# {py:mod}`simvx.core.nodes_3d.multimesh`

```{py:module} simvx.core.nodes_3d.multimesh
```

```{autodoc2-docstring} simvx.core.nodes_3d.multimesh
:allowtitles:
```

## Module Contents

### Classes

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

* - {py:obj}`MultiMesh <simvx.core.nodes_3d.multimesh.MultiMesh>`
  - ```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMesh
    :summary:
    ```
* - {py:obj}`MultiMeshInstance3D <simvx.core.nodes_3d.multimesh.MultiMeshInstance3D>`
  - ```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMeshInstance3D
    :summary:
    ```
````

### API

`````{py:class} MultiMesh(mesh=None, instance_count: int = 0)
:canonical: simvx.core.nodes_3d.multimesh.MultiMesh

```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMesh
```

```{rubric} Initialization
```

```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMesh.__init__
```

````{py:attribute} __slots__
:canonical: simvx.core.nodes_3d.multimesh.MultiMesh.__slots__
:value: >
   ('mesh', 'instance_count', 'transforms', 'colours', 'custom_data', '_dirty', '_colour_materials')

```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMesh.__slots__
```

````

````{py:method} set_instance_transform(index: int, transform: numpy.ndarray) -> None
:canonical: simvx.core.nodes_3d.multimesh.MultiMesh.set_instance_transform

```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMesh.set_instance_transform
```

````

````{py:method} set_instance_colour(index: int, colour: tuple[float, ...]) -> None
:canonical: simvx.core.nodes_3d.multimesh.MultiMesh.set_instance_colour

```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMesh.set_instance_colour
```

````

````{py:method} set_instance_custom_data(index: int, data: tuple[float, ...] | numpy.ndarray) -> None
:canonical: simvx.core.nodes_3d.multimesh.MultiMesh.set_instance_custom_data

```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMesh.set_instance_custom_data
```

````

````{py:method} set_all_transforms(transforms: numpy.ndarray) -> None
:canonical: simvx.core.nodes_3d.multimesh.MultiMesh.set_all_transforms

```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMesh.set_all_transforms
```

````

````{py:method} set_all_colours(colours: numpy.ndarray) -> None
:canonical: simvx.core.nodes_3d.multimesh.MultiMesh.set_all_colours

```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMesh.set_all_colours
```

````

````{py:method} set_all_custom_data(data: numpy.ndarray) -> None
:canonical: simvx.core.nodes_3d.multimesh.MultiMesh.set_all_custom_data

```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMesh.set_all_custom_data
```

````

````{py:method} set_buffer(transforms: numpy.ndarray) -> None
:canonical: simvx.core.nodes_3d.multimesh.MultiMesh.set_buffer

```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMesh.set_buffer
```

````

````{py:method} set_instance_count(count: int) -> None
:canonical: simvx.core.nodes_3d.multimesh.MultiMesh.set_instance_count

```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMesh.set_instance_count
```

````

````{py:method} resize(new_count: int) -> None
:canonical: simvx.core.nodes_3d.multimesh.MultiMesh.resize

```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMesh.resize
```

````

`````

`````{py:class} MultiMeshInstance3D(position=None, rotation=None, scale=None, **kwargs)
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D

Bases: {py:obj}`simvx.core.nodes_3d.node3d.Node3D`

```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMeshInstance3D
```

```{rubric} Initialization
```

```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.__init__
```

````{py:attribute} multi_mesh
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.multi_mesh
:value: >
   'Property(...)'

```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.multi_mesh
```

````

````{py:attribute} material
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.material
:value: >
   'Property(...)'

```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.material
```

````

````{py:property} instance_count
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.instance_count
:type: int

```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.instance_count
```

````

````{py:property} visible_instance_count
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.visible_instance_count
:type: int

```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.visible_instance_count
```

````

````{py:property} model_matrix
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.model_matrix
:type: numpy.ndarray

```{autodoc2-docstring} simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.model_matrix
```

````

````{py:attribute} render_layer
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.render_layer
:value: >
   'Property(...)'

