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Since you can add as many channels to the channel list of Xpressionist, you can add channels from different objects to control them with one expression.
1. Create a cube with the size of 1,1,1 and name it "Cube".
2. Create a cone with a height of 1 and a radius of 0.5, place it at x = 2, and name it "Cone".
3. Go to the Xpressionist channel tab and add the Y scale channel of Cube and Cone to the channel list.
4. Type this expression
Cube.YScale = ( time * 2 ) + 1;
Cone.YScale = ( time * 2 ) + 1;
Both objects will scale along the Y axis at the same rate. You can add as many different object channels as you like to the Active Channels list and control every object individually with one single expression.
Change the expression to this:
Cube.YScale = ( time * 2 ) + 1;
Cone.YScale = ( time * 6 ) + 1;
Now the cone will scale three times as fast as the cube.
Using rotation channels instead, you could for example easily setup a clock with the different rotating hands with very simple equations.
Summary
In this section, you learned that you:
- can control as many animation channels from different objects as you like with one expression
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