// forked from Kay's DisplacementMapFliterで極座標変換 // forked from Kay's 四角いBitmapを極座標変換する // forked from Kay's 四角いBitmapを三角にする /* * 　カーソルで移動 * 　スペースで発射 */ package { import flash.display.*; import flash.geom.*; import flash.filters.*; import flash.events.*; [SWF(width="300", height="300", frameRate="30", backgroundColor="0x201828")] public class Take12 extends Sprite { private const SW:Number = stage.stageWidth; private const SH:Number = stage.stageHeight; private var map:BitmapData; private var buffer:BitmapData; private var screen:Bitmap; public function Take12():void { map = new BitmapData(SW,SH,false,0x808080); var radius:Number = (SH+SW)/4; var stageCenter :Point = new Point(SW/2, SH/2); for (var v:int=0; v < SH; v++) { for (var h:int=0; h <= SW; h++) { var p:Point = new Point(h,v); var distance:Number = Point.distance(stageCenter,p); var radian:Number = Math.atan2(p.y-stageCenter.y, p.x-stageCenter.x)+Math.PI; var target:Point = new Point(); target.x = radian / (Math.PI*2) * SW; target.y = distance / radius * SH; var ratioX:Number = (target.x-h) / SW; var ratioY:Number = (target.y-v) / SH; var colorX:uint = Math.round(ratioX*0x7f)+0x80; var colorY:uint = Math.round(ratioY*0x7f)+0x80; var nColor:uint = 0 << 16 | colorX << 8 | colorY; map.setPixel(h,v, nColor); } } var xyFilter:DisplacementMapFilter = new DisplacementMapFilter(); xyFilter.mapBitmap = map; xyFilter.mapPoint = new Point(0,0); xyFilter.componentX = BitmapDataChannel.GREEN; xyFilter.componentY = BitmapDataChannel.BLUE; xyFilter.scaleX = SW*2; xyFilter.scaleY = SH*2; xyFilter.mode = DisplacementMapFilterMode.COLOR; xyFilter.color = 0x201828; xyFilter.alpha = 1; stage.quality = StageQuality.LOW; buffer = new BitmapData(SW,SH,false,0); screen = new Bitmap(buffer); screen.filters = [xyFilter]; addChild(screen); init(); addEventListener(Event.ENTER_FRAME, onEnterFrame); stage.addEventListener(KeyboardEvent.KEY_DOWN, Key.onKeyDownHandler); stage.addEventListener(KeyboardEvent.KEY_UP, Key.onKeyUpHandler); } private function onEnterFrame(e:Event):void { main(); draw(); } private var racket_x:Number, racket_y:Number, racket_vx:Number; private var ball_x:Number, ball_y:Number, ball_vx:Number, ball_vy:Number; private var ball_wait:Boolean; private var blocks:Vector.<Vector.<Boolean>> = new Vector.<Vector.<Boolean>>(6, true); private function init():void { racket_x = 225; racket_y = 260; racket_vx = 0; ball_wait = true; for(var y:int = 0; y < blocks.length; y++) { blocks[y] = new Vector.<Boolean>(15, true); for(var x:int = 0; x < blocks[y].length; x++) { blocks[y][x] = true; } } } private function main():void { if(Key.isLeft) {racket_vx -= 1.8;} if(Key.isRight) {racket_vx += 1.8;} racket_vx /= 1.3; racket_x = MathEx.loop(0, racket_x + racket_vx, SW); if(ball_wait == true) { if(Key.isShot) { ball_vx = (Math.random() * 2 - 1) + racket_vx / 4; ball_vy = -3; ball_wait = false; } else { ball_x = racket_x; ball_y = racket_y - 20; return; } } ball_x = MathEx.loop(0, ball_x + ball_vx, SW); ball_y += ball_vy*2.5; if(ball_x+4 > racket_x-16 && ball_x-4 < racket_x+16 && ball_y+8 > racket_y && ball_y-8 < racket_y+20) { ball_y = racket_y-8; ball_vy *= -1; //ball_vx += (ball_x - racket_x) / 8; ball_vx -= (ball_x - racket_x) / 15; ball_vx += racket_vx / 8; } if(ball_y < 40+8) { ball_y = 40+8; ball_vy *= -1; } if(ball_y > SH) { ball_wait = true; return; } var hit_7:Boolean = false; var hit_9:Boolean = false; var hit_1:Boolean = false; var hit_3:Boolean = false; var clear:Boolean = true; for(var y:int = 0; y < blocks.length; y++) { for(var x:int = 0; x < blocks[y].length; x++) { if(blocks[y][x] == true) { if(hitcheck(ball_x - 4, ball_y - 8, x, y) == true) { hit_7 = true; blocks[y][x] = false; } if(hitcheck(ball_x + 4, ball_y - 8, x, y) == true) { hit_9 = true; blocks[y][x] = false; } if(hitcheck(ball_x - 4, ball_y + 8, x, y) == true) { hit_1 = true; blocks[y][x] = false; } if(hitcheck(ball_x + 4, ball_y + 8, x, y) == true) { hit_3 = true; blocks[y][x] = false; } clear = false; } } } if(clear == true) { init(); return; } if((hit_7 == true && hit_9 == true)||(hit_1 == true && hit_3 == true)) { ball_vy *= -1; } else if((hit_7 == true && hit_1 == true)||(hit_9 == true && hit_3 == true)) { ball_vx *= -1; } else if(hit_7 == true || hit_9 == true || hit_1 == true || hit_3 == true) { var temp:Number = ball_vx; ball_vx = ball_vy; ball_vy = temp; } if(ball_vy >= 0 && ball_vy < 2) {ball_vy = 2;} if(ball_vy < 0 && ball_vy > -2) {ball_vy = -2;} } private function hitcheck(x:int, y:int, bx:int, by:int):Boolean { return (x > bx*20 && x < bx*20+20 && y > by*15+40 && y < by*15+15+40); } private function draw():void { buffer.fillRect(buffer.rect, 0x000000); buffer.fillRect(new Rectangle(racket_x-16, racket_y, 32, 20), 0xFFFF00); buffer.fillRect(new Rectangle(racket_x-16-SW, racket_y, 32, 20), 0xFFFF00); buffer.fillRect(new Rectangle(racket_x-16+SW, racket_y, 32, 20), 0xFFFF00); buffer.fillRect(new Rectangle(ball_x-4, ball_y, 8, 16), 0xFFFF00); buffer.fillRect(new Rectangle(ball_x-4-SW, ball_y, 8, 16), 0xFFFF00); buffer.fillRect(new Rectangle(ball_x-4+SW, ball_y, 8, 16), 0xFFFF00); for(var y:int = 0; y < blocks.length; y++) { for(var x:int = 0; x < blocks[y].length; x++) { if(blocks[y][x] == true) { buffer.fillRect(new Rectangle(x*20+1, y*15+1+40, 18, 13), 0xFFFF00); } } } buffer.fillRect(new Rectangle(0, 0, SW, 40), 0xFFFF00); } } } import flash.events.*; import flash.ui.*; class Key { public static var isLeft:Boolean = false; public static var isRight:Boolean = false; public static var isShot:Boolean = false; public static function onKeyDownHandler(e:KeyboardEvent):void { switch(e.keyCode) { case Keyboard.LEFT: Key.isLeft = true; break; case Keyboard.RIGHT: Key.isRight = true; break; case Keyboard.SPACE: Key.isShot = true; break; } } public static function onKeyUpHandler(e:KeyboardEvent):void { switch(e.keyCode) { case Keyboard.LEFT: Key.isLeft = false; break; case Keyboard.RIGHT: Key.isRight = false; break; case Keyboard.SPACE: Key.isShot = false; break; } } } class MathEx { public static function loop(min:Number, target:Number, max:Number):Number { var range:Number = max - min; if(min < 0 && target < min) { target = range - (-target % range); } target = (target + max) % range + min; return target; } }