===================================================================
--- original.js
+++ change.js
@@ -153,14 +153,28 @@
 		joystick.x = joystickBasePosition.x + dx;
 		joystick.y = joystickBasePosition.y + dy;
 	}
 }
-var joystick = null;
-var joystickBasePosition = null;
-var joystickDrag = false;
-var touchTime = 0; // Global variable to store the touch time
-var prevMouseY = null;
-var lastPlayedTime = {};
+var joystick;
+var joystickBasePosition;
+var joystickDrag;
+var touchTime; // Global variable to store the touch time
+var prevMouseY;
+var lastPlayedTime;
+var ballCanMove;
+var SPEED_LIMIT; // Define a global speed limit
+var isDebug;
+var player2Debug;
+var PLAYER1_INITIAL_X;
+var PLAYER1_INITIAL_Y;
+var PLAYER2_INITIAL_X;
+var PLAYER2_INITIAL_Y;
+var player1Touches;
+var player2Touches;
+var resetTime; // Global variable to store the reset time
+var nextRoundPauseDelay;
+var score1;
+var score2;
 function playSound(soundId, cooldown) {
 	var currentTime = Date.now();
 	if (!lastPlayedTime[soundId] || currentTime - lastPlayedTime[soundId] > cooldown) {
 		LK.getSound(soundId).play();
@@ -227,43 +241,24 @@
 	var radiusSum = circle1.width / 2 + circle2.width / 2;
 	//console.log("customIntersect  ", distance.toFixed(0), radiusSum);
 	return distance < radiusSum;
 }
-var ballCanMove = false;
 var background = LK.getAsset('background', {
 	anchorX: 0.5,
 	anchorY: 0.5,
 	x: 2048 / 2,
 	y: 2732 / 2
 });
 game.addChild(background);
-var SPEED_LIMIT = 50; // Define a global speed limit
-var isDebug = false;
-var player2Debug = false;
-var PLAYER1_INITIAL_X = 512;
-var PLAYER1_INITIAL_Y = 2000;
-var PLAYER2_INITIAL_X = 1536;
-var PLAYER2_INITIAL_Y = 2000;
+gameInitialize();
 var player1 = new Player(1);
 var player2 = new Player(2);
-var player1Touches = 0;
-var player2Touches = 0;
-var player1 = new Player(1);
-var player2 = new Player(2);
 game.addChild(player1);
 game.addChild(player2);
 player1.x = PLAYER1_INITIAL_X;
 player1.y = PLAYER1_INITIAL_Y;
 player2.x = PLAYER2_INITIAL_X;
 player2.y = PLAYER2_INITIAL_Y;
-var resetTime = 0; // Global variable to store the reset time
-var nextRoundPauseDelay = 2000;
-game.addChild(player1);
-game.addChild(player2);
-player1.x = PLAYER1_INITIAL_X;
-player1.y = PLAYER1_INITIAL_Y;
-player2.x = PLAYER2_INITIAL_X;
-player2.y = PLAYER2_INITIAL_Y;
 var net = new Net();
 net.x = 2048 / 2;
 net.y = 2000;
 game.addChild(net);
@@ -282,10 +277,8 @@
 joystickBasePosition = {
 	x: joystick.x,
 	y: joystick.y
 };
-var score1 = 0;
-var score2 = 0;
 var scoreTxt1 = new Text2('00', {
 	size: 200,
 	fill: "#00008B",
 	fontWeight: "bold"
@@ -412,5 +405,27 @@
 	joystickDrag = false;
 	//console.log("UP joystickDrag state:", joystickDrag);
 	joystick.x = joystickBasePosition.x;
 	joystick.y = joystickBasePosition.y;
-};
\ No newline at end of file
+};
+function gameInitialize() {
+	joystick = null;
+	joystickBasePosition = null;
+	joystickDrag = false;
+	touchTime = 0; // Global variable to store the touch time
+	prevMouseY = null;
+	lastPlayedTime = {};
+	ballCanMove = false;
+	SPEED_LIMIT = 50; // Define a global speed limit
+	isDebug = false;
+	player2Debug = false;
+	PLAYER1_INITIAL_X = 512;
+	PLAYER1_INITIAL_Y = 2000;
+	PLAYER2_INITIAL_X = 1536;
+	PLAYER2_INITIAL_Y = 2000;
+	player1Touches = 0;
+	player2Touches = 0;
+	resetTime = 0; // Global variable to store the reset time
+	nextRoundPauseDelay = 2000;
+	score1 = 0;
+	score2 = 0;
+}
\ No newline at end of file