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

/**** 
* Classes
****/ 
// Arrow projectile
var Arrow = Container.expand(function () {
	var self = Container.call(this);
	self.type = 'arrow';
	self.speed = 38;
	self.damage = 18;
	self.target = null;
	self.lastX = 0;
	self.lastY = 0;
	self.attachAsset('wood', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.5,
		scaleY: 0.2
	});
	self.children[0].tint = 0xffe066;
	self.update = function () {
		self.lastX = self.x;
		self.lastY = self.y;
		if (self.target) {
			var dx = self.target.x - self.x;
			var dy = self.target.y - self.y;
			var dist = Math.sqrt(dx * dx + dy * dy);
			if (dist > 2) {
				self.x += dx / dist * self.speed;
				self.y += dy / dist * self.speed;
			}
		}
	};
	return self;
});
// Bow weapon
var Bow = Container.expand(function () {
	var self = Container.call(this);
	self.type = 'bow';
	self.damage = 18;
	self.range = 600;
	self.cooldown = 50;
	self.lastAttackTick = -1000;
	self.attachAsset('wood', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.children[0].tint = 0x8fd3ff;
	return self;
});
// Bush (for berries)
var Bush = Container.expand(function () {
	var self = Container.call(this);
	self.type = 'bush';
	self.attachAsset('bush', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});
// Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerSprite = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 18;
	self.inventory = {
		wood: 0,
		stone: 0,
		berry: 0,
		iron: 0,
		gold: 0,
		diamond: 0,
		ruby: 0,
		emerald: 0,
		coal: 0,
		arrow: 0,
		// arrows for bow
		// Workstations
		workbench: 0,
		furnace: 0,
		armorbench: 0,
		weaponbench: 0
	};
	self.health = 100;
	self.hunger = 100;
	self.hasShelter = false;
	self.hasRaft = false;
	self.update = function () {};
	return self;
});
// Raft
var Raft = Container.expand(function () {
	var self = Container.call(this);
	self.attachAsset('raft', {
		anchorX: 0.5,
		anchorY: 1
	});
	return self;
});
// Resource base class
var Resource = Container.expand(function () {
	var self = Container.call(this);
	self.type = '';
	self.collected = false;
	self.update = function () {};
	return self;
});
// Wood resource
var Wood = Resource.expand(function () {
	var self = Resource.call(this);
	self.type = 'wood';
	self.attachAsset('wood', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});
// Stone resource
var Stone = Resource.expand(function () {
	var self = Resource.call(this);
	self.type = 'stone';
	self.attachAsset('stone', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});
// Berry resource
var Berry = Resource.expand(function () {
	var self = Resource.call(this);
	self.type = 'berry';
	self.attachAsset('berry', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});
// Rock (for stone)
var Rock = Container.expand(function () {
	var self = Container.call(this);
	self.type = 'rock';
	self.attachAsset('rock', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});
// Shelter
var Shelter = Container.expand(function () {
	var self = Container.call(this);
	self.attachAsset('shelter', {
		anchorX: 0.5,
		anchorY: 1
	});
	return self;
});
// Sword weapon
var Sword = Container.expand(function () {
	var self = Container.call(this);
	self.type = 'sword';
	self.damage = 30;
	self.range = 180;
	self.cooldown = 30;
	self.lastAttackTick = -1000;
	self.attachAsset('wood', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.children[0].tint = 0xcccccc;
	return self;
});
// Tree (for wood)
var Tree = Container.expand(function () {
	var self = Container.call(this);
	self.type = 'tree';
	self.attachAsset('tree', {
		anchorX: 0.5,
		anchorY: 1
	});
	return self;
});
// Zombie enemy (attacks at night)
var Zombie = Container.expand(function () {
	var self = Container.call(this);
	self.type = 'zombie';
	self.speed = 4 + Math.random() * 2.5;
	self.target = null;
	self.damage = 12;
	self.lastX = 0;
	self.lastY = 0;
	self.attachAsset('player', {
		// reuse player shape, but tint
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.children[0].tint = 0x4b2e83; // purple zombie
	self.update = function () {
		self.lastX = self.x;
		self.lastY = self.y;
		if (self.target) {
			var dx = self.target.x - self.x;
			var dy = self.target.y - self.y;
			var dist = Math.sqrt(dx * dx + dy * dy);
			if (dist > 2) {
				self.x += dx / dist * self.speed;
				self.y += dy / dist * self.speed;
			}
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87ceeb // Sky blue for day
});

/**** 
* Game Code
****/ 
// Shapes for resources, player, and environment
// --- Global variables ---
var player;
var resources = [];
var interactables = [];
var shelter = null;
var raft = null;
var day = 1;
