Marble Run, a 3D physics sandbox in the browser that exports real MP4
Project Details
I built this one myself. No signup, no payment, it all runs in the browser. You place ramps, walls, pegs, spinners, boxes and balls on a lit 3D wall, press play, and a real rigid body simulation runs. Export a 9:16 MP4 with sound when a run feels right. Two details that mattered more than I expected. The export is a real MP4 encode, not a screen recording, because a screen recording of 3D looks flat and the audio never lines up with the impacts. And the whole thing runs client side, so there is
Similar Projects
I built a 24/7 radio station that mixes music in real time
Listen to MixPerfect Radio: a 24/7 non-stop Italo Disco & Eurodance DJ mix with seamless t...
Solo dev, no servers of my own, in a hobby (LEGO) that already has some different apps like mine. Be
Available on iOS
Video clip maker/editor right in your browser. Just drop in youtube link, cut a clip and edit it.
Cut your clips and sound into one short video, right on your device.
I got fed up with social media software becoming giant marketing suites, so I built the scheduler I
Schedule and publish social media posts with AI. Postdom is the fast, modern social media...
Cloud-based Coding Plugin: Real-time Optimization Suggestions from AI Models for Your Web Pages
工作台开任务、跑云端 Agent，浏览器插件对着真实页面提优化建议。租户 RBAC、GitLab SSO、KYC...
I got tired of rewriting my work history for every job application, so I built a tool that does it f
JobJet cuts the repetitive work out of job searching without uploading your resume or trac...
