# Node tree text demo

3D cubes with text textures + 2D text overlay + Japanese text.

```{raw} html
<a class="example-run-button" href="../demos/features_3d_text.html">▶ Run in browser</a>

```

**Tags:** `3d`

Validates:
  - Node tree → SceneAdapter → Renderer pipeline
  - Camera3D view/projection matrices (row-major, Y-flipped)
  - MeshInstance3D model_matrix with quaternion rotation
  - Text2D overlay bridged to MSDF text renderer
  - Lazy glyph loading for Japanese characters
  - Text-as-texture on 3D geometry via Engine.create_text_texture()

Controls:
    ESC: Quit

Run with:
    uv run python examples/features/3d/text.py

## Source

```{literalinclude} ../../examples/features/3d/text.py
:language: python
:linenos:
```