var isNight = false;
var nightOverlay;
var hungerTimer;
var dayNightTimer;
var dragging = false;
var dragOffset = {
	x: 0,
	y: 0
};
var selectedInteractable = null;
// --- Mine dimension ---
var inMine = false;
var mineBtn = null;
var mineResources = [];
var mineInteractables = [];
// --- Zombies, weapons, arrows ---
var zombies = [];
var zombieSpawnTimer = null;
var playerWeapon = null;
var arrows = [];
// --- UI Elements ---
var healthTxt = new Text2('Health: 100', {
	size: 40,
	fill: "#fff"
});
healthTxt.anchor.set(0, 0);
LK.gui.top.addChild(healthTxt);
var hungerTxt = new Text2('Hunger: 100', {
	size: 40,
	fill: "#fff"
});
hungerTxt.anchor.set(0, 0);
LK.gui.top.addChild(hungerTxt);
hungerTxt.y = 50;
var dayTxt = new Text2('Day: 1', {
	size: 40,
	fill: "#fff"
});
dayTxt.anchor.set(0, 0);
LK.gui.top.addChild(dayTxt);
dayTxt.y = 100;
// --- Inventory UI for all resources ---
var invTxt = new Text2('Wood: 0  Stone: 0  Berries: 0  Iron: 0  Gold: 0  Diamond: 0  Ruby: 0  Emerald: 0  Coal: 0', {
	size: 32,
	fill: "#fff"
});
invTxt.anchor.set(0.5, 0);
LK.gui.bottom.addChild(invTxt);
invTxt.y = -80;
// --- Crafting UI for workstations ---
var craftWorkbenchBtn = new Text2('Craft Workbench', {
	size: 32,
	fill: 0xFFE4B5
});
craftWorkbenchBtn.anchor.set(0.5, 0);
craftWorkbenchBtn.y = -320;
craftWorkbenchBtn.x = 0;
LK.gui.bottom.addChild(craftWorkbenchBtn);
var craftFurnaceBtn = new Text2('Craft Furnace', {
	size: 32,
	fill: 0xFFE4B5
});
craftFurnaceBtn.anchor.set(0.5, 0);
craftFurnaceBtn.y = -360;
craftFurnaceBtn.x = 0;
LK.gui.bottom.addChild(craftFurnaceBtn);
var craftArmorBenchBtn = new Text2('Craft Armor Bench', {
	size: 32,
	fill: 0xFFE4B5
});
craftArmorBenchBtn.anchor.set(0.5, 0);
craftArmorBenchBtn.y = -400;
craftArmorBenchBtn.x = 0;
LK.gui.bottom.addChild(craftArmorBenchBtn);
var craftWeaponBenchBtn = new Text2('Craft Weapon Bench', {
	size: 32,
	fill: 0xFFE4B5
});
craftWeaponBenchBtn.anchor.set(0.5, 0);
craftWeaponBenchBtn.y = -440;
craftWeaponBenchBtn.x = 0;
LK.gui.bottom.addChild(craftWeaponBenchBtn);
// --- Helper functions ---
function updateUI() {
	healthTxt.setText('Health: ' + Math.max(0, Math.round(player.health)));
	hungerTxt.setText('Hunger: ' + Math.max(0, Math.round(player.hunger)));
	dayTxt.setText('Day: ' + day);
	invTxt.setText('Wood: ' + player.inventory.wood + '  Stone: ' + player.inventory.stone + '  Berries: ' + player.inventory.berry + '  Iron: ' + player.inventory.iron + '  Gold: ' + player.inventory.gold + '  Diamond: ' + player.inventory.diamond + '  Ruby: ' + player.inventory.ruby + '  Emerald: ' + player.inventory.emerald + '  Coal: ' + player.inventory.coal + '  Arrows: ' + player.inventory.arrow);
}
function spawnResource(type, x, y) {
	var res;
	if (type === 'wood') {
		res = new Wood();
	} else if (type === 'stone') {
		res = new Stone();
	} else if (type === 'berry') {
		res = new Berry();
	} else if (type === 'iron') {
		res = new Resource();
		res.type = 'iron';
		res.attachAsset('stone', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		res.children[0].tint = 0xaaaaaa;
	} else if (type === 'gold') {
		res = new Resource();
		res.type = 'gold';
		res.attachAsset('stone', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		res.children[0].tint = 0xffd700;
	} else if (type === 'diamond') {
		res = new Resource();
		res.type = 'diamond';
		res.attachAsset('stone', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		res.children[0].tint = 0x00ffff;
	} else if (type === 'ruby') {
		res = new Resource();
		res.type = 'ruby';
		res.attachAsset('stone', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		res.children[0].tint = 0xff0044;
	} else if (type === 'emerald') {
		res = new Resource();
		res.type = 'emerald';
		res.attachAsset('stone', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		res.children[0].tint = 0x00ff44;
	} else if (type === 'coal') {
		res = new Resource();
		res.type = 'coal';
		res.attachAsset('stone', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		res.children[0].tint = 0x222222;
	}
	res.x = x;
	res.y = y;
	resources.push(res);
	game.addChild(res);
}
function spawnInteractable(type, x, y) {
	var obj;
	if (type === 'tree') {
		obj = new Tree();
	} else if (type === 'rock') {
		obj = new Rock();
	} else if (type === 'bush') {
		obj = new Bush();
	}
	obj.x = x;
	obj.y = y;
	interactables.push(obj);
	game.addChild(obj);
}
function removeResource(res) {
	res.destroy();
	var idx = resources.indexOf(res);
	if (idx !== -1) resources.splice(idx, 1);
}
function removeInteractable(obj) {
	obj.destroy();
	var idx = interactables.indexOf(obj);
	if (idx !== -1) interactables.splice(idx, 1);
}
