![]() ![]() The 'wiggle' function, in After Effects terminology, generates a random value at a set frequency. I implemented the expression 'wiggle(5,50)' on the 'Opacity' property of a star layer. However, through the use of expressions, I was able to manipulate the 'Opacity' property of the star layers. The requirement was to animate individual stars, creating a unique flicker for each to mimic the natural randomness in a night sky.Ī traditional approach to this task would involve the individual keyframing of each star, which is time-consuming and counterintuitive. ![]() ![]() By employing expressions, users can automate, orchestrate, and connect layer properties in an intricate manner, thereby delivering complex animations with relative ease.ĭrawing from personal experience, I found the utility of expressions distinctly transformative in a project that involved animating a starry night sky. Once you're familiar with the fundamentals of After Effects, namely layers, keyframes, and straightforward animations, the next aspect to delve into is mastering expressions.Įxpressions, in the context of After Effects, are JavaScript-based instructions that provide a more profound control over layer properties compared to conventional keyframes. Expressions in Adobe After Effects serve as a critical tool in enhancing the depth and dynamism of your animations.
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