Quick answer
A simplified gravity simulator for Android, built with libgdx.
F-Droid repository metadata
Controls
Touch gestures supported:
Single tap:
If panning is enabled, follow the tapped particle.
Otherwise, create a new particle.
Double tap: Put camera focus on a particle.
Pinch: Zoom the view.
Panning / Dragging:
If panning is enabled, it will pan the view.
Otherwise, it will create a particle with momentum.
Option bar:
Small, Medium, Large buttons: Choose a particle size.
Pan / Follow button: Toggle between panning/following or sling-shotting particles.
Settings menu (cog icon):
Pause: Toggle pause. Particle trails: Show / don't show. Collision mode: Bounce / merge particles. Reset zoom: Resets the zoom to default. Reset particles: Removes all the particles from the field.
Screenshots
How to install
- Download the APK from the button at the top of this page.
- Allow “Install unknown apps” for your browser or file manager only, not for every app.
- Open the downloaded file and confirm the installation.
- If installation fails with “App not installed,” remove an earlier build of the same app first. A signature conflict is the usual cause.
Data safety
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- Files are scanned for malware on every update.
- The permissions each app requests are listed on its own page.
- Read the full safety policy for how we test, flag, and delist files.
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