local Cube = setmetatable({}, { __index = Entity })
Cube.__index = Cube

function Cube.new()
  local self = Entity.new()
  setmetatable(self, Cube)
  self:add(Entity.POSITION)
  self.position.x = 0
  self.position.y = 0
  self.position.z = 0
  self:add(Entity.MESH)
  self:add(Entity.MATERIAL)
  self.material.color = colorRed()
  return self
end

function Cube:update()
  local speed = 3.0
  local dx = inputAxis(INPUT_ACTION_LEFT, INPUT_ACTION_RIGHT)
  local dz = inputAxis(INPUT_ACTION_UP, INPUT_ACTION_DOWN)
  self.position.x = self.position.x + dx * speed * TIME.delta
  self.position.z = self.position.z + dz * speed * TIME.delta
end

return Cube