The Cone Angle manipulator
is a cone whose base you can adjust. By wiring its Angle value to
a parameter of another object, you can create a custom control,
with visual feedback, within a scene.
Cone angle manipulator
Cone angle manipulators
are used by a spotlight's Hotspot and Falloff controls.
To create a cone angle manipulator:
- On the Create
panel, activate (Helpers)
and choose Manipulators from the drop-down list.
- Click to turn on Cone Angle.
- Drag in a viewport, and then release
The cone angle manipulator
is created along the negative Z axis of the viewport in which you
drag. In other words, its initial position points away from you.
To change the angle of a cone angle manipulator:
- Turn on (Select
If you are still
in the Create panel, turn on
Object) before using the manipulator. Otherwise, it is too easy
to create a new one.
- In a viewport, move the mouse over the
The manipulator turns
red when the mouse is over it and it is available to be manipulated.
Also, a tooltip appears, showing the name of the manipulator and
its current value.
- Drag the base of the cone angle manipulator's
The Angle value changes
as you drag the manipulator. This value can range between 0.0 and
To select a cone angle manipulator:
- Turn on (Select
You can also use (Select
And Move), (Select
And Rotate), and the scale options on a cone
- Turn off (Select And Manipulate).
If you don't turn off Select And Manipulate,
you adjust the manipulator's Angle value without affecting its properties.
- Adjust the properties of the selected
To connect a cone angle manipulator so
it controls another object:
- Select the cone angle manipulator.
And Manipulate) must be off
before you can
select the manipulator.
- Choose Animation Wire Parameters Wire Parameters.
You can also right-click the manipulator and
choose Wire Parameters from the Transform (lower-right) quadrant
of the quad menu.
A pop-up menu appears over the manipulator.
- In the pop-up menu, choose Object (Cone
Angle Manipulator) Angle.
- Click the object you want to manipulate.
A pop-up menu appears over the object.
- In the pop-up menu, choose Object, then
the name of the parameter you want to manipulate.
3ds Max opens the
- On the Parameter Wiring dialog, click
the “control direction” arrow between the two upper lists that goes
from the manipulator to the object (or both directions), and then
- Close the Parameter Wiring dialog.
Now when you turn on (Select And Manipulate)
and use the manipulator, the object updates under the manipulator's
The initial angle of
The length of the manipulator,
in 3ds Max units. Default=the distance of mouse drag when the manipulator
- Use Square
When on, the base of
the cone is square or rectangular, rather than circular. Default=off.
When Use Square is on, adjusts
the aspect ratio of the rectangular cone base. Default=1.0.