function showNightOverlay() {
	if (!nightOverlay) {
		nightOverlay = LK.getAsset('nightOverlay', {
			anchorX: 0,
			anchorY: 0,
			x: 0,
			y: 0
		});
		nightOverlay.alpha = 0.5;
		game.addChild(nightOverlay);
	} else {
		nightOverlay.alpha = 0.5;
	}
}
function hideNightOverlay() {
	if (nightOverlay) nightOverlay.alpha = 0;
}
// --- Zombie spawning and cleanup ---
function spawnZombie() {
	var z = new Zombie();
	// Spawn at random edge
	var edge = Math.floor(Math.random() * 4);
	if (edge === 0) {
		// left
		z.x = 0;
		z.y = 400 + Math.random() * 1800;
	} else if (edge === 1) {
		// right
		z.x = 2048;
		z.y = 400 + Math.random() * 1800;
	} else if (edge === 2) {
		// top
		z.x = 200 + Math.random() * 1600;
		z.y = 0;
	} else {
		// bottom
		z.x = 200 + Math.random() * 1600;
		z.y = 2732;
	}
	z.target = player;
	zombies.push(z);
	game.addChild(z);
}
function clearZombies() {
	for (var i = 0; i < zombies.length; i++) {
		zombies[i].destroy();
	}
	zombies = [];
}
function startZombieSpawning() {
	zombieSpawnTimer = LK.setInterval(function () {
		if (isNight) {
			spawnZombie();
		}
	}, 2500);
}
function stopZombieSpawning() {
	if (zombieSpawnTimer) LK.clearInterval(zombieSpawnTimer);
	clearZombies();
}
function startDayNightCycle() {
	dayNightTimer = LK.setInterval(function () {
		isNight = !isNight;
		if (isNight) {
			showNightOverlay();
			startZombieSpawning();
		} else {
			hideNightOverlay();
			stopZombieSpawning();
			day += 1;
			updateUI();
		}
	}, 20000); // 20 seconds per phase
}
function stopDayNightCycle() {
	if (dayNightTimer) LK.clearInterval(dayNightTimer);
}
function startHunger() {
	hungerTimer = LK.setInterval(function () {
		if (isNight && !player.hasShelter) {
			player.health -= 2;
		}
		player.hunger -= 1;
		if (player.hunger <= 0) {
			player.health -= 2;
		}
		if (player.health <= 0) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
		updateUI();
	}, 1200);
}
function stopHunger() {
	if (hungerTimer) LK.clearInterval(hungerTimer);
}
function tryCollectResource(res) {
	if (res.type === 'wood') {
		player.inventory.wood += 1;
	} else if (res.type === 'stone') {
		player.inventory.stone += 1;
	} else if (res.type === 'berry') {
		player.inventory.berry += 1;
		player.hunger = Math.min(100, player.hunger + 10);
	} else if (res.type === 'iron') {
		player.inventory.iron += 1;
	} else if (res.type === 'gold') {
		player.inventory.gold += 1;
	} else if (res.type === 'diamond') {
		player.inventory.diamond += 1;
	} else if (res.type === 'ruby') {
		player.inventory.ruby += 1;
	} else if (res.type === 'emerald') {
		player.inventory.emerald += 1;
	} else if (res.type === 'coal') {
		player.inventory.coal += 1;
	}
	removeResource(res);
	updateUI();
}
function tryInteract(obj) {
	if (obj.type === 'tree') {
		spawnResource('wood', obj.x + Math.random() * 60 - 30, obj.y + 80);
		removeInteractable(obj);
	} else if (obj.type === 'rock') {
		spawnResource('stone', obj.x, obj.y + 40);
		removeInteractable(obj);
	} else if (obj.type === 'bush') {
		spawnResource('berry', obj.x, obj.y + 20);
		removeInteractable(obj);
	}
}
function canBuildShelter() {
	return !player.hasShelter && player.inventory.wood >= 5 && player.inventory.stone >= 3;
}
function buildShelter() {
	player.inventory.wood -= 5;
	player.inventory.stone -= 3;
	player.hasShelter = true;
	shelter = new Shelter();
	shelter.x = player.x + 180;
	shelter.y = player.y + 100;
	game.addChild(shelter);
	updateUI();
}
function canBuildRaft() {
	return !player.hasRaft && player.inventory.wood >= 10 && player.inventory.stone >= 5;
}
function buildRaft() {
	player.inventory.wood -= 10;
	player.inventory.stone -= 5;
	player.hasRaft = true;
	raft = new Raft();
	raft.x = 2048 - 300;
	raft.y = 2732 - 200;
	game.addChild(raft);
	updateUI();
}
function tryEscape() {
	if (player.hasRaft && Math.abs(player.x - raft.x) < 150 && Math.abs(player.y - raft.y) < 150) {
		LK.showYouWin();
	}
}
// --- Game Setup ---
function setupIsland() {
	// Place trees, rocks, bushes randomly
	for (var i = 0; i < 6; i++) {
		spawnInteractable('tree', 200 + Math.random() * 1600, 400 + Math.random() * 1800);
	}
	for (var i = 0; i < 5; i++) {
		spawnInteractable('rock', 200 + Math.random() * 1600, 400 + Math.random() * 1800);
	}
	for (var i = 0; i < 4; i++) {
		spawnInteractable('bush', 200 + Math.random() * 1600, 400 + Math.random() * 1800);
	}
	// New resource spawns
	for (var i = 0; i < 3; i++) {
		spawnResource('iron', 200 + Math.random() * 1600, 400 + Math.random() * 1800);
		spawnResource('gold', 200 + Math.random() * 1600, 400 + Math.random() * 1800);
		spawnResource('diamond', 200 + Math.random() * 1600, 400 + Math.random() * 1800);
