Cupla

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

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

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

function Tower.new(x, y) local tower = setmetatable({}, Tower) tower.x = x tower.y = y tower.damage = config.towerDamage tower.range = config.towerRange tower.level = 1 return tower end

-- Tower settings towerDamage = 10, towerRange = 100, towerUpgradeCost = 100,

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

function Tower:upgrade() self.level = self.level + 1 self.damage = self.damage * 1.2 self.range = self.range * 1.2 end

-- Game logic local game = {} game.enemies = {} game.towers = {} game.wave = 1