/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1");

/**** 
* Classes
****/ 
var Player = Container.expand(function (id, color, x, y) {
	var self = Container.call(this);
	self.id = id;
	self.lives = 4;
	self.isDragging = false;
	self.isAI = id !== 1; // Player 1 is human, others are AI
	self.respawning = false;
	self.speed = 5;
	self.pushForce = 15;
	self.mass = 1;
	self.sensitivity = 1; // Base sensitivity to impacts
	self.velocity = {
		x: 0,
		y: 0
	};
	self.canMove = true;
	// Attach the player graphic
	self.graphic = self.attachAsset('player' + id, {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: 0
	});
	// Create lives display
	self.livesContainer = new Container();
	self.addChild(self.livesContainer);
	self.livesDisplay = [];
	for (var i = 0; i < self.lives; i++) {
		var life = LK.getAsset('life', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		life.x = i * 35 - (self.lives - 1) * 35 / 2;
		life.y = -70;
		self.livesDisplay.push(life);
		self.livesContainer.addChild(life);
	}
	// Position player
	self.x = x;
	self.y = y;
	// Handle input events
	self.down = function (x, y, obj) {
		if (self.id === 1 && self.canMove && !self.respawning) {
			self.isDragging = true;
			console.log("Player dragging started");
		}
	};
	self.up = function (x, y, obj) {
		self.isDragging = false;
	};
	// Method to lose a life
	self.loseLife = function () {
		if (self.respawning) return;
		self.lives--;
		if (self.lives >= 0 && self.livesDisplay[self.lives]) {
			self.livesContainer.removeChild(self.livesDisplay[self.lives]);
		}
		LK.getSound('fall').play();
		if (self.lives <= 0) {
			// Player is eliminated
			self.canMove = false;
			self.visible = false;
			self.eliminated = true;
			return true; // Player eliminated
		} else {
			// Respawn player
			self.respawn();
			return false; // Player still in game
		}
	};
	// Method to respawn player
	self.respawn = function () {
		self.respawning = true;
		self.alpha = 0.5;
		// Place player in a safe position
		var angle = Math.random() * Math.PI * 2;
		var radius = arena.width * 0.3;
		self.x = arena.x + Math.cos(angle) * radius;
		self.y = arena.y + Math.sin(angle) * radius;
		// Reset velocity
		self.velocity.x = 0;
		self.velocity.y = 0;
		// Partially reset sensitivity on respawn (can't fully escape consequences)
		var oldSensitivity = self.sensitivity;
		self.sensitivity = Math.max(1, self.sensitivity * 0.7);
		// Visual feedback for sensitivity reset
		if (oldSensitivity > self.sensitivity) {
			tween(self, {
				alpha: 0.2
			}, {
				duration: 300,
				onFinish: function onFinish() {
					tween(self, {
						alpha: 0.5
					}, {
						duration: 300
					});
				}
			});
		}
		// Make player immune for a short time
		LK.setTimeout(function () {
			self.respawning = false;
			self.alpha = 1;
		}, 2000);
	};
	// Method to check if player is off the arena
	self.checkOffArena = function () {
		if (self.respawning) return false;
		var dx = self.x - arena.x;
		var dy = self.y - arena.y;
		var distanceSquared = dx * dx + dy * dy;
		// Different check depending on arena shape
		if (gameState.arenaShape === 'circle') {
			var radiusSquared = Math.pow(arena.width / 2, 2);
			return distanceSquared > radiusSquared;
		} else if (gameState.arenaShape === 'square') {
			var halfWidth = arena.width / 2;
			return Math.abs(dx) > halfWidth || Math.abs(dy) > halfWidth;
		} else if (gameState.arenaShape === 'rectangle') {
			var halfWidth = arena.width / 2;
			var halfHeight = arena.height / 2;
			return Math.abs(dx) > halfWidth || Math.abs(dy) > halfHeight;
		}
		return false;
	};
	// AI movement logic
	self.updateAI = function () {
		if (!self.isAI || !self.canMove || self.respawning) return;
		// Simple AI behavior:
		// 1. Move toward center if close to edge
		// 2. Otherwise move toward nearest player to push them off
		var dx = self.x - arena.x;
