Vacation Stripes: Title Sequence with Custom Eases

Topics Covered in This After Effects Tutorial:

Master essential animation techniques including precise audio length and volume editing, separating X & Y position properties for independent control, creating custom eases with the Graph Editor and keyframe velocity adjustments, and using Alpha Mattes to create sophisticated text reveal animations.

Exercise Preview

Exercise Overview

In this comprehensive exercise, you'll craft a cinematic title sequence for a vacation documentary set in an island paradise. This project will deepen your understanding of motion design fundamentals as you customize easing curves using the Graph Editor and fine-tune keyframe velocity for natural movement. You'll also master Alpha Matte techniques to create the striking illusion of text emerging from behind animated elements—a technique widely used in professional motion graphics and broadcast design.

Previewing What You'll Make in This Exercise

1. On the Desktop, navigate to Class Files > After Effects Level 2 Class > Vacation Stripes > Finished Clips and double–click Vacation-Stripes-Title-Sequence.mov.

2. Study the animation carefully and observe these key motion design principles in action:

   • A light gray vertical line descends with sophisticated easing—beginning slowly with minimal velocity, then accelerating as gravity would naturally pull it into its final position.
   • The word "my" emerges from behind the line with precise timing, animating smoothly from right to left just as the line settles.
   • Subsequent text elements follow the same reveal pattern but move from left to right, creating visual balance while maintaining continuous motion throughout the sequence.
   • Frame-by-frame analysis reveals how each text animation employs custom easing curves—starting with mechanical precision to reveal consistent amounts of text, then gradually decelerating to a natural stop. This technique creates the polished look expected in professional motion graphics.
     

3. Review the video multiple times to internalize the timing relationships—we'll be recreating this exact sequence while learning the underlying principles. Keep the reference open throughout the exercise for comparison.

Getting Started

Let's establish our project foundation and configure After Effects for optimal performance during this animation-heavy exercise.

1. If After Effects isn't already running, launch it now.

2. To streamline your workflow, we've prepared a starter project containing all necessary assets. In After Effects, go to File > Open Project.

3. Navigate to Desktop > Class Files > After Effects Level 2 Class > Vacation Stripes, and double–click Island Vacation Started.aep to open it.

4. Immediately save your working version by going to File > Save As > Save As.

5. Navigate to Class Files > After Effects Level 2 Class > Vacation Stripes if you aren't already there. Name the project yourname-Island Vacation.aep and click Save.

6. Create your main composition by going to Composition > New Composition. Alternatively, click the prominent New Composition button in the Composition panel (introduced in CC 2018 for faster project setup).

7. Configure these specific settings to create our custom widescreen format optimized for modern video platforms:

   Composition Name:	Vacation-MAIN
   Preset:	HDTV 1080 29.97 (establishes proper width and frame rate foundation)
   Lock Aspect Ratio:	Uncheck to allow custom height adjustment
   Height:	746 px (creates cinematic widescreen format; preset automatically changes to Custom)
   Resolution:	Full
   Duration:	0;00;33;00
   Background Color:	Black

8. Click OK to create your composition.

Editing Audio Length & Volume

Professional motion graphics always begin with proper audio foundation. We'll import and optimize the soundtrack to ensure perfect synchronization with our animated elements.

1. In the Project panel (top left), expand the Assets folder by clicking the arrow beside it.

2. Drag Pumping-Irie.mp3 from Assets directly into the Timeline at the bottom of your interface.

3. To make informed editing decisions, we need to visualize the audio structure. Select the [Pumping-Irie.mp3] layer and press LL (two consecutive L presses) to reveal the waveform display.

4. Analyze the waveform pattern—notice the significant amplitude drop (valley) near the beginning, indicating low audio content that will create a weak opening:

   

5. Professional practice demands removing dead audio space for maximum engagement. Double–click [Pumping-Irie.mp3] in the Timeline to open it in the Layer panel (replacing the Composition panel temporarily).

6. In the Layer panel's bottom timeline section, you'll see precise controls for In point , Out point , and Duration . Execute these steps:

   • Hold Cmd (Mac) or Ctrl (Windows) while dragging the playhead to 3;01—this timing places us just before a musical peak and at the start of a compelling riff. For precise positioning, click the Preview Time field , type 301, and press Return (Mac) or Enter (Windows).
   • This represents an ideal entry point that immediately engages viewers, so click Set IN point to current time .

7. Set the outro point by clicking the Preview Time field , entering 3529, and pressing Return (Mac) or Enter (Windows) to jump to 35;29.

8. Click Set OUT point to current time to establish a clean ending point during a natural audio valley.

9. Return to your Timeline beginning to prepare for audio level optimization.

10. Locate the Audio panel (top right, adjacent to the Info panel). If it's not visible, access it via Window > Audio. This panel is essential for professional audio monitoring.

11. Monitor the Audio panel's colored vertical meter while pressing Ctrl–Period (Mac) or Period key on the numeric keypad (Windows) to preview audio only.

    Critical observation: When audio levels peak at the top of the meter (reading 0), you're experiencing dangerous clipping. Audio scales use negative values, where 0 represents maximum before distortion.

