3D Terrain Generator
Procedural 3D terrain generation with Perlin noise, Diamond-Square, and other algorithms.
About 3D Terrain Generator
Twist a few sliders and watch a mountain range rise out of flat nothing. 3D Terrain Generator lets you sculpt procedural landscapes in real time, choosing between algorithms like Perlin noise and Diamond-Square to control how jagged, rolling, or alien your terrain looks. Every parameter change — frequency, amplitude, smoothing passes — rebuilds the mesh on the fly so you can see exactly what each setting does.
It runs on WebGL, so the 3D surface rotates and tilts fluidly in your browser. If you enjoy hands-on interactive experiments that make abstract math visible, this one delivers a satisfying feedback loop. For something similarly tactile but grounded in fluid physics, Fluid Simulation is worth a look alongside it.
No install, no account — just click and drag to orbit the camera, and start pulling at the noise parameters to find a landscape you want to keep.
How to use
This tool generates and displays procedural 3D terrain landscapes that you can explore and analyze. **Movement Controls:** • W/A/S/D - Move forward/left/back/right • R/F - Move up/down • Mouse - Look around • Q - Freeze movement **Generating Terrain:** • Use the control panel (appears automatically) to adjust terrain parameters • Change generation methods like Diamond-Square, Perlin noise, or fault lines • Modify height, frequency, and other settings • Terrain updates automatically as you change parameters **Features:** • Click "Analyze" button to view detailed terrain statistics and elevation data • A heightmap preview appears in the upper-left corner showing the terrain from above • Experiment with different algorithms to create mountains, valleys, plains, or abstract landscapes • Each generation method produces different terrain characteristics **Tips:** • Try different "heightmap" algorithms for varied terrain styles • Adjust "frequency" for terrain detail density • Modify "maxHeight" and "minHeight" for elevation range • Use the analytics panel to understand your terrain's mathematical properties The tool is designed for experimentation - try different combinations of settings to create unique procedural landscapes.
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