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

/**** 
* Classes
****/ 
/**** 
* CLASSES
****/ 
/** 
* Cluster – spawns multiple Ore objects of a given type.
*/ 
var Cluster = Container.expand(function (type) {
	var self = Container.call(this);
	self.type = type;
	self.oreList = [];
	// Random center position
	var centerX = 100 + Math.random() * (2048 - 200);
	var centerY = 100 + Math.random() * (2732 - 200);
	self.x = centerX;
	self.y = centerY;
	var cc = gameState.clusterConfig;
	var count = randomInt(cc.min, cc.max);
	for (var i = 0; i < count; i++) {
		var ore = new Ore(type, self);
		ore.x = (Math.random() - 0.5) * 120;
		ore.y = (Math.random() - 0.5) * 120;
		self.oreList.push(ore);
		self.addChild(ore);
	}
	self.notifyOreDestroyed = function (ore) {
		var idx = self.oreList.indexOf(ore);
		if (idx >= 0) {
			self.oreList.splice(idx, 1);
		}
		ore.destroy();
		if (self.oreList.length === 0) {
			if (self.parent) {
				self.parent.removeChild(self);
			}
			var cidx = clusters.indexOf(self);
			if (cidx >= 0) {
				clusters.splice(cidx, 1);
			}
			gameState.clusterCount[type]--;
			var finalDelay = gameState.respawnTime;
			if (type === 'coal') {
				finalDelay *= 2;
			}
			LK.setTimeout(function () {
				maybeSpawnCluster(type);
			}, finalDelay);
		}
	};
	return self;
});
/** 
* Drone – moves around and zaps nearby ores.
* (Added slight random deviation for natural movement.)
*/ 
var Drone = Container.expand(function () {
	var self = Container.call(this);
	self.droneSprite = LK.getAsset('drone_asset', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.addChild(self.droneSprite);
	var SPEED = 8;
	var MIN_X = 50,
		MAX_X = 2000,
		MIN_Y = 50,
		MAX_Y = 2682;
	self.vx = Math.random() < 0.5 ? SPEED : -SPEED;
	self.vy = Math.random() < 0.5 ? SPEED : -SPEED;
	self.AOE_RANGE = 100;
	self.droneDamage = 2;
	self.COOLDOWN_MAX = 60;
	self.cooldown = 0;
	self.updateDrone = function () {
		self.x += self.vx;
		self.y += self.vy;
		if (self.x < MIN_X || self.x > MAX_X) {
			self.vx = -self.vx;
		}
		if (self.y < MIN_Y || self.y > MAX_Y) {
			self.vy = -self.vy;
		}
		// Random slight deviation
		if (Math.random() < 0.01) {
			self.vx += (Math.random() - 0.5) * 2;
			self.vy += (Math.random() - 0.5) * 2;
			var speed = Math.sqrt(self.vx * self.vx + self.vy * self.vy);
			if (speed > SPEED) {
				self.vx = self.vx / speed * SPEED;
				self.vy = self.vy / speed * SPEED;
			}
		}
		if (self.cooldown > 0) {
			self.cooldown--;
		} else {
			self.tryZap();
		}
	};
	self.tryZap = function () {
		var hitSomething = false;
		clusters.forEach(function (cluster) {
			cluster.oreList.forEach(function (ore) {
				if (ore.health > 0) {
					var oreGlobalX = cluster.x + ore.x;
					var oreGlobalY = cluster.y + ore.y;
					var dx = self.x - oreGlobalX;
					var dy = self.y - oreGlobalY;
					var dist = Math.sqrt(dx * dx + dy * dy);
					if (dist < self.AOE_RANGE) {
						ore.health -= self.droneDamage;
						hitSomething = true;
						if (ore.health <= 0) {
							var baseValue = ore.getValue();
							gameState.money += baseValue;
							updateUI();
							ore.cluster.notifyOreDestroyed(ore);
							spawnMiningParticles(ore, 5);
						}
					}
				}
			});
		});
		if (hitSomething) {
			self.cooldown = self.COOLDOWN_MAX;
		}
	};
	return self;
});
/** 
* Miner – moves to and mines the nearest ore.
* (Includes Chronostone speed boost, Soul Ember value boost, Quantum Shard chain mode,
* and the new Hyper Mining Mode.)
*/ 
var Miner = Container.expand(function () {
	var self = Container.call(this);
	self.attachAsset('miner', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.currentTarget = null;
	self.miningRange = 25;
	self.miningCooldown = 0;
	self.miningRate = 30;
	self.miningDamage = 1;
	// Save original values for hyper mode resets:
	self.originalMiningRate = self.miningRate;
	self.originalMiningDamage = self.miningDamage;
	// Chronostone boost
	self.speedBoostMultiplier = 1;
	self.speedBoostTimer = 0;
	// Soul Ember boost
	self.soulEmberStacks = 0;
	// Quantum Shard
	self.quantumPathActive = false;
	self.quantumPath = [];
	self.quantumShardValueBonus = false;
	// New Hyper Mining Mode
	self.hyperMiningActive = false;
	self.hyperMiningTimer = 0;
	self.activateHyperMining = function () {
		self.hyperMiningActive = true;
		self.hyperMiningTimer = 10 * 60; // 10 seconds at 60fps
		self.miningDamage *= 2;
		self.miningRate = Math.max(1, Math.floor(self.miningRate / 2));
	};
	self.findNewTarget = function () {
		if (self.quantumPathActive && self.quantumPath.length > 0) {
			self.currentTarget = self.quantumPath[0];
			if (!self.currentTarget || self.currentTarget.health <= 0) {
				self.quantumPath.shift();
				if (self.quantumPath.length === 0) {
					if (self.quantumShardValueBonus) {
						self.quantumShardValueBonus = false;
					}
					self.quantumPathActive = false;
					self.currentTarget = null;
				}
				return;
			}
			return;
		}
		var validOre = [];
		clusters.forEach(function (c) {
			c.oreList.forEach(function (ore) {
				if (ore.health > 0 && ore.tier <= gameState.currentTier) {
					validOre.push(ore);
				}
			});
		});
		if (validOre.length === 0) {
			self.currentTarget = null;
			return;
		}
		self.currentTarget = validOre.sort(function (a, b) {
			var aX = a.parent.x + a.x,
				aY = a.parent.y + a.y;
			var bX = b.parent.x + b.x,
				bY = b.parent.y + b.y;
			return Math.hypot(aX - self.x, aY - self.y) - Math.hypot(bX - self.x, bY - self.y);
		})[0];
	};
	self.update = function () {
		if (self.hyperMiningActive) {
			self.hyperMiningTimer--;
			if (self.hyperMiningTimer <= 0) {
				self.miningDamage = self.originalMiningDamage;
				self.miningRate = self.originalMiningRate;
				self.hyperMiningActive = false;
			}
		}
		if (self.speedBoostTimer > 0) {
			self.speedBoostTimer--;
			if (self.speedBoostTimer <= 0) {
				self.speedBoostMultiplier = 1;
			}
		}
		self.findNewTarget();
		if (self.currentTarget) {
			var tx = self.currentTarget.parent.x + self.currentTarget.x;
			var ty = self.currentTarget.parent.y + self.currentTarget.y;
			var dx = tx - self.x,
				dy = ty - self.y;
			var dist = Math.sqrt(dx * dx + dy * dy);
			var finalSpeed = self.speed * self.speedBoostMultiplier;
			if (dist > self.miningRange) {
				self.x += dx / dist * finalSpeed;
				self.y += dy / dist * finalSpeed;
			} else {
				self.mineOre(self.currentTarget);
			}
		} else {
			if (typeof LK.time !== 'undefined') {
				self.y += Math.sin(LK.time.elapsed / 250) * 0.5;
			}
		}
	};
	self.mineOre = function (ore) {
		if (self.miningCooldown > 0) {
			self.miningCooldown--;
			return;
		}
		if (self.quantumPathActive && self.quantumPath.length > 0 && self.quantumPath[0] === ore) {
			self.quantumPath.shift();
			if (self.quantumPath.length === 0) {
				self.quantumPathActive = false;
			}
		}
		var damageDealt = self.miningDamage * gameState.pickaxeLevel * (gameState.pickaxeBaseMultiplier || 1);
		ore.health -= damageDealt;
		self.miningCooldown = self.miningRate;
		if (ore.health <= 0) {
			var baseValue = ore.getValue();
			var finalValue = baseValue;
			if (self.soulEmberStacks > 0) {
				finalValue *= 5;
				self.soulEmberStacks--;
			}
			if (self.quantumShardValueBonus) {
				finalValue *= 1.5;
			}
			gameState.money += finalValue;
			updateUI();
			ore.cluster.notifyOreDestroyed(ore);
			spawnMiningParticles(ore, 5);
			// If ore is explosive, trigger chain reaction and screen shake.
			if (ore.type === "explosive" && ore.explode) {
				ore.explode();
			}
		} else {
			spawnMiningParticles(ore, 2);
		}
	};
	// Boost functions
	self.applyChronostoneBoost = function () {
		self.speedBoostMultiplier *= 3;
		self.speedBoostTimer = 30 * 60;
	};
	self.applySoulEmberBoost = function () {
		if (gameState.money >= 1e6) {
			var drain = gameState.money * 0.10;
			gameState.money -= drain;
			self.soulEmberStacks = 10;
			updateUI();
		}
	};
	self.triggerQuantumShardMode = function () {
		self.quantumShardValueBonus = true;
		self.quantumPathActive = true;
		self.quantumPath = [];
		game.pauseForQuantumSelection();
	};
	return self;
});
/** 
* Ore – represents a single ore object.
* This version integrates the health bar, special ore glow, and explosive ore behavior.