		var dy = self.y - arena.y;
		var distanceToCenter = Math.sqrt(dx * dx + dy * dy);
		// If close to edge, move toward center
		if (distanceToCenter > arena.width * 0.4) {
			var angleToCenter = Math.atan2(arena.y - self.y, arena.x - self.x);
			self.velocity.x += Math.cos(angleToCenter) * 0.5;
			self.velocity.y += Math.sin(angleToCenter) * 0.5;
		} else {
			// Find nearest player
			var nearestPlayer = null;
			var minDistance = Infinity;
			for (var i = 0; i < players.length; i++) {
				var otherPlayer = players[i];
				if (otherPlayer === self || !otherPlayer.canMove || otherPlayer.respawning) continue;
				var otherDx = otherPlayer.x - self.x;
				var otherDy = otherPlayer.y - self.y;
				var distance = Math.sqrt(otherDx * otherDx + otherDy * otherDy);
				if (distance < minDistance) {
					minDistance = distance;
					nearestPlayer = otherPlayer;
				}
			}
			// Move toward nearest player
			if (nearestPlayer) {
				var angleToPlayer = Math.atan2(nearestPlayer.y - self.y, nearestPlayer.x - self.x);
				self.velocity.x += Math.cos(angleToPlayer) * 0.5;
				self.velocity.y += Math.sin(angleToPlayer) * 0.5;
			}
		}
	};
	// Physics update
	self.update = function () {
		if (!self.canMove) return;
		// Update AI movement
		self.updateAI();
		// Apply physics
		self.velocity.x *= 0.95; // Apply friction
		self.velocity.y *= 0.95;
		self.x += self.velocity.x;
		self.y += self.velocity.y;
		// Update visual representation of sensitivity
		var baseTint = self.id === 1 ? 0xff0000 : self.id === 2 ? 0x0000ff : self.id === 3 ? 0x00ff00 : 0xffff00;
		// Mix in white based on sensitivity to create a visual indicator
		var sensitivityFactor = Math.min(1, (self.sensitivity - 1) / 3); // Cap at 4x base sensitivity
		var r = (baseTint >> 16 & 0xFF) + (255 - (baseTint >> 16 & 0xFF)) * sensitivityFactor;
		var g = (baseTint >> 8 & 0xFF) + (255 - (baseTint >> 8 & 0xFF)) * sensitivityFactor;
		var b = (baseTint & 0xFF) + (255 - (baseTint & 0xFF)) * sensitivityFactor;
		var newTint = Math.floor(r) << 16 | Math.floor(g) << 8 | Math.floor(b);
		self.graphic.tint = newTint;
		// Check if off arena
		if (self.checkOffArena()) {
			var eliminated = self.loseLife();
			if (eliminated) {
				checkGameEnd();
			}
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB
});

/**** 
* Game Code
****/ 
// Game variables
var players = [];
var arena;
var timerBar;
var timerBarFill;
var timerText;
var statusText;
var matchTimer = 45; // 45 seconds until arena starts shrinking
var totalMatchTime = 180; // 3 minutes total match time
var gameState = {
	started: false,
	shrinking: false,
	ended: false,
	arenaShape: 'circle',
	// 'circle', 'square', or 'rectangle'
	shrinkAmount: 0.995,
	// Arena shrinks to 0.5% per frame when shrinking
	roundNumber: 1
};
// Initialize arena
function initArena() {
	// Remove old arena if it exists
	if (arena) {
		game.removeChild(arena);
	}
	// Create new arena based on current shape
	arena = LK.getAsset('arena', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Set arena dimensions based on shape
	if (gameState.arenaShape === 'circle') {
		arena.width = 1800;
		arena.height = 1800;
	} else if (gameState.arenaShape === 'square') {
		arena.width = 1600;
		arena.height = 1600;
		arena.tint = 0x8B4513; // Slightly different color for square
	} else if (gameState.arenaShape === 'rectangle') {
		arena.width = 2000;
		arena.height = 1200;
		arena.tint = 0x996633; // Slightly different color for rectangle
	}
	arena.x = 2048 / 2;
	arena.y = 2732 / 2;
	game.addChild(arena);
	// Make sure arena is behind players
	for (var i = 0; i < players.length; i++) {
		if (players[i]) {
			game.removeChild(players[i]);
			game.addChild(players[i]);
		}
	}
}
// Initialize players
function initPlayers() {
	// Clear existing players
	for (var i = 0; i < players.length; i++) {
		if (players[i]) {
			game.removeChild(players[i]);
		}
	}
