Today, while playing with my nebulae colors/densities, i generated a nice image that looks like a volumetric explosion. It occured to me that the code i'm currently writing can be used later to generate some animations of explosions, like those you can see in Command & Conquer: Generals (i liked a lot all the particle effects in that game). Here is a screenshot:
I've also found an older screen of my galaxy generator:
More on nebulaes in the coming days..