/traderous

To get this branch, use:
bzr branch http://9ix.org/bzr/traderous 
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-- TODO: these need to come out of a factory

Bullet = Tile:extend {
   image = 'data/laser.png',
   onNew = function(self)
              self.velocity = vector.new(1000, 0)
              self.velocity:rotate_inplace(self.rotation)

              self.createdAt = love.timer.getTime()

              the.bullets:add(self)
           end,
   onUpdate = function(self, dt)
                 if love.timer.getTime() - self.createdAt > 0.7 then
                    -- TODO: reuse these (see factory idea above)
                    the.bullets:remove(self)
                    self:die()
                 end
              end
}