*/ 
var Ore = Container.expand(function (type, cluster) {
	var self = Container.call(this);
	self.type = type;
	self.cluster = cluster;
	// Determine tier: standard ores get a tier 1-7, others (like special) are set high.
	var typeList = ['coal', 'iron', 'gold', 'diamond', 'sapphire', 'emerald', 'ruby'];
	if (typeList.indexOf(type) >= 0) {
		self.tier = typeList.indexOf(type) + 1;
	} else {
		self.tier = 999;
	}
	self.baseValue = oreData[type].baseValue;
	self.maxHealth = oreData[type].baseHealth;
	self.health = self.maxHealth;
	// Attach sprite for the ore
	self.attachAsset(oreData[type].assetId, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Health bar
	self.healthBar = LK.getAsset('rectangle', {
		width: 120,
		height: 20,
		fill: 0x00FF00,
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.healthBar.x = 0;
	self.healthBar.y = -70;
	self.addChild(self.healthBar);
	// For special ores, add a pulsing glow effect (if applicable)
	if (["chronostone", "soulember", "quantumshard"].indexOf(type) >= 0) {
		var _pulseGlow = function pulseGlow() {
			tween(glow, {
				alpha: 1
			}, {
				duration: 1000,
				onFinish: function onFinish() {
					tween(glow, {
						alpha: 0.5
					}, {
						duration: 1000,
						onFinish: _pulseGlow
					});
				}
			});
		};
		var glow = LK.getAsset('glowing_line_asset', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		glow.alpha = 0.5;
		self.addChildAt(glow, 0);
		_pulseGlow();
	}
	// For explosive ore, add an explosion method
	if (type === "explosive") {
		self.explode = function () {
			var explosionRadius = 100;
			clusters.forEach(function (cluster) {
				cluster.oreList.forEach(function (otherOre) {
					if (otherOre !== self && otherOre.health > 0) {
						var oreGlobalX = cluster.x + otherOre.x;
						var oreGlobalY = cluster.y + otherOre.y;
						var dx = self.parent.x + self.x - oreGlobalX;
						var dy = self.parent.y + self.y - oreGlobalY;
						var dist = Math.sqrt(dx * dx + dy * dy);
						if (dist < explosionRadius) {
							otherOre.health -= 50;
							if (otherOre.health <= 0) {
								var baseValue = otherOre.getValue();
								gameState.money += baseValue;
								updateUI();
								otherOre.cluster.notifyOreDestroyed(otherOre);
								spawnMiningParticles(otherOre, 5);
							} else {
								spawnMiningParticles(otherOre, 2);
							}
						}
					}
				});
			});
			screenShake(500, 10);
		};
	}
	self.getValue = function () {
		return self.baseValue * gameState.oreMultipliers[self.type];
	};
	return self;
});

/**** 
* Initialize Game
****/ 
/**** 
* Game Initialization and Helper Functions
****/ 
var game = new LK.Game({
	backgroundColor: 0x1a1a1a
});

/**** 
* Game Code
****/ 
// Returns a random integer between min and max (inclusive)
/**** 
* Helper Functions
****/ 
function randomInt(min, max) {
	return Math.floor(Math.random() * (max - min + 1)) + min;
}
// Enhanced mining particles – if ore is special, tint accordingly
function spawnMiningParticles(ore, num) {
	for (var i = 0; i < num; i++) {
		var p = LK.getAsset('mining_particle', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		// Position at ore's global coordinates
		if (ore.parent) {
			p.x = ore.parent.x + ore.x;
			p.y = ore.parent.y + ore.y;
		} else {
			p.x = ore.x;
			p.y = ore.y;
		}
		// If ore is special, try to tint the particle (if supported)
		if (["chronostone", "soulember", "quantumshard"].indexOf(ore.type) >= 0) {
			p.tint = oreData[ore.type].color || 0xffffff;
		}
		p.vx = (Math.random() - 0.5) * 10;
		p.vy = (Math.random() - 0.5) * 10;
		p.alpha = 1;
		tween(p, {
			alpha: 0,
			y: p.y - 50
		}, {
			duration: 1000,
			onFinish: function onFinish() {
				p.destroy();
			}
		});
		game.addChild(p);
	}
}
// Interpolates between two colors (used for health bars)
function interpolateColor(c1, c2, f) {
	var r1 = c1 >> 16 & 0xFF,
		g1 = c1 >> 8 & 0xFF,
		b1 = c1 & 0xFF;
	var r2 = c2 >> 16 & 0xFF,
		g2 = c2 >> 8 & 0xFF,
		b2 = c2 & 0xFF;
	var r = Math.round(r1 + f * (r2 - r1));
	var g = Math.round(g1 + f * (g2 - g1));
	var b = Math.round(b1 + f * (b2 - b1));
	return r << 16 | g << 8 | b;
}
// Simple screen shake effect for explosions
function screenShake(duration, magnitude) {
	var originalX = game.x;
	var originalY = game.y;
	var shakeInterval = 50; // ms
	var elapsed = 0;
	var shake = setInterval(function () {
		elapsed += shakeInterval;
		game.x = originalX + (Math.random() - 0.5) * magnitude;
		game.y = originalY + (Math.random() - 0.5) * magnitude;
		if (elapsed >= duration) {
			clearInterval(shake);
			game.x = originalX;
			game.y = originalY;
		}
	}, shakeInterval);
}
// Achievement system – add more as needed
var achievements = [{
	id: 'first_mine',
	name: 'First Mine',
	description: 'Mine your first ore',
	achieved: false,
	condition: function condition() {
		return gameState.money > 0;
	}
}, {
	id: 'rich_miner',
	name: 'Rich Miner',
	description: 'Earn 1 Billion money',
	achieved: false,
	condition: function condition() {
		return gameState.money >= 1e9;
	}
}];
/**** 
* Ore Data
****/ 
var oreData = {
	coal: {
		baseValue: 5,
		baseHealth: 10,
		assetId: 'coal_ore'
	},
	iron: {
		baseValue: 500,
		baseHealth: 100,
		assetId: 'iron_ore'
	},
	gold: {
		baseValue: 10000,
		baseHealth: 500,
		assetId: 'gold_ore'
	},
	diamond: {
		baseValue: 25000,
		baseHealth: 1000,
		assetId: 'diamond_ore'
	},
	sapphire: {
		baseValue: 100000,
		baseHealth: 2000,
		assetId: 'sapphire_ore'
	},
	emerald: {
		baseValue: 500000,
		baseHealth: 5000,
		assetId: 'emerald_ore'
	},
	ruby: {
		baseValue: 1000000,
		baseHealth: 10000,
		assetId: 'ruby_ore'
	},
	chronostone: {
		baseValue: 2000000,
		baseHealth: 2000,
		assetId: 'chronostone_ore',
		color: 0xc997d8
	},
	soulember: {
		baseValue: 5000000,
		baseHealth: 5000,
		assetId: 'soulember_ore',
		color: 0xdef3e5
	},
	quantumshard: {
		baseValue: 10000000,
		baseHealth: 10000,
		assetId: 'quantumshard_ore',
		color: 0xa1bb12
	}
};
/**** 
* GAME STATE
****/ 
var gameState = {
	money: 0,
	pickaxeLevel: 1,
	pickaxeBaseMultiplier: 1,
	droneLevel: 0,
	currentTier: 1,
	oreMultipliers: {
		coal: 1,
		iron: 1,
		gold: 1,
		diamond: 1,
		sapphire: 1,
		emerald: 1,
		ruby: 1,
		chronostone: 1,
		soulember: 1,
		quantumshard: 1
	},
	respawnTime: 3000,
	maxClustersPerType: 3,
	clusterCount: {
		coal: 0,
		iron: 0,
		gold: 0,
		diamond: 0,
		sapphire: 0,
		emerald: 0,
		ruby: 0,
		chronostone: 0,
		soulember: 0,
		quantumshard: 0
	},
	clusterConfigLevels: [{
		min: 2,
		max: 3
	}, {
		min: 2,
		max: 4
	}, {
		min: 3,
		max: 5
	}, {
		min: 5,
		max: 10
	}],
	clusterUpgradeTier: 0,
	get clusterConfig() {
		return this.clusterConfigLevels[this.clusterUpgradeTier] || {
			min: 2,
			max: 3
		};
	},
	// Prestige
	prestigeCount: 0,
	prestigeCurrency: 0
};
/**** 
* Helper Functions for Prestige & Background Transitions
****/ 
function getPrestigeRequirement() {
	var base = 1e12;
	var multiplier = Math.pow(1000, gameState.prestigeCount);
	return base * multiplier;
}
function canPrestige() {
	return gameState.money >= getPrestigeRequirement();
}
function calculatePrestigeShards() {
	var threshold = getPrestigeRequirement();
	if (gameState.money < threshold) {
		return 0;
	}
	var ratio = gameState.money / threshold;
	var shards = Math.floor(Math.log10(ratio) * 2);
	return Math.max(shards, 1);
}
function doPrestige() {
	// Clear all clusters
	for (var i = clusters.length - 1; i >= 0; i--) {
		var c = clusters[i];
		c.removeChildren();
		if (c.parent) {
			c.parent.removeChild(c);
		}
		clusters.splice(i, 1);
	}
	var shards = calculatePrestigeShards();
	gameState.prestigeCurrency += shards;
	gameState.prestigeCount++;
	gameState.money = 0;
	gameState.currentTier = 1;
	for (var key in gameState.clusterCount) {
		gameState.clusterCount[key] = 0;
	}
	handleBackgroundTransition();
	initialSpawn();
	updateUI();
}
function handleBackgroundTransition() {
	if (nextBackground && nextBackground.parent) {
		nextBackground.parent.removeChild(nextBackground);
	}
	var newBg = null;
	if (gameState.prestigeCount >= 8) {
		newBg = LK.getAsset('background_tier8', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	} else if (gameState.prestigeCount >= 5) {
		newBg = LK.getAsset('background_tier5', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	} else if (gameState.prestigeCount >= 3) {
		newBg = LK.getAsset('background_tier3', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	} else {
		newBg = LK.getAsset('background', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	}
	newBg.x = 2048 / 2;
	newBg.y = 2732 + 2732 / 2; // start off-screen (bottom)
	game.addChild(newBg);
	nextBackground = newBg;
	var oldBg = currentBackground;
	if (!oldBg) {
		oldBg = LK.getAsset('background', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		oldBg.x = 2048 / 2;
		oldBg.y = 2732 / 2;
		game.addChildAt(oldBg, 0);
	}
	if (oldBg === newBg) {
		currentBackground = newBg;
		return;
	}
	var dur = 3000;
	tween(oldBg, {
		y: oldBg.y - 2732
	}, {
		duration: dur,
		onFinish: function onFinish() {
			if (oldBg && oldBg.parent) {
				oldBg.parent.removeChild(oldBg);
			}
		}
	});
	tween(newBg, {
		y: 2732 / 2
	}, {
		duration: dur,
		onFinish: function onFinish() {
			currentBackground = newBg;
		}
	});
}
var clusters = [];
var currentBackground = null;
var nextBackground = null;
var miner = null;
var droneObjects = [];
var droneSprites = [];
// Initial spawn of clusters for each ore type
function initialSpawn() {
	var allTypes = ['coal', 'iron', 'gold', 'diamond', 'sapphire', 'emerald', 'ruby'];
	allTypes.forEach(function (type, idx) {
		var t = idx + 1;
		if (t <= gameState.currentTier) {
			for (var i = 0; i < gameState.maxClustersPerType; i++) {
				maybeSpawnCluster(type);
			}
		}
	});
	// Attempt to spawn special ores
	maybeSpawnSpecialOres();
}
// Create new drones up to gameState.droneLevel
function updateDroneObjects() {
	while (droneObjects.length < gameState.droneLevel) {
		var d = new Drone();
		d.x = 200 + Math.random() * (2048 - 400);
		d.y = 200 + Math.random() * (2732 - 400);
		droneObjects.push(d);
		game.addChild(d);
	}
}
// Position drone sprites in the UI after upgrades (if desired)
function updateDroneSprites() {
	while (droneSprites.length < gameState.droneLevel) {
		var drone = LK.getAsset('drone_asset', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		drone.x = 100 + droneSprites.length * 90;
		drone.y = 200;
		droneSprites.push(drone);
		game.addChild(drone);
	}
}
// Standard helper function to spawn a cluster of a given ore type
function maybeSpawnCluster(type) {
	var typeList = ['coal', 'iron', 'gold', 'diamond', 'sapphire', 'emerald', 'ruby'];
	if (typeList.indexOf(type) >= 0) {
		var tIndex = typeList.indexOf(type) + 1;
		if (tIndex > gameState.currentTier) {
			return;
		}
	}
	if (gameState.clusterCount[type] >= gameState.maxClustersPerType) {
		return;
	}
	var cluster = new Cluster(type);
	game.addChild(cluster);
	clusters.push(cluster);
	gameState.clusterCount[type]++;
}
// Attempt to spawn special ores if prestige level is high enough
function maybeSpawnSpecialOres() {
	var spawnChances = [];
	if (gameState.prestigeCount >= 3) {
		spawnChances.push({
			type: 'chronostone',
			min: 3,
			max: 5
		});
	}
	if (gameState.prestigeCount >= 5) {
		spawnChances.push({
			type: 'soulember',
			min: 1.5,
			max: 2.5
		});
	}
	if (gameState.prestigeCount >= 8) {
		spawnChances.push({
			type: 'quantumshard',
			min: 0.8,
			max: 1.2
		});
	}
	if (spawnChances.length === 0) {
		return;
	}
	var standardTypes = ['coal', 'iron', 'gold', 'diamond', 'sapphire', 'emerald', 'ruby'];
	standardTypes.forEach(function (type) {
		if (gameState.clusterCount[type] < gameState.maxClustersPerType) {
			for (var i = 0; i < spawnChances.length; i++) {
				var chanceObj = spawnChances[i];
				var chance = randomInt(chanceObj.min * 10, chanceObj.max * 10) / 10;
				var roll = Math.random() * 100;
				if (roll < chance) {
					if (gameState.clusterCount[chanceObj.type] < gameState.maxClustersPerType) {
						maybeSpawnCluster(chanceObj.type);
					}
				}
			}
		}
	});
}
/**** 
* Drone DPS – standard and tick functions.
