594 lines
29 KiB
ReStructuredText
594 lines
29 KiB
ReStructuredText
:github_url: hide
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.. DO NOT EDIT THIS FILE!!!
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.. Generated automatically from Godot engine sources.
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.. Generator: https://github.com/godotengine/godot/tree/3.6/doc/tools/make_rst.py.
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.. XML source: https://github.com/godotengine/godot/tree/3.6/doc/classes/ArrayMesh.xml.
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.. _class_ArrayMesh:
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ArrayMesh
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=========
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**Inherits:** :ref:`Mesh<class_Mesh>` **<** :ref:`Resource<class_Resource>` **<** :ref:`Reference<class_Reference>` **<** :ref:`Object<class_Object>`
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:ref:`Mesh<class_Mesh>` type that provides utility for constructing a surface from arrays.
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.. rst-class:: classref-introduction-group
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Description
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-----------
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The **ArrayMesh** is used to construct a :ref:`Mesh<class_Mesh>` by specifying the attributes as arrays.
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The most basic example is the creation of a single triangle:
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::
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var vertices = PoolVector3Array()
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vertices.push_back(Vector3(0, 1, 0))
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vertices.push_back(Vector3(1, 0, 0))
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vertices.push_back(Vector3(0, 0, 1))
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# Initialize the ArrayMesh.
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var arr_mesh = ArrayMesh.new()
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var arrays = []
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arrays.resize(ArrayMesh.ARRAY_MAX)
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arrays[ArrayMesh.ARRAY_VERTEX] = vertices
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# Create the Mesh.
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arr_mesh.add_surface_from_arrays(Mesh.PRIMITIVE_TRIANGLES, arrays)
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var m = MeshInstance.new()
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m.mesh = arr_mesh
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The :ref:`MeshInstance<class_MeshInstance>` is ready to be added to the :ref:`SceneTree<class_SceneTree>` to be shown.
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See also :ref:`ImmediateGeometry<class_ImmediateGeometry>`, :ref:`MeshDataTool<class_MeshDataTool>` and :ref:`SurfaceTool<class_SurfaceTool>` for procedural geometry generation.
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\ **Note:** Godot uses clockwise `winding order <https://learnopengl.com/Advanced-OpenGL/Face-culling>`__ for front faces of triangle primitive modes.
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.. rst-class:: classref-introduction-group
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Tutorials
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---------
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- :doc:`../tutorials/3d/procedural_geometry/arraymesh`
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.. rst-class:: classref-reftable-group
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Properties
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----------
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.. table::
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:widths: auto
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+-------------------------------------------------+--------------------------------------------------------------------+------------------------------+
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| :ref:`BlendShapeMode<enum_Mesh_BlendShapeMode>` | :ref:`blend_shape_mode<class_ArrayMesh_property_blend_shape_mode>` | ``1`` |
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+-------------------------------------------------+--------------------------------------------------------------------+------------------------------+
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| :ref:`AABB<class_AABB>` | :ref:`custom_aabb<class_ArrayMesh_property_custom_aabb>` | ``AABB( 0, 0, 0, 0, 0, 0 )`` |
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+-------------------------------------------------+--------------------------------------------------------------------+------------------------------+
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.. rst-class:: classref-reftable-group
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Methods
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-------
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.. table::
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:widths: auto
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+-----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| void | :ref:`add_blend_shape<class_ArrayMesh_method_add_blend_shape>` **(** :ref:`String<class_String>` name **)** |
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+-----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| void | :ref:`add_surface_from_arrays<class_ArrayMesh_method_add_surface_from_arrays>` **(** :ref:`PrimitiveType<enum_Mesh_PrimitiveType>` primitive, :ref:`Array<class_Array>` arrays, :ref:`Array<class_Array>` blend_shapes=[ ], :ref:`int<class_int>` compress_flags=2194432 **)** |
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+-----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| void | :ref:`clear_blend_shapes<class_ArrayMesh_method_clear_blend_shapes>` **(** **)** |
