/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1976d2 // Blue field background
});

/**** 
* Game Code
****/ 
;
// --- Timer ---
var timerSeconds = 0;
var timerRunning = true;
var timerTxt = new Text2('0:00', {
	size: 90,
	fill: 0xffffff,
	font: "Impact, Arial Black, Tahoma"
});
timerTxt.anchor.set(0.5, 1);
timerTxt.x = LK.gui.width / 2;
// Place timer at top center
LK.gui.top.addChild(timerTxt);
timerTxt.y = 0;
;
// Track dragging state for both players by touchId
var draggingPlayers = {}; // { touchId: player }
// Convert global (event) coordinates to local game coordinates
function toGameCoords(x, y) {
	// LK events provide coordinates in game space already
	return {
		x: x,
		y: y
	};
}
// Handle touch/mouse down: start dragging if on player
game.down = function (x, y, obj) {
	// Use obj.event.identifier for multi-touch, fallback to 0 for mouse
	var touchId = obj && obj.event && typeof obj.event.identifier !== "undefined" ? obj.event.identifier : 0;
	// Check if the down event is on the blue player
	var dx = x - player.x;
	var dy = y - player.y;
	var r = player.width / 2;
	if (dx * dx + dy * dy <= r * r) {
		draggingPlayers[touchId] = player;
		return;
	}
	// Check if the down event is on the red player (opponent)
	var dx2 = x - opponent.x;
	var dy2 = y - opponent.y;
	var r2 = opponent.width / 2;
	if (dx2 * dx2 + dy2 * dy2 <= r2 * r2) {
		draggingPlayers[touchId] = opponent;
		return;
	}
};
// Handle touch/mouse move: move player if dragging
game.move = function (x, y, obj) {
	// Use obj.event.identifier for multi-touch, fallback to 0 for mouse
	var touchId = obj && obj.event && typeof obj.event.identifier !== "undefined" ? obj.event.identifier : 0;
	var draggingPlayer = draggingPlayers[touchId];
	if (draggingPlayer) {
		if (draggingPlayer === player) {
			// Blue player (left side)
			var minX = field.x - field.width / 2 + player.width / 2;
			var maxX = field.x; // Center line is the max for left player
			var minY = field.y - field.height / 2 + player.height / 2;
			var maxY = field.y + field.height / 2 - player.height / 2;
			draggingPlayer.x = Math.max(minX, Math.min(maxX - player.width / 2, x));
			draggingPlayer.y = Math.max(minY, Math.min(maxY, y));
		} else if (draggingPlayer === opponent) {
			// Red player (right side)
			var minX2 = field.x; // Center line is the min for right player
			var maxX2 = field.x + field.width / 2 - opponent.width / 2;
			var minY2 = field.y - field.height / 2 + opponent.height / 2;
			var maxY2 = field.y + field.height / 2 - opponent.height / 2;
			draggingPlayer.x = Math.max(minX2 + opponent.width / 2, Math.min(maxX2, x));
			draggingPlayer.y = Math.max(minY2, Math.min(maxY2, y));
		}
	}
};
// Handle touch/mouse up: stop dragging
game.up = function (x, y, obj) {
	// Use obj.event.identifier for multi-touch, fallback to 0 for mouse
	var touchId = obj && obj.event && typeof obj.event.identifier !== "undefined" ? obj.event.identifier : 0;
	delete draggingPlayers[touchId];
};
;
;
// Track last intersection state between player and ball
var lastPlayerBallIntersecting = false;
// Update loop to check for player touching ball
game.update = function () {
	// --- Timer update ---
	if (timerRunning) {
		if (typeof game._lastTimerTick === "undefined") {
			game._lastTimerTick = Date.now();
		}
		var now = Date.now();
		if (now - game._lastTimerTick >= 1000) {
			timerSeconds += 1;
			game._lastTimerTick += 1000;
			// Format as M:SS
			var min = Math.floor(timerSeconds / 60);
			var sec = timerSeconds % 60;
			timerTxt.setText(min + ":" + (sec < 10 ? "0" : "") + sec);
		}
	}
	// No AI logic: opponent is now player 2 and is controlled by drag/touch
	// Check if player is touching the ball (collision/intersection)
	var isIntersecting = player.intersects(ball);
	// Detect the exact moment player starts touching the ball
	if (!lastPlayerBallIntersecting && isIntersecting) {
		// Calculate direction from player to ball
		var dx = ball.x - player.x;
		var dy = ball.y - player.y;
		var dist = Math.sqrt(dx * dx + dy * dy) || 1;
		// Give the ball a velocity away from the player (EVEN FASTER than before)
		ball.vx = dx / dist * 70;
		ball.vy = dy / dist * 70;
		LK.effects.flashObject(ball, 0x1976d2, 200);
	}
	// AI: Red player can also kick the ball if touching, from any side
	if (opponent.intersects(ball)) {
		// Check if ball is in a corner
		var minBallX = field.x - field.width / 2 + ball.width / 2;
		var maxBallX = field.x + field.width / 2 - ball.width / 2;
		var minBallY = field.y - field.height / 2 + ball.height / 2;
		var maxBallY = field.y + field.height / 2 - ball.height / 2;
		var atLeft = ball.x <= minBallX + 1;
		var atRight = ball.x >= maxBallX - 1;
		var atTop = ball.y <= minBallY + 1;
		var atBottom = ball.y >= maxBallY - 1;
		// --- Ball stuck detection ---
		if (typeof ball.stuckFrames === "undefined") ball.stuckFrames = 0;
		if (typeof ball.lastStuckX === "undefined") ball.lastStuckX = ball.x;
		if (typeof ball.lastStuckY === "undefined") ball.lastStuckY = ball.y;
		// If the ball hasn't moved much in 10 frames, consider it stuck
		var stuckThreshold = 6;
		if (Math.abs(ball.x - ball.lastStuckX) < stuckThreshold && Math.abs(ball.y - ball.lastStuckY) < stuckThreshold) {
			ball.stuckFrames++;
		} else {
			ball.stuckFrames = 0;
			ball.lastStuckX = ball.x;
			ball.lastStuckY = ball.y;
		}
		// If the ball is stuck for too long, red gives up and the game finishes
		if (ball.stuckFrames > 90) {
			// 90 frames ~1.5 seconds at 60fps
			timerRunning = false;
			LK.effects.flashScreen(0xff0000, 600);
			LK.showGameOver();
			return;
		}
		var dxr, dyr;
		if ((atLeft || atRight) && (atTop || atBottom)) {
			// Ball is in a corner, AI tries to hit it toward the center of the field
			dxr = field.x - ball.x;
			dyr = field.y - ball.y;
		} else if (ball.stuckFrames > 12) {
			// Ball is stuck: AI tries to hit the right side of the ball
			// Always aim to the right (positive X direction)
			dxr = 1;
			dyr = 0;
			// Add a little bias toward the field center to avoid infinite right wall hits
			dxr += (field.x - ball.x) * 0.005;
			dyr += (field.y - ball.y) * 0.01;
		} else {
			// Normal: hit from AI to ball direction
			dxr = ball.x - opponent.x;
			dyr = ball.y - opponent.y;
		}
		var distr = Math.sqrt(dxr * dxr + dyr * dyr) || 1;
		ball.vx = dxr / distr * 50;
		ball.vy = dyr / distr * 50;
		LK.effects.flashObject(ball, 0xd32f2f, 200);
	}
	// Ball activation: Ball is stopped at start, but after first touch, it never stops and goes faster
	if (typeof ball.activated === "undefined") ball.activated = false;
	if (!ball.activated && (player.intersects(ball) || opponent.intersects(ball))) {
		ball.activated = true;
		// Give a small nudge in a random direction if ball is perfectly still
		if (ball.vx === 0 && ball.vy === 0) {
			var angle = Math.random() * Math.PI * 2;
