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

/**** 
* Classes
****/ 
var HealthItem = Container.expand(function () {
	var self = Container.call(this);
	var heartGraphics = self.attachAsset('heart', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.collected = false;
	self.healAmount = 25;
	self.collect = function () {
		if (self.collected) return;
		self.collected = true;
		LK.getSound('collect').play();
		player.heal(self.healAmount);
		// Remove from healthItems array
		for (var i = healthItems.length - 1; i >= 0; i--) {
			if (healthItems[i] === self) {
				healthItems.splice(i, 1);
				break;
			}
		}
		game.removeChild(self);
	};
	return self;
});
var Ladder = Container.expand(function () {
	var self = Container.call(this);
	var ladderGraphics = self.attachAsset('ladder', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.used = false;
	self.use = function () {
		if (self.used) return;
		self.used = true;
		currentFloor++;
		generateFloor();
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.maxHealth = 100;
	self.health = self.maxHealth;
	self.speed = 3;
	self.attackRange = 80;
	self.attackDamage = 25;
	self.lastAttackTime = 0;
	self.attackCooldown = 500;
	self.takeDamage = function (damage) {
		self.health -= damage;
		if (self.health <= 0) {
			self.health = 0;
			LK.showGameOver();
		}
		LK.effects.flashObject(self, 0xFF0000, 300);
		LK.getSound('hurt').play();
	};
	self.heal = function (amount) {
		self.health = Math.min(self.maxHealth, self.health + amount);
	};
	self.canAttack = function () {
		return LK.ticks - self.lastAttackTime > self.attackCooldown;
	};
	self.canMoveTo = function (x, y) {
		return !checkCollisionWithWalls(x, y, 32);
	};
	self.attack = function () {
		if (!self.canAttack()) return;
		self.lastAttackTime = LK.ticks;
		LK.getSound('attack').play();
		// Check for slimes in attack range with line of sight
		for (var i = 0; i < slimes.length; i++) {
			var slime = slimes[i];
			var dx = slime.x - self.x;
			var dy = slime.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance <= self.attackRange && hasLineOfSight(self.x, self.y, slime.x, slime.y)) {
				slime.takeDamage(self.attackDamage);
			}
		}
		// Check for rocks in attack range with line of sight
		for (var i = 0; i < rocks.length; i++) {
			var rock = rocks[i];
			var dx = rock.x - self.x;
			var dy = rock.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance <= self.attackRange && hasLineOfSight(self.x, self.y, rock.x, rock.y)) {
				rock.hit();
			}
		}
	};
	return self;
});
var Resource = Container.expand(function (type) {
	var self = Container.call(this);
	self.type = type;
	self.collected = false;
	var resourceGraphics = self.attachAsset(type, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.collect = function () {
		if (self.collected) return;
		self.collected = true;
		LK.getSound('collect').play();
		// Update inventory
		if (!inventory[self.type]) {
			inventory[self.type] = 0;
		}
		inventory[self.type]++;
		// Remove from resources array
		for (var i = resources.length - 1; i >= 0; i--) {
			if (resources[i] === self) {
				resources.splice(i, 1);
				break;
			}
		}
		game.removeChild(self);
	};
	return self;
});
var Rock = Container.expand(function (rockType) {
	var self = Container.call(this);
	self.rockType = rockType || 'rock';
	var rockGraphics = self.attachAsset(self.rockType, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.maxHealth = 3;
	self.health = self.maxHealth;
	self.destroyed = false;
	self.hit = function () {
		if (self.destroyed) return;
		self.health--;
		LK.getSound('mine_hit').play();
		LK.effects.flashObject(self, 0xFFFFFF, 200);
		if (self.health <= 0) {
			self.destroy();
		}
	};
	self.destroy = function () {
