Join Ran Ben Avraham for an in-depth discussion in this video Expression linking the sphere’s squash and stretch animation, part of After Effects: Bouncing Animated 3D Sphere.
- Our next step will be to complete the squash and stretch…automation process.…For that we will first duplicate the z rotation slider…and rename it to squash and stretch.…Next we'll need to link the ty wimap…to the squash and stretch slider.…And to do that,…we'll repeat the process with duke in the previous chapter…where we connected the rotation by expression.…First of all, we'll lock the effect controls window.…
So that it won't switch between layers.…Next, we'll click hold on the 3D sphere composition tab,…tear it out, and paste it onto the view port.…We can close the texture map…and since the time remap is already selected here,…all we'll need to do is alt click…on the stopwatch.…And it doesn't matter that we have key frames here…pick whip and select the squash and stretch slider.…
Let's close the 3D sphere composition…or simply drag it to it's original location…an we can unlock the effect controls window…and move to the main composition.…And now, even though we are in one second…down the timeline,…the sphere is stretched as if we are in zero seconds…
This is a project-based learning experience. Each step of the process is rich with object lessons that are applicable to the variations that a motion design and compositing artist will face in the real world.
- Creating a sphere
- Adding reflections and color correction
- Creating squash and stretch animation
- Expression linking a sphere's rotation properties
- Connecting a sphere to a position null
- The bounce-decay-stop expression
- Animating the position and rotation
- Animating the sphere color map
- Creating an automated shadow