/// <summary>
/// Creates a new mesh from an existing mesh data. Created mesh will match the vertex and index buffers described
/// by the mesh data exactly. Mesh will have specified the sub-meshes.
/// </summary>
/// <param name="data">Vertex and index data to initialize the mesh with.</param>
/// <param name="subMeshes">Defines how are indices separated into sub-meshes, and how are those sub-meshes rendered.
/// Sub-meshes may be rendered independently.</param>
/// <param name="usage">Optimizes performance depending on planned usage of the mesh.</param>
public Mesh(MeshData data, SubMesh[] subMeshes, MeshUsage usage = MeshUsage.Default)
{
IntPtr dataPtr = IntPtr.Zero;
if (data != null)
dataPtr = data.GetCachedPtr();
Internal_CreateInstanceMeshData(this, dataPtr, subMeshes, usage);
}
private static extern void Internal_CreateInstance(MeshData instance, int numVertices,
int numIndices, VertexType vertex, IndexType index);
/// <summary>
/// Creates a new mesh from an existing mesh data. Created mesh will match the vertex and index buffers described
/// by the mesh data exactly. Mesh will have no sub-meshes.
/// </summary>
/// <param name="data">Vertex and index data to initialize the mesh with.</param>
/// <param name="topology">Determines how should the provided indices be interpreted by the pipeline. Default option
/// is a triangle list, where three indices represent a single triangle.</param>
/// <param name="usage">Optimizes performance depending on planned usage of the mesh.</param>
public Mesh(MeshData data, MeshTopology topology = MeshTopology.TriangleList, MeshUsage usage = MeshUsage.Default)
{
int numIndices = 0;
IntPtr dataPtr = IntPtr.Zero;
if (data != null)
{
numIndices = data.IndexCount;
dataPtr = data.GetCachedPtr();
}
SubMesh[] subMeshes = { new SubMesh(0, numIndices, topology) };
Internal_CreateInstanceMeshData(this, dataPtr, subMeshes, usage);
}
/// <summary>
/// Creates a new mesh with enough space to hold the a number of primitives using the specified layout. Indices can be
/// referenced by multiple sub-meshes.
/// </summary>
/// <param name="data">Vertex and index data to initialize the mesh with.</param>
/// <param name="subMeshes">
/// Defines how are indices separated into sub-meshes, and how are those sub-meshes rendered. Sub-meshes may be rendered
/// independently, each with a different material.
/// </param>
/// <param name="usage">Optimizes performance depending on planned usage of the mesh.</param>
public Mesh(MeshData data, SubMesh[] subMeshes, MeshUsage usage = MeshUsage.Static)
{
Internal_create2(this, data, subMeshes, usage);
}
/// <summary>
/// Creates a new mesh from an existing mesh data. Created mesh will match the vertex and index buffers described by the
/// mesh data exactly. Mesh will have no sub-meshes.
/// </summary>
/// <param name="data">Vertex and index data to initialize the mesh with.</param>
/// <param name="topology">
/// Determines how should the provided indices be interpreted by the pipeline. Default option is a triangle list, where
/// three indices represent a single triangle.
/// </param>
/// <param name="usage">Optimizes performance depending on planned usage of the mesh.</param>
public Mesh(MeshData data, MeshTopology topology = MeshTopology.TriangleList, MeshUsage usage = MeshUsage.Static)
{
Internal_create1(this, data, topology, usage);
}
private static extern void Internal_setMeshData(IntPtr thisPtr, MeshData value);
private static extern void Internal_create2(Mesh managedInstance, MeshData data, SubMesh[] subMeshes, MeshUsage usage);
private static extern void Internal_create1(Mesh managedInstance, MeshData data, MeshTopology topology, MeshUsage usage);