8

920 Chapter 8: Modifiers
Oneoftheprimaryadvancementsofthenew
Ve r t e x P a i n t i s it s u s e o f t h e m o d i f i e r s t a c k a s a
kind of image composite stack. Each VertexPaint
modifier is a single layer in the composite. Layers
can be moved up and down the stack, enabled
or disabled, and the stack can be flattened using
Condense To Single Layer.
B ackward Compatibility
If an older file is loaded which uses a previous
version of the VertexPaint modifier, then the legacy
modifier will be loaded when the file is opened.
The legacy modifier has not b een changed, and
the two modifiers are not inherently compatible
in terms of their data format during loading and
saving.
If you have vertex color data in a legacy Ver texPaint
modifier, you can use the Condense To Single
Layertoolofthenewmodifiertomigratethe
vertex colors into the new modifier.
Pr ocedur es
To a dd scene l ighting into a n obj ect’ s vertex color:
1.
Select the objects in the scene that you want to
color.
2. OntheModifypanel,chooseVertexPaintfrom
the modifier list.
The floating
Paintbox (page 1–924) appears,
dockedtotheleftedgeoftheviewports.
3. Open the Assign Vertex Colors rollout.
Note: This rollout prov ides the same tools as
found in the Assign Vertex Colors utility.
4. IntheLightModelgroup,turnonLighting.
5. In the Shadows group, turn on Calculate
Shadows, if you want shadows added.
Tip: Turn on Shaded and cho ose Use Maps if
you want to m ix the texture map information
with the lighting and shades.
6. Click Assign To Selected
7. On the Vertex Paintbox, turn on Vertex
Color Display Shaded to see the vertex lighting
in the vertex color map .
To paint vertex colors on a n object:
1.
Select the scene objects to paint.
2. On the Modif y panel, choose
VertexPaint from the Modifier List.
TheVertexPaintboxappears.
3. Choose the color you want to paint with
by clicking the large color swatch below the
Paintbrush button. This opens the Color
Selector.
4. Change the color using controls on the Color
Selector.
5. Adjust the strength of the color by entering a
percenta ge value in the Opacity field.
6. Click Ver tex Color Display Unshaded to
see the vertex colors without shading.
7. Click the Paint button and move the cursor over
the selected object in the viewport.
8. Whenthecursordisplaysovertheobject,press
andholddowntheleftmousebuttonanddrag
to paint the object.
Tip: Thecursordisplaysthesizeofthebrush.
Use the Size spinner to change to a larger or
smaller brush.
To see vertex colors in a v iewport :
1.
Right-click the object with painted vertices,
and choose Propert ies from t he quad menu.
2. In the Display Proper ties group, tur n on the
toggle for Vertex Color.