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

/**** 
* Classes
****/ 
var Orb = Container.expand(function () {
	var self = Container.call(this);
	var orbGraphics = self.attachAsset('orb', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityX = (Math.random() - 0.5) * 16;
	self.velocityY = (Math.random() - 0.5) * 16;
	self.update = function () {
		self.x += self.velocityX;
		self.y += self.velocityY;
		// Bounce off walls
		if (self.x <= 40 || self.x >= 2008) {
			self.velocityX *= -1;
			self.x = Math.max(40, Math.min(2008, self.x));
		}
		if (self.y <= 40 || self.y >= 2692) {
			self.velocityY *= -1;
			self.y = Math.max(40, Math.min(2692, self.y));
		}
		// Glowing effect
		orbGraphics.alpha = 0.7 + 0.3 * Math.sin(LK.ticks * 0.1);
	};
	return self;
});
var Stickman = Container.expand(function () {
	var self = Container.call(this);
	var stickmanGraphics = self.attachAsset('STICKMAN', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 4;
	self.wall = 'bottom'; // current wall: 'top', 'right', 'bottom', 'left'
	self.wallProgress = 0; // progress along current wall (0-1)
	self.isJumping = false;
	self.jumpStartWall = '';
	self.jumpStartProgress = 0;
	self.jumpProgress = 0;
	self.update = function () {
		if (self.isJumping) {
			self.jumpProgress += 0.04;
			var startPos = self.getWallPosition(self.jumpStartWall, self.jumpStartProgress);
			var endPos = self.getWallPosition(self.getOppositeWall(self.jumpStartWall), 0.5);
			self.x = startPos.x + (endPos.x - startPos.x) * self.jumpProgress;
			self.y = startPos.y + (endPos.y - startPos.y) * self.jumpProgress;
			if (self.jumpProgress >= 1) {
				self.isJumping = false;
				self.wall = self.getOppositeWall(self.jumpStartWall);
				self.wallProgress = 0.5;
				self.jumpProgress = 0;
				// Create impact effect
				createImpactEffect(self.x, self.y);
				damageTerrain(self.x, self.y);
				LK.getSound('impact').play();
			}
		} else {
			self.wallProgress += self.speed / 1000;
			if (self.wallProgress > 1) {
				self.wallProgress = 0;
				self.wall = self.getNextWall();
			}
			var pos = self.getWallPosition(self.wall, self.wallProgress);
			self.x = pos.x;
			self.y = pos.y;
			// Damage terrain as stickman runs
			if (LK.ticks % 15 === 0) {
				damageTerrain(self.x, self.y);
			}
		}
		// Rotate STICKMAN so top points toward center
		var centerX = 2048 / 2;
		var centerY = 2732 / 2;
		var angleToCenter = Math.atan2(centerY - self.y, centerX - self.x);
		// Add 90 degrees (Math.PI/2) so top of asset points toward center instead of side
		stickmanGraphics.rotation = angleToCenter + Math.PI / 2;
	};
	self.getWallPosition = function (wall, progress) {
		switch (wall) {
			case 'top':
				return {
					x: progress * 2048,
					y: 60
				};
			case 'right':
				return {
					x: 1988,
					y: 60 + progress * (2732 - 120)
				};
			case 'bottom':
				return {
					x: (1 - progress) * 2048,
					y: 2672
				};
			case 'left':
				return {
					x: 60,
					y: 2672 - progress * (2732 - 120)
				};
		}
	};
	self.getNextWall = function () {
		var walls = ['top', 'right', 'bottom', 'left'];
		var currentIndex = walls.indexOf(self.wall);
		return walls[(currentIndex - 1 + 4) % 4];
	};
	self.getOppositeWall = function (wall) {
		switch (wall) {
			case 'top':
				return 'bottom';
			case 'bottom':
				return 'top';
			case 'left':
				return 'right';
			case 'right':
				return 'left';
		}
	};
	self.jump = function () {
		if (!self.isJumping) {
			self.isJumping = true;
			self.jumpStartWall = self.wall;
			self.jumpStartProgress = self.wallProgress;
			self.jumpProgress = 0;
			LK.getSound('jump').play();
		}
	};
	return self;
});
var TerrainBlock = Container.expand(function () {
	var self = Container.call(this);
	var terrainGraphics = self.attachAsset('terrain', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 3;
	self.maxHealth = 3;
	self.damage = function () {
		self.health--;
		terrainGraphics.alpha = self.health / self.maxHealth;
		if (self.health <= 0) {
			self.destroy();
			return true; // Block destroyed
		}
		return false;
	};
	self.repair = function () {
		self.health = self.maxHealth;
		terrainGraphics.alpha = 1;
	};
	return self;
});