****/ 
function getDroneDPS() {
	return 10 * gameState.droneLevel;
}
function droneDamageTick() {
	var dps = getDroneDPS();
	if (dps <= 0) {
		return;
	}
	var allValidOres = [];
	clusters.forEach(function (c) {
		c.oreList.forEach(function (ore) {
			if (ore.health > 0 && ore.tier <= gameState.currentTier) {
				allValidOres.push(ore);
			}
		});
	});
	if (allValidOres.length === 0) {
		return;
	}
	var damageRemaining = dps;
	while (damageRemaining > 0 && allValidOres.length > 0) {
		var randomIndex = Math.floor(Math.random() * allValidOres.length);
		var ore = allValidOres[randomIndex];
		var chunk = Math.min(damageRemaining, 10);
		ore.health -= chunk;
		damageRemaining -= chunk;
		if (ore.health <= 0) {
			var baseValue = ore.getValue();
			gameState.money += baseValue;
			updateUI();
			ore.cluster.notifyOreDestroyed(ore);
			spawnMiningParticles(ore, 5);
			allValidOres.splice(randomIndex, 1);
		}
	}
}
/**** 
* UPGRADE DATA
****/ 
var oreUpgrades = {
	coal: [{
		id: 'double_coal',
		name: 'Double Coal Value',
		cost: 100,
		multi: true,
		level: 0,
		effect: 'Doubles Coal Value each purchase',
		action: function action() {
			this.level++;
			gameState.oreMultipliers.coal *= 2;
			this.cost *= 2;
		}
	}],
	iron: [{
		id: 'unlock_iron',
		name: 'Unlock Iron Mining',
		cost: 500,
		effect: 'Allows iron ore clusters to spawn',
		purchased: false,
		action: function action() {
			if (gameState.currentTier < 2) {
				gameState.currentTier = 2;
			}
			for (var i = 0; i < gameState.maxClustersPerType; i++) {
				maybeSpawnCluster('iron');
			}
		}
	}, {
		id: 'double_iron',
		name: 'Double Iron Value',
		cost: 1000,
		multi: true,
		level: 0,
		effect: 'Doubles Iron Value each purchase',
		action: function action() {
			this.level++;
			gameState.oreMultipliers.iron *= 2;
			this.cost *= 2;
		}
	}],
	gold: [{
		id: 'unlock_gold',
		name: 'Unlock Gold Mining',
		cost: 5000,
		effect: 'Allows gold ore clusters to spawn',
		purchased: false,
		action: function action() {
			if (gameState.currentTier < 3) {
				gameState.currentTier = 3;
			}
			for (var i = 0; i < gameState.maxClustersPerType; i++) {
				maybeSpawnCluster('gold');
			}
		}
	}, {
		id: 'double_gold',
		name: 'Double Gold Value',
		cost: 20000,
		multi: true,
		level: 0,
		effect: 'Doubles Gold Value each purchase',
		action: function action() {
			this.level++;
			gameState.oreMultipliers.gold *= 2;
			this.cost *= 2;
		}
	}],
	diamond: [{
		id: 'unlock_diamond',
		name: 'Unlock Diamond Mining',
		cost: 20000,
		effect: 'Allows diamond ore clusters to spawn',
		purchased: false,
		action: function action() {
			if (gameState.currentTier < 4) {
				gameState.currentTier = 4;
			}
			for (var i = 0; i < gameState.maxClustersPerType; i++) {
				maybeSpawnCluster('diamond');
			}
		}
	}, {
		id: 'double_diamond',
		name: 'Double Diamond Value',
		cost: 50000,
		multi: true,
		level: 0,
		effect: 'Doubles Diamond Value each purchase',
		action: function action() {
			this.level++;
			gameState.oreMultipliers.diamond *= 2;
			this.cost *= 2;
		}
	}],
	sapphire: [{
		id: 'unlock_sapphire',
		name: 'Unlock Sapphire Mining',
		cost: 100000,
		effect: 'Allows sapphire ore clusters to spawn',
		purchased: false,
		action: function action() {
			if (gameState.currentTier < 5) {
				gameState.currentTier = 5;
			}
			for (var i = 0; i < gameState.maxClustersPerType; i++) {
				maybeSpawnCluster('sapphire');
			}
		}
	}, {
		id: 'double_sapphire',
		name: 'Double Sapphire Value',
		cost: 200000,
		multi: true,
		level: 0,
		effect: 'Doubles Sapphire Value each purchase',
		action: function action() {
			this.level++;
			gameState.oreMultipliers.sapphire *= 2;
			this.cost *= 2;
		}
	}],
	emerald: [{
		id: 'unlock_emerald',
		name: 'Unlock Emerald Mining',
		cost: 500000,
		effect: 'Allows emerald ore clusters to spawn',
		purchased: false,
		action: function action() {
			if (gameState.currentTier < 6) {
				gameState.currentTier = 6;
			}
			for (var i = 0; i < gameState.maxClustersPerType; i++) {
				maybeSpawnCluster('emerald');
			}
		}
	}, {
		id: 'double_emerald',
		name: 'Double Emerald Value',
		cost: 1000000,
		multi: true,
		level: 0,
		effect: 'Doubles Emerald Value each purchase',
		action: function action() {
			this.level++;
			gameState.oreMultipliers.emerald *= 2;
			this.cost *= 2;
		}
	}],
	ruby: [{
		id: 'unlock_ruby',
		name: 'Unlock Ruby Mining',
		cost: 1000000,
		effect: 'Allows ruby ore clusters to spawn',
		purchased: false,
		action: function action() {
			if (gameState.currentTier < 7) {
				gameState.currentTier = 7;
			}
			for (var i = 0; i < gameState.maxClustersPerType; i++) {
				maybeSpawnCluster('ruby');
			}
		}
	}, {
		id: 'double_ruby',
		name: 'Double Ruby Value',
		cost: 2000000,
		multi: true,
		level: 0,
		effect: 'Doubles Ruby Value each purchase',
		action: function action() {
			this.level++;
			gameState.oreMultipliers.ruby *= 2;
			this.cost *= 2;
		}
	}]
};
var generalUpgrades = [{
	id: 'faster_respawn',
	name: 'Quicker Respawn',
	cost: 8000,
	effect: 'Halves respawn time (min 500 ms)',
	purchased: false,
	action: function action() {
		gameState.respawnTime = Math.max(500, gameState.respawnTime / 2);
	}
}, {
	id: 'cluster_up',
	name: 'Cluster Growth',
	cost: 1000,
	effect: 'Increases cluster size range',
	purchased: false,
	action: function action() {
		if (gameState.clusterUpgradeTier < gameState.clusterConfigLevels.length - 1) {
			gameState.clusterUpgradeTier++;
		}
		this.cost += 2000;
	}
}, {
	id: 'pickaxe_buff',
	name: 'Pickaxe DMG +20%',
	cost: 20000,
	effect: 'Increases your total pickaxe damage by 20%',
	purchased: false,
	multi: true,
	level: 0,
	action: function action() {
		this.level++;
		gameState.pickaxeBaseMultiplier *= 1.2;
		this.cost = Math.floor(this.cost * 2);
	}
}];
// Prestige shop upgrades for pickaxe artifacts
var prestigeUpgrades = [{
	id: 'pickaxe_plus_1',
	name: 'Pickaxe Level +1',
	cost: 5,
	effect: 'Increases pickaxe damage by 1',
	purchased: false,
	action: function action() {
		gameState.pickaxeLevel++;
	}
}, {
	id: 'pickaxe_plus_2',
	name: 'Pickaxe Speed +10%',
	cost: 8,
	effect: 'Reduces mining cooldown by 10%',
	purchased: false,
	action: function action() {
		miner.miningRate = Math.floor(miner.miningRate * 0.90);
		if (miner.miningRate < 1) {
			miner.miningRate = 1;
		}
	}
}, {
	id: 'pickaxe_plus_3',
	name: 'Pickaxe Bonus DMG +2',
	cost: 10,
	effect: 'Increases pickaxe damage by an additional 2',
	purchased: false,
	action: function action() {
		gameState.pickaxeLevel += 2;
	}
}];
// Prestige shop upgrades for drones
var prestigeDrones = [{
	id: 'drone_speedup',
	name: 'Drone Technology +1',
	cost: 10,
	effect: 'Increases Drone DPS by 50',
	purchased: false,
	action: function action() {
		if (!gameState.droneLevel) {
			gameState.droneLevel = 0;
		}
		gameState.droneLevel += 5;
	}
}];
// Standard drone upgrades
var droneUpgrades = [{
	id: 'drone_level_1',
	name: 'Buy Drones (Lv +1)',
	cost: 5000,
	effect: 'Each level adds +10 DPS',
	purchased: false,
	multi: true,
	level: 0,
	action: function action() {
		if (!gameState.droneLevel) {
			gameState.droneLevel = 0;
		}
		gameState.droneLevel++;
		this.level++;
		this.cost = Math.floor(this.cost * 1.5);
		updateDroneObjects();
	}
}];
/**** 
* UI
****/ 
var upgradeMenu = new Container();
var tooltip = new Text2('', {
	size: 40,
	fill: 0xFFFFFF
});
game.addChild(tooltip);
var moneyDisplay = new Text2('$0', {
	size: 80,
	fill: 0xFFFFFF,
	fontWeight: 'bold',
	stroke: 0x000000,
	strokeThickness: 5
});
moneyDisplay.x = 2048 / 2 - moneyDisplay.width / 2;
moneyDisplay.y = 50;
game.addChild(moneyDisplay);
var prestigeDisplay = new Text2('Prestige: 0', {
	size: 50,
	fill: 0xFFFFFF,
	fontWeight: 'bold',
	stroke: 0x000000,
	strokeThickness: 4
});
prestigeDisplay.x = 50;
prestigeDisplay.y = 50;
game.addChild(prestigeDisplay);
var shopOpenButton = LK.getAsset('shop_icon', {
	anchorX: 0.5,
	anchorY: 0.5
});
shopOpenButton.x = 2048 - 150;
shopOpenButton.y = 2732 - 150;
shopOpenButton.down = function () {
	createMainUpgradeMenu();
	game.addChild(upgradeMenu);
};
game.addChild(shopOpenButton);
var prestigeShopButton = LK.getAsset('prestige_shop_icon', {
	anchorX: 0.5,
	anchorY: 0.5
});
prestigeShopButton.x = 150;
prestigeShopButton.y = 2732 - 150;
prestigeShopButton.down = function () {
	if (canPrestige()) {
		doPrestige();
	} else {
		createPrestigeShopMenu();
		game.addChild(upgradeMenu);
	}
};
game.addChild(prestigeShopButton);
var addMoneyButton = LK.getAsset('buy_button', {
	anchorX: 0.5,
	anchorY: 0.5
});
addMoneyButton.x = 200;
addMoneyButton.y = 2732 - 300;
addMoneyButton.down = function () {
