/** * よし、いいアイディア出た！ * CHECKMATEでもするか！ * あれ？受付終わってね？ * * ・・・え？ * いや、それでも作るぜ！ * せっかくいいアイディア出たんだし。 * * というわけでSnake Game! * 画面クリックしないとキーボード反応しない。 * 矢印キーで移動。 * ゲームオーバの判定だけ。クリア判定は無いよ。 * （フィールド埋め尽くすともれなく無限ループに入りますょ。） * * リスタート出来るように改良した。 * 点数表示した。 * by coppieee */ /** * Theme: * Play with BitmapPatterBuilder. * Purpose of this trial is to find the possibility of the dot pattern. * * by Takayuki Fukatsu aka fladdict **/ package { import flash.display.Bitmap; import flash.display.BitmapData; import flash.display.Graphics; import flash.display.Sprite; import flash.display.StageScaleMode; import flash.events.Event; import flash.events.KeyboardEvent; import flash.events.MouseEvent; import flash.events.ProgressEvent; import flash.geom.Matrix; import flash.geom.Point; import flash.text.TextField; import flash.text.TextFieldAutoSize; import flash.text.TextFormat; import flash.ui.Keyboard; import net.hires.debug.Stats; [SWF(frameRate = "7" )] public class Professional extends Sprite { public static const FIELD_WIDTH:int = 16; public static const FIELD_HEIGHT:int = 8; public static const FIELD_SCALE:int = 8; private var _canvasContainer:Bitmap; private var _canvas:BitmapData; private var _field:Field; private var _snake:Snake; private var _information:TextField; public function Professional() { Wonderfl.capture_delay( 15 ); stage.scaleMode = StageScaleMode.NO_SCALE; stage.addEventListener(MouseEvent.CLICK, onClick); _canvas = new BitmapData(465, 465,false,0x000000); _canvasContainer = new Bitmap(_canvas); _canvasContainer.scaleX = FIELD_SCALE; _canvasContainer.scaleY = FIELD_SCALE; addChild(_canvasContainer); _information = new TextField(); _information.multiline = true; _information.selectable = false; _information.textColor = 0xFFFFFF; _information.autoSize = TextFieldAutoSize.CENTER; _information.x = 456 / 2; _information.y = 456 / 2; _information.defaultTextFormat = new TextFormat(null, 20); _information.text = "click here to start."; addChild(_information); } private function onClick(e:MouseEvent):void { stage.removeEventListener(MouseEvent.CLICK, onClick); _information.text = ""; initialize(); } private function dispose():void { removeEventListener(KeyboardEvent.KEY_DOWN, onKeyDown); removeEventListener(Event.ENTER_FRAME, onEnterFrame); removeChild(_canvasContainer); _field = null; _snake = null; } private function initialize():void { addEventListener(KeyboardEvent.KEY_DOWN, onKeyDown); addEventListener(Event.ENTER_FRAME, onEnterFrame); _field = new Field(FIELD_WIDTH, FIELD_HEIGHT, [0xFF000000, 0xFF00FF00,0xFFFFFF00]); _snake = new Snake(_field); } private function onKeyDown(e:KeyboardEvent):void { if (e.keyCode == Keyboard.LEFT) { _snake.nextAngle = Angle.LEFT; }else if(e.keyCode == Keyboard.RIGHT) { _snake.nextAngle = Angle.RIGHT; }else if (e.keyCode == Keyboard.UP) { _snake.nextAngle = Angle.UP; }else if (e.keyCode == Keyboard.DOWN) { _snake.nextAngle = Angle.DOWN; } } private function onEnterFrame(e:Event):void { stage.focus = this; _snake.update(); if (_snake.broken) { removeEventListener(Event.ENTER_FRAME, onEnterFrame); gotoGameOver(); return; } var pattern:BitmapData = _field.buildBitmapData(); for (var i:int = 0; i < 465/FIELD_WIDTH/FIELD_SCALE+1;i++ ) { for (var j:int = 0; j < 465/FIELD_HEIGHT/FIELD_SCALE; j++ ) { _canvas.copyPixels(pattern, pattern.rect, new Point((i - (j % 2)/2)*FIELD_WIDTH ,j * FIELD_HEIGHT)); } } } private function gotoGameOver():void { _information.text = "Game Over \nscore:"+_snake.length+"\n\n click here to restart."; stage.addEventListener(MouseEvent.CLICK, onClick); } } } class Field { public function get width():int { return _width;} private var _width:int; public function get height():int { return _height;} private var _height:int; private var _pattern:/*Array*/Array; private var _colors:/*uint*/Array; public function get food():Position { return _food; } public function changeFood():void { var p:Position = new Position(0, 0); while (true) { p.row = Math.random() * height; p.column = Math.random() * width; if (at(p) == 0) { _food.row = p.row; _food.column = p.column; setAt(_food, 2); break; } } } private var _food:Position = new Position(0,0); public function Field(width:int, height:int,colors:/*uint*/Array) { _width = width; _height = height; _pattern = []; for (var r:int = 0; r < height; r++ ) { _pattern[r] = []; for (var c:int = 0; c < width; c++ ) { _pattern[r][c] = 0; } } _colors = colors; changeFood(); } public function