		spawnResource('ruby', 200 + Math.random() * 1600, 400 + Math.random() * 1800);
		spawnResource('emerald', 200 + Math.random() * 1600, 400 + Math.random() * 1800);
		spawnResource('coal', 200 + Math.random() * 1600, 400 + Math.random() * 1800);
	}
}
// --- Player Setup ---
player = new Player();
player.x = 2048 / 2;
player.y = 2732 / 2;
game.addChild(player);
// --- Initial Island ---
setupIsland();
updateUI();
startDayNightCycle();
startHunger();
// --- Mine Button ---
mineBtn = new Text2('Enter Mine', {
	size: 36,
	fill: 0xeeeeee
});
mineBtn.anchor.set(0.5, 0);
mineBtn.y = -380;
mineBtn.x = 640;
LK.gui.bottom.addChild(mineBtn);
// --- Setup Mine ---
function setupMine() {
	// Clear previous mine resources/interactables
	for (var i = 0; i < mineResources.length; i++) {
		mineResources[i].destroy();
	}
	for (var i = 0; i < mineInteractables.length; i++) {
		mineInteractables[i].destroy();
	}
	mineResources = [];
	mineInteractables = [];
	// Spawn lots of stone, iron, diamond, coal, ruby
	for (var i = 0; i < 18; i++) {
		var t = Math.random();
		var type = 'stone';
		if (t < 0.18) type = 'iron';else if (t < 0.36) type = 'diamond';else if (t < 0.54) type = 'coal';else if (t < 0.72) type = 'ruby';
		// else stone
		var x = 200 + Math.random() * 1600;
		var y = 400 + Math.random() * 1800;
		var res = null;
		if (type === 'stone') {
			res = new Stone();
		} else if (type === 'iron') {
			res = new Resource();
			res.type = 'iron';
			res.attachAsset('stone', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			res.children[0].tint = 0xaaaaaa;
		} else if (type === 'diamond') {
			res = new Resource();
			res.type = 'diamond';
			res.attachAsset('stone', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			res.children[0].tint = 0x00ffff;
		} else if (type === 'coal') {
			res = new Resource();
			res.type = 'coal';
			res.attachAsset('stone', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			res.children[0].tint = 0x222222;
		} else if (type === 'ruby') {
			res = new Resource();
			res.type = 'ruby';
			res.attachAsset('stone', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			res.children[0].tint = 0xff0044;
		}
		res.x = x;
		res.y = y;
		mineResources.push(res);
	}
	// Add to game
	for (var i = 0; i < mineResources.length; i++) {
		game.addChild(mineResources[i]);
	}
	// Add some rocks as interactables
	for (var i = 0; i < 6; i++) {
		var rock = new Rock();
		rock.x = 200 + Math.random() * 1600;
		rock.y = 400 + Math.random() * 1800;
		mineInteractables.push(rock);
		game.addChild(rock);
	}
}
// --- Touch Controls ---
// Mine button logic
mineBtn.down = function (x, y, obj) {
	if (!inMine) {
		// Enter mine
		inMine = true;
		// Hide all island resources/interactables
		for (var i = 0; i < resources.length; i++) {
			resources[i].visible = false;
		}
		for (var i = 0; i < interactables.length; i++) {
			interactables[i].visible = false;
		}
		if (shelter) shelter.visible = false;
		if (raft) raft.visible = false;
		// Remove zombies from screen
		for (var i = 0; i < zombies.length; i++) {
			zombies[i].visible = false;
		}
		// Remove arrows from screen
		for (var i = 0; i < arrows.length; i++) {
			arrows[i].visible = false;
		}
		// Setup mine
		setupMine();
		// Move player to mine entrance
		player.x = 2048 / 2;
		player.y = 2732 / 2;
		// Change button text
		mineBtn.setText('Exit Mine');
	} else {
		// Exit mine
		inMine = false;
		// Remove mine resources/interactables
		for (var i = 0; i < mineResources.length; i++) {
			mineResources[i].destroy();
		}
		for (var i = 0; i < mineInteractables.length; i++) {
			mineInteractables[i].destroy();
		}
		mineResources = [];
		mineInteractables = [];
		// Show all island resources/interactables
		for (var i = 0; i < resources.length; i++) {
			resources[i].visible = true;
		}
		for (var i = 0; i < interactables.length; i++) {
			interactables[i].visible = true;
		}
		if (shelter) shelter.visible = true;
		if (raft) raft.visible = true;
		// Show zombies/arrows again
		for (var i = 0; i < zombies.length; i++) {
			zombies[i].visible = true;
		}
		for (var i = 0; i < arrows.length; i++) {
			arrows[i].visible = true;
		}
		// Move player to island center
		player.x = 2048 / 2;
		player.y = 2732 / 2;
		// Change button text
		mineBtn.setText('Enter Mine');
	}
};
game.down = function (x, y, obj) {
	// Don't allow dragging from top left 100x100
	if (x < 100 && y < 100) return;
	// --- WEAPON ATTACK ---
	if (playerWeapon) {
		// Sword: tap near player to attack
		if (playerWeapon.type === 'sword') {
			if (LK.ticks - playerWeapon.lastAttackTick > playerWeapon.cooldown) {
				for (var i = zombies.length - 1; i >= 0; i--) {
