Tutorial: Bouncing Ball Exercise in Adobe After Effects
Objective: In this tutorial, you'll learn how to create a simple animation of a bouncing ball in Adobe After Effects. This exercise will help you practice keyframe animation, timing, and easing techniques.
Instructions:
- Set Up Your Composition:
- Open Adobe After Effects and create a new composition. (
Ctrl + N
) - Set the dimensions, frame rate, and duration according to your preference.
- Open Adobe After Effects and create a new composition. (
- Import Assets:
- Import a simple shape or image of a ball into your project. You can use the Ellipse Tool (
Q
) to create a circle shape layer.
- Import a simple shape or image of a ball into your project. You can use the Ellipse Tool (
- Add Background and Floor (Optional):
- Create a new layer with a solid gradient to serve as the background. (
Ctrl + Y
) - Create a white shape or solid layer to represent the floor where the ball will bounce.
- Create a new layer with a solid gradient to serve as the background. (
- Create the Bouncing Animation:
- Position the ball at the top of the composition.
- Add a keyframe for the ball's position property. (
P
) - Move the playhead to a later point in time and adjust the ball's position downward to simulate the first bounce.
- Add another keyframe for the new position. (
Ctrl + Shift + K
) - Repeat this process to create additional bounces until the ball comes to rest.
- Adjust Timing and Easing:
- Experiment with the timing between keyframes to achieve a natural-looking bounce.
- Use easing options such as Easy Ease (
F9
) or Easy Ease Out (Shift + F9
) to add smoothness to the animation. - Adjust the speed graph in the Graph Editor (
Ctrl + 8
) to fine-tune the velocity of the ball's movement.
- Add Secondary Motion (Optional):
- To enhance realism, consider adding secondary motion effects such as squash and stretch as the ball bounces.
- Create keyframes for the scale property of the ball layer at keyframes where it hits the ground. Decrease the scale slightly on impact and increase it as the ball rebounds.
- Add X-Axis Movement (Optional):
- Create keyframes for the position property of the ball layer to add horizontal movement. (
Alt + Shift + P
) - Shift the position of the ball to the left or right to simulate movement along the x-axis.
- Create keyframes for the position property of the ball layer to add horizontal movement. (
- Add Matte and Rotation (Optional):
- Create a matte layer to mask the ball's movement, giving the illusion of it rolling on a surface.
- Apply rotation keyframes to the ball layer to make it rotate as it moves and bounces.
- Preview and Refine:
- Preview your animation frequently to assess the movement and make adjustments as needed. (
Spacebar
to play/pause) - Pay attention to the spacing and timing of the bounces to ensure a convincing result.
- Preview your animation frequently to assess the movement and make adjustments as needed. (
Video tutorials
If you prefer video tutorials, check out the following resources: