Apple Motion 5.1.1 - Manual (Page 977)

Chapter 22 Motion tracking 977
In this example, the Track Points behavior is applied to a Bezier shape.
Bezier shape with applied
Track Points behavior
Animated
source object
Note: To reference another animated object, drag that object to the Track Points behavior’s
Source well or to the behavior in the Layers list.
3 In the Behaviors Inspector, choose Attach to Source from the Transform pop-up menu.
The spinning animation of the line is applied to the Bezier shape. The Bezier shape changes form
because the vertex tangents match the transformation of the source animation.
4 To align the tangents to the transformation of the source object, select the Align Tangents
checkbox in the Behaviors Inspector.
Turning on
Align Tangents
The spinning animation of the line is applied to the Bezier shape. The tangents remain aligned at
their original angles along the shape.
67% resize factor