					var z = zombies[i];
					var dx = z.x - player.x;
					var dy = z.y - player.y;
					var dist = Math.sqrt(dx * dx + dy * dy);
					if (dist < playerWeapon.range) {
						z.destroy();
						zombies.splice(i, 1);
						playerWeapon.lastAttackTick = LK.ticks;
						LK.effects.flashObject(playerWeapon, 0xffff00, 200);
						break;
					}
				}
			}
		}
		// Bow: tap anywhere to shoot arrow toward tap
		else if (playerWeapon.type === 'bow') {
			if (LK.ticks - playerWeapon.lastAttackTick > playerWeapon.cooldown) {
				// Require at least 1 arrow in inventory to shoot
				if (player.inventory.arrow && player.inventory.arrow > 0) {
					// Find closest zombie in range
					var closest = null;
					var minDist = 99999;
					for (var i = 0; i < zombies.length; i++) {
						var z = zombies[i];
						var dx = z.x - player.x;
						var dy = z.y - player.y;
						var dist = Math.sqrt(dx * dx + dy * dy);
						if (dist < playerWeapon.range && dist < minDist) {
							closest = z;
							minDist = dist;
						}
					}
					if (closest) {
						var arrow = new Arrow();
						arrow.x = player.x + 60;
						arrow.y = player.y;
						arrow.target = closest;
						arrows.push(arrow);
						game.addChild(arrow);
						player.inventory.arrow -= 1;
						updateUI();
						playerWeapon.lastAttackTick = LK.ticks;
						LK.effects.flashObject(playerWeapon, 0x66ccff, 200);
					}
				}
			}
		}
	}
	// Check if touching interactable
	if (!inMine) {
		for (var i = 0; i < interactables.length; i++) {
			var it = interactables[i];
			if (player.intersects(it)) {
				selectedInteractable = it;
				return;
			}
		}
		// Check if touching resource
		for (var j = 0; j < resources.length; j++) {
			var res = resources[j];
			if (player.intersects(res)) {
				tryCollectResource(res);
				return;
			}
		}
	} else {
		// In mine: check mine interactables/resources
		for (var i = 0; i < mineInteractables.length; i++) {
			var it = mineInteractables[i];
			if (player.intersects(it)) {
				// Use same logic as rocks
				spawnResource('stone', it.x, it.y + 40);
				it.destroy();
				mineInteractables.splice(i, 1);
				updateUI();
				return;
			}
		}
		for (var j = 0; j < mineResources.length; j++) {
			var res = mineResources[j];
			if (player.intersects(res)) {
				// Use tryCollectResource logic, but remove from mineResources
				if (res.type === 'wood') {
					player.inventory.wood += 1;
				} else if (res.type === 'stone') {
					player.inventory.stone += 1;
				} else if (res.type === 'berry') {
					player.inventory.berry += 1;
					player.hunger = Math.min(100, player.hunger + 10);
				} else if (res.type === 'iron') {
					player.inventory.iron += 1;
				} else if (res.type === 'gold') {
					player.inventory.gold += 1;
				} else if (res.type === 'diamond') {
					player.inventory.diamond += 1;
				} else if (res.type === 'ruby') {
					player.inventory.ruby += 1;
				} else if (res.type === 'emerald') {
					player.inventory.emerald += 1;
				} else if (res.type === 'coal') {
					player.inventory.coal += 1;
				}
				res.destroy();
				mineResources.splice(j, 1);
				updateUI();
				return;
			}
		}
	}
	// Check if touching raft
	if (raft && player.intersects(raft)) {
		tryEscape();
		return;
	}
	// Start dragging player
	dragging = true;
	dragOffset.x = x - player.x;
	dragOffset.y = y - player.y;
};
game.move = function (x, y, obj) {
	if (dragging) {
		player.x = Math.max(60, Math.min(2048 - 60, x - dragOffset.x));
		player.y = Math.max(120, Math.min(2732 - 60, y - dragOffset.y));
		// If shelter exists, keep it near player
		if (shelter) {
			shelter.x = player.x + 180;
			shelter.y = player.y + 100;
		}
	}
};
game.up = function (x, y, obj) {
	dragging = false;
	if (selectedInteractable) {
		if (player.intersects(selectedInteractable)) {
			tryInteract(selectedInteractable);
		}
		selectedInteractable = null;
	}
};
// --- Crafting Buttons ---
var craftShelterBtn = new Text2('Build Shelter', {
	size: 40,
	fill: 0xFFE4B5
});
craftShelterBtn.anchor.set(0.5, 0);
craftShelterBtn.y = -180;
craftShelterBtn.x = 0;
LK.gui.bottom.addChild(craftShelterBtn);
var craftRaftBtn = new Text2('Build Raft', {
	size: 40,
	fill: 0xFFE4B5
});
craftRaftBtn.anchor.set(0.5, 0);
craftRaftBtn.y = -220;
craftRaftBtn.x = 0;
LK.gui.bottom.addChild(craftRaftBtn);
// --- Craft Sword and Bow Buttons ---
var craftSwordBtn = new Text2('Craft Sword', {
	size: 40,
	fill: 0xeeeeee
});
craftSwordBtn.anchor.set(0.5, 0);
craftSwordBtn.y = -260;
craftSwordBtn.x = 0;
LK.gui.bottom.addChild(craftSwordBtn);
var craftBowBtn = new Text2('Craft Bow', {
	size: 40,
	fill: 0xeeeeee
});
craftBowBtn.anchor.set(0.5, 0);
craftBowBtn.y = -300;