		if (self.destroyed) return;
		self.destroyed = true;
		// Drop resources based on rock type
		var resource;
		if (self.rockType === 'coal') {
			resource = new Resource('coal');
		} else if (self.rockType === 'copper_ore') {
			resource = new Resource('copper_ore');
		} else if (self.rockType === 'iron_ore') {
			resource = new Resource('iron_ore');
		} else if (self.rockType === 'gold_ore') {
			resource = new Resource('gold_ore');
		} else if (self.rockType === 'gem') {
			resource = new Resource('gem');
		} else {
			// Regular rock always drops a rock resource
			resource = new Resource('rock');
		}
		if (resource) {
			resource.x = self.x;
			resource.y = self.y;
			resources.push(resource);
			game.addChild(resource);
		}
		// Chance to spawn ladder if it doesn't exist yet
		if (!ladder && Math.random() < 0.15) {
			ladder = new Ladder();
			ladder.x = self.x;
			ladder.y = self.y;
			game.addChild(ladder);
		}
		// Remove from rocks array
		for (var i = rocks.length - 1; i >= 0; i--) {
			if (rocks[i] === self) {
				rocks.splice(i, 1);
				break;
			}
		}
		game.removeChild(self);
	};
	return self;
});
var Slime = Container.expand(function () {
	var self = Container.call(this);
	var slimeGraphics = self.attachAsset('slime', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.maxHealth = 50;
	self.health = self.maxHealth;
	self.speed = 1;
	self.attackDamage = 15;
	self.lastAttackTime = 0;
	self.attackCooldown = 1000;
	self.attackRange = 50;
	self.destroyed = false;
	self.takeDamage = function (damage) {
		if (self.destroyed) return;
		self.health -= damage;
		LK.effects.flashObject(self, 0xFF0000, 200);
		if (self.health <= 0) {
			self.destroy();
		}
	};
	self.destroy = function () {
		if (self.destroyed) return;
		self.destroyed = true;
		// Drop heart sometimes
		if (Math.random() < 0.3) {
			var heart = new HealthItem();
			heart.x = self.x;
			heart.y = self.y;
			healthItems.push(heart);
			game.addChild(heart);
		}
		// Remove from slimes array
		for (var i = slimes.length - 1; i >= 0; i--) {
			if (slimes[i] === self) {
				slimes.splice(i, 1);
				break;
			}
		}
		// Increase score
		LK.setScore(LK.getScore() + 10);
		game.removeChild(self);
	};
	self.update = function () {
		if (self.destroyed) return;
		// Check if player is visible (line of sight)
		var dx = player.x - self.x;
		var dy = player.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (hasLineOfSight(self.x, self.y, player.x, player.y) && distance < 300) {
			// Move towards player if visible and within detection range
			if (distance > 0) {
				var moveX = dx / distance * self.speed;
				var moveY = dy / distance * self.speed;
				var newX = self.x + moveX;
				var newY = self.y + moveY;
				// Check collision before moving
				if (!checkCollisionWithWalls(newX, newY, 20)) {
					self.x = newX;
					self.y = newY;
				}
			}
			// Attack player if in range and visible
			if (distance <= self.attackRange && LK.ticks - self.lastAttackTime > self.attackCooldown) {
				self.lastAttackTime = LK.ticks;
				player.takeDamage(self.attackDamage);
			}
		}
	};
	return self;
});
var Wall = Container.expand(function () {
	var self = Container.call(this);
	var wallGraphics = self.attachAsset('wall', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2F1B14
});

/**** 
* Game Code
****/ 
var player;
var rocks = [];
var slimes = [];
var resources = [];
var healthItems = [];
var ladder;
var inventory = {};
var currentFloor = 1;
var walls = [];
function checkCollisionWithWalls(x, y, radius) {
	for (var i = 0; i < walls.length; i++) {
		var wall = walls[i];
		var dx = Math.abs(x - wall.x);
		var dy = Math.abs(y - wall.y);
		if (dx < 32 + radius && dy < 32 + radius) {
			return true;
		}
	}
