// // 東風谷早苗スペルカード「グレイソーマタージ」の☆の部分風な処理 // かなり目コピなんで計算方法はムリがあるかも // // クリックすると新しい☆が生成されます // package { import flash.display.Sprite; import flash.events.Event; import flash.events.MouseEvent; [SWF(backgroundColor = "0x000000", frameRate = "60")] /** * * @author okoi */ public class Main extends Sprite { private var patternList:Array = new Array(); private var moveBullet:Array = new Array(); public function Main():void { if (stage) init(); else addEventListener(Event.ADDED_TO_STAGE, init); } private function init(e:Event = null):void { removeEventListener(Event.ADDED_TO_STAGE, init); // entry point patternList.push( new Pattern(stage.stageWidth/2, stage.stageHeight/2) ); addEventListener(Event.ENTER_FRAME, EnterFrame ); stage.addEventListener(MouseEvent.MOUSE_DOWN, MouseDown); } private function EnterFrame(event:Event):void { var i:int = 0; for ( i = 0; i < patternList.length; i++ ) { var bullet:Bullet = patternList[i].Run(); if ( bullet != null ) { addChild( bullet ); } } for ( i = patternList.length - 1; i >= 0; i-- ) { if ( patternList[i].isEnd() ) { // 待機リストから移動リストへ for ( var j:int = 0; j < patternList[i].waitBullet.length; j++ ) moveBullet.push( patternList[i].waitBullet[j] ); patternList.splice( i, 1 ); } } // 弾移動 if ( moveBullet.length > 0 ) { for ( i = moveBullet.length - 1; i >= 0; i-- ) { moveBullet[i].x += Math.cos( moveBullet[i].moveAngle * Math.PI / 180 ) * 1; moveBullet[i].y += Math.sin( moveBullet[i].moveAngle * Math.PI / 180 ) * 1; if ( moveBullet[i].x < -50 || moveBullet[i].x > stage.stageWidth + 50 || moveBullet[i].y < -50 || moveBullet[i].y > stage.stageHeight + 50 ) { removeChild( moveBullet[i] ); moveBullet.splice( i, 1 ); } } } } private function MouseDown(event:MouseEvent):void { patternList.push( new Pattern(stage.stageWidth/2, stage.stageHeight/2) ); } } } ////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////// import flash.display.Sprite; import flash.geom.Point; //----------------------------- // 弾幕パターンクラス class Pattern { private var end:Boolean = false; private var count:int = 0; private var defX:int = 0; private var defY:int = 0; private var gAngle:Number = 0; // 弾発生角度 private var target:Array = new Array(); private static const PATH_OBJ_NUM:int = 20; // １辺に出す弾の数 private static const TARGET_NUM:int = 5; private static const TARGET_ANGLE:Array = [ 270 + 72 * 3, 270 + 72 * 1, 270 + 72 * 4, 270 + 72 * 2, 270 ]; // パスの目標地点の角度 public var waitBullet:Array = new Array(); // 保持用バッファ public function Pattern(_gx:int = 0, _gy:int = 0) { count = 0; defX = _gx; defY = _gy; gAngle = 0; for ( var i:int = 0; i < 5; i++ ) { target[i] = new Point( Math.cos( TARGET_ANGLE[i] * Math.PI / 180 ) * 100, Math.sin( TARGET_ANGLE[i] * Math.PI / 180 ) * 100 ); } } /** * 弾発生処理 * @return */ public function Run() : Bullet { var bullet:Bullet = new Bullet(); var targetNo:int = int(count / PATH_OBJ_NUM); var targetRate:int = int(count % PATH_OBJ_NUM); var p:Point; // 弾の座標を出す p = Point.interpolate( target[targetNo], target[(targetNo+(TARGET_NUM-1))%TARGET_NUM], targetRate / PATH_OBJ_NUM ); bullet.x = p.x + defX; bullet.y = p.y + defY; // 弾の移動角度を出す p.x = target[targetNo%TARGET_NUM].x - target[(targetNo + (TARGET_NUM - 1)) % TARGET_NUM].x; p.y = target[targetNo%TARGET_NUM].y - target[(targetNo + (TARGET_NUM - 1)) % TARGET_NUM].y; var angle1:Number = Math.atan2( p.y, p.x ) * 180/Math.PI; p.x = target[(targetNo+1)%TARGET_NUM].x - target[targetNo%TARGET_NUM].x; p.y = target[(targetNo+1)%TARGET_NUM].y - target[targetNo%TARGET_NUM].y; var angle2:Number = Math.atan2( p.y, p.x ) * 180/Math.PI; var angleVal:Number = angle2 - angle1; if ( angleVal > 180 ) { angleVal = -(360 - angleVal); } bullet.moveAngle = (angleVal * targetRate / PATH_OBJ_NUM) + angle1; bullet.moveAngle += 25; waitBullet.push( bullet ); count++; if ( count == TARGET_NUM * PATH_OBJ_NUM ) end = true; return bullet; } public function isEnd() : Boolean { return end; } } //----------------------------- // 弾クラス class Bullet extends Sprite { public var moveAngle:Number = 0; public function Bullet() { super(); graphics.beginFill(0x5555FF); graphics.drawCircle(0, 0, 5); graphics.endFill(); graphics.beginFill(0xFFFFFF, 0.5); graphics.drawCircle(0, 0, 3); graphics.endFill(); } }