	gameState.money += 5000000000;
	updateUI();
};
game.addChild(addMoneyButton);
function createMainUpgradeMenu() {
	upgradeMenu.removeChildren();
	subUpgradeItemRefs = [];
	var menuBg = LK.getAsset('rectangle', {
		width: 1800,
		height: 2200,
		color: 0x2a2a2a,
		anchorX: 0.5,
		anchorY: 0.5
	});
	menuBg.x = 2048 / 2;
	menuBg.y = 2732 / 2 + 50;
	upgradeMenu.addChild(menuBg);
	var categories = [{
		name: 'Coal Upgrades',
		yOff: -800,
		type: 'coal'
	}, {
		name: 'Iron Upgrades',
		yOff: -600,
		type: 'iron'
	}, {
		name: 'Gold Upgrades',
		yOff: -400,
		type: 'gold'
	}, {
		name: 'Diamond Upgrades',
		yOff: -200,
		type: 'diamond'
	}, {
		name: 'Sapphire Upgrades',
		yOff: 0,
		type: 'sapphire'
	}, {
		name: 'Emerald Upgrades',
		yOff: 200,
		type: 'emerald'
	}, {
		name: 'Ruby Upgrades',
		yOff: 400,
		type: 'ruby'
	}, {
		name: 'General Upgrades',
		yOff: 600,
		type: 'general'
	}, {
		name: 'Drones',
		yOff: 800,
		type: 'drones'
	}];
	categories.forEach(function (cat) {
		var btn = LK.getAsset('buy_button', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		btn.x = menuBg.x;
		btn.y = menuBg.y + cat.yOff;
		upgradeMenu.addChild(btn);
		var txt = new Text2(cat.name, {
			size: 50,
			fill: 0x000000,
			align: 'center'
		});
		txt.anchor.set(0.5);
		txt.x = btn.x;
		txt.y = btn.y;
		upgradeMenu.addChild(txt);
		btn.down = function () {
			if (cat.type === 'general') {
				createSubUpgradeMenu('General Upgrades', generalUpgrades);
			} else if (cat.type === 'drones') {
				createSubUpgradeMenu('Drone Upgrades', droneUpgrades);
			} else {
				createSubUpgradeMenu(cat.name, oreUpgrades[cat.type]);
			}
		};
	});
	var closeBtn = LK.getAsset('cancelButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	closeBtn.x = menuBg.x + 700;
	closeBtn.y = menuBg.y - 900;
	closeBtn.down = function () {
		game.removeChild(upgradeMenu);
	};
	upgradeMenu.addChild(closeBtn);
}
var subUpgradeItemRefs = [];
function createSubUpgradeMenu(title, upgList) {
	upgradeMenu.removeChildren();
	subUpgradeItemRefs = [];
	var menuBg = LK.getAsset('rectangle', {
		width: 1800,
		height: 2200,
		color: 0x2a2a2a,
		anchorX: 0.5,
		anchorY: 0.5
	});
	menuBg.x = 2048 / 2;
	menuBg.y = 2732 / 2 + 50;
	upgradeMenu.addChild(menuBg);
	var titleText = new Text2(title, {
		size: 60,
		fill: 0xFFFFFF,
		align: 'center'
	});
	titleText.anchor.set(0.5);
	titleText.x = menuBg.x;
	titleText.y = menuBg.y - 1000;
	upgradeMenu.addChild(titleText);
	var startY = menuBg.y - 800;
	upgList.forEach(function (upg, i) {
		var itemContainer = new Container();
		upgradeMenu.addChild(itemContainer);
		var btn = LK.getAsset('buy_button', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		btn.x = menuBg.x;
		btn.y = startY + i * 250;
		itemContainer.addChild(btn);
		var displayName = upg.name;
		if (typeof upg.level === 'number' && upg.level > 0) {
			displayName += " (Lv " + upg.level + ")";
		}
		var costStr = upg.multi ? "$" + upg.cost : "$" + upg.cost;
		var txtStr = displayName + "\n" + upg.effect + "\n" + costStr;
		var txt = new Text2(txtStr, {
			size: 40,
			fill: 0x666666,
			align: 'center'
		});
		txt.anchor.set(0.5);
		txt.x = btn.x;
		txt.y = btn.y;
		itemContainer.addChild(txt);
		btn.down = function () {
			if (canPurchaseUpgrade(upgList, upg)) {
				gameState.money -= upg.cost;
				upg.purchased = true;
				upg.action();
				updateUI();
				createSubUpgradeMenu(title, upgList);
			}
		};
		subUpgradeItemRefs.push({
			upgList: upgList,
			upgrade: upg,
			textObj: txt
		});
	});
	var backBtn = LK.getAsset('cancelButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	backBtn.x = menuBg.x + 700;
	backBtn.y = menuBg.y - 1000;
	backBtn.down = function () {
		createMainUpgradeMenu();
	};
	upgradeMenu.addChild(backBtn);
}
function canPurchaseUpgrade(upgList, upg) {
	if (upg.requires) {
		var needed = upgList.find(function (u) {
			return u.id === upg.requires;
		});
		if (!needed || !needed.purchased) {
			return false;
		}
	}
	if (!upg.multi && upg.purchased) {
		return false;
	}
	if (gameState.money < upg.cost) {
		return false;
	}
	return true;
}
// Prestige Shop Menu
function createPrestigeShopMenu() {
	upgradeMenu.removeChildren();
	var menuBg = LK.getAsset('rectangle', {
		width: 1800,
		height: 2200,
		color: 0x2a2a2a,
		anchorX: 0.5,
		anchorY: 0.5
	});
	menuBg.x = 2048 / 2;
	menuBg.y = 2732 / 2 + 50;
	upgradeMenu.addChild(menuBg);
	var titleText = new Text2('Prestige Shop', {
		size: 60,
		fill: 0xFFFFFF,
		align: 'center'
	});
	titleText.anchor.set(0.5);
	titleText.x = menuBg.x;
	titleText.y = menuBg.y - 1000;
	upgradeMenu.addChild(titleText);
	var shardText = new Text2('Prestige Shards: ' + gameState.prestigeCurrency, {
		size: 50,
		fill: 0xFFFF00,
		align: 'center'
	});
	shardText.anchor.set(0.5);
	shardText.x = menuBg.x;
	shardText.y = menuBg.y - 900;
	upgradeMenu.addChild(shardText);
	var combinedUpgrades = prestigeUpgrades.concat(prestigeDrones);
	var startY = menuBg.y - 700;
	combinedUpgrades.forEach(function (upg, i) {
		var itemContainer = new Container();
		upgradeMenu.addChild(itemContainer);
		var btn = LK.getAsset('buy_button', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		btn.x = menuBg.x;
		btn.y = startY + i * 250;
		itemContainer.addChild(btn);
		var txtStr = upg.name + "\n" + upg.effect + "\nCost: " + upg.cost + " Shards";
		var txt = new Text2(txtStr, {
			size: 40,
			fill: 0x666666,
			align: 'center'
		});
		txt.anchor.set(0.5);
		txt.x = btn.x;
		txt.y = btn.y;
		itemContainer.addChild(txt);
		btn.down = function () {
			if (gameState.prestigeCurrency >= upg.cost) {
				gameState.prestigeCurrency -= upg.cost;
				upg.action();
				updateUI();
				createPrestigeShopMenu();
			}
		};
	});
	var backBtn = LK.getAsset('cancelButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	backBtn.x = menuBg.x + 700;
	backBtn.y = menuBg.y - 1000;
	backBtn.down = function () {
		game.removeChild(upgradeMenu);
	};
	upgradeMenu.addChild(backBtn);
}
/**** 
* GAME LOOP
****/ 
var quantumSelectTimer = 0;
var quantumSelectionActive = false;
game.update = function () {
	if (miner) {
		miner.update();
	}
	for (var i = 0; i < droneObjects.length; i++) {
		droneObjects[i].updateDrone();
	}
	if (typeof LK.time !== 'undefined' && LK.time.elapsed % 60 === 0) {
		droneDamageTick();
	}
	clusters.forEach(function (cluster) {
		cluster.oreList.forEach(function (ore) {
			if (ore.health > 0) {
				var fraction = ore.health / ore.maxHealth;
				ore.healthBar.width = 120 * fraction;
				ore.healthBar.fill = interpolateColor(0xFF0000, 0x00FF00, fraction);
				ore.alpha = fraction;
			}
		});
	});
	if (upgradeMenu.parent) {
		subUpgradeItemRefs.forEach(function (ref) {
			var upg = ref.upgrade;
			var canBuy = canPurchaseUpgrade(ref.upgList, upg);
			if (ref.textObj && ref.textObj.style) {
				ref.textObj.style.fill = canBuy ? 0xFFFFFF : 0x666666;
			}
		});
	}
	if (quantumSelectionActive) {
		quantumSelectTimer++;
		if (quantumSelectTimer > 15 * 60) {
			quantumSelectionActive = false;
			miner.quantumPathActive = false;
		}
	}
	// Achievement check:
	achievements.forEach(function (ach) {
		if (!ach.achieved && ach.condition()) {
			ach.achieved = true;
			var achText = new Text2("Achievement Unlocked: " + ach.name, {
				size: 40,
				fill: 0xFFFF00
			});
			achText.x = 2048 / 2;
			achText.y = 100;
			game.addChild(achText);
			tween(achText, {
				alpha: 0
			}, {
				duration: 2000,
				onFinish: function onFinish() {
					achText.destroy();
				}
			});
		}
	});
};
/**** 
* UI REFRESH & SAVE/LOAD
****/ 
function updateUI() {
	moneyDisplay.setText("$" + Math.floor(gameState.money).toLocaleString());
	moneyDisplay.x = 2048 / 2 - moneyDisplay.width / 2;
	prestigeDisplay.setText("Prestige: " + gameState.prestigeCount);
}
LK.saveGame = function () {
	return gameState;
};
LK.loadGame = function (data) {
	gameState = data;
	updateUI();
};
/**** 
* START GAME
****/ 
function startGame() {
	currentBackground = LK.getAsset('background', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	currentBackground.x = 2048 / 2;
	currentBackground.y = 2732 / 2;
	game.addChildAt(currentBackground, 0);
	miner = new Miner();
	miner.x = 2048 / 2;
	miner.y = 2732 / 2;
	game.addChild(miner);
	initialSpawn();
	updateUI();
}
startGame();
game.pauseForQuantumSelection = function () {
	quantumSelectionActive = true;
	quantumSelectTimer = 0;
	// (Stub: Darken screen and highlight ores if desired)
};

===================================================================
--- original.js
+++ change.js
@@ -5,24 +5,25 @@
 
 /**** 
 * Classes
 ****/ 
+/**** 
+* CLASSES
+****/ 
 /** 
-* Cluster spawns multiple Ore objects of a given type.