	players = [];
	// Create 4 players
	var positions = [{
		x: arena.x - arena.width * 0.3,
		y: arena.y - arena.height * 0.3
	}, {
		x: arena.x + arena.width * 0.3,
		y: arena.y - arena.height * 0.3
	}, {
		x: arena.x - arena.width * 0.3,
		y: arena.y + arena.height * 0.3
	}, {
		x: arena.x + arena.width * 0.3,
		y: arena.y + arena.height * 0.3
	}];
	for (var i = 0; i < 4; i++) {
		var player = new Player(i + 1, i + 1, positions[i].x, positions[i].y);
		// Ensure sensitivity starts at base level for new rounds
		player.sensitivity = 1;
		players.push(player);
		game.addChild(player);
	}
}
// Initialize UI
function initUI() {
	// Create timer bar
	timerBar = LK.getAsset('timer', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	timerBar.x = 2048 / 2;
	timerBar.y = 80;
	timerBarFill = LK.getAsset('timerFill', {
		anchorX: 0,
		anchorY: 0.5
	});
	timerBarFill.x = -timerBarFill.width / 2;
	timerBarFill.y = 0;
	timerBar.addChild(timerBarFill);
	game.addChild(timerBar);
	// Create timer text
	timerText = new Text2("01:00", {
		size: 50,
		fill: 0xFFFFFF
	});
	timerText.anchor.set(0.5, 0.5);
	timerText.x = 2048 / 2;
	timerText.y = 150;
	game.addChild(timerText);
	// Create status text
	statusText = new Text2("Round " + gameState.roundNumber + " - Push opponents off the arena!", {
		size: 60,
		fill: 0xFFFFFF
	});
	statusText.anchor.set(0.5, 0.5);
	statusText.x = 2048 / 2;
	statusText.y = 220;
	game.addChild(statusText);
}
// Check for game end
function checkGameEnd() {
	var playersAlive = 0;
	var lastAlivePlayer = null;
	for (var i = 0; i < players.length; i++) {
		if (players[i] && players[i].lives > 0) {
			playersAlive++;
			lastAlivePlayer = players[i];
		}
	}
	if (playersAlive <= 1 && !gameState.ended) {
		gameState.ended = true;
		if (lastAlivePlayer) {
			statusText.setText("Player " + lastAlivePlayer.id + " wins!");
			LK.setScore(lastAlivePlayer.id);
			// Show win screen after a short delay
			LK.setTimeout(function () {
				LK.showYouWin();
			}, 2000);
		} else {
			statusText.setText("Draw!");
			// Show game over after a short delay
			LK.setTimeout(function () {
				LK.showGameOver();
			}, 2000);
		}
	}
}
// Reset game for a new round
function startNewRound() {
	// Increment round number
	gameState.roundNumber++;
	// Change arena shape for the next round
	if (gameState.arenaShape === 'circle') {
		gameState.arenaShape = 'square';
	} else if (gameState.arenaShape === 'square') {
		gameState.arenaShape = 'rectangle';
	} else {
		gameState.arenaShape = 'circle';
	}
	// Reset game state
	gameState.started = false;
	gameState.shrinking = false;
	gameState.ended = false;
	matchTimer = 45;
	// Initialize game elements
	initArena();
	initPlayers();
	// Update UI
	statusText.setText("Round " + gameState.roundNumber + " - Push opponents off the arena!");
	// Start the game
	gameState.started = true;
}
// Handle dragging the human player
function handleDrag(x, y) {
	if (players[0] && players[0].isDragging && players[0].canMove && !players[0].respawning) {
		// Calculate direction vector
		var dx = x - players[0].x;
		var dy = y - players[0].y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		// Apply force toward the touch position
		if (distance > 0) {
			var maxSpeed = 10;
			var speedX = Math.min(dx, maxSpeed);
			var speedY = Math.min(dy, maxSpeed);
			players[0].velocity.x += speedX * 0.1;
			players[0].velocity.y += speedY * 0.1;
		}
	}
}
// Collision detection and resolution between players
function handleCollisions() {
	for (var i = 0; i < players.length; i++) {
		var playerA = players[i];
		if (!playerA || !playerA.canMove || playerA.respawning) continue;
		for (var j = i + 1; j < players.length; j++) {
			var playerB = players[j];
			if (!playerB || !playerB.canMove || playerB.respawning) continue;
			var dx = playerB.x - playerA.x;
