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Introduction
This is the difference we will feel, two texts moving with the same distance and time, one stiff because it's linear, and the other smooth and natural thanks to ease-in. Let's get started. Hello, welcome back to the complete Adobe After Effects series from Cerdas Inovasi Digital. In this fourth module, we're discussing ease-in, which is how speed changes between keyframes. Real objects don't move at a constant speed or stop abruptly, they accelerate and decelerate. We'll start with ease-in.
Step 1: Two texts with linear animation
Create a composition from the speedboat footage. Create a blue sea text at the top and a green island text at the bottom. Animate both of them, at second 0, position outside the left, at second 2, in the middle of the screen. Both animations are currently identical and of linear type.
Step 2: Feeling linear motion
Play the preview. Both texts move at a constant speed and then abruptly stop in the middle, like hitting a wall. Notice the points along the motion path, the distance is evenly spaced from start to end, the speed indicator doesn't change.
Step 3: Easy Ease with F9
Select both keyframes of the green island text, then press F9. The keyframe icon changes from a diamond shape to a sandglass shape. That's ease-in. The motion starts slowly, speeds up in the middle, then slows down before stopping.
Step 4: Comparing
Play it again. The top text is still stiff, while the bottom text slides and lands softly. Look at the motion path, the points are dense at the start and end, and spread out in the middle. Dense means slow, spread out means fast. Ease-in can be applied partially.
Step 5: Easy Ease In and Out
Select the first keyframe of the blue sea text and press Ctrl-Shift-F9 for ease-in out, meaning to exit the keyframe slowly. Select the second keyframe and press Shift-F9 for ease-in in. Enter the keyframe by slowing down. The icon is shaped like half a sandglass.
Step 6: Final result
Play the preview again. Both texts are now smooth. Get used to pressing F9 after creating keyframes. Almost all professional animations use easing, and this is the simplest step to make movements feel natural.
Done!
Done. We have compared linear and ease-in, using F9, Shift-F9 for ease-in, and Ctrl-Shift-F9 for ease-out, as well as reading the distance between points on the motion path. In the next episode, we will open the graph editor to visually see the speed. Need a promotional video, logo animation, motion graphics for social media, or visual effects for short films? Cerdas Inovasi Digital provides motion graphics and visual effects services, as well as After Effects courses from beginner to advanced. Want to master the entire series, 104 episodes from the interface to the final project? All episodes, complete with PDF step-by-step guides, source footage, and project scripts, are available for premium tutorial subscribers. Subscribe starting at Rp69.000 per month, save 28% with the 12-month package. Or pay once Rp999.000 for lifetime access. Want a single class only? Buy a single class with lifetime access. Subscribe now at the premium page cerdasinovasidigital.com Contact us via WhatsApp, or visit cerdasinovasidigital.com Thank you for watching, see you in the next episode. Thank you for watching, see you in the next episode.
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Cerdas Inovasi Digital Team
Software developers, BIM & 3D engineers, and AI practitioners
52 video classes1,276 episodes
We build software, BIM models, games and AI automations for clients every day, and turn that hands-on work into step-by-step classes: every step is shown on screen and comes with a PDF guide you can keep.
