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Cone Angle M anip ulator 27
is ac tive, and Select And Manipulate is turned on,
you can manipulate objects. However, you must
turn off Select And Manipulate before you can
select a m anipulator helper.
You can add these custom manipulators to your
scene:
Cone Angle Manipulator (page 2–27)
Plane Angle Manipulator (p age 2–29)
Slider Manipulator (page 2–30)
These features have manipulators built in, which
you can use to change p arameters on the objects:
IK Solver Propert ies Rollout (HI Solver) (page
2–437)
Reaction Controllers (page 2–342)
Target Spotlight (page 2–1143)
Free Spotlight (page 2–1144)
Spotlight Parameters (page 2–1183)
UVW Map Modifier (page 1–905)
Primitives (page 1–163)
w ith a Radius parameter
have a built-in manipulator for the radius.
Cone Angle Manipulator
Create panel > Helpers > Manipulators > Object Type
rollout > Cone Angle button
Createmenu>Helpers>Manipulators>ConeAngle
The Cone Angle manipulator is a cone w hose
base you can adjust. By wir ing its Angle value
to a parameter of another object, you can create
a custom cont rol, with visual feedback, within a
scene.
Cone angle manipulator
Cone angle manipulators are used by a spotlight’s
Hotspot and Falloff controls.
Procedures
To create a cone angle ma nipula tor:
1.
IntheCreatepanel,gotoHelpers
and cho ose Manipulators from the drop-down
list.
2. ClicktoturnonConeAngle.
3. Draginaviewport,andthenreleasethemouse.
Theconeanglemanipulatoriscreatedalong
thenegativeZaxisoftheviewportinwhichyou
drag. In other words, its initial position points
away from you.
To change the angle of a cone angle manipulator:
1.
Turn on S ele c t And Man ipulate.
Tip: If you are still in the Create
panel, turn on Select Object before using the
manipulator. Otherwise, it is too easy to create
a new one.
2. In a viewport, move the mouse over the
manipulator.
Themanipulatorturnsredwhenthemouseis
over it and it is available to be manipulated.
Also,atooltipappears,showingthenameof
the manipulator and its current va lue.