+* Cluster – spawns multiple Ore objects of a given type.
 */ 
 var Cluster = Container.expand(function (type) {
 	var self = Container.call(this);
 	self.type = type;
 	self.oreList = [];
-	// Random center
+	// Random center position
 	var centerX = 100 + Math.random() * (2048 - 200);
 	var centerY = 100 + Math.random() * (2732 - 200);
 	self.x = centerX;
 	self.y = centerY;
-	// Decide how many ore in this cluster
 	var cc = gameState.clusterConfig;
 	var count = randomInt(cc.min, cc.max);
-	// Create ore
 	for (var i = 0; i < count; i++) {
 		var ore = new Ore(type, self);
 		ore.x = (Math.random() - 0.5) * 120;
 		ore.y = (Math.random() - 0.5) * 120;
@@ -34,9 +35,8 @@
 		if (idx >= 0) {
 			self.oreList.splice(idx, 1);
 		}
 		ore.destroy();
-		// If all gone => remove cluster
 		if (self.oreList.length === 0) {
 			if (self.parent) {
 				self.parent.removeChild(self);
 			}
@@ -44,62 +44,66 @@
 			if (cidx >= 0) {
 				clusters.splice(cidx, 1);
 			}
 			gameState.clusterCount[type]--;
-			// Wait respawnTime, then spawn new cluster
 			var finalDelay = gameState.respawnTime;
 			if (type === 'coal') {
-				finalDelay *= 2; // slow for coal
+				finalDelay *= 2;
 			}
 			LK.setTimeout(function () {
 				maybeSpawnCluster(type);
 			}, finalDelay);
 		}
 	};
 	return self;
 });
+/** 
+* Drone – moves around and zaps nearby ores.
+* (Added slight random deviation for natural movement.)
+*/ 
 var Drone = Container.expand(function () {
 	var self = Container.call(this);
-	// Drone sprite
 	self.droneSprite = LK.getAsset('drone_asset', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
 	self.addChild(self.droneSprite);
-	// Movement constants
-	var SPEED = 8; // Moves faster diagonally
-	var MIN_X = 50; // Left boundary
-	var MAX_X = 2000; // Right boundary (adjust for your stage width)
-	var MIN_Y = 50; // Top boundary
-	var MAX_Y = 2682; // Bottom boundary (adjust for your stage height)
-	// Initial random direction
+	var SPEED = 8;
+	var MIN_X = 50,
+		MAX_X = 2000,
+		MIN_Y = 50,
+		MAX_Y = 2682;
 	self.vx = Math.random() < 0.5 ? SPEED : -SPEED;
 	self.vy = Math.random() < 0.5 ? SPEED : -SPEED;
-	// AoE stats
 	self.AOE_RANGE = 100;
-	self.droneDamage = 2; // Per zap
-	self.COOLDOWN_MAX = 60; // ~1 second at 60fps
+	self.droneDamage = 2;
+	self.COOLDOWN_MAX = 60;
 	self.cooldown = 0;
-	// Each frame, move & bounce
 	self.updateDrone = function () {
-		// Move
 		self.x += self.vx;
 		self.y += self.vy;
-		// Bounce off boundaries
 		if (self.x < MIN_X || self.x > MAX_X) {
 			self.vx = -self.vx;
 		}
 		if (self.y < MIN_Y || self.y > MAX_Y) {
 			self.vy = -self.vy;
 		}
-		// AoE zap if off cooldown
+		// Random slight deviation
+		if (Math.random() < 0.01) {
+			self.vx += (Math.random() - 0.5) * 2;
+			self.vy += (Math.random() - 0.5) * 2;
+			var speed = Math.sqrt(self.vx * self.vx + self.vy * self.vy);
+			if (speed > SPEED) {
+				self.vx = self.vx / speed * SPEED;
+				self.vy = self.vy / speed * SPEED;
+			}
+		}
 		if (self.cooldown > 0) {
 			self.cooldown--;
 		} else {
 			self.tryZap();
 		}
 	};
-	// AoE attack: damage ores within AOE_RANGE
 	self.tryZap = function () {
 		var hitSomething = false;
 		clusters.forEach(function (cluster) {
 			cluster.oreList.forEach(function (ore) {
@@ -109,12 +113,10 @@
 					var dx = self.x - oreGlobalX;
 					var dy = self.y - oreGlobalY;
 					var dist = Math.sqrt(dx * dx + dy * dy);
 					if (dist < self.AOE_RANGE) {
-						// Deal damage
 						ore.health -= self.droneDamage;
 						hitSomething = true;
-						// If killed the ore
 						if (ore.health <= 0) {
 							var baseValue = ore.getValue();
 							gameState.money += baseValue;
 							updateUI();
@@ -124,17 +126,18 @@
 					}
 				}
 			});
 		});
-		// If we zapped anything, trigger cooldown
 		if (hitSomething) {
 			self.cooldown = self.COOLDOWN_MAX;
 		}
 	};
 	return self;
 });
 /** 
-* Miner moves to the closest valid ore and mines it.
+* Miner – moves to and mines the nearest ore.
+* (Includes Chronostone speed boost, Soul Ember value boost, Quantum Shard chain mode,
+* and the new Hyper Mining Mode.)
 */ 
 var Miner = Container.expand(function () {
 	var self = Container.call(this);
 	self.attachAsset('miner', {
@@ -144,30 +147,38 @@
 	self.speed = 5;
 	self.currentTarget = null;
 	self.miningRange = 25;
 	self.miningCooldown = 0;
-	self.miningRate = 30; // frames per "hit"
+	self.miningRate = 30;
 	self.miningDamage = 1;
-	// For the Chronostone speed boost
-	self.speedBoostMultiplier = 1; // accumulative if multiple boosts occur
-	self.speedBoostTimer = 0; // frames left
-	// For the Soul Ember 500% value boost (for next 10 ores)
-	self.soulEmberStacks = 0; // how many empowered hits remain
-	// For the Quantum Shard pathing system
+	// Save original values for hyper mode resets:
+	self.originalMiningRate = self.miningRate;
+	self.originalMiningDamage = self.miningDamage;
+	// Chronostone boost
+	self.speedBoostMultiplier = 1;
+	self.speedBoostTimer = 0;
+	// Soul Ember boost
+	self.soulEmberStacks = 0;
+	// Quantum Shard
 	self.quantumPathActive = false;
 	self.quantumPath = [];
-	self.quantumShardValueBonus = false; // 50% bonus if path completed
+	self.quantumShardValueBonus = false;
+	// New Hyper Mining Mode
+	self.hyperMiningActive = false;
+	self.hyperMiningTimer = 0;
+	self.activateHyperMining = function () {
+		self.hyperMiningActive = true;
+		self.hyperMiningTimer = 10 * 60; // 10 seconds at 60fps
+		self.miningDamage *= 2;
+		self.miningRate = Math.max(1, Math.floor(self.miningRate / 2));
+	};
 	self.findNewTarget = function () {
 		if (self.quantumPathActive && self.quantumPath.length > 0) {
-			// If quantum path is active and we have a queued path, pick the next ore
 			self.currentTarget = self.quantumPath[0];
-			// If that ore is destroyed or invalid, remove it and find again
 			if (!self.currentTarget || self.currentTarget.health <= 0) {
 				self.quantumPath.shift();
 				if (self.quantumPath.length === 0) {
-					// finished the path
 					if (self.quantumShardValueBonus) {
-						// maybe notify user or something
 						self.quantumShardValueBonus = false;
 					}
 					self.quantumPathActive = false;
 					self.currentTarget = null;
@@ -175,9 +186,8 @@
 				return;
 			}
 			return;
 		}
-		// Normal search
 		var validOre = [];
 		clusters.forEach(function (c) {
 			c.oreList.forEach(function (ore) {
 				if (ore.health > 0 && ore.tier <= gameState.currentTier) {
@@ -188,34 +198,37 @@
 		if (validOre.length === 0) {
 			self.currentTarget = null;
 			return;
 		}
-		// Sort by distance
 		self.currentTarget = validOre.sort(function (a, b) {
-			var aX = a.parent.x + a.x;
-			var aY = a.parent.y + a.y;
-			var bX = b.parent.x + b.x;
-			var bY = b.parent.y + b.y;
-			var distA = Math.hypot(aX - self.x, aY - self.y);
-			var distB = Math.hypot(bX - self.x, bY - self.y);
-			return distA - distB;
+			var aX = a.parent.x + a.x,
+				aY = a.parent.y + a.y;
+			var bX = b.parent.x + b.x,
+				bY = b.parent.y + b.y;
+			return Math.hypot(aX - self.x, aY - self.y) - Math.hypot(bX - self.x, bY - self.y);
 		})[0];
 	};
 	self.update = function () {
-		// Decay speed boost if active
+		if (self.hyperMiningActive) {
+			self.hyperMiningTimer--;
+			if (self.hyperMiningTimer <= 0) {
+				self.miningDamage = self.originalMiningDamage;
+				self.miningRate = self.originalMiningRate;
+				self.hyperMiningActive = false;
+			}
+		}
 		if (self.speedBoostTimer > 0) {
 			self.speedBoostTimer--;
 			if (self.speedBoostTimer <= 0) {
-				// reset
 				self.speedBoostMultiplier = 1;
 			}
 		}
 		self.findNewTarget();
 		if (self.currentTarget) {
 			var tx = self.currentTarget.parent.x + self.currentTarget.x;
 			var ty = self.currentTarget.parent.y + self.currentTarget.y;
-			var dx = tx - self.x;
-			var dy = ty - self.y;
+			var dx = tx - self.x,
+				dy = ty - self.y;
 			var dist = Math.sqrt(dx * dx + dy * dy);
 			var finalSpeed = self.speed * self.speedBoostMultiplier;
 			if (dist > self.miningRange) {
 				self.x += dx / dist * finalSpeed;
@@ -223,9 +236,8 @@
 			} else {
 				self.mineOre(self.currentTarget);
 			}
 		} else {
-			// idle float
 			if (typeof LK.time !== 'undefined') {
 				self.y += Math.sin(LK.time.elapsed / 250) * 0.5;
 			}
 		}
@@ -234,92 +246,79 @@
 		if (self.miningCooldown > 0) {
 			self.miningCooldown--;
 			return;
 		}
-		// If quantum path is in effect, once we mine this target, remove it from path
 		if (self.quantumPathActive && self.quantumPath.length > 0 && self.quantumPath[0] === ore) {
 			self.quantumPath.shift();
 			if (self.quantumPath.length === 0) {
-				// done
-				if (self.quantumShardValueBonus) {
-					// 50% extra money for the chain.