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+-----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| void | :ref:`clear_surfaces<class_ArrayMesh_method_clear_surfaces>` **(** **)** |
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+-----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`int<class_int>` | :ref:`get_blend_shape_count<class_ArrayMesh_method_get_blend_shape_count>` **(** **)** |const| |
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+-----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`String<class_String>` | :ref:`get_blend_shape_name<class_ArrayMesh_method_get_blend_shape_name>` **(** :ref:`int<class_int>` index **)** |const| |
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+-----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Error<enum_@GlobalScope_Error>` | :ref:`lightmap_unwrap<class_ArrayMesh_method_lightmap_unwrap>` **(** :ref:`Transform<class_Transform>` transform, :ref:`float<class_float>` texel_size **)** |
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+-----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| void | :ref:`regen_normalmaps<class_ArrayMesh_method_regen_normalmaps>` **(** **)** |
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+-----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| void | :ref:`set_blend_shape_name<class_ArrayMesh_method_set_blend_shape_name>` **(** :ref:`int<class_int>` index, :ref:`String<class_String>` name **)** |
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+-----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`int<class_int>` | :ref:`surface_find_by_name<class_ArrayMesh_method_surface_find_by_name>` **(** :ref:`String<class_String>` name **)** |const| |
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+-----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`int<class_int>` | :ref:`surface_get_array_index_len<class_ArrayMesh_method_surface_get_array_index_len>` **(** :ref:`int<class_int>` surf_idx **)** |const| |
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+-----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`int<class_int>` | :ref:`surface_get_array_len<class_ArrayMesh_method_surface_get_array_len>` **(** :ref:`int<class_int>` surf_idx **)** |const| |
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+-----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`int<class_int>` | :ref:`surface_get_format<class_ArrayMesh_method_surface_get_format>` **(** :ref:`int<class_int>` surf_idx **)** |const| |
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+-----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`String<class_String>` | :ref:`surface_get_name<class_ArrayMesh_method_surface_get_name>` **(** :ref:`int<class_int>` surf_idx **)** |const| |
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+-----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`PrimitiveType<enum_Mesh_PrimitiveType>` | :ref:`surface_get_primitive_type<class_ArrayMesh_method_surface_get_primitive_type>` **(** :ref:`int<class_int>` surf_idx **)** |const| |
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+-----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| void | :ref:`surface_remove<class_ArrayMesh_method_surface_remove>` **(** :ref:`int<class_int>` surf_idx **)** |
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+-----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| void | :ref:`surface_set_name<class_ArrayMesh_method_surface_set_name>` **(** :ref:`int<class_int>` surf_idx, :ref:`String<class_String>` name **)** |
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+-----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| void | :ref:`surface_update_region<class_ArrayMesh_method_surface_update_region>` **(** :ref:`int<class_int>` surf_idx, :ref:`int<class_int>` offset, :ref:`PoolByteArray<class_PoolByteArray>` data **)** |
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+-----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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.. rst-class:: classref-section-separator
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----
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.. rst-class:: classref-descriptions-group
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Enumerations
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------------
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.. _enum_ArrayMesh_ArrayType:
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.. rst-class:: classref-enumeration
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enum **ArrayType**:
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.. _class_ArrayMesh_constant_ARRAY_VERTEX:
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.. rst-class:: classref-enumeration-constant
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:ref:`ArrayType<enum_ArrayMesh_ArrayType>` **ARRAY_VERTEX** = ``0``
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:ref:`PoolVector3Array<class_PoolVector3Array>`, :ref:`PoolVector2Array<class_PoolVector2Array>`, or :ref:`Array<class_Array>` of vertex positions.
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.. _class_ArrayMesh_constant_ARRAY_NORMAL:
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.. rst-class:: classref-enumeration-constant
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:ref:`ArrayType<enum_ArrayMesh_ArrayType>` **ARRAY_NORMAL** = ``1``
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:ref:`PoolVector3Array<class_PoolVector3Array>` of vertex normals.
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.. _class_ArrayMesh_constant_ARRAY_TANGENT:
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.. rst-class:: classref-enumeration-constant
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:ref:`ArrayType<enum_ArrayMesh_ArrayType>` **ARRAY_TANGENT** = ``2``
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:ref:`PoolRealArray<class_PoolRealArray>` of vertex tangents. Each element in groups of 4 floats, first 3 floats determine the tangent, and the last the binormal direction as -1 or 1.
