New update :

• Added borders on tiles, it’s very nice and corrects some isometric perspective visual problems (F4 to switch it on/off)
• Optimized again, now the game is almost playable on a Asus Eeepc 1015PN netbook (on quick light calculation mode, there are still a few lags sometimes), and perfectly playable on my 10 years old computer

Now I should really focus on alpha 0.0.3