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This short cloth tutorial gives you one way to make simulated
cloth for drapes, tunics, curtains, capes or robes.
This page deals with a single piece of material, later tutorials
will cover skirts and trousers.
To
start...
-Open ZBrush ;)
-Start with a Plane 3D from the TOOL
PANEL
-Use TOOL>MODIFIERS>INITIALIZE
and increase the mesh resolution. I used 200x200 for this
exersise but you can in theory use any size. Find a size
that suits you and your machine. It is also possible to
OPTIMISE the mesh
at the end to bring down its file size.
 Figure
1 |
-Draw
the Plane3D into the document window. Gyro or EDIT
mode (T) will do.
-Using
TOOL>MODIFIERS>
DEFORMATION
rotate the mesh so that it is lying flat in the TOOL
window. (Figure 3)
(Rotate X 90 should do it) |
Figure
3 |
Figure
2 |
-Back
in the document window we can rotate the plane however
we like. Put it flat on the canvas (Figure 2.)
-Hold down the CTRL key and paint some vertical stripes
onto the canvas. Holding CTRL makes the program draw
an Alpha mask onto the object. Darker areas will be
unaffected by the deformations that we will apply.
NOTE: Some one will want to
do this using the COL and ROW commands in the selection
panel. This is fine too but it gives very 'regular'
patterns.
-We now have an ALPHA MASK
applied to the plane. Use the GRAVITY
slider seen in Figure 3 to make the mesh droop where
it is unmasked. Don't forget there is an UNDO!
-As we rotated the mesh forward it uses gravity to drop
folds into the mesh. (See Figure 4 and 5) |
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 Figure
4
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 Figure
5 |
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DETAIL |
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Figure
6 |
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-It can help to have some Photographic reference to
help you shape the cloth. If you are making a mesh
for a specific project try to visualise the end result
at this stage.
- It can help to pick a color at this stage. I used
blue in Figure 7.
-Using the DRAW POINTER
and MOVE tools
in the TRANSFORM
panel you can now modify the mesh to suit your needs.
(Figure 6)
- Here I just used MOVE
to pull and push the cloth into a curtain shape. Use
different brush sizes to get different effects on
different parts of the cloth.
-Focus on the ends of the cloth and increase the size
of the folds there.
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 Figure
7 |
-Depending
on the project you may wish to bend or twist the cloth
into diffent shapes.
Figure 7 shows how useful the SBEND
can be.
This is found in the TOOL>MODIFIERS>DEFORMATIONS
panel
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Figure 7 |
-And
that really covers it. There are a lot more deformation
sliders in the tool panel that can be used to alter this
type of model. Try them and see what you can come up with!
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