# {py:mod}`simvx.core.backend`

```{py:module} simvx.core.backend
```

```{autodoc2-docstring} simvx.core.backend
:allowtitles:
```

## Module Contents

### Classes

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`RenderBackend <simvx.core.backend.RenderBackend>`
  - ```{autodoc2-docstring} simvx.core.backend.RenderBackend
    :summary:
    ```
* - {py:obj}`Renderer2D <simvx.core.backend.Renderer2D>`
  - ```{autodoc2-docstring} simvx.core.backend.Renderer2D
    :summary:
    ```
* - {py:obj}`Renderer3D <simvx.core.backend.Renderer3D>`
  - ```{autodoc2-docstring} simvx.core.backend.Renderer3D
    :summary:
    ```
````

### API

`````{py:class} RenderBackend
:canonical: simvx.core.backend.RenderBackend

Bases: {py:obj}`typing.Protocol`

```{autodoc2-docstring} simvx.core.backend.RenderBackend
```

````{py:method} init(width: int, height: int, title: str) -> None
:canonical: simvx.core.backend.RenderBackend.init

```{autodoc2-docstring} simvx.core.backend.RenderBackend.init
```

````

````{py:method} begin_frame() -> None
:canonical: simvx.core.backend.RenderBackend.begin_frame

```{autodoc2-docstring} simvx.core.backend.RenderBackend.begin_frame
```

````

````{py:method} end_frame() -> None
:canonical: simvx.core.backend.RenderBackend.end_frame

```{autodoc2-docstring} simvx.core.backend.RenderBackend.end_frame
```

````

````{py:method} render_mesh(mesh: simvx.core.graphics.mesh.BaseMesh, material: simvx.core.graphics.material.BaseMaterial, model_matrix: object) -> None
:canonical: simvx.core.backend.RenderBackend.render_mesh

```{autodoc2-docstring} simvx.core.backend.RenderBackend.render_mesh
```

````

````{py:method} cleanup() -> None
:canonical: simvx.core.backend.RenderBackend.cleanup

```{autodoc2-docstring} simvx.core.backend.RenderBackend.cleanup
```

````

````{py:attribute} __slots__
:canonical: simvx.core.backend.RenderBackend.__slots__
:value: >
   ()

````

````{py:method} __init_subclass__(*args, **kwargs)
:canonical: simvx.core.backend.RenderBackend.__init_subclass__
:classmethod:

````

`````

`````{py:class} Renderer2D
:canonical: simvx.core.backend.Renderer2D

Bases: {py:obj}`typing.Protocol`

```{autodoc2-docstring} simvx.core.backend.Renderer2D
```

````{py:method} draw_filled_rect(x: float, y: float, width: float, height: float, color: tuple[int, int, int, int]) -> None
:canonical: simvx.core.backend.Renderer2D.draw_filled_rect

```{autodoc2-docstring} simvx.core.backend.Renderer2D.draw_filled_rect
```

````

````{py:method} draw_line(x1: float, y1: float, x2: float, y2: float, color: tuple[int, int, int, int]) -> None
:canonical: simvx.core.backend.Renderer2D.draw_line

```{autodoc2-docstring} simvx.core.backend.Renderer2D.draw_line
```

````

````{py:method} draw_text(text: str, x: float, y: float, scale: float, color: tuple[int, int, int, int]) -> None
:canonical: simvx.core.backend.Renderer2D.draw_text

```{autodoc2-docstring} simvx.core.backend.Renderer2D.draw_text
```

````

````{py:method} text_width(text: str, scale: float) -> float
:canonical: simvx.core.backend.Renderer2D.text_width

```{autodoc2-docstring} simvx.core.backend.Renderer2D.text_width
```

````

````{py:attribute} __slots__
:canonical: simvx.core.backend.Renderer2D.__slots__
:value: >
   ()

````

````{py:method} __init_subclass__(*args, **kwargs)
:canonical: simvx.core.backend.Renderer2D.__init_subclass__
:classmethod:

````

`````

`````{py:class} Renderer3D
:canonical: simvx.core.backend.Renderer3D

Bases: {py:obj}`typing.Protocol`

```{autodoc2-docstring} simvx.core.backend.Renderer3D
```

````{py:method} render(camera_view_matrix: object, camera_projection_matrix: object) -> None
:canonical: simvx.core.backend.Renderer3D.render

```{autodoc2-docstring} simvx.core.backend.Renderer3D.render
```

````

````{py:attribute} __slots__
:canonical: simvx.core.backend.Renderer3D.__slots__
:value: >
   ()

````

````{py:method} __init_subclass__(*args, **kwargs)
:canonical: simvx.core.backend.Renderer3D.__init_subclass__
:classmethod:

````

`````