Throw – Apple Motion 5.1.1 User Manual

Page 330

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Chapter 9

Behaviors

330

The following image shows how longitude and latitude relate to the Spin HUD control.

Y

X

Z

Latitude

Longitude

Latitude/Longitude: A dial, available when Axis is set to Custom, that specifies the axis
of rotation.

Controls in the HUD
The Spin behavior’s HUD controls include an outer ring and an inner control. Drag along the
edge of the outer ring to manipulate an arrow that indicates the direction and speed the object
spins. Adjust the length of the arrow to change the speed at which the spinning occurs—drag
around multiple times to increase the rate of the spin.

The inner arrow controls the axis about which the object or group spins. When you drag the
inner controls, a globe control becomes available to adjust the object’s spin in degrees longitude
and latitude.

Note: You can spin the arrow around the ring multiple times to rotate the object more quickly.

Controls direction

and speed of spin

Throw

The Throw behavior is the simplest way to set an object in motion. Controls let you adjust
the speed and direction of a single force that’s exerted on the object at the first frame of the
behavior. After this initial force is applied, the object continues drifting in a straight line at the
same speed, for the duration of the Throw behavior.

A simple example of using the Throw behavior is to send a series of offscreen objects moving
across the screen. When used in conjunction with other behaviors such as Grow/Shrink
and Fade In/Fade Out, you can create sophisticated moving elements without keyframing a
single parameter.

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