12. Prevent audio distortion by adjusting the middle slider in the Audio panel downward to approximately –8 dB (corresponding to –19 on the colored meter):

    

13. Your target: audio levels dancing around –9dB for optimal headroom. Test your adjustment by pressing Ctrl–Period (Mac) or Period on numeric keypad (Windows) while monitoring the Audio panel—much more professional!

14. Implement proper layer management by selecting [Pumping-Irie.mp3] in the Timeline and pressing Return (Mac) or Enter (Windows). Type audio and confirm with another Return (Mac) or Enter (Windows).

15. Protect your audio work by clicking in the Lock column next to the audio layer name, preventing accidental modifications.

16. Collapse the audio layer properties to maintain optimal After Effects performance—expanded waveforms can slow down timeline navigation significantly.

Animating the Vertical Line's Position

Now we'll create the foundation animation that drives the entire sequence—a vertical line that descends with natural, physics-inspired motion.

1. Access the pre-built title elements from our imported project structure. In the Project panel (top left), navigate through the folder hierarchy using the arrows to expand Imported AEPs > Text Cards.aep.

2. Drag 01-title-PC from the Text Cards.aep hierarchy directly into your Timeline, positioning it below the protected audio layer.

3. Access the editable composition by double–clicking the [01-title-PC] layer in your Timeline, which opens both the visual elements in the Composition panel and creates a new Timeline tab for editing.

4. In the newly opened 01-title-PC tab, examine the pre-constructed text and shape layers. Verify that the BG (background) layer remains hidden (its eye icon should be disabled).

5. Select the animation-ready layers by clicking Vertical Line and Shift–clicking down to in island paradise. This selects layers 1–4 simultaneously for efficient property modification.

6. Implement dimensional separation for precise animation control—a professional technique that allows independent X and Y axis animation:

   • Press P to reveal all selected layers' Position properties simultaneously.
   • Cmd–click (Mac) or Ctrl–click (Windows) each layer's Position property to select all four position controls.
   • Ctrl–click (Mac) or Right–click (Windows) on any Position label and select Separate Dimensions—this splits each position into independent X Position and Y Position controls.

7. Clear the property selection by clicking in an empty Timeline area, then collapse all layers except Vertical Line using the collapse arrows for focused editing.

8. Since the line already sits in its final position, we'll employ reverse animation workflow—starting from the end state and working backward. Position your playhead at 0;20 (the animation's conclusion).

9. Create the final keyframe by clicking the stopwatch icon next to Vertical Line's Y Position (currently 414), which generates your first keyframe .

10. Move to the animation start by positioning your playhead at 0;00.

11. Create the dramatic entrance by changing Y Position to –52, positioning the line completely above the composition frame. This automatically generates a second keyframe and establishes your animation range.

12. Optimize your preview settings for efficient workflow. In the Preview panel (right side), locate the controls near the bottom (expand the panel if necessary by dragging its bottom edge).

13. Configure these professional preview settings for optimal performance:

    • Set Shortcut to Spacebar for quick preview access.
    • Ensure both Video and Audio icons are blue (active) under Include.
    • Turn off Show overlays and layer controls for cleaner preview.
    • Disable Cache Before Playback for immediate preview response.
    • Set Range to Work Area for focused preview control.
    • Configure Play From to Start Of Range for consistent preview behavior.
    • Set Skip to 0 to preview every frame without dropping any.
    • Choose Auto for Resolution to maintain your composition's Full resolution setting.

14. Test your basic animation by clicking the Play button in the Preview panel. Notice how the motion feels robotic and mechanical—this linear movement lacks the natural physics we observe in real-world objects.

    Professional tip: Use Spacebar for quick playback control, or click Stop to halt preview.

Customizing an Ease Using the Graph Editor & Keyframe Velocity

The mechanical motion we just created rarely exists in nature. Real objects accelerate and decelerate based on physics—gravity, air resistance, and momentum all influence movement. After Effects provides sophisticated tools to simulate these natural forces through custom easing curves.

Those diamond-shaped keyframes represent linear interpolation—constant velocity between keyframes. Professional animation demands more sophisticated motion curves that reflect how objects actually move in physical space. Let's transform this mechanical animation into something that feels natural and engaging.

1. Isolate the animation property by selecting the Vertical Line layer and pressing U repeatedly until only the animated Y Position property remains visible. This focused view eliminates distractions during precision work.

2. Select both keyframes simultaneously by dragging a selection rectangle around them in the Timeline's keyframe area.

3. Apply intelligent easing by going to Animation > Keyframe Assistant > Easy Ease or using the professional shortcut F9. This immediately transforms linear motion into curved motion with automatic ease-in and ease-out.

4. Visualize the motion curve mathematics using the Graph Editor—After Effects' most powerful animation tool. Click its icon in the Timeline's upper section:

   

5. Configure the Graph Editor for optimal curve editing by setting these bottom panel controls (left to right):

   • Click the eye menu and select Show Selected Properties for focused editing.
   • Click Choose graph type and options and ensure Edit Value Graph is selected—this provides more intuitive curve editing than the Speed Graph alternative.
   • If the Transform Box icon