// forked from miyaoka's Maze generator(singular route) //棒倒し法、カベ重複無し版（単一ルート） package { import flash.display.Sprite; import flash.events.MouseEvent; [SWF(width="465", height="465", backgroundColor= 0x000000, frameRate="60")] public class Maze extends Sprite { public function Maze() :void { stage.addEventListener(MouseEvent.MOUSE_DOWN, mouseDownHandler); mouseDownHandler(null); } private function mouseDownHandler(e:MouseEvent):void { while (numChildren) removeChildAt(0); var num:uint = 10; var maze:MazeContainer = new MazeContainer(num, num); maze.scaleX = maze.scaleY = stage.stageWidth / (num * 2 +1); maze.width = maze.height -= 30; maze.x = (stage.stageWidth - maze.width) / 2 maze.y = (stage.stageHeight - maze.height) / 2 addChild(maze); } } } import flash.display.Sprite import flash.geom.Matrix; import flash.display.BitmapData; import flash.display.Bitmap; class MazeContainer extends Bitmap { public function MazeContainer(col:uint = 1, row:uint = 1) :void { bitmapData = new BitmapData(col * 2 + 1, row * 2 + 1, false, 0xFFFFFFFF); bitmapData.lock(); var c:uint; var r:uint; var block:Block; var lastBlockIsBotton:Boolean = false; //col:0 for (r = 0; r < row; r++) { block = new Block(!lastBlockIsBotton, true); bitmapData.draw(block, new Matrix(1, 0, 0, 1, 1, r * 2 + 1)); lastBlockIsBotton = block.isBottom; } for (c = 1; c < col; c++) { for (r = 0; r < row; r++) { if (r == 0) lastBlockIsBotton = false; block = new Block(!lastBlockIsBotton, false); bitmapData.draw(block, new Matrix(1, 0, 0, 1, c * 2+1, r * 2+1)); lastBlockIsBotton = block.isBottom; } } bitmapData.unlock(); } } class Block extends Sprite { public var isBottom:Boolean; public static const XY:Array = [ [0, -1], //top [1, 0], //right [0, 1], //bottom [-1, 0] //left ]; public function Block(hasTop:Boolean = true, hasLeft:Boolean = false) :void { graphics.beginFill(0x000000); graphics.drawRect(0, 0, 1, 1); var rot:uint = Math.floor(Math.random() * (2 + (hasLeft ? 1 : 0) + (hasTop? 1 : 0))) + (hasTop? 0 : 1); if (rot == 2) isBottom = true; // graphics.beginFill(0x999999); graphics.drawRect(XY[rot][0], XY[rot][1], 1, 1); } }