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.. _class_ArrayMesh_constant_ARRAY_COLOR:
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.. rst-class:: classref-enumeration-constant
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:ref:`ArrayType<enum_ArrayMesh_ArrayType>` **ARRAY_COLOR** = ``3``
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:ref:`PoolColorArray<class_PoolColorArray>` of vertex colors.
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.. _class_ArrayMesh_constant_ARRAY_TEX_UV:
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.. rst-class:: classref-enumeration-constant
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:ref:`ArrayType<enum_ArrayMesh_ArrayType>` **ARRAY_TEX_UV** = ``4``
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:ref:`PoolVector2Array<class_PoolVector2Array>` for UV coordinates.
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.. _class_ArrayMesh_constant_ARRAY_TEX_UV2:
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.. rst-class:: classref-enumeration-constant
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:ref:`ArrayType<enum_ArrayMesh_ArrayType>` **ARRAY_TEX_UV2** = ``5``
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:ref:`PoolVector2Array<class_PoolVector2Array>` for second UV coordinates.
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.. _class_ArrayMesh_constant_ARRAY_BONES:
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.. rst-class:: classref-enumeration-constant
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:ref:`ArrayType<enum_ArrayMesh_ArrayType>` **ARRAY_BONES** = ``6``
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:ref:`PoolRealArray<class_PoolRealArray>` or :ref:`PoolIntArray<class_PoolIntArray>` of bone indices. Each element in groups of 4 floats.
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.. _class_ArrayMesh_constant_ARRAY_WEIGHTS:
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.. rst-class:: classref-enumeration-constant
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:ref:`ArrayType<enum_ArrayMesh_ArrayType>` **ARRAY_WEIGHTS** = ``7``
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:ref:`PoolRealArray<class_PoolRealArray>` of bone weights. Each element in groups of 4 floats.
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.. _class_ArrayMesh_constant_ARRAY_INDEX:
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.. rst-class:: classref-enumeration-constant
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:ref:`ArrayType<enum_ArrayMesh_ArrayType>` **ARRAY_INDEX** = ``8``
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:ref:`PoolIntArray<class_PoolIntArray>` of integers used as indices referencing vertices, colors, normals, tangents, and textures. All of those arrays must have the same number of elements as the vertex array. No index can be beyond the vertex array size. When this index array is present, it puts the function into "index mode," where the index selects the \*i\*'th vertex, normal, tangent, color, UV, etc. This means if you want to have different normals or colors along an edge, you have to duplicate the vertices.
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For triangles, the index array is interpreted as triples, referring to the vertices of each triangle. For lines, the index array is in pairs indicating the start and end of each line.
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.. _class_ArrayMesh_constant_ARRAY_MAX:
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.. rst-class:: classref-enumeration-constant
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:ref:`ArrayType<enum_ArrayMesh_ArrayType>` **ARRAY_MAX** = ``9``
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Represents the size of the :ref:`ArrayType<enum_ArrayMesh_ArrayType>` enum.
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.. rst-class:: classref-item-separator
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----
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.. _enum_ArrayMesh_ArrayFormat:
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.. rst-class:: classref-enumeration
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enum **ArrayFormat**:
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.. _class_ArrayMesh_constant_ARRAY_FORMAT_VERTEX:
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.. rst-class:: classref-enumeration-constant
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:ref:`ArrayFormat<enum_ArrayMesh_ArrayFormat>` **ARRAY_FORMAT_VERTEX** = ``1``
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Array format will include vertices (mandatory).
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.. _class_ArrayMesh_constant_ARRAY_FORMAT_NORMAL:
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.. rst-class:: classref-enumeration-constant
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:ref:`ArrayFormat<enum_ArrayMesh_ArrayFormat>` **ARRAY_FORMAT_NORMAL** = ``2``
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Array format will include normals.
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.. _class_ArrayMesh_constant_ARRAY_FORMAT_TANGENT:
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.. rst-class:: classref-enumeration-constant
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:ref:`ArrayFormat<enum_ArrayMesh_ArrayFormat>` **ARRAY_FORMAT_TANGENT** = ``4``
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Array format will include tangents.
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.. _class_ArrayMesh_constant_ARRAY_FORMAT_COLOR:
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.. rst-class:: classref-enumeration-constant
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:ref:`ArrayFormat<enum_ArrayMesh_ArrayFormat>` **ARRAY_FORMAT_COLOR** = ``8``
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Array format will include a color array.