-					// We'll just handle that by applying the multiplier below
-				}
 				self.quantumPathActive = false;
 			}
 		}
 		var damageDealt = self.miningDamage * gameState.pickaxeLevel * (gameState.pickaxeBaseMultiplier || 1);
 		ore.health -= damageDealt;
-		self.miningCooldown = self.miningRate; // reset cooldown
+		self.miningCooldown = self.miningRate;
 		if (ore.health <= 0) {
 			var baseValue = ore.getValue();
 			var finalValue = baseValue;
-			// If soul ember effect is active, 500% value
 			if (self.soulEmberStacks > 0) {
-				finalValue *= 5; // 500%
+				finalValue *= 5;
 				self.soulEmberStacks--;
 			}
-			// If quantum shard chain is active and we want a 50% bonus
 			if (self.quantumShardValueBonus) {
 				finalValue *= 1.5;
 			}
 			gameState.money += finalValue;
 			updateUI();
 			ore.cluster.notifyOreDestroyed(ore);
 			spawnMiningParticles(ore, 5);
+			// If ore is explosive, trigger chain reaction and screen shake.
+			if (ore.type === "explosive" && ore.explode) {
+				ore.explode();
+			}
 		} else {
 			spawnMiningParticles(ore, 2);
 		}
 	};
-	// Chronostone speed boost
+	// Boost functions
 	self.applyChronostoneBoost = function () {
-		self.speedBoostMultiplier *= 3; // +200% on top of current (300% total speed)
-		self.speedBoostTimer = 30 * 60; // 30 seconds at 60fps
+		self.speedBoostMultiplier *= 3;
+		self.speedBoostTimer = 30 * 60;
 	};
-	// Soul Ember effect
 	self.applySoulEmberBoost = function () {
-		// Drains 10% money, then next 10 ores are 500% value
-		// only if money >= 1e6
 		if (gameState.money >= 1e6) {
 			var drain = gameState.money * 0.10;
 			gameState.money -= drain;
 			self.soulEmberStacks = 10;
 			updateUI();
-		} // else do nothing (auto-decline)
+		}
 	};
-	// Quantum Shard effect
 	self.triggerQuantumShardMode = function () {
-		// Pause game? We can temporarily set a global var to freeze updates except for UI.
-		// But we'll do a simpler approach: set quantumPathActive = true, then let player choose 5 ores.
-		// Darken screen, highlight ores, let user pick up to 5.
-		// We'll store them in self.quantumPath.
-		// Implementation detail: We'll just simulate.
-		self.quantumShardValueBonus = true; // 50% bonus if completed chain
+		self.quantumShardValueBonus = true;
 		self.quantumPathActive = true;
 		self.quantumPath = [];
 		game.pauseForQuantumSelection();
 	};
 	return self;
 });
 /** 
-* A single ore object (7 possible types + new prestige ores).
+* Ore – represents a single ore object.
+* This version integrates the health bar, special ore glow, and explosive ore behavior.
 */ 
 var Ore = Container.expand(function (type, cluster) {
 	var self = Container.call(this);
 	self.type = type;
 	self.cluster = cluster;
-	// Determine tier based on order. We'll handle special prestige ores differently.
+	// Determine tier: standard ores get a tier 1-7, others (like special) are set high.
 	var typeList = ['coal', 'iron', 'gold', 'diamond', 'sapphire', 'emerald', 'ruby'];
 	if (typeList.indexOf(type) >= 0) {
 		self.tier = typeList.indexOf(type) + 1;
 	} else {
-		// For new special ores, we'll set tier super high so they appear only if we specifically spawn them.
 		self.tier = 999;
 	}
 	self.baseValue = oreData[type].baseValue;
 	self.maxHealth = oreData[type].baseHealth;
 	self.health = self.maxHealth;
-	// Attach sprite
+	// Attach sprite for the ore
 	self.attachAsset(oreData[type].assetId, {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
@@ -333,8 +332,63 @@
 	});
 	self.healthBar.x = 0;
 	self.healthBar.y = -70;
 	self.addChild(self.healthBar);
+	// For special ores, add a pulsing glow effect (if applicable)
+	if (["chronostone", "soulember", "quantumshard"].indexOf(type) >= 0) {
+		var _pulseGlow = function pulseGlow() {
+			tween(glow, {
+				alpha: 1
+			}, {
+				duration: 1000,
+				onFinish: function onFinish() {
+					tween(glow, {
+						alpha: 0.5
+					}, {
+						duration: 1000,
+						onFinish: _pulseGlow
+					});
+				}
+			});
+		};
+		var glow = LK.getAsset('glowing_line_asset', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		glow.alpha = 0.5;
+		self.addChildAt(glow, 0);
+		_pulseGlow();
+	}
+	// For explosive ore, add an explosion method
+	if (type === "explosive") {
+		self.explode = function () {
+			var explosionRadius = 100;
+			clusters.forEach(function (cluster) {
+				cluster.oreList.forEach(function (otherOre) {
+					if (otherOre !== self && otherOre.health > 0) {
+						var oreGlobalX = cluster.x + otherOre.x;
+						var oreGlobalY = cluster.y + otherOre.y;
+						var dx = self.parent.x + self.x - oreGlobalX;
+						var dy = self.parent.y + self.y - oreGlobalY;
+						var dist = Math.sqrt(dx * dx + dy * dy);
+						if (dist < explosionRadius) {
+							otherOre.health -= 50;
+							if (otherOre.health <= 0) {
+								var baseValue = otherOre.getValue();
+								gameState.money += baseValue;
+								updateUI();
+								otherOre.cluster.notifyOreDestroyed(otherOre);
+								spawnMiningParticles(otherOre, 5);
+							} else {
+								spawnMiningParticles(otherOre, 2);
+							}
+						}
+					}
+				});
+			});
+			screenShake(500, 10);
+		};
+	}
 	self.getValue = function () {
 		return self.baseValue * gameState.oreMultipliers[self.type];
 	};
 	return self;
@@ -343,89 +397,43 @@
 /**** 
 * Initialize Game
 ****/ 
 /**** 
-* HELPER FUNCTIONS
+* Game Initialization and Helper Functions
 ****/ 
-/**** 
-* The Game
-****/ 
 var game = new LK.Game({
 	backgroundColor: 0x1a1a1a
 });
 
 /**** 
 * Game Code
 ****/ 
-function initialSpawn() {
-	var allTypes = ['coal', 'iron', 'gold', 'diamond', 'sapphire', 'emerald', 'ruby'];
-	allTypes.forEach(function (type, idx) {
-		var t = idx + 1;
-		if (t <= gameState.currentTier) {
-			for (var i = 0; i < gameState.maxClustersPerType; i++) {
-				maybeSpawnCluster(type);
-			}
-		}
-	});
-	// also attempt special ore spawns
-	maybeSpawnSpecialOres();
-}
-var droneObjects = [];
-// A function to create new drones up to gameState.droneLevel
-function updateDroneObjects() {
-	// If we want exactly gameState.droneLevel drones:
-	while (droneObjects.length < gameState.droneLevel) {
-		var d = new Drone();
-		// position them randomly
-		d.x = 200 + Math.random() * (2048 - 400);
-		d.y = 200 + Math.random() * (2732 - 400);
-		droneObjects.push(d);
-		game.addChild(d);
-	}
-}
-// We'll track two backgrounds at a time for transitions
-// Below is the updated code for your Idle Mining game with the requested Prestige system, new ore mechanics, background transitions,
-// upgraded pickaxes, a prestige shop, and a separate drone system tab in the buy menu.
-// Original assets
-// New images for upgraded pickaxes
-// Image for the Prestige Shop
-// New backgrounds for deeper layers
-// Additional new special ores
+// Returns a random integer between min and max (inclusive)
 /**** 
-* HELPER FUNCTIONS
+* Helper Functions
 ****/ 
-var droneSprites = [];
-// After each drone upgrade purchase:
-function updateDroneSprites() {
-	// If we want exactly gameState.droneLevel drones on screen:
-	while (droneSprites.length < gameState.droneLevel) {
-		var drone = LK.getAsset('drone_asset', {
-			anchorX: 0.5,
-			anchorY: 0.5
-		});
-		// Position them in a fun way. For example, stack them near top-left:
-		drone.x = 100 + droneSprites.length * 90;
-		drone.y = 200;
-		droneSprites.push(drone);
-		game.addChild(drone);
-	}
-}
 function randomInt(min, max) {
 	return Math.floor(Math.random() * (max - min + 1)) + min;
 }
+// Enhanced mining particles – if ore is special, tint accordingly
 function spawnMiningParticles(ore, num) {
 	for (var i = 0; i < num; i++) {
 		var p = LK.getAsset('mining_particle', {
 			anchorX: 0.5,
 			anchorY: 0.5
 		});
+		// Position at ore's global coordinates
 		if (ore.parent) {
 			p.x = ore.parent.x + ore.x;
 			p.y = ore.parent.y + ore.y;
 		} else {
 			p.x = ore.x;
 			p.y = ore.y;
 		}
+		// If ore is special, try to tint the particle (if supported)
+		if (["chronostone", "soulember", "quantumshard"].indexOf(ore.type) >= 0) {
+			p.tint = oreData[ore.type].color || 0xffffff;
+		}
 		p.vx = (Math.random() - 0.5) * 10;
 		p.vy = (Math.random() - 0.5) * 10;
 		p.alpha = 1;
 		tween(p, {
@@ -439,8 +447,9 @@
 		});
 		game.addChild(p);
 	}
 }
+// Interpolates between two colors (used for health bars)
 function interpolateColor(c1, c2, f) {
 	var r1 = c1 >> 16 & 0xFF,
 		g1 = c1 >> 8 & 0xFF,
 		b1 = c1 & 0xFF;
@@ -451,83 +460,45 @@
 	var g = Math.round(g1 + f * (g2 - g1));
 	var b = Math.round(b1 + f * (b2 - b1));
 	return r << 16 | g << 8 | b;
 }
-function maybeSpawnCluster(type) {
-	var typeList = ['coal', 'iron', 'gold', 'diamond', 'sapphire', 'emerald', 'ruby'];
-	// If these special ores are requested, handle separately.
-	// We'll do normal cluster spawns for standard ore, with a chance to spawn special ores if conditions are met.