craftBowBtn.x = 0;
LK.gui.bottom.addChild(craftBowBtn);
// --- Crafting logic for workstations ---
function canCraftWorkbench() {
	return player.inventory.wood >= 6 && player.inventory.stone >= 2;
}
function canCraftFurnace() {
	return player.inventory.stone >= 8 && player.inventory.coal >= 2;
}
function canCraftArmorBench() {
	return player.inventory.wood >= 4 && player.inventory.iron >= 2;
}
function canCraftWeaponBench() {
	return player.inventory.wood >= 4 && player.inventory.stone >= 2 && player.inventory.iron >= 1;
}
function craftWorkbench() {
	player.inventory.wood -= 6;
	player.inventory.stone -= 2;
	player.inventory.workbench += 1;
	updateUI();
}
function craftFurnace() {
	player.inventory.stone -= 8;
	player.inventory.coal -= 2;
	player.inventory.furnace += 1;
	updateUI();
}
function craftArmorBench() {
	player.inventory.wood -= 4;
	player.inventory.iron -= 2;
	player.inventory.armorbench += 1;
	updateUI();
}
function craftWeaponBench() {
	player.inventory.wood -= 4;
	player.inventory.stone -= 2;
	player.inventory.iron -= 1;
	player.inventory.weaponbench += 1;
	updateUI();
}
craftWorkbenchBtn.down = function (x, y, obj) {
	if (canCraftWorkbench()) {
		craftWorkbench();
	}
};
craftFurnaceBtn.down = function (x, y, obj) {
	if (canCraftFurnace()) {
		craftFurnace();
	}
};
craftArmorBenchBtn.down = function (x, y, obj) {
	if (canCraftArmorBench()) {
		craftArmorBench();
	}
};
craftWeaponBenchBtn.down = function (x, y, obj) {
	if (canCraftWeaponBench()) {
		craftWeaponBench();
	}
};
craftShelterBtn.down = function (x, y, obj) {
	if (canBuildShelter()) {
		buildShelter();
	}
};
craftRaftBtn.down = function (x, y, obj) {
	if (canBuildRaft()) {
		buildRaft();
	}
};
// --- Crafting logic for sword, bow, and arrows ---
function canCraftSword() {
	return (!playerWeapon || playerWeapon.type !== 'sword') && player.inventory.wood >= 3 && player.inventory.stone >= 2;
}
function canCraftBow() {
	return (!playerWeapon || playerWeapon.type !== 'bow') && player.inventory.wood >= 4 && player.inventory.berry >= 2;
}
// Craft 5 arrows for 1 wood and 1 stone
function canCraftArrows() {
	return player.inventory.wood >= 1 && player.inventory.stone >= 1;
}
function craftSword() {
	player.inventory.wood -= 3;
	player.inventory.stone -= 2;
	if (playerWeapon) {
		playerWeapon.destroy();
	}
	playerWeapon = new Sword();
	playerWeapon.x = player.x + 60;
	playerWeapon.y = player.y;
	game.addChild(playerWeapon);
	updateUI();
}
function craftBow() {
	player.inventory.wood -= 4;
	player.inventory.berry -= 2;
	if (playerWeapon) {
		playerWeapon.destroy();
	}
	playerWeapon = new Bow();
	playerWeapon.x = player.x + 60;
	playerWeapon.y = player.y;
	game.addChild(playerWeapon);
	updateUI();
}
function craftArrows() {
	player.inventory.wood -= 1;
	player.inventory.stone -= 1;
	player.inventory.arrow += 5;
	updateUI();
}
craftSwordBtn.down = function (x, y, obj) {
	if (canCraftSword()) {
		craftSword();
	}
};
craftBowBtn.down = function (x, y, obj) {
	if (canCraftBow()) {
		craftBow();
	}
};
// Arrow crafting button
var craftArrowBtn = new Text2('Craft 5 Arrows', {
	size: 40,
	fill: 0xeeeeee
});
craftArrowBtn.anchor.set(0.5, 0);
craftArrowBtn.y = -340;
craftArrowBtn.x = 320;
LK.gui.bottom.addChild(craftArrowBtn);
craftArrowBtn.down = function (x, y, obj) {
	if (canCraftArrows()) {
		craftArrows();
	}
};
// --- Game Update Loop ---
game.update = function () {
	// Randomly respawn resources
	if (LK.ticks % 180 === 0) {
		var t = Math.random();
		if (t < 0.33) {
			spawnInteractable('tree', 200 + Math.random() * 1600, 400 + Math.random() * 1800);
		} else if (t < 0.66) {
			spawnInteractable('rock', 200 + Math.random() * 1600, 400 + Math.random() * 1800);
		} else {
			spawnInteractable('bush', 200 + Math.random() * 1600, 400 + Math.random() * 1800);
		}
	}
	// --- ZOMBIE LOGIC ---
	for (var i = zombies.length - 1; i >= 0; i--) {
		var z = zombies[i];
		z.update();
		// If zombie reaches player
		if (z.lastWasIntersecting === undefined) z.lastWasIntersecting = false;
		var nowIntersect = z.intersects(player);
		if (!z.lastWasIntersecting && nowIntersect) {
			if (!player.hasShelter) {
				player.health -= z.damage;
				LK.effects.flashObject(player, 0xff0000, 400);
				updateUI();
				if (player.health <= 0) {
					LK.effects.flashScreen(0xff0000, 1000);
					LK.showGameOver();
				}
			}
		}
		z.lastWasIntersecting = nowIntersect;
		// Remove zombie if dead or off screen
		if (z.x < -100 || z.x > 2148 || z.y < -100 || z.y > 2832) {
			z.destroy();
			zombies.splice(i, 1);
		}
	}
	// --- ARROW LOGIC ---
	for (var j = arrows.length - 1; j >= 0; j--) {
		var a = arrows[j];
		a.update();
		// Hit zombie?
