Graphics Programs Reference
In-Depth Information
Chevrons
Control handles
Figure 9.34
frames to 200, it will take the object twice as long to move along the same path length.
Controlling the speed of the object can also be done in the graph editor window, but we
will come back to that in a moment.
Note: With the path selected in edit mode, there are black chevrons along the path
and several orange dots (Figure 9.34). The chevrons indicate the direction of motion
and velocity. In this case, they are evenly spaced, indicating constant velocity. The
orange dots are control handles for shaping the path—there is one at each end and
others in between the ends. By default, when you enter edit mode, all the control
points are selected. Press the A key to deselect them, then right click on one point to
select it alone.
If you have the manipulation widget turned on, the widget will be located at the selected
control point. If you click on the widget handles (with the widget in translate manipulator
mode) and drag the mouse, the control point will be moved and the shape of the path will
be altered (Figure 9.35). You can select any of the control points and reshape the path in this
way. Selecting an end control point and pressing the E key, then dragging the mouse will
extrude the end of the path. You can go into front side view or end view and reshape the
path in three dimensions, creating any shape you wish.
The control point is moved
using the widget handles.
Figure 9.35
 
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