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Flyiing Buttress

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Common Questions

Patch-Mesh 101
Flying Buttress




Let's make a flying buttress. What's a flying buttress? you ask. It's a supporting arch.
Looks something like this.

They are easy to build and look cool in a gothic map.
The first thing to do is build the trim brushes on the walls with which the bent cylinder is going to connect. These are just square brushes that have the front side moved (E key - edge edit) so they're are angled.

Next thing to do is build the square cylinder and bend it into a arch.
Let's build a brush 40 by 40. I used grid 8 and then built the brush 5 grids by 5 grids.
Now turn it into a square cylinder, (switch to top view then curve menu then more cylinders then square cylinder.)
Now go to the side view (x or y) then turn on vertex editing (V key). Now we are going to position the control points.
A fast way to get them close is to left click, hold away from the points, and drag a blue box around a row of points. Now release the left mouse button, left click on the points themselves, and drag them close to where you want them.

Now they are close.

Now move them into position. Notice I had to snap the control points to the grid (ctrl+G)

Now that looks good for now.
Let's build the rest of the brushes to finish this flying buttress off.
This is how I do it. Build a brush above the square cylinder that we just bent in to shape. Texture this brush with the common/caulk texture.
Now turn on edge editing (E key). Let's turn this brush into the top of the flying buttress. I made it wider than the bent cylinder and shaped it like this.

Now let's build the center brushes. These are going to be narrower than the bent cylinder. The reason they are narrower is becaue they'll be inside the cylinder and so you won't see any z-fighting.
Here is a finished pic with all the brushes selected.

There now all that's left to do is to texture the brushes. I used gothic_wall/proto_brik for the middle brushes and base_wall/rusted for the top trim brush. Make sure you caulk all unseen faces. If you made all the brushes out of caulk in the first place and only textured the visible surfaces, then the job's already done for you. Tip hold down ctrl+shift+alt while left clicking on all the faces to texture sure saves time.
Do you want something else covered by this Mesh Tutorial then write me a email.

Email Bill Brooks

Bevel trim

The following short cut keys will come in handy while working with meshes:

ctrl-G               Snap to grid (I use this one a lot)
ctrl- I                Invert texture
shift-control-N   Cycles cap textures patch
V key              Turns on vertices so you can drag them.
control-N          Naturalize patch texture
Control-P         Toggle show patches 
shift-C             Cap selected curve
shift-S             Patch Inspector (I use this one a lot)


 

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Bill Brooks © 1999
email contact: Bill Brooks