Show HN: Perlin Noise Terminal Animation in Rust (60 FPS, Truecolor)

Hacker News · Feb 15, 2026 · Collected from RSS

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Skip to content Navigation Menu AI CODE CREATIONGitHub CopilotWrite better code with AIGitHub SparkBuild and deploy intelligent appsGitHub ModelsManage and compare promptsMCP RegistryNewIntegrate external toolsView all featuresPricing Provide feedback Saved searches Use saved searches to filter your results more quickly Sign up Appearance settings Notifications You must be signed in to change notification settings Fork 0 Star 3 Folders and filesNameNameLast commit messageLast commit dateLatest commitHistory1 Commitsrcsrc.gitignore.gitignoreCargo.lockCargo.lockCargo.tomlCargo.tomlLICENSELICENSEREADME.mdREADME.mdREADMEMIT licenseperlin-terminal Beautiful Perlin noise animation for your terminal. Smooth, flowing gradients rendered in 24-bit truecolor using half-block characters for double vertical resolution. Features Truecolor rendering — Full 24-bit RGB color gradients Double vertical resolution — Uses ▀ half-block characters to render 2 pixels per cell Multiple color themes — Ocean, Fire, Aurora, Matrix Smooth animation — Multi-octave Perlin noise for organic, flowing motion 60 FPS — Optimized for smooth rendering Responsive — Handles terminal resize gracefully Clean exit — Ctrl+C / Q / Esc restores terminal state Install cargo install --git https://github.com/denisepattenson/perlin-terminal Or build from source: git clone https://github.com/denisepattenson/perlin-terminal cd perlin-terminal cargo build --release ./target/release/perlin-terminal Usage # Default ocean theme perlin-terminal # Fire theme perlin-terminal --theme fire # Aurora borealis perlin-terminal --theme aurora # Matrix-style green perlin-terminal --theme matrix # Customize noise and speed perlin-terminal --theme fire --scale 0.04 --speed 0.8 Options Flag Default Description -t, --theme ocean Color theme: ocean, fire, aurora, matrix -s, --scale 0.06 Noise scale (smaller = more zoomed in) --speed 0.4 Animation speed multiplier --fps 60 Target frames per second --seed 42 Perlin noise seed Controls Q or Esc — Quit Ctrl+C — Quit Themes 🌊 Ocean Deep navy → royal blue → teal → cyan. Calm and mesmerizing. 🔥 Fire Black → deep red → orange → yellow → white. Like staring into embers. 🌌 Aurora Purple → teal → green → pink. Northern lights in your terminal. 💚 Matrix Black → dark green → bright green. You know the one. Requirements A terminal with 24-bit truecolor support (most modern terminals) Rust 1.70+ License MIT