Class CommonGeometry

Represents a concrete implementation of IGeometry that holds vertex and face data within a CommonGeometryGroup. Multiple CommonGeometry instances can exist within a single group, each referencing a shared vertex pool.

Inheritance
object
CommonGeometry
Implements
Inherited Members
Namespace: TriLibCore.Geometries
Assembly: TriLibCore.dll
Syntax
public class CommonGeometry : IGeometry

Constructors

CommonGeometry()

Declaration
public CommonGeometry()

Properties

GeometryGroup

Gets or sets the parent geometry group that contains this geometry.

Declaration
public CommonGeometryGroup GeometryGroup { get; set; }
Property Value
Type Description
CommonGeometryGroup

Index

Gets or sets the index of this geometry within its parent geometry group.

Declaration
public int Index { get; set; }
Property Value
Type Description
int

IsQuad

Gets or sets a value indicating whether this geometry should be processed as quads. If false, the geometry is typically handled as triangles.

Declaration
public bool IsQuad { get; set; }
Property Value
Type Description
bool

MaterialIndex

Gets or sets the index of the material assigned to this geometry.

Declaration
public int MaterialIndex { get; set; }
Property Value
Type Description
int

OriginalIndex

Gets or sets the original geometry index within the parent geometry group. If this geometry was duplicated, this field preserves the initial index.

Declaration
public int OriginalIndex { get; set; }
Property Value
Type Description
int

VertexDataIndices

Gets or sets the list of indices into the shared vertex data managed by CommonGeometryGroup. These indices map this geometry's faces to the group's vertex pool.

Declaration
public List<int> VertexDataIndices { get; set; }
Property Value
Type Description
List<int>

Methods

AddVertex(AssetLoaderContext, int, Vector3, Vector3, Vector4, Color, Vector2, Vector2, Vector2, Vector2, BoneWeight)

Adds a new vertex (with position, normal, tangent, color, UVs, and bone weighting) to the parent geometry group's vertex pool and records the resulting index in VertexDataIndices if this geometry is not a point cloud.

Declaration
public void AddVertex(AssetLoaderContext assetLoaderContext, int originalVertexIndex, Vector3 position, Vector3 normal = null, Vector4 tangent = null, Color color = null, Vector2 uv0 = null, Vector2 uv1 = null, Vector2 uv2 = null, Vector2 uv3 = null, BoneWeight boneWeight = null)
Parameters
Type Name Description
AssetLoaderContext assetLoaderContext

The context containing model loading data and settings.
int originalVertexIndex

The source vertex index from the loaded model.
Vector3 position

The vertex position.
Vector3 normal

The vertex normal.
Vector4 tangent

The vertex tangent.
Color color

The vertex color.
Vector2 uv0

The first set of UV coordinates.
Vector2 uv1

The second set of UV coordinates.
Vector2 uv2

The third set of UV coordinates.
Vector2 uv3

The fourth set of UV coordinates.
BoneWeight boneWeight

The bone weight data, if applicable.

Setup(CommonGeometryGroup, int, bool, bool, bool)

Configures this geometry with the specified parent group, material index, face mode (quads or triangles), blend shape usage, and point cloud status. If the geometry is not a point cloud, this method also pre-allocates a list for storing vertex indices.

Declaration
public void Setup(CommonGeometryGroup geometryGroup, int materialIndex, bool isQuad, bool hasBlendShapes, bool isPointCloud)
Parameters
Type Name Description
CommonGeometryGroup geometryGroup

The parent geometry group.
int materialIndex

The material index for this geometry.
bool isQuad

Indicates if this geometry uses quadrilateral faces.
bool hasBlendShapes

Indicates if this geometry uses blend shapes.
bool isPointCloud

Indicates if this geometry is a point cloud.

Implements

Extension Methods