			ball.vx = Math.cos(angle) * 18;
			ball.vy = Math.sin(angle) * 18;
		}
	}
	// Move the ball if it has velocity
	if (typeof ball.vx === "number" && typeof ball.vy === "number") {
		// --- Ball bounce off goal posts ---
		// Track last intersection for each post
		if (typeof ball.lastLeftGoalPostTopIntersect === "undefined") ball.lastLeftGoalPostTopIntersect = false;
		if (typeof ball.lastLeftGoalPostBottomIntersect === "undefined") ball.lastLeftGoalPostBottomIntersect = false;
		if (typeof ball.lastRightGoalPostTopIntersect === "undefined") ball.lastRightGoalPostTopIntersect = false;
		if (typeof ball.lastRightGoalPostBottomIntersect === "undefined") ball.lastRightGoalPostBottomIntersect = false;
		// Left goal post top
		var leftTopNow = ball.intersects(leftGoalPostTop);
		if (!ball.lastLeftGoalPostTopIntersect && leftTopNow) {
			// Bounce: reflect velocity, add a little randomness
			var dx = ball.x - leftGoalPostTop.x;
			var dy = ball.y - (leftGoalPostTop.y - leftGoalPostTop.height / 2);
			var dist = Math.sqrt(dx * dx + dy * dy) || 1;
			ball.vx = dx / dist * Math.max(Math.abs(ball.vx), 30);
			ball.vy = dy / dist * Math.max(Math.abs(ball.vy), 30);
			LK.effects.flashObject(ball, 0xffff00, 120);
		}
		ball.lastLeftGoalPostTopIntersect = leftTopNow;
		// Left goal post bottom
		var leftBottomNow = ball.intersects(leftGoalPostBottom);
		if (!ball.lastLeftGoalPostBottomIntersect && leftBottomNow) {
			var dx = ball.x - leftGoalPostBottom.x;
			var dy = ball.y - (leftGoalPostBottom.y + leftGoalPostBottom.height / 2);
			var dist = Math.sqrt(dx * dx + dy * dy) || 1;
			ball.vx = dx / dist * Math.max(Math.abs(ball.vx), 30);
			ball.vy = dy / dist * Math.max(Math.abs(ball.vy), 30);
			LK.effects.flashObject(ball, 0xffff00, 120);
		}
		ball.lastLeftGoalPostBottomIntersect = leftBottomNow;
		// Right goal post top
		var rightTopNow = ball.intersects(rightGoalPostTop);
		if (!ball.lastRightGoalPostTopIntersect && rightTopNow) {
			var dx = ball.x - rightGoalPostTop.x;
			var dy = ball.y - (rightGoalPostTop.y - rightGoalPostTop.height / 2);
			var dist = Math.sqrt(dx * dx + dy * dy) || 1;
			ball.vx = dx / dist * Math.max(Math.abs(ball.vx), 30);
			ball.vy = dy / dist * Math.max(Math.abs(ball.vy), 30);
			LK.effects.flashObject(ball, 0xffff00, 120);
		}
		ball.lastRightGoalPostTopIntersect = rightTopNow;
		// Right goal post bottom
		var rightBottomNow = ball.intersects(rightGoalPostBottom);
		if (!ball.lastRightGoalPostBottomIntersect && rightBottomNow) {
			var dx = ball.x - rightGoalPostBottom.x;
			var dy = ball.y - (rightGoalPostBottom.y + rightGoalPostBottom.height / 2);
			var dist = Math.sqrt(dx * dx + dy * dy) || 1;
			ball.vx = dx / dist * Math.max(Math.abs(ball.vx), 30);
			ball.vy = dy / dist * Math.max(Math.abs(ball.vy), 30);
			LK.effects.flashObject(ball, 0xffff00, 120);
		}
		ball.lastRightGoalPostBottomIntersect = rightBottomNow;
		// Track lastX for side detection
		if (typeof ball.lastX === "undefined") ball.lastX = ball.x;
		// Detect crossing from left to right side (player to opponent)
		var centerX = field.x;
		if (ball.lastX <= centerX && ball.x > centerX) {
			// Ball just crossed to right side, speed up!
			ball.vx *= 1.25;
			ball.vy *= 1.25;
		}
		// Detect crossing from right to left side (opponent to player)
		if (ball.lastX >= centerX && ball.x < centerX) {
			// Ball just crossed to left side, speed up!
