Apple Motion 4 - Manual (Page 1092)

As you drag one or more selected control points, the rest of the shape automatically
stretches or curves to accommodate the change.
Selecting three points Moving all three points simultaneously
µ
Press Command-Left Arrow, Command-Right-Arrow, Command-Up Arrow or
Command-Down Arrow to nudge a point by one pixel (or Command-Shift to nudge by
10 pixels).
To constrain the movement of selected points
1 Select one or more control points.
2 Press Shift while you drag one of the selected points either horizontally, vertically, or
diagonally.
Important: Selected control points can only be moved—you cannot shear or corner-pin
them. To rotate or scale them, you must use the Transform Control Points command. See
Transforming Multiple Control Points .
Modifying Shape Edges
You can also select the line between two points and move the edge of the shape without
affecting the rest of the shape.
To move a shape edge
1 With the Adjust Control Points tool selected, click any edge of a shape object.
The control points on either side of the line are selected.
1092 Chapter 17 Using Shapes, Masks, and Paint Strokes