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.. _class_ArrayMesh_constant_ARRAY_FORMAT_TEX_UV:
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.. rst-class:: classref-enumeration-constant
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:ref:`ArrayFormat<enum_ArrayMesh_ArrayFormat>` **ARRAY_FORMAT_TEX_UV** = ``16``
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Array format will include UVs.
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.. _class_ArrayMesh_constant_ARRAY_FORMAT_TEX_UV2:
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.. rst-class:: classref-enumeration-constant
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:ref:`ArrayFormat<enum_ArrayMesh_ArrayFormat>` **ARRAY_FORMAT_TEX_UV2** = ``32``
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Array format will include another set of UVs.
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.. _class_ArrayMesh_constant_ARRAY_FORMAT_BONES:
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.. rst-class:: classref-enumeration-constant
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:ref:`ArrayFormat<enum_ArrayMesh_ArrayFormat>` **ARRAY_FORMAT_BONES** = ``64``
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Array format will include bone indices.
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.. _class_ArrayMesh_constant_ARRAY_FORMAT_WEIGHTS:
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.. rst-class:: classref-enumeration-constant
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:ref:`ArrayFormat<enum_ArrayMesh_ArrayFormat>` **ARRAY_FORMAT_WEIGHTS** = ``128``
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Array format will include bone weights.
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.. _class_ArrayMesh_constant_ARRAY_FORMAT_INDEX:
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.. rst-class:: classref-enumeration-constant
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:ref:`ArrayFormat<enum_ArrayMesh_ArrayFormat>` **ARRAY_FORMAT_INDEX** = ``256``
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Index array will be used.
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.. rst-class:: classref-section-separator
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----
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.. rst-class:: classref-descriptions-group
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Constants
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---------
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.. _class_ArrayMesh_constant_NO_INDEX_ARRAY:
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.. rst-class:: classref-constant
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**NO_INDEX_ARRAY** = ``-1``
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Value used internally when no indices are present.
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.. _class_ArrayMesh_constant_ARRAY_WEIGHTS_SIZE:
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.. rst-class:: classref-constant
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**ARRAY_WEIGHTS_SIZE** = ``4``
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Amount of weights/bone indices per vertex (always 4).
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.. rst-class:: classref-section-separator
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----
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.. rst-class:: classref-descriptions-group
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Property Descriptions
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---------------------
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.. _class_ArrayMesh_property_blend_shape_mode:
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.. rst-class:: classref-property
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:ref:`BlendShapeMode<enum_Mesh_BlendShapeMode>` **blend_shape_mode** = ``1``
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.. rst-class:: classref-property-setget
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- void **set_blend_shape_mode** **(** :ref:`BlendShapeMode<enum_Mesh_BlendShapeMode>` value **)**
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- :ref:`BlendShapeMode<enum_Mesh_BlendShapeMode>` **get_blend_shape_mode** **(** **)**
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Sets the blend shape mode to one of :ref:`BlendShapeMode<enum_Mesh_BlendShapeMode>`.
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.. rst-class:: classref-item-separator
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----
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.. _class_ArrayMesh_property_custom_aabb:
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.. rst-class:: classref-property
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:ref:`AABB<class_AABB>` **custom_aabb** = ``AABB( 0, 0, 0, 0, 0, 0 )``
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.. rst-class:: classref-property-setget
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- void **set_custom_aabb** **(** :ref:`AABB<class_AABB>` value **)**
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- :ref:`AABB<class_AABB>` **get_custom_aabb** **(** **)**
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Overrides the :ref:`AABB<class_AABB>` with one defined by user for use with frustum culling. Especially useful to avoid unexpected culling when using a shader to offset vertices.
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.. rst-class:: classref-section-separator
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----
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.. rst-class:: classref-descriptions-group
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Method Descriptions
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-------------------
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.. _class_ArrayMesh_method_add_blend_shape:
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.. rst-class:: classref-method
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void **add_blend_shape** **(** :ref:`String<class_String>` name **)**
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Adds name for a blend shape that will be added with :ref:`add_surface_from_arrays<class_ArrayMesh_method_add_surface_from_arrays>`. Must be called before surface is added.
