forked from: forked from: forked from: Tiling

BitmapをやめてShapeにしてみた。
構造理解のため、そぎ落とせるところはそぎ落としている。

※ 止まりません。

by qop 02 May 2010

Tags

BitmapData portada tiling
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/**
 * Copyright qop ( http://wonderfl.net/user/qop )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/2ri3
 */

// forked from wannigoh's forked from: forked from: Tiling
// forked from whirlpower's forked from: Tiling
// forked from quqjp's Tiling
package 
{
	/*
	* BitmapをやめてShapeにしてみた。
	* 構造理解のため、そぎ落とせるところはそぎ落としている。
	*
	* ※ 止まりません。
	*/

	import flash.display.*;
	import flash.events.Event;
	
	public class FlashTest extends Sprite
	{
		private var mapLogic:MapLogic;
		
		public function FlashTest():void
		{
			mapLogic = new MapLogic( 45, 45, 10, 10 );
			addEventListener( Event.ENTER_FRAME, render );
		}
		
		private function render( e:Event ):void
		{
			addChild( mapLogic.create() );
		}
	}
}

import flash.display.*;
	
internal class MapLogic
{
	private var _map			:Array = [];
	private var gridW		:int;
	private var gridH		:int;
	private var tileMax		:int;
	private var tileScale	:int = 10;
	public  var emptyPos		:int = 0;
	
	public function MapLogic( gridW:int, gridH:int, tileMax:int, tileScale:int ):void
	{
		this.gridW		= gridH;
		this.gridH		= gridW;
		this.tileMax		= tileMax;
		this.tileScale	= tileScale;
	}
	
	public function create():Tile
	{
		var position		:int = -1;
		var emptyWidth	:int = 0;
		
		for ( var i:int = emptyPos; i < emptyPos + 500 ; i++ ){
			if ( !_map[i] && position == -1 ){
				position = i;
				emptyWidth++;
			} else if ( emptyWidth >= tileMax ){
				break;
			} else if ( !_map[i] && !( i % gridW == 0 && i != emptyPos ) ) {
				emptyWidth++;
			} else if ( position != -1 ) {
				break;
			}
		}
		var ww:int	= int( Math.random() * emptyWidth )+1;
		
		var p:int = position;
		for ( var yy:int = 0; yy < ww; yy++ ){
			for ( var xx:int = 0; xx < ww; xx++ ){
				_map[p] = 1;
				p++;
			}
			p += gridW - ww;
		}
		emptyPos = position + ww;
		
		var px:int = position % gridW * tileScale;
		var py:int = position == 0 ? 0 : int( position / gridW ) * tileScale;
			
		return new Tile( px, py, ww* tileScale, ww * tileScale );
	}
}

internal class Tile extends Shape
{
	public function Tile( _x:int, _y:int, _w:int, _h:int ):void
	{
		this.x = _x;
		this.y = _y;
		
		graphics.lineStyle( 1, 0x000000 );
		graphics.drawRect( 0, 0, _w, _h );
	}
}