# 2D Trail

<a href="/demos/2d_trail.html">Play Demo</a>

Demonstrates:
  - Trail2D as a child of a moving Node2D
  - Configurable length, width, colour gradient, and lifetime
  - Multiple trails with different visual settings
  - Toggle emission on/off with Space

Run: uv run python packages/graphics/examples/2d_trail.py

Controls:
    Space   - Toggle trails on/off
    Escape  - Quit

## Source Code

```{literalinclude} ../../packages/graphics/examples/2d_trail.py
:language: python
:linenos:
```