		for (var k = zombies.length - 1; k >= 0; k--) {
			var z = zombies[k];
			if (a.intersects(z)) {
				z.destroy();
				zombies.splice(k, 1);
				a.destroy();
				arrows.splice(j, 1);
				break;
			}
		}
		// Remove arrow if off screen
		if (a.x < -100 || a.x > 2148 || a.y < -100 || a.y > 2832) {
			a.destroy();
			arrows.splice(j, 1);
		}
	}
	// --- WEAPON FOLLOW PLAYER ---
	if (playerWeapon) {
		playerWeapon.x = player.x + 60;
		playerWeapon.y = player.y;
	}
	// If night and no shelter, health drops faster
	if (isNight && !player.hasShelter) {
		healthTxt.tint = 0xff4444;
	} else {
		healthTxt.tint = 0xffffff;
	}
	// If raft built, show escape hint
	if (player.hasRaft && raft) {
		// Optionally, could show a message
	}
};
// --- Cleanup on Game Over/Win ---
LK.on('gameover', function () {
	stopDayNightCycle();
	stopHunger();
	stopZombieSpawning();
	clearZombies();
	for (var i = 0; i < arrows.length; i++) {
		arrows[i].destroy();
	}
	arrows = [];
	if (playerWeapon) {
		playerWeapon.destroy();
		playerWeapon = null;
	}
});
LK.on('youwin', function () {
	stopDayNightCycle();
	stopHunger();
	stopZombieSpawning();
	clearZombies();
	for (var i = 0; i < arrows.length; i++) {
		arrows[i].destroy();
	}
	arrows = [];
	if (playerWeapon) {
		playerWeapon.destroy();
		playerWeapon = null;
	}
});

===================================================================
--- original.js
+++ change.js
@@ -245,8 +245,13 @@
 	x: 0,
 	y: 0
 };
 var selectedInteractable = null;
+// --- Mine dimension ---
+var inMine = false;
+var mineBtn = null;
+var mineResources = [];
+var mineInteractables = [];
 // --- Zombies, weapons, arrows ---
 var zombies = [];
 var zombieSpawnTimer = null;
 var playerWeapon = null;
@@ -600,9 +605,154 @@
 setupIsland();
 updateUI();
 startDayNightCycle();
 startHunger();
+// --- Mine Button ---
+mineBtn = new Text2('Enter Mine', {
+	size: 36,
+	fill: 0xeeeeee
+});
+mineBtn.anchor.set(0.5, 0);
+mineBtn.y = -380;
+mineBtn.x = 640;
+LK.gui.bottom.addChild(mineBtn);
+// --- Setup Mine ---
+function setupMine() {
+	// Clear previous mine resources/interactables
+	for (var i = 0; i < mineResources.length; i++) {
+		mineResources[i].destroy();
+	}
+	for (var i = 0; i < mineInteractables.length; i++) {
+		mineInteractables[i].destroy();
+	}
+	mineResources = [];
+	mineInteractables = [];
+	// Spawn lots of stone, iron, diamond, coal, ruby
+	for (var i = 0; i < 18; i++) {
+		var t = Math.random();
+		var type = 'stone';
+		if (t < 0.18) type = 'iron';else if (t < 0.36) type = 'diamond';else if (t < 0.54) type = 'coal';else if (t < 0.72) type = 'ruby';
+		// else stone
+		var x = 200 + Math.random() * 1600;
+		var y = 400 + Math.random() * 1800;
+		var res = null;
+		if (type === 'stone') {
+			res = new Stone();
+		} else if (type === 'iron') {
+			res = new Resource();
+			res.type = 'iron';
+			res.attachAsset('stone', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			});
+			res.children[0].tint = 0xaaaaaa;
+		} else if (type === 'diamond') {
+			res = new Resource();
+			res.type = 'diamond';
+			res.attachAsset('stone', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			});
+			res.children[0].tint = 0x00ffff;
+		} else if (type === 'coal') {
+			res = new Resource();
+			res.type = 'coal';
+			res.attachAsset('stone', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			});
+			res.children[0].tint = 0x222222;
+		} else if (type === 'ruby') {
+			res = new Resource();
+			res.type = 'ruby';
+			res.attachAsset('stone', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			});
+			res.children[0].tint = 0xff0044;
+		}
+		res.x = x;
+		res.y = y;
+		mineResources.push(res);
+	}
+	// Add to game
+	for (var i = 0; i < mineResources.length; i++) {
+		game.addChild(mineResources[i]);
+	}
+	// Add some rocks as interactables
+	for (var i = 0; i < 6; i++) {
+		var rock = new Rock();
+		rock.x = 200 + Math.random() * 1600;
+		rock.y = 400 + Math.random() * 1800;
+		mineInteractables.push(rock);
+		game.addChild(rock);
+	}
+}
 // --- Touch Controls ---
+// Mine button logic
+mineBtn.down = function (x, y, obj) {
+	if (!inMine) {