			ball.vx *= 1.25;
			ball.vy *= 1.25;
		}
		if (ball.activated) {
			ball.x += ball.vx;
			ball.y += ball.vy;
		}
		// Friction
		ball.vx *= 0.96;
		ball.vy *= 0.96;
		// Clamp to field bounds and bounce off corners
		var minBallX = field.x - field.width / 2 + ball.width / 2;
		var maxBallX = field.x + field.width / 2 - ball.width / 2;
		var minBallY = field.y - field.height / 2 + ball.height / 2;
		var maxBallY = field.y + field.height / 2 - ball.height / 2;
		// Detect if ball is in a corner (within 1px of both X and Y bounds)
		var atLeft = ball.x <= minBallX + 1;
		var atRight = ball.x >= maxBallX - 1;
		var atTop = ball.y <= minBallY + 1;
		var atBottom = ball.y >= maxBallY - 1;
		// Bounce off corners: if at a corner, reflect both vx and vy
		if (atLeft && atTop || atLeft && atBottom || atRight && atTop || atRight && atBottom) {
			// Snap to corner
			ball.x = atLeft ? minBallX : maxBallX;
			ball.y = atTop ? minBallY : maxBallY;
			ball.vx *= -0.5;
			ball.vy *= -0.5;
		} else {
			// Bounce off left/right walls
			if (ball.x < minBallX) {
				ball.x = minBallX;
				ball.vx *= -0.5;
			}
			if (ball.x > maxBallX) {
				ball.x = maxBallX;
				ball.vx *= -0.5;
			}
			// Bounce off top/bottom walls
			if (ball.y < minBallY) {
				ball.y = minBallY;
				ball.vy *= -0.5;
			}
			if (ball.y > maxBallY) {
				ball.y = maxBallY;
				ball.vy *= -0.5;
			}
		}
		// Prevent the ball from ever stopping: enforce a minimum velocity if it's moving
		var minBallSpeed = ball.activated ? 8 : 1.2;
		if (typeof ball.vx === "number" && typeof ball.vy === "number") {
			var speed = Math.sqrt(ball.vx * ball.vx + ball.vy * ball.vy);
			if (speed < minBallSpeed) {
				if (speed === 0) {
					// If completely stopped, nudge in a random direction
					var angle = Math.random() * Math.PI * 2;
					ball.vx = Math.cos(angle) * minBallSpeed;
					ball.vy = Math.sin(angle) * minBallSpeed;
				} else {
					// If moving but too slow, scale up to minimum speed
					ball.vx = ball.vx / (speed || 1) * minBallSpeed;
					ball.vy = ball.vy / (speed || 1) * minBallSpeed;
				}
			}
		}
		// Never allow the ball to stop: if both vx and vy are 0, nudge in a random direction
		if (ball.activated && typeof ball.vx === "number" && typeof ball.vy === "number" && ball.vx === 0 && ball.vy === 0) {
			var angle = Math.random() * Math.PI * 2;
			ball.vx = Math.cos(angle) * minBallSpeed;
			ball.vy = Math.sin(angle) * minBallSpeed;
		}
		// Update lastX for next frame
		ball.lastX = ball.x;
		// --- Goal detection ---
		// If ball intersects leftGoal or rightGoal, score!
		// Only trigger on the exact frame the ball enters the goal (use lastBallInLeftGoal/lastBallInRightGoal)
		if (typeof ball.lastInLeftGoal === "undefined") ball.lastInLeftGoal = false;
		if (typeof ball.lastInRightGoal === "undefined") ball.lastInRightGoal = false;
		var inLeftGoal = ball.intersects(leftGoal);
		var inRightGoal = ball.intersects(rightGoal);
		// Score for blue (player) if ball enters right goal
		if (!ball.lastInRightGoal && inRightGoal) {
			timerRunning = false;
			LK.effects.flashScreen(0x00ff00, 600);
			LK.showYouWin();
			return;
		}
		// Score for red (opponent) if ball enters left goal
		if (!ball.lastInLeftGoal && inLeftGoal) {
			timerRunning = false;
			LK.effects.flashScreen(0xff0000, 600);
			LK.showGameOver();
			return;
		}
		ball.lastInLeftGoal = inLeftGoal;
		ball.lastInRightGoal = inRightGoal;
	}
	// Update last intersection state
	lastPlayerBallIntersecting = isIntersecting;
};
// Futsal ball (white)
// Center circle (white, ellipse)
// Center line (white, box)
// Main field (futsal green)
// Goal area (penalty box, white)
// Goal (yellow, box)
// Player (blue, ellipse)
var field = LK.getAsset('field', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2
});
game.addChild(field);
// Draw center line
var centerLine = LK.getAsset('centerLine', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 10,
	// thin vertical line
	height: 1200,
	// match field height
	x: 2048 / 2,
	y: 2732 / 2
});
game.addChild(centerLine);
// Draw center circle
var centerCircle = LK.getAsset('centerCircle', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2
});
game.addChild(centerCircle);
// Draw left goal (real-life: tall, slim, at field edge, centered vertically)
var leftGoal = LK.getAsset('goal', {
	anchorX: 0.5,
	// center anchor for easier placement
	anchorY: 0.5,
	width: 40,
	// slim width
	height: 400,
