Yesterday and a bit of today I worked hard on a complicated corridor in my new celtest level. It was complicated because it had to follow the curve of another object and in the mean time I had to open windows between the corridor and the other object. When I later tried out the level I discovered that the new corridor ran straight through another part of the level that I put in another sector for optimization purposes. Since the new corridor was so complicated to make I had no choice but to change the older corridors that intersected the new areas. Luckily they were not complicated so this part was not very hard. But in addition to those corridors there was also an elevator that intersected the new corridors. I couldn't easily move that elevator so I decided to cut the new corridor in two sections with the elevator in the middle. All in all it turned out nicely.
I just upgraded to blender 2.37. I'm really starting to like this tool a lot. In 2.37 there are again a few new additional tools that make it a lot easier to manipulate and transform your meshes. My favorite functions in Blender are extrude, subdivide, and split. Extrude is extremely useful to enlarge areas and give walls thickness. The only thing is that you need to be careful that all normals are facing the right direction. Subdivide is very useful if you have made some room or corridor and you want to add a new door in a wall. First you split the wall from the rest of the mesh and then you subdivide it (with or without the 'Beauty' option). After that you can go to edge select mode and drag the edges so that you get the right size for the door. Then you remove the face and you have a door. The reason to split the wall before doing a subdivide is to make sure that the subdivision will not cause adjacent faces to be triangulized. You first want to subdivide the wall on its own. Later on you can then remove double vertices in the mesh to ensure that all is connected properly again.
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