			var dy = playerB.y - playerA.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			var minDistance = playerA.graphic.width / 2 + playerB.graphic.width / 2;
			if (distance < minDistance) {
				// Collision detected
				LK.getSound('push').play();
				// Calculate collision response
				var angle = Math.atan2(dy, dx);
				var overlap = minDistance - distance;
				// Move players apart
				var moveX = Math.cos(angle) * overlap * 0.5;
				var moveY = Math.sin(angle) * overlap * 0.5;
				playerA.x -= moveX;
				playerA.y -= moveY;
				playerB.x += moveX;
				playerB.y += moveY;
				// Calculate impulse
				var impulse = 2 * (playerA.velocity.x * Math.cos(angle) + playerA.velocity.y * Math.sin(angle) - playerB.velocity.x * Math.cos(angle) - playerB.velocity.y * Math.sin(angle)) / (playerA.mass + playerB.mass);
				// Apply impulse with sensitivity factor
				playerA.velocity.x -= impulse * playerA.mass * Math.cos(angle) * 1.5 * playerA.sensitivity;
				playerA.velocity.y -= impulse * playerA.mass * Math.sin(angle) * 1.5 * playerA.sensitivity;
				playerB.velocity.x += impulse * playerB.mass * Math.cos(angle) * 1.5 * playerB.sensitivity;
				playerB.velocity.y += impulse * playerB.mass * Math.sin(angle) * 1.5 * playerB.sensitivity;
				// Increase sensitivity on collision
				playerA.sensitivity += 0.05;
				playerB.sensitivity += 0.05;
				// Visual feedback for increased sensitivity
				tween(playerA.graphic, {
					alpha: 0.3
				}, {
					duration: 200,
					onFinish: function onFinish() {
						tween(playerA.graphic, {
							alpha: 1
						}, {
							duration: 200
						});
					}
				});
				tween(playerB.graphic, {
					alpha: 0.3
				}, {
					duration: 200,
					onFinish: function onFinish() {
						tween(playerB.graphic, {
							alpha: 1
						}, {
							duration: 200
						});
					}
				});
			}
		}
	}
}
// Format time as MM:SS
function formatTime(seconds) {
	var minutes = Math.floor(seconds / 60);
	var remainingSeconds = Math.floor(seconds % 60);
	return (minutes < 10 ? "0" : "") + minutes + ":" + (remainingSeconds < 10 ? "0" : "") + remainingSeconds;
}
// Update timer
function updateTimer() {
	matchTimer -= 1 / 60; // Decrease by 1/60th of a second (assuming 60 FPS)
	if (matchTimer <= 0 && !gameState.shrinking) {
		// Start shrinking the arena
		gameState.shrinking = true;
		statusText.setText("Arena is shrinking!");
		LK.getSound('warning').play();
		// Flash the status text
		tween(statusText, {
			alpha: 0
		}, {
			duration: 300,
			onFinish: function onFinish() {
				tween(statusText, {
					alpha: 1
				}, {
					duration: 300
				});
			}
		});
	}
	// Update timer display
	timerText.setText(formatTime(Math.max(0, matchTimer)));
	// Update timer bar
	var progress = Math.max(0, matchTimer / 45);
	timerBarFill.width = 496 * progress;
	// If arena is shrinking, change timer color to red
	if (gameState.shrinking) {
		timerBarFill.tint = 0xFF0000;
	}
}
// Initialize the game
function initGame() {
	// Set arena shape to circle for first round
	gameState.arenaShape = 'circle';
	gameState.roundNumber = 1;
	// Initialize game elements
	initArena();
	initPlayers();
	initUI();
	// Reset game state
	gameState.started = true;
	gameState.shrinking = false;
	gameState.ended = false;
	matchTimer = 45;
	// Play background music
	LK.playMusic('background');
}
// Handle game events
game.down = function (x, y, obj) {
	// Forward touch events to the human player
	if (players[0]) {
		players[0].down(x, y, obj);
	}
};
game.up = function (x, y, obj) {
	// Forward touch events to the human player
	if (players[0]) {
		players[0].up(x, y, obj);
	}
};
game.move = function (x, y, obj) {
	handleDrag(x, y);
};
// Main game loop
game.update = function () {
	// Initialize game on first update
	if (!gameState.started) {
		initGame();
		return;
	}
	// Don't update if game ended
	if (gameState.ended) return;
	// Update timer
	updateTimer();
	// Update players
