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Show HN: Scroll bar scuba dude swimming as you scroll
Hi! Instead of a boring scrollbar I made a scuba dude that swims down the page when you scroll.<p>The idea came from nostalgia; remember SkiFree game on Windows? I wanted a skier skiing down my site. Building the skier mechanics in pure javascript turned out to be difficult so I started with a runner, added a santa hat, and recently built scuba buddy.<p>You can try it directly as soon as you start to scroll down the page, and see the other animations with the "Change Animation" button.<p>Technical details: entirely javascript, takes scroll depth value (window.scrollY) and inputs that into math.sin() functions. This lets CSS (transform: rotate() property) create rotations of the various stick-figure's html elements, giving the character animation based on the input which is a user scrolling. It is pretty cumbersome to sync correctly when building the animations. It's difficult to get the upper and lower arms / legs to stay connected and have the animation transitions appear smooth.<p>Posted the runner about year ago here on hn. <a href="https://news.ycombinator.com/item?id=43237581">https://news.ycombinator.com/item?id=43237581</a><p>Should I re-try the skiier or something else? Thank for checking it out!
This project is a creative UI novelty rather than a venture-scale business, lacking a clear market, monetization strategy, or defensible moat. While it demonstrates front-end ingenuity and persistence, it functions as a niche widget with significant accessibility and performance risks that limit its commercial viability.