at(position:Position):int { var fp:Position = toFieldPosition(position); return _pattern[fp.row][fp.column]; } public function setAt(position:Position, value:int):int { var fp:Position = toFieldPosition(position); _pattern[fp.row][fp.column] = value; return value; } public function toFieldPosition(p:Position):Position { var row:int = p.row; var column:int = p.column;; var d:int = row % (height*2); if (d < 0) { d += height * 2; } if(d > height-1) { column += width / 2; } row %= height; if (row < 0) { row += height; } column %= width; if (column < 0) { column += width; } return new Position(row, column); } public function buildBitmapData():flash.display.BitmapData { return BitmapPatternBuilder.build(_pattern, _colors); } } class Snake { public function get length():int { return _bodys.length; } private var _field:Field; private var _bodys:Vector.<Position>; public function get nextAngle():Angle { return _nextAngle; } public function set nextAngle(value:Angle):void { if ((value.column + _prevAngle.column==0) &&( value.row +_prevAngle.row == 0)) { return; } _nextAngle = value; } private var _nextAngle:Angle; private var _prevAngle:Angle; public function get broken():Boolean { return _broken; } private var _broken:Boolean = false; public function Snake(field:Field) { _field = field; _bodys = new Vector.<Position>(); _bodys.push(new Position(0, 0)); _nextAngle = Angle.RIGHT; _prevAngle = Angle.RIGHT; } public function update():void { var head:Position = _bodys[_bodys.length-1]; var tail:Position = _bodys[0]; var nextHead:Position = new Position(0,0); nextHead.row = head.row + _nextAngle.row; nextHead.column = head.column + _nextAngle.column; nextHead = _field.toFieldPosition(nextHead) ; tail = _field.toFieldPosition(tail); _prevAngle = _nextAngle; var atNext:int = _field.at(nextHead); _field.setAt(nextHead,1); _bodys.push(nextHead); if (nextHead.equals(tail)) { _bodys.shift(); }else if (atNext == 2) { _field.changeFood(); }else if(atNext == 0) { _field.setAt(tail,0); _bodys.shift(); } else if (_field.at(nextHead) == 1) { _broken = true; } } } class Position { public function get row():int { return _row; } public function set row(value:int):void { _row = value; } private var _row:int; public function get column():int { return _column; } public function set column(value:int):void { _column = value; } private var _column:int; public function Position(row:int, column:int) { this.row = row; this.column = column; } public function equals(other:Position):Boolean { return (this == other) || (this.row == other.row && this.column == other.column); } } class Angle { public static const LEFT:Angle = new Angle( 0, -1); public static const RIGHT:Angle = new Angle(0, 1); public static const UP:Angle = new Angle( -1, 0); public static const DOWN:Angle = new Angle(1, 0); public function get row():int { return _row; } private var _row:int; public function get column():int { return _column; } private var _column:int; public function Angle(row:int, column:int) { _row = row; _column = column; } public function add(p:Position):Position { return new Position(p.row + this.row, p.column + this.column); } } /**----------------------------------------------------- * Use following BitmapPatternBuilder class * * DO NOT CHANGE any codes below this comment. * * ----------------------------------------------------- */ import flash.display.Bitmap; import flash.display.BitmapData; import flash.display.Graphics; class BitmapPatternBuilder{ /** * creates BitmapData filled with dot pattern. * First parameter is 2d array that contains color index for each pixels; * Second parameter contains color reference table. * * @parameter pattern:Array 2d array that contains color index for each pixel. * @parameter colors:Array 1d array that contains color table. * @returns BitmapData */ public static function build(pattern:Array, colors:Array):BitmapData{ var bitmapW:int = pattern[0].length; var bitmapH:int = pattern.length; var bmd:BitmapData = new BitmapData(bitmapW,bitmapH,true,0x000000); for(var yy:int=0; yy<bitmapH; yy++){ for(var xx:int=0; xx<bitmapW; xx++){ var color:int = colors[pattern[yy][xx]]; bmd.setPixel32(xx, yy, color); } } return bmd; } /** * short cut function for Graphics.beginBitmapFill with pattern. */ public static function beginBitmapFill(pattern:Array, colors:Array, graphics:Graphics):void{ var bmd:BitmapData = build(pattern, colors); graphics.beginBitmapFill(bmd); bmd.dispose(); } }