2011

This example has two parts. First you'll set up the display and then you'll
create the animation.
NOTE It is assumed that you currently have a Player, Schematic, and Composition
Browser open. With the focus on Schematic, use Ctrl + N (Windows and Linux)
or Cmd + N (Mac OS) to create a new composition.
Before you begin, make sure that you set the Player display settings as follows.
To set Player display settings for Reaction:
1 Open the Gate UI and swipe south to display the Player options.
The Player control panel is displayed across the bottom of the screen. By
default the Display tab is selected and you can immediately access the
display settings and options.
2 Select Tool Output to view the results of the Reaction composition in the
Player.
3 Under Guides, select Frame Outline.
4 Under Reaction, select Interactivity.
To create an animation in Reaction using expressions:
1 From the Tools tab, drag the Reaction tool to the dependency graph in
the Schematic view, and connect it to the Output node.
NOTE Usually, before you composite or add effects such as an animation in
Reaction, you typically set the background. The background is the rendering
plane for the composition and sets the format. If you connect a Reaction tool
to an image or tool output in an existing dependency graph, the background
is set automatically. You can change the background at any time.
2 Select the Reaction tab.
3 In the Player controls, change the composition's total number of frames
to 100.
742 | Chapter 31 Expressions