				ct.redOffset = ct.greenOffset = ct.blueOffset = -a*5;
				
				_canvas.bitmapData.draw( p.bmp, mtx, ct, null, null, true );
				
				_outline.graphics.moveTo( p.x, p.y );
				_outline.graphics.lineTo( p2.x, p2.y );
				_outline.graphics.lineTo( p2.x, p2.y+h );
				_outline.graphics.lineTo( p.x, p.y+h );
				_outline.graphics.lineTo( p.x, p.y );
				
			}
		}
	}
}

import flash.display.*;

class pt {
	public var x:Number;
	public var y:Number;
	
	public var xx:Number;
	public var yy:Number;
	
	public var bmp:BitmapData;
	
	public function pt( _x:Number = 0, _y:Number = 0, _bmp:BitmapData = null ) {
		this.xx = this.x = _x;
		this.yy = this.y = _y;
		bmp = _bmp;
	}
}

光と影のゆらゆら～