````

````{py:property} position
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.position

````

````{py:property} rotation
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.rotation
:type: simvx.core.math.types.Quat

````

````{py:property} scale
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.scale

````

````{py:property} rotation_degrees
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.rotation_degrees
:type: simvx.core.math.types.Vec3

````

````{py:property} world_position
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.world_position
:type: simvx.core.math.types.Vec3

````

````{py:property} world_rotation
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.world_rotation
:type: simvx.core.math.types.Quat

````

````{py:property} world_scale
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.world_scale
:type: simvx.core.math.types.Vec3

````

````{py:property} forward
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.forward
:type: simvx.core.math.types.Vec3

````

````{py:property} right
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.right
:type: simvx.core.math.types.Vec3

````

````{py:property} up
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.up
:type: simvx.core.math.types.Vec3

````

````{py:method} translate(offset: tuple[float, float, float] | numpy.ndarray)
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.translate

````

````{py:method} translate_global(offset: tuple[float, float, float] | numpy.ndarray)
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.translate_global

````

````{py:method} rotate(axis: tuple[float, float, float] | numpy.ndarray, angle: float)
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.rotate

````

````{py:method} rotate_x(angle: float)
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.rotate_x

````

````{py:method} rotate_y(angle: float)
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.rotate_y

````

````{py:method} rotate_z(angle: float)
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.rotate_z

````

````{py:method} look_at(target: tuple[float, float, float] | numpy.ndarray, up=None)
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.look_at

````

````{py:method} set_render_layer(index: int, enabled: bool = True) -> None
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.set_render_layer

````

````{py:method} is_on_render_layer(index: int) -> bool
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.is_on_render_layer

````

````{py:method} wrap_bounds(bounds: tuple[float, float, float] | numpy.ndarray, margin: float = 1.0)
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.wrap_bounds

````

````{py:attribute} strict_errors
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.strict_errors
:type: typing.ClassVar[bool]
:value: >
   True

````

````{py:attribute} script_error_raised
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.script_error_raised
:value: >
   'Signal(...)'

````

````{py:method} __init_subclass__(**kwargs)
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.__init_subclass__
:classmethod:

````

````{py:property} name
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.name
:type: str

````

````{py:property} process_mode
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.process_mode
:type: simvx.core.descriptors.ProcessMode

````

````{py:method} reset_error() -> None
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.reset_error

````

````{py:method} add_child(node: simvx.core.node.Node) -> simvx.core.node.Node
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.add_child

````

````{py:method} remove_child(node: simvx.core.node.Node)
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.remove_child

````

````{py:method} reparent(new_parent: simvx.core.node.Node)
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.reparent

````

````{py:method} get_node(path: str) -> simvx.core.node.Node
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.get_node

````

````{py:method} find_child(name: str, recursive: bool = False) -> simvx.core.node.Node | None
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.find_child

````

````{py:method} find(node_type: type, recursive: bool = True) -> simvx.core.node.Node | None
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.find

````

````{py:method} find_all(node_type: type, recursive: bool = True) -> list
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.find_all

````

````{py:property} path
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.path
:type: str

````

````{py:method} add_to_group(group: str)
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.add_to_group

````

````{py:method} remove_from_group(group: str)
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.remove_from_group

````

````{py:method} is_in_group(group: str) -> bool
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.is_in_group

````

````{py:method} ready() -> None
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.ready

````

````{py:method} enter_tree() -> None
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.enter_tree

````

````{py:method} exit_tree() -> None
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.exit_tree

````

````{py:method} process(dt: float) -> None
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.process

````

````{py:method} physics_process(dt: float) -> None
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.physics_process

````

````{py:method} draw(renderer) -> None
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.draw

````

````{py:method} input_event(event: simvx.core.events.InputEvent) -> None
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.input_event

````

````{py:method} input(event: simvx.core.events.TreeInputEvent) -> None
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.input

````

````{py:method} unhandled_input(event: simvx.core.events.TreeInputEvent) -> None
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.unhandled_input

````

````{py:method} start_coroutine(gen: simvx.core.descriptors.Coroutine) -> simvx.core.descriptors.CoroutineHandle
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.start_coroutine

````

````{py:method} stop_coroutine(gen_or_handle)
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.stop_coroutine

````

````{py:method} clear_children()
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.clear_children

````

````{py:method} destroy()
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.destroy

````

````{py:property} app
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.app

````

````{py:property} tree
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.tree
:type: simvx.core.scene_tree.SceneTree

````

````{py:method} get_tree() -> simvx.core.scene_tree.SceneTree
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.get_tree

````

````{py:method} __getitem__(key: str)
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.__getitem__

````

````{py:method} get_properties() -> dict[str, simvx.core.descriptors.Property]
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.get_properties
:classmethod:

````

````{py:method} __repr__()
:canonical: simvx.core.nodes_3d.multimesh.MultiMeshInstance3D.__repr__

````

`````