Fix: ES5 -> ES6 class

src/game/mouse/space_invaders/game.js

@@ -28,6 +28,34 @@ class Game {
 		let playingAppName = appInfoManager.getAppNameKorean(sessionStorageManager.playingAppName);
 		screenBottom.printBottomCenterText(playingAppName);
 		screenBottom.printBottomRightText(sessionStorageManager.playerName);
+
+		this.countDown();
+	}
+
+	countDown() {
+		const style = { font: "bold 200px Arial", fill: "#fff",/* align: "center",*/ boundsAlignH: "center", boundsAlignV: "middle" };
+		this.countDownText = game.add.text(0, 0, "", style);
+		this.countDownText.setTextBounds(0, 0, game.world.width, game.world.height);
+		this.countDownText.stroke = "#333";
+		this.countDownText.strokeThickness = 50;
+
+		this.countDownNumber = 3;
+		this.tweenCountDown();
+	}
+
+	tweenCountDown() {
+		console.log(this.countDownNumber);
+		if(this.countDownNumber === 0)
+			return;
+
+		this.countDownText.text = this.countDownNumber.toString();
+		this.countDownText.alpha = 1;
+
+		let countDownTween = game.add.tween(this.countDownText);
+		countDownTween.to( { alpha: 0 }, 1000, Phaser.Easing.Linear.None, true);
+		countDownTween.onComplete.add(this.tweenCountDown, this);
+
+		this.countDownNumber--;
 	}