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

/**** 
* Game Code
****/ 
var stickman;
var orbs = [];
var terrainBlocks = [];
var orbsCollected = 0;
var gameTime = 0;
var destructionRate = 1;
// Create score display
var scoreTxt = new Text2('Score: 0', {
	size: 80,
	fill: 0x000000
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Create orbs collected display
var orbTxt = new Text2('Orbs: 0', {
	size: 60,
	fill: 0xFFD700
});
orbTxt.anchor.set(1, 0);
LK.gui.topRight.addChild(orbTxt);
// Initialize stickman
stickman = game.addChild(new Stickman());
var pos = stickman.getWallPosition('bottom', 0);
stickman.x = pos.x;
stickman.y = pos.y;
// Initialize orb
var firstOrb = game.addChild(new Orb());
firstOrb.x = 1024;
firstOrb.y = 1366;
orbs.push(firstOrb);
// Create initial terrain blocks around perimeter
function createInitialTerrain() {
	// Top wall
	for (var i = 0; i < 17; i++) {
		var block = new TerrainBlock();
		block.x = i * 120 + 60;
		block.y = 20;
		terrainBlocks.push(block);
		game.addChild(block);
	}
	// Bottom wall
	for (var i = 0; i < 17; i++) {
		var block = new TerrainBlock();
		block.x = i * 120 + 60;
		block.y = 2712;
		terrainBlocks.push(block);
		game.addChild(block);
	}
	// Left wall
	for (var i = 1; i < 22; i++) {
		var block = new TerrainBlock();
		block.x = 20;
		block.y = i * 120 + 60;
		terrainBlocks.push(block);
		game.addChild(block);
	}
	// Right wall
	for (var i = 1; i < 22; i++) {
		var block = new TerrainBlock();
		block.x = 2028;
		block.y = i * 120 + 60;
		terrainBlocks.push(block);
		game.addChild(block);
	}
}
function createImpactEffect(x, y) {
	var effect = LK.getAsset('impactEffect', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: x,
		y: y,
		alpha: 0.8
	});
	game.addChild(effect);
	tween(effect, {
		scaleX: 2,
		scaleY: 2,
		alpha: 0
	}, {
		duration: 500,
		onFinish: function onFinish() {
			effect.destroy();
		}
	});
}
function damageTerrain(x, y) {
	var damageRadius = 150;
	for (var i = terrainBlocks.length - 1; i >= 0; i--) {
		var block = terrainBlocks[i];
		var distance = Math.sqrt((block.x - x) * (block.x - x) + (block.y - y) * (block.y - y));
		if (distance < damageRadius) {
			if (block.damage()) {
				terrainBlocks.splice(i, 1);
			}
		}
	}
}
function repairTerrain() {
	for (var i = 0; i < terrainBlocks.length; i++) {
		terrainBlocks[i].repair();
	}
}
function createNewOrb() {
	if (orbs.length >= 100) return null; // Limit maximum orbs
	var newOrb = game.addChild(new Orb());
	newOrb.x = 200 + Math.random() * 1648;
	newOrb.y = 200 + Math.random() * 2332;
	newOrb.velocityX = (Math.random() - 0.5) * 16;
	newOrb.velocityY = (Math.random() - 0.5) * 16;
	orbs.push(newOrb);
	return newOrb;
}
function checkCollisions() {
	// Check orb collisions
	for (var i = orbs.length - 1; i >= 0; i--) {
		var currentOrb = orbs[i];
		var distance = Math.sqrt((stickman.x - currentOrb.x) * (stickman.x - currentOrb.x) + (stickman.y - currentOrb.y) * (stickman.y - currentOrb.y));
		if (distance < 70) {
			orbsCollected++;
			LK.setScore(LK.getScore() + 100);
			scoreTxt.setText('Score: ' + LK.getScore());
			orbTxt.setText('Orbs: ' + orbsCollected);
			// Repair terrain
			repairTerrain();
			// Remove collected orb
			currentOrb.destroy();
			orbs.splice(i, 1);
			// Split into 2 new orbs (if under limit)
			createNewOrb();
			createNewOrb();
			LK.getSound('collect').play();
			// Flash effect
			LK.effects.flashScreen(0xFFD700, 300);
			break; // Only collect one orb per frame
		}
	}
}
function checkGameOver() {
	if (terrainBlocks.length < 10) {
		LK.showGameOver();
	}
}
// Initialize terrain
createInitialTerrain();
// Game controls
game.down = function (x, y, obj) {
	stickman.jump();
};
// Main game loop
game.update = function () {
	gameTime++;
	// Increase destruction rate over time
	if (gameTime % 1800 === 0) {
		// Every 30 seconds
		destructionRate += 0.5;
	}
	// Random terrain destruction
	if (Math.random() < 0.001 * destructionRate && terrainBlocks.length > 0) {
		var randomIndex = Math.floor(Math.random() * terrainBlocks.length);
		var block = terrainBlocks[randomIndex];
		if (block.damage()) {
			terrainBlocks.splice(randomIndex, 1);
		}
	}
	// Update score based on survival time
	if (gameTime % 60 === 0) {
		// Every second
		LK.setScore(LK.getScore() + 10);
		scoreTxt.setText('Score: ' + LK.getScore());
	}
	checkCollisions();
	checkGameOver();
};

===================================================================
--- original.js
+++ change.js
@@ -108,9 +108,9 @@
 	};
 	self.getNextWall = function () {
 		var walls = ['top', 'right', 'bottom', 'left'];
 		var currentIndex = walls.indexOf(self.wall);
-		return walls[(currentIndex + 1) % 4];
+		return walls[(currentIndex - 1 + 4) % 4];
 	};
 	self.getOppositeWall = function (wall) {
 		switch (wall) {
 			case 'top':