	// tall height
	x: (2048 - 1900) / 2 + 20,
	// flush with left field edge
	y: 2732 / 2
});
game.addChild(leftGoal);
// Left goal posts (top and bottom) - narrower and symmetric to right side
var goalPostWidth = 12;
var goalPostHeight = 70;
var goalPostOffsetX = leftGoal.width / 2 - goalPostWidth / 2;
var leftGoalPostTop = LK.getAsset('goal', {
	anchorX: 0.5,
	anchorY: 1.0,
	width: goalPostWidth,
	height: goalPostHeight,
	x: leftGoal.x - goalPostOffsetX,
	y: leftGoal.y - leftGoal.height / 2 // near the top of the goal
});
game.addChild(leftGoalPostTop);
var leftGoalPostBottom = LK.getAsset('goal', {
	anchorX: 0.5,
	anchorY: 0.0,
	width: goalPostWidth,
	height: goalPostHeight,
	x: leftGoal.x - goalPostOffsetX,
	y: leftGoal.y + leftGoal.height / 2 // near the bottom of the goal
});
game.addChild(leftGoalPostBottom);
// Draw right goal (real-life: tall, slim, at field edge, centered vertically)
var rightGoal = LK.getAsset('goal', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 40,
	height: 400,
	x: (2048 + 1900) / 2 - 20,
	// flush with right field edge
	y: 2732 / 2
});
game.addChild(rightGoal);
// Right goal posts (top and bottom) - narrower and symmetric to left side
var rightGoalPostTop = LK.getAsset('goal', {
	anchorX: 0.5,
	anchorY: 1.0,
	width: goalPostWidth,
	height: goalPostHeight,
	x: rightGoal.x + goalPostOffsetX,
	y: rightGoal.y - rightGoal.height / 2 // near the top of the goal
});
game.addChild(rightGoalPostTop);
var rightGoalPostBottom = LK.getAsset('goal', {
	anchorX: 0.5,
	anchorY: 0.0,
	width: goalPostWidth,
	height: goalPostHeight,
	x: rightGoal.x + goalPostOffsetX,
	y: rightGoal.y + rightGoal.height / 2 // near the bottom of the goal
});
game.addChild(rightGoalPostBottom);
// Draw ball at center
var ball = LK.getAsset('ball', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2
});
ball.vx = 0;
ball.vy = 0;
game.addChild(ball);
// Draw player at left side (blue)
var player = LK.getAsset('playerBlue', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2 - 500,
	y: 2732 / 2
});
game.addChild(player);
// Draw opponent at right side (red)
var opponent = LK.getAsset('playerRed', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2 + 500,
	y: 2732 / 2
});
game.addChild(opponent);
;

===================================================================
--- original.js
+++ change.js
@@ -22,9 +22,10 @@
 // Place timer at top center
 LK.gui.top.addChild(timerTxt);
 timerTxt.y = 0;
 ;
-var draggingPlayer = null;
+// Track dragging state for both players by touchId
+var draggingPlayers = {}; // { touchId: player }
 // Convert global (event) coordinates to local game coordinates
 function toGameCoords(x, y) {
 	// LK events provide coordinates in game space already
 	return {
@@ -33,27 +34,32 @@
 	};
 }
 // Handle touch/mouse down: start dragging if on player
 game.down = function (x, y, obj) {
+	// Use obj.event.identifier for multi-touch, fallback to 0 for mouse
+	var touchId = obj && obj.event && typeof obj.event.identifier !== "undefined" ? obj.event.identifier : 0;
 	// Check if the down event is on the blue player
 	var dx = x - player.x;
 	var dy = y - player.y;
 	var r = player.width / 2;
 	if (dx * dx + dy * dy <= r * r) {
-		draggingPlayer = player;
+		draggingPlayers[touchId] = player;
 		return;
 	}
 	// Check if the down event is on the red player (opponent)
 	var dx2 = x - opponent.x;
 	var dy2 = y - opponent.y;
 	var r2 = opponent.width / 2;
 	if (dx2 * dx2 + dy2 * dy2 <= r2 * r2) {
-		draggingPlayer = opponent;
+		draggingPlayers[touchId] = opponent;
 		return;
 	}
 };
 // Handle touch/mouse move: move player if dragging
 game.move = function (x, y, obj) {
+	// Use obj.event.identifier for multi-touch, fallback to 0 for mouse
+	var touchId = obj && obj.event && typeof obj.event.identifier !== "undefined" ? obj.event.identifier : 0;
+	var draggingPlayer = draggingPlayers[touchId];
 	if (draggingPlayer) {
 		if (draggingPlayer === player) {
 			// Blue player (left side)
 			var minX = field.x - field.width / 2 + player.width / 2;
@@ -74,9 +80,11 @@
 	}
 };
 // Handle touch/mouse up: stop dragging
 game.up = function (x, y, obj) {
-	draggingPlayer = null;
+	// Use obj.event.identifier for multi-touch, fallback to 0 for mouse
+	var touchId = obj && obj.event && typeof obj.event.identifier !== "undefined" ? obj.event.identifier : 0;
+	delete draggingPlayers[touchId];
 };
 ;
 ;
 // Track last intersection state between player and ball