+		// Enter mine
+		inMine = true;
+		// Hide all island resources/interactables
+		for (var i = 0; i < resources.length; i++) {
+			resources[i].visible = false;
+		}
+		for (var i = 0; i < interactables.length; i++) {
+			interactables[i].visible = false;
+		}
+		if (shelter) shelter.visible = false;
+		if (raft) raft.visible = false;
+		// Remove zombies from screen
+		for (var i = 0; i < zombies.length; i++) {
+			zombies[i].visible = false;
+		}
+		// Remove arrows from screen
+		for (var i = 0; i < arrows.length; i++) {
+			arrows[i].visible = false;
+		}
+		// Setup mine
+		setupMine();
+		// Move player to mine entrance
+		player.x = 2048 / 2;
+		player.y = 2732 / 2;
+		// Change button text
+		mineBtn.setText('Exit Mine');
+	} else {
+		// Exit mine
+		inMine = false;
+		// Remove mine resources/interactables
+		for (var i = 0; i < mineResources.length; i++) {
+			mineResources[i].destroy();
+		}
+		for (var i = 0; i < mineInteractables.length; i++) {
+			mineInteractables[i].destroy();
+		}
+		mineResources = [];
+		mineInteractables = [];
+		// Show all island resources/interactables
+		for (var i = 0; i < resources.length; i++) {
+			resources[i].visible = true;
+		}
+		for (var i = 0; i < interactables.length; i++) {
+			interactables[i].visible = true;
+		}
+		if (shelter) shelter.visible = true;
+		if (raft) raft.visible = true;
+		// Show zombies/arrows again
+		for (var i = 0; i < zombies.length; i++) {
+			zombies[i].visible = true;
+		}
+		for (var i = 0; i < arrows.length; i++) {
+			arrows[i].visible = true;
+		}
+		// Move player to island center
+		player.x = 2048 / 2;
+		player.y = 2732 / 2;
+		// Change button text
+		mineBtn.setText('Enter Mine');
+	}
+};
 game.down = function (x, y, obj) {
 	// Don't allow dragging from top left 100x100
 	if (x < 100 && y < 100) return;
 	// --- WEAPON ATTACK ---
@@ -659,22 +809,67 @@
 			}
 		}
 	}
 	// Check if touching interactable
-	for (var i = 0; i < interactables.length; i++) {
-		var it = interactables[i];
-		if (player.intersects(it)) {
-			selectedInteractable = it;
-			return;
+	if (!inMine) {
+		for (var i = 0; i < interactables.length; i++) {
+			var it = interactables[i];
+			if (player.intersects(it)) {
+				selectedInteractable = it;
+				return;
+			}
 		}
-	}
-	// Check if touching resource
-	for (var j = 0; j < resources.length; j++) {
-		var res = resources[j];
-		if (player.intersects(res)) {
-			tryCollectResource(res);
-			return;
+		// Check if touching resource
+		for (var j = 0; j < resources.length; j++) {
+			var res = resources[j];
+			if (player.intersects(res)) {
+				tryCollectResource(res);
+				return;
+			}
 		}
+	} else {
+		// In mine: check mine interactables/resources
+		for (var i = 0; i < mineInteractables.length; i++) {
+			var it = mineInteractables[i];
+			if (player.intersects(it)) {
+				// Use same logic as rocks
+				spawnResource('stone', it.x, it.y + 40);
+				it.destroy();
+				mineInteractables.splice(i, 1);
+				updateUI();
+				return;
+			}
+		}
+		for (var j = 0; j < mineResources.length; j++) {
+			var res = mineResources[j];
+			if (player.intersects(res)) {
+				// Use tryCollectResource logic, but remove from mineResources
+				if (res.type === 'wood') {
+					player.inventory.wood += 1;
+				} else if (res.type === 'stone') {
+					player.inventory.stone += 1;
+				} else if (res.type === 'berry') {
+					player.inventory.berry += 1;
+					player.hunger = Math.min(100, player.hunger + 10);
+				} else if (res.type === 'iron') {
+					player.inventory.iron += 1;
+				} else if (res.type === 'gold') {
+					player.inventory.gold += 1;
+				} else if (res.type === 'diamond') {
+					player.inventory.diamond += 1;
+				} else if (res.type === 'ruby') {
+					player.inventory.ruby += 1;
+				} else if (res.type === 'emerald') {
+					player.inventory.emerald += 1;
+				} else if (res.type === 'coal') {
+					player.inventory.coal += 1;
+				}
+				res.destroy();
+				mineResources.splice(j, 1);
+				updateUI();
+				return;
+			}
+		}
 	}
 	// Check if touching raft
 	if (raft && player.intersects(raft)) {
 		tryEscape();