An Image Ditched Its Marquee Animation (Then Hijacked Horizontal Scroll Instead)

Summary

In this video, the creator demonstrates how to rebuild a unique marquee transition effect with GSAP's ScrollTrigger and Flip plugins. The effect starts with a smooth horizontal scroll and transforms a pinned image into a full-screen intro, leading into a horizontal scrolling experience. Detailed explanations of HTML structure, CSS styling, and JavaScript animations are provided, alongside techniques for managing scroll-based transitions. The tutorial walks viewers through the process of creating a seamless, scroll-driven animation, offering a creative and innovative approach to modern web design.

Takeaways

• 😀 **Understanding ScrollTrigger**: The ScrollTrigger plugin is used to control the scroll-driven animation sequence across multiple sections, including smooth transitions and background color changes.
• 😀 **Image Marquee Setup**: The script starts with an image marquee where images move horizontally, setting the stage for a more complex scrolling effect.
• 😀 **Pinning the Image**: A key image is pinned during the scroll sequence to ensure it remains in place while other elements move horizontally in sync with the scroll.
• 😀 **Using GSAP for Animations**: GSAP (GreenSock Animation Platform) handles the majority of the animation work, allowing smooth transitions based on scroll position.
• 😀 **Leverage of Flip Plugin**: The Flip plugin is applied to animate layout changes smoothly, particularly when transitioning an image from the marquee to a full-screen position.
• 😀 **Percentage-based Movement**: The script works with percentage-based measurements relative to the container, ensuring elements move in sync and land perfectly during scroll interactions.
• 😀 **Scroll-Driven Image Transformation**: The pinned image is transformed into a full-screen view as the user scrolls, with precise control over the transition using GSAP and ScrollTrigger.
• 😀 **Interactive Horizontal Scroll**: After the image is pinned, the scroll transitions to a horizontal layout, providing an immersive, dynamic experience.
• 😀 **Smooth Scroll Experience**: The use of Lennis for smooth scrolling control ensures a seamless interaction, improving user experience as elements smoothly shift during scroll events.
• 😀 **Final State Snap**: When the scroll progresses beyond 95%, the animation sequence snaps everything into its final state, locking elements in place and eliminating any last-minute jitter.

Q & A

What makes the scroll-driven animation in this project unique?

The animation is unique because it combines multiple advanced scroll effects, including a marquee transition that seamlessly morphs into a horizontal scroll. The transition features a cloned image that pins itself and then transforms into a full-screen image, creating a smooth and creative animation flow.

Why is the 'pin' class important in the marquee section?

The 'pin' class is used to identify a specific image that will behave differently from the others. When this image reaches the center of the viewport, it gets cloned, and the clone is used to transition into a full-screen image during the horizontal scroll section.

How does the GSAP Flip plugin contribute to the animation?

The GSAP Flip plugin is used to smoothly animate the layout changes when the pinned image transitions from the marquee to a full-screen image. It enables smooth transformations by recording the current position and state of elements and then animating them to the new state.

What role does the ScrollTrigger plugin play in this project?

The ScrollTrigger plugin is used to synchronize the animations with the scroll position. It enables the trigger of animations as the user scrolls down, such as animating the marquee images, pinning the image, and triggering the horizontal scroll effect.

Why is the marquee wrapper rotated, and how does it affect the animation?

The marquee wrapper is rotated slightly to give the images a more dynamic and engaging appearance as they scroll horizontally. This rotation adds visual movement and helps create the effect of images drifting at an angle, which adds to the overall fluidity of the animation.

What is the significance of the horizontal scroll section having a width of 300%?

The horizontal scroll section has a width of 300% to accommodate three full viewport-width slides. This allows the scroll effect to move the content horizontally as the user scrolls, revealing different sections one after the other.

Why is there a need to clone the pinned image during the animation?

The clone of the pinned image is necessary because it allows the image to remain fixed in place while the rest of the marquee section moves. This clone is then transitioned into a full-screen version, creating the illusion that the image is transforming as the scroll progresses.

What happens when the scroll reaches 95% of the horizontal scroll section?

At 95% of the horizontal scroll section, the entire animation is locked into its final state. The pinned image is moved off-screen, and the horizontal scroll wrapper is locked in place. This ensures no jitter or misalignment and provides a clean, completed transition.

How does the smooth scrolling effect enhance the user experience?

The smooth scrolling effect is achieved using the Lenis library, which makes the scrolling feel more natural and fluid. It smooths out the transitions between different scroll-triggered animations, reducing abrupt shifts and making the experience more seamless.

What happens to the layout when the user scrolls back up past the marquee section?

When the user scrolls back up past the marquee section, the clone of the pinned image is removed, and the original image is restored to its previous position. This ensures that the layout resets properly, allowing for the transition to occur smoothly when scrolling down again.