/**** 
* Classes
****/
// Carnivore class
var Carnivore = Container.expand(function () {
	var self = Container.call(this);
	// Carnivore starvation logic
	LK.on('tick', function () {
		carnivores.forEach(function (carnivore, index) {
			if (!carnivore.lastMealTime) {
				carnivore.lastMealTime = LK.ticks;
			}
			if (LK.ticks - carnivore.lastMealTime > 300) {
				// 5 seconds at 60FPS
				carnivores.splice(index, 1);
				carnivore.destroy();
			}
		});
	});
	// Update Carnivore eat method to reset lastMealTime on eating
	Carnivore.prototype.eat = function () {
		herbivores.forEach(function (herbivore, index) {
			var dx = herbivore.x - self.x;
			var dy = herbivore.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < 50) {
				herbivores.splice(index, 1);
				herbivore.destroy();
				self.speed += 0.1; // Evolve by increasing speed
				self.lastMealTime = LK.ticks; // Reset last meal time to extend life for 6 seconds
				// Spawn two new Carnivores at random locations
				var newCarnivore1 = new Carnivore();
				newCarnivore1.x = Math.random() * 2048;
				newCarnivore1.y = Math.random() * 2732;
				game.addChild(newCarnivore1);
				carnivores.push(newCarnivore1);
				var newCarnivore1 = new Carnivore();
				newCarnivore1.x = Math.random() * 2048;
				newCarnivore1.y = Math.random() * 2732;
				game.addChild(newCarnivore1);
				carnivores.push(newCarnivore1);
				var newCarnivore2 = new Carnivore();
				newCarnivore2.x = Math.random() * 2048;
				newCarnivore2.y = Math.random() * 2732;
				game.addChild(newCarnivore2);
				carnivores.push(newCarnivore2);
				var newCarnivore2 = new Carnivore();
				newCarnivore2.x = Math.random() * 2048;
				newCarnivore2.y = Math.random() * 2732;
				game.addChild(newCarnivore2);
				carnivores.push(newCarnivore2);
			}
		});
	};
	var carnivoreGraphics = self.attachAsset('carnivore', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5; // Carnivores are significantly faster than herbivores
	self.move = function () {
		// Simple AI for movement towards nearest herbivore
		var closestHerbivore = null;
		var closestDistance = Infinity;
		herbivores.forEach(function (herbivore) {
			var dx = herbivore.x - self.x;
			var dy = herbivore.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < closestDistance) {
				closestHerbivore = herbivore;
				closestDistance = distance;
			}
		});
		if (closestHerbivore) {
			var dx = closestHerbivore.x - self.x;
			var dy = closestHerbivore.y - self.y;
			var angle = Math.atan2(dy, dx);
			self.x += Math.cos(angle) * self.speed;
			self.y += Math.sin(angle) * self.speed;
		}
	};
	self.eat = function () {
		// Eat nearby herbivores
		herbivores.forEach(function (herbivore, index) {
			var dx = herbivore.x - self.x;
			var dy = herbivore.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < 50) {
				herbivores.splice(index, 1);
				herbivore.destroy();
				self.speed += 0.1; // Evolve by increasing speed
				self.lastMealTime = LK.ticks; // Reset last meal time to extend life for 6 seconds
			}
		});
	};
});
// Food class
var Food = Container.expand(function () {
	var self = Container.call(this);
	var foodGraphics = self.attachAsset('food', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
// Herbivore class
var Herbivore = Container.expand(function () {
	var self = Container.call(this);
	// Herbivore starvation logic
	LK.on('tick', function () {
		herbivores.forEach(function (herbivore, index) {
			if (!herbivore.lastMealTime) {
				herbivore.lastMealTime = LK.ticks;
			}
			if (LK.ticks - herbivore.lastMealTime > 360) {
				// 6 seconds at 60FPS
				herbivores.splice(index, 1);
				herbivore.destroy();
			}
		});
	});
	var herbivoreGraphics = self.attachAsset('herbivore', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 2; // Herbivores are further slowed to emphasize the speed difference with carnivores
	self.reproductionRate = 0.01;
	self.move = function () {
		// Simple AI for movement towards nearest food
		var closestFood = null;
		var closestDistance = Infinity;
		foods.forEach(function (food) {
			var dx = food.x - self.x;
			var dy = food.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < closestDistance) {
				closestFood = food;
				closestDistance = distance;
			}
		});
		if (closestFood) {
			var dx = closestFood.x - self.x;
			var dy = closestFood.y - self.y;
			var angle = Math.atan2(dy, dx);
			self.x += Math.cos(angle) * self.speed;
			self.y += Math.sin(angle) * self.speed;
		}
	};
	self.eat = function () {
		// Eat nearby food
		foods.forEach(function (food, index) {
			var dx = food.x - self.x;
			var dy = food.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < 50) {
				foods.splice(index, 1);
				food.destroy();
				self.speed += 0.05; // Evolve by increasing speed
				var newHerbivore = new Herbivore();
				newHerbivore.x = Math.random() * 2048;
				newHerbivore.y = Math.random() * 2732;
				game.addChild(newHerbivore);
				herbivores.push(newHerbivore);
				var newHerbivore = new Herbivore();
				newHerbivore.x = self.x;
				newHerbivore.y = self.y;
				game.addChild(newHerbivore);
				herbivores.push(newHerbivore);
			}
		});
	};
});

/**** 
* Initialize Game
****/
var game = new LK.Game({
	backgroundColor: 0x000000 // Init game with black background
});

/**** 
* Game Code
****/
// Spawn food in the world periodically
// Initialize assets for carnivores, herbivores, and food.
LK.on('tick', function () {
	if (LK.ticks % 100 == 0) {
		// Every 1.67 seconds at 60FPS
		var newFood = new Food();
		newFood.x = Math.random() * 2048;
		newFood.y = Math.random() * 2732;
		game.addChild(newFood);
		foods.push(newFood);
	}
});
var carnivores = [];
var herbivores = [];
var foods = [];
// Populate the game with initial entities
function initializeEntities() {
	for (var i = 0; i < 10; i++) {
		var newCarnivore = new Carnivore();
		newCarnivore.x = Math.random() * 2048;
		newCarnivore.y = Math.random() * 2732;
		game.addChild(newCarnivore);
		carnivores.push(newCarnivore);
		var newHerbivore = new Herbivore();
		newHerbivore.x = Math.random() * 2048;
		newHerbivore.y = Math.random() * 2732;
		game.addChild(newHerbivore);
		herbivores.push(newHerbivore);
	}
	for (var j = 0; j < 50; j++) {
		var newFood = new Food();
		newFood.x = Math.random() * 2048;
		newFood.y = Math.random() * 2732;
		game.addChild(newFood);
		foods.push(newFood);
	}
}
initializeEntities();
// Main game loop
LK.on('tick', function () {
	// Move and eat logic for carnivores
	carnivores.forEach(function (carnivore, index) {
		carnivore.move();
		// Example eat logic, actual implementation needed
		if (Math.random() < 0.01) {
			// Simulate eating
			carnivore.eat();
		}
	});
	// Move and eat logic for herbivores
	herbivores.forEach(function (herbivore, index) {
		herbivore.move();
		// Example eat logic, actual implementation needed
		if (Math.random() < 0.01) {
			// Simulate eating
			herbivore.eat();
		}
	});
	// Food does not need to move, but could be consumed
});
// Note: This is a simplified structure. Actual movement, eating logic, and interactions between entities need to be implemented.