-	if (typeList.indexOf(type) >= 0) {
-		var tIndex = typeList.indexOf(type) + 1;
-		if (tIndex > gameState.currentTier) {
-			return;
+// Simple screen shake effect for explosions
+function screenShake(duration, magnitude) {
+	var originalX = game.x;
+	var originalY = game.y;
+	var shakeInterval = 50; // ms
+	var elapsed = 0;
+	var shake = setInterval(function () {
+		elapsed += shakeInterval;
+		game.x = originalX + (Math.random() - 0.5) * magnitude;
+		game.y = originalY + (Math.random() - 0.5) * magnitude;
+		if (elapsed >= duration) {
+			clearInterval(shake);
+			game.x = originalX;
+			game.y = originalY;
 		}
-	}
-	if (gameState.clusterCount[type] >= gameState.maxClustersPerType) {
-		return;
-	}
-	var cluster = new Cluster(type);
-	game.addChild(cluster);
-	clusters.push(cluster);
-	gameState.clusterCount[type]++;
+	}, shakeInterval);
 }
-// Attempt to spawn special ores if prestige level is high enough
-function maybeSpawnSpecialOres() {
-	// Chronostone => Prestige >= 3 => 3-5% chance per cluster
-	// Soul Ember => Prestige >= 5 => 1.5-2.5% chance
-	// Quantum Shard => Prestige >= 8 => 0.8-1.2%
-	var spawnChances = [];
-	if (gameState.prestigeCount >= 3) {
-		spawnChances.push({
-			type: 'chronostone',
-			min: 3,
-			max: 5
-		});
+// Achievement system – add more as needed
+var achievements = [{
+	id: 'first_mine',
+	name: 'First Mine',
+	description: 'Mine your first ore',
+	achieved: false,
+	condition: function condition() {
+		return gameState.money > 0;
 	}
-	if (gameState.prestigeCount >= 5) {
-		spawnChances.push({
-			type: 'soulember',
-			min: 1.5,
-			max: 2.5
-		});
+}, {
+	id: 'rich_miner',
+	name: 'Rich Miner',
+	description: 'Earn 1 Billion money',
+	achieved: false,
+	condition: function condition() {
+		return gameState.money >= 1e9;
 	}
-	if (gameState.prestigeCount >= 8) {
-		spawnChances.push({
-			type: 'quantumshard',
-			min: 0.8,
-			max: 1.2
-		});
-	}
-	if (spawnChances.length === 0) {
-		return;
-	}
-	// For each standard spawn, we have a chance to replace it with a special ore cluster
-	var standardTypes = ['coal', 'iron', 'gold', 'diamond', 'sapphire', 'emerald', 'ruby'];
-	standardTypes.forEach(function (type) {
-		if (gameState.clusterCount[type] < gameState.maxClustersPerType) {
-			// roll chance for each special ore type
-			for (var i = 0; i < spawnChances.length; i++) {
-				var chanceObj = spawnChances[i];
-				var chance = randomInt(chanceObj.min * 10, chanceObj.max * 10) / 10; // e.g. 3.1%
-				var roll = Math.random() * 100;
-				if (roll < chance) {
-					// spawn that special ore cluster
-					if (gameState.clusterCount[chanceObj.type] < gameState.maxClustersPerType) {
-						maybeSpawnCluster(chanceObj.type);
-					}
-				}
-			}
-		}
-	});
-}
-var currentBackground = null;
-var nextBackground = null;
-// miner instance
-var miner = null;
-// Keep references to each cluster container
-var clusters = [];
+}];
 /**** 
-* ORE DATA
+* Ore Data
 ****/ 
 var oreData = {
 	coal: {
 		baseValue: 5,
@@ -566,30 +537,31 @@
 	},
 	chronostone: {
 		baseValue: 2000000,
 		baseHealth: 2000,
-		assetId: 'chronostone_ore'
+		assetId: 'chronostone_ore',
+		color: 0xc997d8
 	},
 	soulember: {
 		baseValue: 5000000,
 		baseHealth: 5000,
-		assetId: 'soulember_ore'
+		assetId: 'soulember_ore',
+		color: 0xdef3e5
 	},
 	quantumshard: {
 		baseValue: 10000000,
 		baseHealth: 10000,
-		assetId: 'quantumshard_ore'
+		assetId: 'quantumshard_ore',
+		color: 0xa1bb12
 	}
 };
 /**** 
 * GAME STATE
 ****/ 
 var gameState = {
 	money: 0,
 	pickaxeLevel: 1,
-	// A new multiplier we can boost by a percentage
 	pickaxeBaseMultiplier: 1,
-	// For drones
 	droneLevel: 0,
 	currentTier: 1,
 	oreMultipliers: {
 		coal: 1,
@@ -641,66 +613,53 @@
 	prestigeCount: 0,
 	prestigeCurrency: 0
 };
 /**** 
-* HELPER FUNCTIONS FOR PRESTIGE
+* Helper Functions for Prestige & Background Transitions
 ****/ 
 function getPrestigeRequirement() {
-	// Example: Next prestige requires 1e12 * (10^(2*prestigeCount)) etc.
-	// We'll just do a simpler approach for demonstration.
-	var base = 1e12; // 1 trillion
-	var multiplier = Math.pow(1000, gameState.prestigeCount); // scale by 1000 each time
+	var base = 1e12;
+	var multiplier = Math.pow(1000, gameState.prestigeCount);
 	return base * multiplier;
 }
 function canPrestige() {
 	return gameState.money >= getPrestigeRequirement();
 }
 function calculatePrestigeShards() {
-	// example: 1 shard per 10x over threshold
 	var threshold = getPrestigeRequirement();
 	if (gameState.money < threshold) {
 		return 0;
 	}
 	var ratio = gameState.money / threshold;
-	var shards = Math.floor(Math.log10(ratio) * 2); // scale
+	var shards = Math.floor(Math.log10(ratio) * 2);
 	return Math.max(shards, 1);
 }
 function doPrestige() {
-	// Clear all clusters from screen
+	// Clear all clusters
 	for (var i = clusters.length - 1; i >= 0; i--) {
 		var c = clusters[i];
 		c.removeChildren();
 		if (c.parent) {
 			c.parent.removeChild(c);
 		}
 		clusters.splice(i, 1);
 	}
-	// Calculate shards, increment prestige count
 	var shards = calculatePrestigeShards();
 	gameState.prestigeCurrency += shards;
 	gameState.prestigeCount++;
-	// Reset progression but keep prestige shop items (pickaxe upgrades can remain partial or we can reset them if you want)
 	gameState.money = 0;
 	gameState.currentTier = 1;
-	// reset cluster counts
 	for (var key in gameState.clusterCount) {
 		gameState.clusterCount[key] = 0;
 	}
-	// background transition
 	handleBackgroundTransition();
-	// Re-initialize spawns
 	initialSpawn();
 	updateUI();
 }
-/**** 
-* BACKGROUND TRANSITION
-****/ 
 function handleBackgroundTransition() {
-	// If we have a next background that was in transition, remove it.
 	if (nextBackground && nextBackground.parent) {
 		nextBackground.parent.removeChild(nextBackground);
 	}
-	// We'll pick a background based on prestige tiers: 3,5,8
 	var newBg = null;
 	if (gameState.prestigeCount >= 8) {
 		newBg = LK.getAsset('background_tier8', {
 			anchorX: 0.5,
@@ -722,28 +681,25 @@
 			anchorY: 0.5
 		});
 	}
 	newBg.x = 2048 / 2;
-	newBg.y = 2732 + 2732 / 2; // start off-screen bottom
+	newBg.y = 2732 + 2732 / 2; // start off-screen (bottom)
 	game.addChild(newBg);
 	nextBackground = newBg;
 	var oldBg = currentBackground;
 	if (!oldBg) {
-		// If none, the old background is just the normal background.
 		oldBg = LK.getAsset('background', {
 			anchorX: 0.5,
 			anchorY: 0.5
 		});
 		oldBg.x = 2048 / 2;
 		oldBg.y = 2732 / 2;
 		game.addChildAt(oldBg, 0);
 	}
-	// If oldBg is the same as newBg, skip.
 	if (oldBg === newBg) {
 		currentBackground = newBg;
 		return;
 	}
-	// Move them upwards for 3 seconds to simulate descending
 	var dur = 3000;
 	tween(oldBg, {
 		y: oldBg.y - 2732
 	}, {
@@ -762,28 +718,122 @@
 			currentBackground = newBg;
 		}
 	});
 }
+var clusters = [];
+var currentBackground = null;
+var nextBackground = null;
+var miner = null;
+var droneObjects = [];
+var droneSprites = [];
+// Initial spawn of clusters for each ore type
+function initialSpawn() {
+	var allTypes = ['coal', 'iron', 'gold', 'diamond', 'sapphire', 'emerald', 'ruby'];
+	allTypes.forEach(function (type, idx) {
+		var t = idx + 1;
+		if (t <= gameState.currentTier) {
+			for (var i = 0; i < gameState.maxClustersPerType; i++) {
+				maybeSpawnCluster(type);
+			}
+		}
+	});
+	// Attempt to spawn special ores
+	maybeSpawnSpecialOres();
+}
+// Create new drones up to gameState.droneLevel
+function updateDroneObjects() {
+	while (droneObjects.length < gameState.droneLevel) {
+		var d = new Drone();
+		d.x = 200 + Math.random() * (2048 - 400);
+		d.y = 200 + Math.random() * (2732 - 400);
+		droneObjects.push(d);
+		game.addChild(d);
+	}
+}
+// Position drone sprites in the UI after upgrades (if desired)
+function updateDroneSprites() {
+	while (droneSprites.length < gameState.droneLevel) {
+		var drone = LK.getAsset('drone_asset', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		drone.x = 100 + droneSprites.length * 90;
+		drone.y = 200;
+		droneSprites.push(drone);
+		game.addChild(drone);
+	}
+}
+// Standard helper function to spawn a cluster of a given ore type
+function maybeSpawnCluster(type) {
+	var typeList = ['coal', 'iron', 'gold', 'diamond', 'sapphire', 'emerald', 'ruby'];
+	if (typeList.indexOf(type) >= 0) {
+		var tIndex = typeList.indexOf(type) + 1;
+		if (tIndex > gameState.currentTier) {
+			return;
+		}
+	}
+	if (gameState.clusterCount[type] >= gameState.maxClustersPerType) {
+		return;
+	}
+	var cluster = new Cluster(type);
+	game.addChild(cluster);
+	clusters.push(cluster);
+	gameState.clusterCount[type]++;
+}
+// Attempt to spawn special ores if prestige level is high enough
+function maybeSpawnSpecialOres() {
+	var spawnChances = [];
+	if (gameState.prestigeCount >= 3) {
+		spawnChances.push({
+			type: 'chronostone',
+			min: 3,
+			max: 5
+		});
+	}
+	if (gameState.prestigeCount >= 5) {
+		spawnChances.push({
+			type: 'soulember',
+			min: 1.5,
+			max: 2.5
+		});
+	}
+	if (gameState.prestigeCount >= 8) {
+		spawnChances.push({
+			type: 'quantumshard',
+			min: 0.8,
+			max: 1.2
+		});
+	}
+	if (spawnChances.length === 0) {
+		return;
+	}
+	var standardTypes = ['coal', 'iron', 'gold', 'diamond', 'sapphire', 'emerald', 'ruby'];
+	standardTypes.forEach(function (type) {
+		if (gameState.clusterCount[type] < gameState.maxClustersPerType) {
+			for (var i = 0; i < spawnChances.length; i++) {
+				var chanceObj = spawnChances[i];
+				var chance = randomInt(chanceObj.min * 10, chanceObj.max * 10) / 10;
+				var roll = Math.random() * 100;
+				if (roll < chance) {
+					if (gameState.clusterCount[chanceObj.type] < gameState.maxClustersPerType) {
+						maybeSpawnCluster(chanceObj.type);
+					}
+				}
+			}
+		}
+	});
+}
 /**** 
-* DRONES
+* Drone DPS – standard and tick functions.