	for (var i = 0; i < players.length; i++) {
		if (players[i]) {
			players[i].update();
		}
	}
	// Handle collisions between players
	handleCollisions();
	// Shrink arena if time has run out
	if (gameState.shrinking && arena.width > 400) {
		arena.width *= gameState.shrinkAmount;
		arena.height *= gameState.shrinkAmount;
	}
};
// Initialize game
initGame();

===================================================================
--- original.js
+++ change.js
@@ -17,9 +17,8 @@
 	self.speed = 5;
 	self.pushForce = 15;
 	self.mass = 1;
 	self.sensitivity = 1; // Base sensitivity to impacts
-	self.lastPositionBeforeCollision = null; // Track position before collision for knockoff detection
 	self.velocity = {
 		x: 0,
 		y: 0
 	};
@@ -65,38 +64,8 @@
 		if (self.lives >= 0 && self.livesDisplay[self.lives]) {
 			self.livesContainer.removeChild(self.livesDisplay[self.lives]);
 		}
 		LK.getSound('fall').play();
-		// Check which player knocked this player off
-		for (var i = 0; i < players.length; i++) {
-			var knocker = players[i];
-			if (knocker === self || !knocker.canMove) continue;
-			// If this player was recently in collision with the knocker
-			if (self.lastPositionBeforeCollision && knocker.lastPositionBeforeCollision) {
-				var dx = self.lastPositionBeforeCollision.x - knocker.lastPositionBeforeCollision.x;
-				var dy = self.lastPositionBeforeCollision.y - knocker.lastPositionBeforeCollision.y;
-				var distance = Math.sqrt(dx * dx + dy * dy);
-				// If they were close enough, consider this player knocked off by the knocker
-				if (distance < knocker.graphic.width * 1.5) {
-					// Reset knocker's sensitivity to normal
-					knocker.sensitivity = 1.0;
-					// Visual feedback for sensitivity reset
-					tween(knocker, {
-						alpha: 0.2
-					}, {
-						duration: 300,
-						onFinish: function onFinish() {
-							tween(knocker, {
-								alpha: 1
-							}, {
-								duration: 300
-							});
-						}
-					});
-					break;
-				}
-			}
-		}
 		if (self.lives <= 0) {
 			// Player is eliminated
 			self.canMove = false;
 			self.visible = false;
@@ -247,9 +216,9 @@
 var timerBar;
 var timerBarFill;
 var timerText;
 var statusText;
-var matchTimer = 60; // 60 seconds until arena starts shrinking
+var matchTimer = 45; // 45 seconds until arena starts shrinking
 var totalMatchTime = 180; // 3 minutes total match time
 var gameState = {
 	started: false,
 	shrinking: false,
@@ -405,9 +374,9 @@
 	// Reset game state
 	gameState.started = false;
 	gameState.shrinking = false;
 	gameState.ended = false;
-	matchTimer = 60;
+	matchTimer = 45;
 	// Initialize game elements
 	initArena();
 	initPlayers();
 	// Update UI
@@ -466,17 +435,8 @@
 				playerB.velocity.y += impulse * playerB.mass * Math.sin(angle) * 1.5 * playerB.sensitivity;
 				// Increase sensitivity on collision
 				playerA.sensitivity += 0.05;
 				playerB.sensitivity += 0.05;
-				// Track positions before impulse to check if players get knocked off
-				playerA.lastPositionBeforeCollision = {
-					x: playerA.x,
-					y: playerA.y
-				};
-				playerB.lastPositionBeforeCollision = {
-					x: playerB.x,
-					y: playerB.y
-				};
 				// Visual feedback for increased sensitivity
 				tween(playerA.graphic, {
 					alpha: 0.3
 				}, {
@@ -535,9 +495,9 @@
 	}
 	// Update timer display
 	timerText.setText(formatTime(Math.max(0, matchTimer)));
 	// Update timer bar
-	var progress = Math.max(0, matchTimer / 60);
+	var progress = Math.max(0, matchTimer / 45);
 	timerBarFill.width = 496 * progress;
 	// If arena is shrinking, change timer color to red
 	if (gameState.shrinking) {
 		timerBarFill.tint = 0xFF0000;
@@ -555,9 +515,9 @@
 	// Reset game state
 	gameState.started = true;
 	gameState.shrinking = false;
 	gameState.ended = false;
-	matchTimer = 60;
+	matchTimer = 45;
 	// Play background music
 	LK.playMusic('background');
 }
 // Handle game events