Quote Originally Posted by arthurprs
new info found on Grid Wars gfx folder

what is the use for this?, draw the lines i think, but there is a way to draw lines using that pic?
"glow.bmp"


the squares and other shapes it maked on PS and probably draw then with Add Blend Mode ;p
What seems you are looking for is called "particle system", litle rectangles with textures like in your example glow.bmp and rendered with blended and additive atributes; it is used for a produce a lot different effects like flames, explosions, ray guns shots, snow, etc.