	return false;
}
function hasLineOfSight(x1, y1, x2, y2) {
	var dx = x2 - x1;
	var dy = y2 - y1;
	var distance = Math.sqrt(dx * dx + dy * dy);
	var steps = Math.floor(distance / 16);
	for (var i = 0; i <= steps; i++) {
		var checkX = x1 + dx * i / steps;
		var checkY = y1 + dy * i / steps;
		if (checkCollisionWithWalls(checkX, checkY, 8)) {
			return false;
		}
	}
	return true;
}
// UI Elements
var healthBar;
var floorText;
var inventoryText;
function initializeGame() {
	player = game.addChild(new Player());
	player.x = 1024;
	player.y = 1366;
	// Create UI
	healthBar = new Text2('Health: 100/100', {
		size: 40,
		fill: 0xFF0000
	});
	healthBar.anchor.set(0, 0);
	LK.gui.topLeft.addChild(healthBar);
	healthBar.x = 120;
	healthBar.y = 20;
	floorText = new Text2('Floor: 1', {
		size: 40,
		fill: 0xFFFFFF
	});
	floorText.anchor.set(0.5, 0);
	LK.gui.top.addChild(floorText);
	floorText.y = 20;
	inventoryText = new Text2('', {
		size: 30,
		fill: 0xFFFF00
	});
	inventoryText.anchor.set(1, 0);
	LK.gui.topRight.addChild(inventoryText);
	inventoryText.x = -20;
	inventoryText.y = 20;
	generateFloor();
}
function generateFloor() {
	// Clear existing objects
	clearFloor();
	// Generate perimeter walls
	for (var x = 0; x < 2048; x += 64) {
		var topWall = new Wall();
		topWall.x = x + 32;
		topWall.y = 132;
		walls.push(topWall);
		game.addChild(topWall);
		var bottomWall = new Wall();
		bottomWall.x = x + 32;
		bottomWall.y = 2700;
		walls.push(bottomWall);
		game.addChild(bottomWall);
	}
	for (var y = 132; y < 2700; y += 64) {
		var leftWall = new Wall();
		leftWall.x = 32;
		leftWall.y = y + 32;
		walls.push(leftWall);
		game.addChild(leftWall);
		var rightWall = new Wall();
		rightWall.x = 2016;
		rightWall.y = y + 32;
		walls.push(rightWall);
		game.addChild(rightWall);
	}
	// Generate interior walls
	var numWalls = 8 + Math.floor(currentFloor * 2);
	for (var i = 0; i < numWalls; i++) {
		var wall = new Wall();
		wall.x = 200 + Math.random() * 1648;
		wall.y = 300 + Math.random() * 2132;
		walls.push(wall);
		game.addChild(wall);
	}
	// Generate rocks with different types based on floor
	var numRocks = 15 + Math.floor(currentFloor * 2);
	for (var i = 0; i < numRocks; i++) {
		var rockType = 'rock'; // Default rock type
		var rand = Math.random();
		// Higher floors have better chances for rare materials
		var floorMultiplier = Math.min(currentFloor / 10, 1); // Cap at floor 10
		if (rand < 0.3) {
			rockType = 'coal'; // Common on all floors
		} else if (rand < 0.3 + 0.2 * floorMultiplier) {
			rockType = 'copper_ore'; // More common on higher floors
		} else if (rand < 0.3 + 0.2 * floorMultiplier + 0.15 * floorMultiplier) {
			rockType = 'iron_ore'; // Rare, more common on higher floors
		} else if (rand < 0.3 + 0.2 * floorMultiplier + 0.15 * floorMultiplier + 0.1 * floorMultiplier) {
			rockType = 'gold_ore'; // Very rare, much more common on higher floors
		} else if (rand < 0.3 + 0.2 * floorMultiplier + 0.15 * floorMultiplier + 0.1 * floorMultiplier + 0.05 * floorMultiplier) {
			rockType = 'gem'; // Extremely rare, only on higher floors
		}
		var rock = new Rock(rockType);
		do {
			rock.x = 200 + Math.random() * 1648;
			rock.y = 300 + Math.random() * 2132;
		} while (checkCollisionWithWalls(rock.x, rock.y, 32));
		rocks.push(rock);
		game.addChild(rock);
	}
	// Generate slimes
	var numSlimes = 3 + Math.floor(currentFloor * 1.5);
	for (var i = 0; i < numSlimes; i++) {
		var slime = new Slime();
		do {
			slime.x = 200 + Math.random() * 1648;
			slime.y = 300 + Math.random() * 2132;
		} while (checkCollisionWithWalls(slime.x, slime.y, 32));
		slime.maxHealth += Math.floor(currentFloor * 10);
		slime.health = slime.maxHealth;
		slimes.push(slime);
		game.addChild(slime);
