Originally Posted by
fussel
Blah. If you fell through the geometry, there's another reason that half of the world seems to be missing. Polygons in 3D graphics have a direction and don't look the same from both sides. So if you take a simple sphere with a texture on the outside, you can see the sphere from all sides, but you can't see anything when you're inside. If you're below the ground, you can't see the "grass roots". This is exactly, what happened in your screenshot and has nothing to do with a "too short clipping plane".