XNA UK User Group

I guess you know what Octrees and Quadtrees are so wont go into too much detail on them here, but they are basically a great way to hold static (none moving) game objects in groups for the use of culling and the like. As stated this is great for game objects that don't move, terrain, buildings and...

[youtube]http://www.youtube.com/watch?v=_sx0KDO-ZbA[/youtube] Well as mentioned in my previous post, here is the 3D particle system again only this time the particles are scaled. Now I didn't think that you could scale pointsprites, but it turns out you can :P I found out after going to an XNA meeting...

[youtube]http://www.youtube.com/watch?v=-DyzjvsToE8[/youtube] So here is the SM3 (Shader Model 3) HLSL fog. Now this is taken pretty much 99% from Leaf's example, but thought I would comment on how easy this technique is to put into your existing shaders. I also found that adding this to a shader...