-- Wave settings waveInterval = 10, waveIncrease = 1.2, }

function Enemy:update(dt) self.x = self.x + self.speed * dt end

-- Tower classes local Tower = {} Tower.__index = Tower

-- Enemy classes local Enemy = {} Enemy.__index = Enemy

function Enemy.new(x, y) local enemy = setmetatable({}, Enemy) enemy.x = x enemy.y = y enemy.speed = config.enemySpeedMultiplier enemy.damage = config.enemyDamageMultiplier return enemy end

-- Example usage local game = setmetatable({}, game) table.insert(game.towers, Tower.new(100, 100))

-- Update enemies for i, enemy in ipairs(game.enemies) do enemy:update(dt) if enemy.x > 1000 then table.remove(game.enemies, i) end end

-- Wave system if game.waveTimer then game.waveTimer = game.waveTimer - dt if game.waveTimer <= 0 then game.wave = game.wave * config.waveIncrease game.waveTimer = config.waveInterval end else game.waveTimer = config.waveInterval end end