package { import flash.display.*; import flash.events.Event; import flash.events.MouseEvent; import flash.geom.Point; public class FlashTest extends Sprite { private var _gridMan:GridManager = new GridManager(465,465,100,70); private var _gridView:DisplayObject; private const _MASATSU:Number = 0.95; public function FlashTest() { // write as3 code here.. _gridView = _gridMan.getView(); addChild(_gridView); this.stage.addEventListener(MouseEvent.MOUSE_DOWN, onMouseDown); this.stage.addEventListener(MouseEvent.MOUSE_UP, onMouseUP); } private var lastVector:Point = new Point(); private var lastPos:Point = new Point(); private function onMouseUP(e:MouseEvent):void { this.stage.removeEventListener(Event.ENTER_FRAME, onEnterFrame); this.stage.addEventListener(Event.ENTER_FRAME, onEnterFrame2); // _refresh(); } private function onEnterFrame2(e:Event):void { lastVector.normalize( lastVector.length * _MASATSU ); if ( lastVector.length < 1 ) { this.stage.removeEventListener(Event.ENTER_FRAME, onEnterFrame2); } else { _gridMan.addPosition(lastVector.x, lastVector.y); } } private function onMouseDown(e:MouseEvent):void { this.stage.removeEventListener(Event.ENTER_FRAME, onEnterFrame2); lastPos.x = stage.mouseX; lastPos.y = stage.mouseY; this.stage.addEventListener(Event.ENTER_FRAME, onEnterFrame); } private function onEnterFrame(e:Event):void { _refresh(); } private function _refresh():void { lastVector.x = lastPos.x - stage.mouseX; lastVector.y = lastPos.y - stage.mouseY; _gridMan.addPosition(lastVector.x, lastVector.y); lastPos.x = stage.mouseX; lastPos.y = stage.mouseY; } } } import flash.events.*; import flash.display.*; import flash.geom.*; import flash.text.FontStyle; import flash.text.TextField; import flash.text.TextFormat; class GridManager extends EventDispatcher { private var _sw:int; private var _sh:int; private var _gw:int; private var _gh:int; private var _xNum:int; private var _yNum:int; private var _gridView:Sprite = new Sprite(); private var _items:Array = []; private var _currentX:Number; private var _currentY:Number; public function GridManager(stageWidth:int, stageHeight:int, gridWidth:int, gridHeight:int){ super(); _sw = stageWidth; _sh = stageHeight; _gw = gridWidth; _gh = gridHeight; _init(); } private function _init():void { _initItems(_sw, _sh, _gw, _gh); setPosition(-0.5*(465-_gw),-0.5*(465-_gh)); } private function _initItems(sw:int, sh:int, gw:int, gh:int):void{ _xNum = Math.ceil(1 + sw / gw); _yNum = Math.ceil(1 + sh / gh); for( var x:int = 0; x < _xNum; x++ ){ for ( var y:int = 0; y < _yNum; y++ ) { var item:GridItem = new GridItem(x, y, gw, gh); _items.push(item); _gridView.addChild( item ); } } } public function setPosition(newX:Number, newY:Number):void { _currentX = newX; _currentY = newY; var _outX:int = _gw * (_xNum - 1); var _outY:int = _gh * (_yNum - 1); var index:int = 0; for( var x:int = 0; x < _xNum; x++ ){ for ( var y:int = 0; y < _yNum; y++ ) { var item:GridItem = GridItem(_items[index]); var posX:int = item.pos.x; var posY:int = item.pos.y; var reloadFlg:Boolean = false; item.x = posX * _gw - _currentX; item.y = posY * _gh - _currentY; if ( item.x > _outX ) { posX -= Math.ceil((item.x - _outX)/_outX) * _xNum; reloadFlg = true; } else if ( item.brx < 0 ) { posX += Math.ceil(-item.brx/_outX) * _xNum; reloadFlg = true; } if ( item.y > _outY ) { posY -= _yNum; reloadFlg = true; } else if( item.bry < 0 ) { posY += _yNum; reloadFlg = true; } if ( reloadFlg ) { item.x = posX * _gw - _currentX; item.y = posY * _gh - _currentY; item.reload(posX, posY); } index++; } } } public function addPosition(dx:Number, dy:Number):void { setPosition(_currentX + dx, _currentY + dy); } public function getView():DisplayObject{ return _gridView; } } class GridItem extends Sprite { private var _id:int; private var _pos:Point; private var _size:Point; private var tf:TextField = new TextField; private var tf2:TextField = new TextField; private var _fontSize:int = 30; public function GridItem(x:int, y:int, w:int, h:int){ _pos = new Point(x, y); _size = new Point(w, h); addChild(tf2); tf2.autoSize = "left"; tf2.mouseEnabled = tf2.selectable = false; addChild(tf); tf.autoSize = "left"; tf.mouseEnabled = tf.selectable = false; reload(x, y); } // 未使用 public function alert():void { draw(0xFF0000); } public function reload(x:int, y:int):void { _pos.x = x; _pos.y = y; var fontSize:int = _fontSize; do { tf2.defaultTextFormat = new TextFormat("_typewriter", fontSize--); tf2.text = String(Util.getIdxByPos(x, y)); } while( tf2.textWidth > _size.x * 0.7 && fontSize > 5 ) tf2.x = 0.5 * (_size.x - tf2.textWidth); tf2.y = 0.5 * (_size.y - tf2.textHeight); draw(); } private function draw(color:int = 0x00FF00):void { this.graphics.clear(); this.graphics.lineStyle(0, color, 0.5); this.graphics.drawRect(0, 0, _size.x, _size.y); tf.text = pos.toString(); tf.textColor = color; } public function get brx():int { return x + _size.x; } public function get bry():int { return y + _size.y; } public function get pos():Point { return _pos; } public function get size():Point { return _size; } public function get id():int { return _id; } public function set id(value:int):void { _id = value; } } class Util { public static function getIdxByPos(x:int, y:int):int { var n:int = ((x > 0?x: -x) > (y > 0?y: -y))?x:y; if ( n < 0 ) n = -n; var base:int = 4 * n * ( n + 1 ) + 1; if ( y == n ) { return base - n + x; } else if ( x == -n ) { return base - n - n - n + y; } else if ( y == -n ) { return base - n - n - n - n - n - x; } else { return base - n - n - n - n - n - n - n - y; } } }