Object Attachments¶
An object can leave a trail behind it as it moves.
![_images/binary_star.png](_images/binary_star.png)
A binary star system, showing two different types of trail.¶
An arrow representing a vector quantity can be attached to an object, automatically updating as the object moves.
![_images/attach_arrow.png](_images/attach_arrow.png)
The arrow represents the instantaneous velocity of the bouncing ball.¶
To make a moving light, a light can also be attached to an object.
![_images/attach_light.png](_images/attach_light.png)