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.. rst-class:: classref-item-separator
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----
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.. _class_ArrayMesh_method_add_surface_from_arrays:
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.. rst-class:: classref-method
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void **add_surface_from_arrays** **(** :ref:`PrimitiveType<enum_Mesh_PrimitiveType>` primitive, :ref:`Array<class_Array>` arrays, :ref:`Array<class_Array>` blend_shapes=[ ], :ref:`int<class_int>` compress_flags=2194432 **)**
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Creates a new surface.
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Surfaces are created to be rendered using a ``primitive``, which may be any of the types defined in :ref:`PrimitiveType<enum_Mesh_PrimitiveType>`. (As a note, when using indices, it is recommended to only use points, lines, or triangles.) :ref:`Mesh.get_surface_count<class_Mesh_method_get_surface_count>` will become the ``surf_idx`` for this new surface.
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The ``arrays`` argument is an array of arrays. See :ref:`ArrayType<enum_ArrayMesh_ArrayType>` for the values used in this array. For example, ``arrays[0]`` is the array of vertices. That first vertex sub-array is always required; the others are optional. Adding an index array puts this function into "index mode" where the vertex and other arrays become the sources of data and the index array defines the vertex order. All sub-arrays must have the same length as the vertex array or be empty, except for :ref:`ARRAY_INDEX<class_ArrayMesh_constant_ARRAY_INDEX>` if it is used.
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\ ``compress_flags`` is a bitfield made of :ref:`ArrayFormat<enum_Mesh_ArrayFormat>` values. It defaults to :ref:`Mesh.ARRAY_COMPRESS_DEFAULT<class_Mesh_constant_ARRAY_COMPRESS_DEFAULT>`.
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\ **Note:** The default ``compress_flags`` enable :ref:`Mesh.ARRAY_COMPRESS_COLOR<class_Mesh_constant_ARRAY_COMPRESS_COLOR>`, which makes vertex colors stored as 8-bit unsigned integers. This will clamp overbright vertex colors to ``Color(1, 1, 1, 1)`` and reduce their precision. To store HDR vertex colors, remove the vertex color compression flag by passing ``Mesh.ARRAY_COMPRESS_DEFAULT ^ Mesh.ARRAY_COMPRESS_COLOR`` as the value of ``compress_flags``.
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.. rst-class:: classref-item-separator
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----
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.. _class_ArrayMesh_method_clear_blend_shapes:
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.. rst-class:: classref-method
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void **clear_blend_shapes** **(** **)**
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Removes all blend shapes from this **ArrayMesh**.
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.. rst-class:: classref-item-separator
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----
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.. _class_ArrayMesh_method_clear_surfaces:
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.. rst-class:: classref-method
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void **clear_surfaces** **(** **)**
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Removes all surfaces from this **ArrayMesh**.
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.. rst-class:: classref-item-separator
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----
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.. _class_ArrayMesh_method_get_blend_shape_count:
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.. rst-class:: classref-method
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:ref:`int<class_int>` **get_blend_shape_count** **(** **)** |const|
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Returns the number of blend shapes that the **ArrayMesh** holds.
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.. rst-class:: classref-item-separator
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----
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.. _class_ArrayMesh_method_get_blend_shape_name:
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.. rst-class:: classref-method
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:ref:`String<class_String>` **get_blend_shape_name** **(** :ref:`int<class_int>` index **)** |const|
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Returns the name of the blend shape at this index.
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.. rst-class:: classref-item-separator
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----
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.. _class_ArrayMesh_method_lightmap_unwrap:
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.. rst-class:: classref-method
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:ref:`Error<enum_@GlobalScope_Error>` **lightmap_unwrap** **(** :ref:`Transform<class_Transform>` transform, :ref:`float<class_float>` texel_size **)**
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Will perform a UV unwrap on the **ArrayMesh** to prepare the mesh for lightmapping.
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.. rst-class:: classref-item-separator
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----
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.. _class_ArrayMesh_method_regen_normalmaps:
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.. rst-class:: classref-method
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void **regen_normalmaps** **(** **)**
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Will regenerate normal maps for the **ArrayMesh**.
