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928 Chapter 8: Modifiers
a vertex of interest to pick up its color. Since this
button enters a mode, it must b e clicked to leave
the mode, or you can choose another m ode to
turn it off.
Co lor swatch—The color swatch
indicates the current color that will be used when
painting begins. Clicking on the swatch launches
the standard color selector. Here you can change
the color that will b e used on the next br ush
stroke. I t provides standard Hue, Saturation, and
Brightness selection, along with Red, Green, and
Blue selection and numerical entry.
Opacit y —Controls the opacity of paint b eing
applied to the currently selected objects in a single
paint stroke (actually, any time before mouse up).
This value represents the percentage of new paint
that will blend into the color already applied to
the selected objects. Successive paint st rokes will
continue to add this color until it overpowers the
underly i ng color completely. The maximum value
is 100% and 0% is the minimum value. A value of
50 percent will blend equally with the underlying
vertex color in a single stroke (before mouse up).
The br u sh opacity serves to clamp the effect of
each brush stroke, taken as a whole. If you pick
a low opacity amount, then a s ingle brush stroke
will have only a small effect, no matter how much
youscrub.Thisallowsimprovedcontroloverthe
density of a glaze of color, with an even glazing
across a l l the painted vertices.
Size—Controls the diameter of the brush, as seen
in the viewport. Size values r ange from zero to
9,999,999 and must be chosen appropriately for the
size and resolution of geometry you are painting.
Brush Options —Opens the Painter Options
dialog (page 1–801)
, where you can access
advanced paintbrush controls. These are the
standard set of Painter Interface options. The
same options can be seen, for example in the Skin
modifier, for painting weights.
Here you will find a rich selection of brush
configuration tools that change the way your
brush strokes apply color to the selection. Incl udes
tools for mirror painting mode and using pressure
sensitivity.
Pal ette—Click to display the Color Palette
(page 1–933)
, which lets you create, edit, and
manage custom palettes for use with VertexPaint.
Selection group
Toolsinthisgroupletyouchoosesub-object
selection levels. You can select vert ices, faces or
elements. Includes the option to ignore backfacing
so you can limit your selection to sub-objects
that face toward you, and also provides access to
standard soft selection options.
This creates a mask that wi l l lets you determ ine
what is being affected by your paint strokes, and
any other operations you might apply, such as
blurring or color adjustment. Erase functionality
will also honor this mode selection.
Note: Soft Selection is supported on the various
sub-object selection modes.
Select vertex —Allows you to select vert ices
from the currently selec ted objects. Once selected,
onlytheseverticeswillbeavailableforpainting.