In fire display, it makes everything that glows appear as squares (I'm assuming based on the pressure grid) and the the colors appear all distorted. Is this supposed to be a feature or is it just a cool way the game deals with a negative value. I think it looks cool, but I don't know what its meant for.
Edit: actually I think its just interpreting it as the maximum value or something
It is just makes maximal value , yes , you guessed right