 ****/ 
-// We'll add a new tab in the main buy menu for drones.
-// For simplicity, let's store a droneLevel in gameState and each level adds some base DPS.
-var droneDPS = 0; // We'll accumulate from drone upgrades.
 function getDroneDPS() {
-	// formula: each level adds some base DPS.
-	// e.g. 10 * droneLevel.
 	return 10 * gameState.droneLevel;
 }
 function droneDamageTick() {
-	// Let the drones deal damage over time.
-	// We'll do a simplified approach: find random valid ores and deal damage.
 	var dps = getDroneDPS();
 	if (dps <= 0) {
 		return;
 	}
-	// pick random ore or distribute among them.
-	var totalOreCount = 0;
 	var allValidOres = [];
 	clusters.forEach(function (c) {
 		c.oreList.forEach(function (ore) {
 			if (ore.health > 0 && ore.tier <= gameState.currentTier) {
@@ -793,18 +843,16 @@
 	});
 	if (allValidOres.length === 0) {
 		return;
 	}
-	// We'll just do total dps as damage distributed among some random ore.
 	var damageRemaining = dps;
 	while (damageRemaining > 0 && allValidOres.length > 0) {
 		var randomIndex = Math.floor(Math.random() * allValidOres.length);
 		var ore = allValidOres[randomIndex];
-		var chunk = Math.min(damageRemaining, 10); // deal in chunks
+		var chunk = Math.min(damageRemaining, 10);
 		ore.health -= chunk;
 		damageRemaining -= chunk;
 		if (ore.health <= 0) {
-			// kill ore
 			var baseValue = ore.getValue();
 			gameState.money += baseValue;
 			updateUI();
 			ore.cluster.notifyOreDestroyed(ore);
@@ -815,10 +863,8 @@
 }
 /**** 
 * UPGRADE DATA
 ****/ 
-// We'll add a tab for drones in main menu, with upgrades.
-// We'll also add a new prestige shop with artifacts.
 var oreUpgrades = {
 	coal: [{
 		id: 'double_coal',
 		name: 'Double Coal Value',
@@ -838,13 +884,11 @@
 		cost: 500,
 		effect: 'Allows iron ore clusters to spawn',
 		purchased: false,
 		action: function action() {
-			// Increase currentTier if needed
 			if (gameState.currentTier < 2) {
 				gameState.currentTier = 2;
 			}
-			// Immediately spawn some iron
 			for (var i = 0; i < gameState.maxClustersPerType; i++) {
 				maybeSpawnCluster('iron');
 			}
 		}
@@ -1027,15 +1071,13 @@
 	multi: true,
 	level: 0,
 	action: function action() {
 		this.level++;
-		// Multiply base damage by 1.2 each time
 		gameState.pickaxeBaseMultiplier *= 1.2;
-		// Increase cost for next purchase
 		this.cost = Math.floor(this.cost * 2);
 	}
 }];
-// new pickaxe upgrades (artifact axes) in the Prestige shop
+// Prestige shop upgrades for pickaxe artifacts
 var prestigeUpgrades = [{
 	id: 'pickaxe_plus_1',
 	name: 'Pickaxe Level +1',
 	cost: 5,
@@ -1064,12 +1106,10 @@
 	purchased: false,
 	action: function action() {
 		gameState.pickaxeLevel += 2;
 	}
-}
-// you can add more
-];
-// a separate list for artifact drones in prestige shop
+}];
+// Prestige shop upgrades for drones
 var prestigeDrones = [{
 	id: 'drone_speedup',
 	name: 'Drone Technology +1',
 	cost: 10,
@@ -1078,13 +1118,12 @@
 	action: function action() {
 		if (!gameState.droneLevel) {
 			gameState.droneLevel = 0;
 		}
-		// each purchase +5 levels?
 		gameState.droneLevel += 5;
 	}
 }];
-// standard drone upgrades in the normal buy menu
+// Standard drone upgrades
 var droneUpgrades = [{
 	id: 'drone_level_1',
 	name: 'Buy Drones (Lv +1)',
 	cost: 5000,
@@ -1120,9 +1159,8 @@
 });
 moneyDisplay.x = 2048 / 2 - moneyDisplay.width / 2;
 moneyDisplay.y = 50;
 game.addChild(moneyDisplay);
-// Add a text display for Prestige info
 var prestigeDisplay = new Text2('Prestige: 0', {
 	size: 50,
 	fill: 0xFFFFFF,
 	fontWeight: 'bold',
@@ -1131,9 +1169,8 @@
 });
 prestigeDisplay.x = 50;
 prestigeDisplay.y = 50;
 game.addChild(prestigeDisplay);
-// Shop icon
 var shopOpenButton = LK.getAsset('shop_icon', {
 	anchorX: 0.5,
 	anchorY: 0.5
 });
@@ -1143,9 +1180,8 @@
 	createMainUpgradeMenu();
 	game.addChild(upgradeMenu);
 };
 game.addChild(shopOpenButton);
-// Prestige shop icon
 var prestigeShopButton = LK.getAsset('prestige_shop_icon', {
 	anchorX: 0.5,
 	anchorY: 0.5
 });
@@ -1159,21 +1195,19 @@
 		game.addChild(upgradeMenu);
 	}
 };
 game.addChild(prestigeShopButton);
-// Debug: Add money button
 var addMoneyButton = LK.getAsset('buy_button', {
 	anchorX: 0.5,
 	anchorY: 0.5
 });
 addMoneyButton.x = 200;
 addMoneyButton.y = 2732 - 300;
 addMoneyButton.down = function () {
-	gameState.money += 5000000000; // 5B
+	gameState.money += 5000000000;
 	updateUI();
 };
 game.addChild(addMoneyButton);
-// create main upgrade menu with an additional tab for drones
 function createMainUpgradeMenu() {
 	upgradeMenu.removeChildren();
 	subUpgradeItemRefs = [];
 	var menuBg = LK.getAsset('rectangle', {
@@ -1185,9 +1219,8 @@
 	});
 	menuBg.x = 2048 / 2;
 	menuBg.y = 2732 / 2 + 50;
 	upgradeMenu.addChild(menuBg);
-	// 8 categories + 1 drones
 	var categories = [{
 		name: 'Coal Upgrades',
 		yOff: -800,
 		type: 'coal'
@@ -1250,9 +1283,8 @@
 				createSubUpgradeMenu(cat.name, oreUpgrades[cat.type]);
 			}
 		};
 	});
-	// Close button
 	var closeBtn = LK.getAsset('cancelButton', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
@@ -1385,9 +1417,8 @@
 	shardText.anchor.set(0.5);
 	shardText.x = menuBg.x;
 	shardText.y = menuBg.y - 900;
 	upgradeMenu.addChild(shardText);
-	// We'll list pickaxe artifact upgrades and drone artifact upgrades
 	var combinedUpgrades = prestigeUpgrades.concat(prestigeDrones);
 	var startY = menuBg.y - 700;
 	combinedUpgrades.forEach(function (upg, i) {
 		var itemContainer = new Container();
@@ -1437,17 +1468,14 @@
 game.update = function () {
 	if (miner) {
 		miner.update();
 	}
-	// update each drone
 	for (var i = 0; i < droneObjects.length; i++) {
 		droneObjects[i].updateDrone();
 	}
-	// Drone DPS tick (maybe once per second)
 	if (typeof LK.time !== 'undefined' && LK.time.elapsed % 60 === 0) {
 		droneDamageTick();
 	}
-	// Update ore visuals
 	clusters.forEach(function (cluster) {
 		cluster.oreList.forEach(function (ore) {
 			if (ore.health > 0) {
 				var fraction = ore.health / ore.maxHealth;
@@ -1456,9 +1484,8 @@
 				ore.alpha = fraction;
 			}
 		});
 	});
-	// Update sub-menu color if open
 	if (upgradeMenu.parent) {
 		subUpgradeItemRefs.forEach(function (ref) {
 			var upg = ref.upgrade;
 			var canBuy = canPurchaseUpgrade(ref.upgList, upg);
@@ -1466,63 +1493,72 @@
 				ref.textObj.style.fill = canBuy ? 0xFFFFFF : 0x666666;
 			}
 		});
 	}
-	// If quantum selection is active, track timer
 	if (quantumSelectionActive) {
 		quantumSelectTimer++;
 		if (quantumSelectTimer > 15 * 60) {
-			// 15s passed, unpause
 			quantumSelectionActive = false;
 			miner.quantumPathActive = false;
 		}
 	}
+	// Achievement check:
+	achievements.forEach(function (ach) {
+		if (!ach.achieved && ach.condition()) {
+			ach.achieved = true;
+			var achText = new Text2("Achievement Unlocked: " + ach.name, {
+				size: 40,
+				fill: 0xFFFF00
+			});
+			achText.x = 2048 / 2;
+			achText.y = 100;
+			game.addChild(achText);
+			tween(achText, {
+				alpha: 0
+			}, {
+				duration: 2000,
+				onFinish: function onFinish() {
+					achText.destroy();
+				}
+			});
+		}
+	});
 };
 /**** 
-* UI REFRESH
+* UI REFRESH & SAVE/LOAD
 ****/ 
 function updateUI() {
 	moneyDisplay.setText("$" + Math.floor(gameState.money).toLocaleString());
 	moneyDisplay.x = 2048 / 2 - moneyDisplay.width / 2;
 	prestigeDisplay.setText("Prestige: " + gameState.prestigeCount);
 }
-/**** 
-* SAVE & LOAD
-****/ 
 LK.saveGame = function () {
 	return gameState;
 };
 LK.loadGame = function (data) {
 	gameState = data;
 	updateUI();
 };
 /**** 
-* INITIAL SPAWN
+* START GAME
 ****/ 
-/**** 
-* START
-****/ 
 function startGame() {
-	// spawn backgrounds
 	currentBackground = LK.getAsset('background', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
 	currentBackground.x = 2048 / 2;
 	currentBackground.y = 2732 / 2;
 	game.addChildAt(currentBackground, 0);
-	// create miner
 	miner = new Miner();
 	miner.x = 2048 / 2;
 	miner.y = 2732 / 2;
 	game.addChild(miner);
 	initialSpawn();
 	updateUI();
 }
 startGame();
-// quantum selection function
-// This is a stub for the advanced effect. We won't fully implement the UI.
 game.pauseForQuantumSelection = function () {
 	quantumSelectionActive = true;
 	quantumSelectTimer = 0;
-	// darken screen, highlight ores, etc.
+	// (Stub: Darken screen and highlight ores if desired)
 };
\ No newline at end of file