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Better check if cell is empty in Hash:draw()

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This commit is contained in:
Matthias Richter 2013-02-09 22:04:18 +01:00
parent 8283c13cfb
commit ec2cc20a6b
1 changed files with 2 additions and 3 deletions
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5
spatialhash.lua
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@ -141,9 +141,8 @@ function Spatialhash:draw(how, show_empty, print_key)
if show_empty == nil then show_empty = true end
for k1,v in pairs(self.cells) do
for k2,cell in pairs(v) do
local empty = true
(function() for _ in pairs(cell) do empty = false; return end end)()
if show_empty or not empty then
local is_empty = (next(cell) == nil)
if show_empty or not is_empty then
local x = k1 * self.cell_size
local y = k2 * self.cell_size
love.graphics.rectangle(how or 'line', x,y, self.cell_size, self.cell_size)