# Planet Explorer

Infinite procedural flyover with terrain and day/night cycle.

```{raw} html
<a class="example-run-button" href="../demos/demos_planet_explorer.html">▶ Run in browser</a>

```

**Tags:** `3d` `procedural` `camera` `terrain` `particles`

A visually stunning, relaxing infinite-world flyover showcasing procedural
terrain with biome colouring, water, clouds, full day/night cycle, aurora
borealis, meteors, lightning, and atmospheric effects. Screensaver-grade
visual showcase of the engine's 3D rendering capabilities.

Controls:
    Up/Down Arrow    Accelerate / decelerate
    Left/Right Arrow Turn (yaw)
    Click + Drag     Horizontal = turn, vertical = speed (web/mobile)
    Space            Toggle auto-fly (gentle S-curve turns)
    T                Cycle time speed (1x / 4x / 16x)
    Escape           Quit

## Source

```{literalinclude} ../../examples/demos/planet_explorer.py
:language: python
:linenos:
```