	}
	// Ladder will be generated when mining rocks
	ladder = null;
	// Update floor text
	floorText.setText('Floor: ' + currentFloor);
}
function clearFloor() {
	// Remove all walls
	for (var i = 0; i < walls.length; i++) {
		game.removeChild(walls[i]);
	}
	walls = [];
	// Remove all rocks
	for (var i = 0; i < rocks.length; i++) {
		game.removeChild(rocks[i]);
	}
	rocks = [];
	// Remove all slimes
	for (var i = 0; i < slimes.length; i++) {
		game.removeChild(slimes[i]);
	}
	slimes = [];
	// Remove all resources
	for (var i = 0; i < resources.length; i++) {
		game.removeChild(resources[i]);
	}
	resources = [];
	// Remove all health items
	for (var i = 0; i < healthItems.length; i++) {
		game.removeChild(healthItems[i]);
	}
	healthItems = [];
	// Remove ladder
	if (ladder) {
		game.removeChild(ladder);
		ladder = null;
	}
}
function updateUI() {
	// Update health bar
	healthBar.setText('Health: ' + player.health + '/' + player.maxHealth);
	// Update inventory display
	var inventoryStr = '';
	for (var item in inventory) {
		if (inventory[item] > 0) {
			inventoryStr += item.replace('_', ' ') + ': ' + inventory[item] + '\n';
		}
	}
	inventoryText.setText(inventoryStr);
}
var dragNode = null;
function handleMove(x, y, obj) {
	if (dragNode) {
		var newX = x;
		var newY = y;
		// Keep player within bounds
		newX = Math.max(64, Math.min(1984, newX));
		newY = Math.max(164, Math.min(2668, newY));
		// Check collision with walls
		if (!checkCollisionWithWalls(newX, newY, 32)) {
			dragNode.x = newX;
			dragNode.y = newY;
		}
	}
}
game.move = handleMove;
game.down = function (x, y, obj) {
	dragNode = player;
	handleMove(x, y, obj);
	// Attack on tap
	player.attack();
};
game.up = function (x, y, obj) {
	dragNode = null;
};
game.update = function () {
	if (!player) return;
	// Update slimes
	for (var i = 0; i < slimes.length; i++) {
		slimes[i].update();
	}
	// Check automatic mining when player is on top of rocks
	for (var i = rocks.length - 1; i >= 0; i--) {
		var rock = rocks[i];
		var dx = rock.x - player.x;
		var dy = rock.y - player.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 30) {
			// Player is standing on/very close to rock
			rock.hit();
		}
	}
	// Check resource collection
	for (var i = resources.length - 1; i >= 0; i--) {
		var resource = resources[i];
		var dx = resource.x - player.x;
		var dy = resource.y - player.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 40) {
			resource.collect();
		}
	}
	// Check health item collection
	for (var i = healthItems.length - 1; i >= 0; i--) {
		var healthItem = healthItems[i];
		var dx = healthItem.x - player.x;
		var dy = healthItem.y - player.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 40) {
			healthItem.collect();
		}
	}
	// Check ladder interaction
	if (ladder && !ladder.used) {
		var dx = ladder.x - player.x;
		var dy = ladder.y - player.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 50) {
			ladder.use();
		}
	}
	// Update UI
	updateUI();
};
// Initialize the game
initializeGame();

===================================================================
--- original.js
+++ change.js
@@ -165,18 +165,10 @@
 			resource = new Resource('gold_ore');
 		} else if (self.rockType === 'gem') {
 			resource = new Resource('gem');
 		} else {
-			// Regular rock has chance to drop random resource
-			var dropChance = Math.random();
-			if (dropChance < 0.3) {
-				var resourceType = Math.random();
-				if (resourceType < 0.5) {
-					resource = new Resource('coal');
-				} else {
-					resource = new Resource('copper_ore');
-				}
-			}
+			// Regular rock always drops a rock resource
+			resource = new Resource('rock');
 		}
 		if (resource) {
 			resource.x = self.x;
 			resource.y = self.y;