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.. rst-class:: classref-item-separator
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----
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.. _class_ArrayMesh_method_set_blend_shape_name:
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.. rst-class:: classref-method
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void **set_blend_shape_name** **(** :ref:`int<class_int>` index, :ref:`String<class_String>` name **)**
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.. container:: contribute
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There is currently no description for this method. Please help us by :ref:`contributing one <doc_updating_the_class_reference>`!
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.. rst-class:: classref-item-separator
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----
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.. _class_ArrayMesh_method_surface_find_by_name:
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.. rst-class:: classref-method
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:ref:`int<class_int>` **surface_find_by_name** **(** :ref:`String<class_String>` name **)** |const|
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Returns the index of the first surface with this name held within this **ArrayMesh**. If none are found, -1 is returned.
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.. rst-class:: classref-item-separator
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----
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.. _class_ArrayMesh_method_surface_get_array_index_len:
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.. rst-class:: classref-method
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:ref:`int<class_int>` **surface_get_array_index_len** **(** :ref:`int<class_int>` surf_idx **)** |const|
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Returns the length in indices of the index array in the requested surface (see :ref:`add_surface_from_arrays<class_ArrayMesh_method_add_surface_from_arrays>`).
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.. rst-class:: classref-item-separator
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----
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.. _class_ArrayMesh_method_surface_get_array_len:
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.. rst-class:: classref-method
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:ref:`int<class_int>` **surface_get_array_len** **(** :ref:`int<class_int>` surf_idx **)** |const|
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Returns the length in vertices of the vertex array in the requested surface (see :ref:`add_surface_from_arrays<class_ArrayMesh_method_add_surface_from_arrays>`).
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.. rst-class:: classref-item-separator
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----
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.. _class_ArrayMesh_method_surface_get_format:
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.. rst-class:: classref-method
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:ref:`int<class_int>` **surface_get_format** **(** :ref:`int<class_int>` surf_idx **)** |const|
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Returns the format mask of the requested surface (see :ref:`add_surface_from_arrays<class_ArrayMesh_method_add_surface_from_arrays>`).
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.. rst-class:: classref-item-separator
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----
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.. _class_ArrayMesh_method_surface_get_name:
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.. rst-class:: classref-method
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:ref:`String<class_String>` **surface_get_name** **(** :ref:`int<class_int>` surf_idx **)** |const|
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Gets the name assigned to this surface.
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.. rst-class:: classref-item-separator
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----
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.. _class_ArrayMesh_method_surface_get_primitive_type:
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.. rst-class:: classref-method
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:ref:`PrimitiveType<enum_Mesh_PrimitiveType>` **surface_get_primitive_type** **(** :ref:`int<class_int>` surf_idx **)** |const|
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Returns the primitive type of the requested surface (see :ref:`add_surface_from_arrays<class_ArrayMesh_method_add_surface_from_arrays>`).
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.. rst-class:: classref-item-separator
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----
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.. _class_ArrayMesh_method_surface_remove:
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.. rst-class:: classref-method
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void **surface_remove** **(** :ref:`int<class_int>` surf_idx **)**
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Removes a surface at position ``surf_idx``, shifting greater surfaces one ``surf_idx`` slot down.
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.. rst-class:: classref-item-separator
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----
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.. _class_ArrayMesh_method_surface_set_name:
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.. rst-class:: classref-method
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void **surface_set_name** **(** :ref:`int<class_int>` surf_idx, :ref:`String<class_String>` name **)**
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Sets a name for a given surface.
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.. rst-class:: classref-item-separator
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----
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.. _class_ArrayMesh_method_surface_update_region:
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.. rst-class:: classref-method
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void **surface_update_region** **(** :ref:`int<class_int>` surf_idx, :ref:`int<class_int>` offset, :ref:`PoolByteArray<class_PoolByteArray>` data **)**
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Updates a specified region of mesh arrays on the GPU.
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\ **Warning:** Only use if you know what you are doing. You can easily cause crashes by calling this function with improper arguments.
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.. |virtual| replace:: :abbr:`virtual (This method should typically be overridden by the user to have any effect.)`
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.. |const| replace:: :abbr:`const (This method has no side effects. It doesn't modify any of the instance's member variables.)`
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.. |vararg| replace:: :abbr:`vararg (This method accepts any number of arguments after the ones described here.)`
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.. |static| replace:: :abbr:`static (This method doesn't need an instance to be called, so it can be called directly using the class name.)`
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