/// <summary>Build both meshes</summary>
public static void createMesh(this iPolylinePath path, iTriangleMesh result, eBuildFilledMesh filledMesh, float pixel, sStrokeInfo strokeInfo)
{
unsafe
{
sStrokeInfo *si = &strokeInfo;
path.createMesh(result, filledMesh, pixel, ( IntPtr)si);
}
}
/// <summary>Copy transparent triangle indices of the mesh, downcasting values to 16-bit integers</summary>
public static void copyTransparentTriangles(this iTriangleMesh mesh, Span <ushort> span, int baseVertex)
{
unsafe
{
fixed(ushort *pointer = span)
{
mesh.copyTransparentTriangles((IntPtr)pointer, baseVertex, 2);
}
}
}
/// <summary>Copy opaque triangle indices of the mesh</summary>
public static void copyOpaqueTriangles(this iTriangleMesh mesh, Span <uint> span, int baseVertex)
{
unsafe
{
fixed(uint *pointer = span)
{
mesh.copyOpaqueTriangles((IntPtr)pointer, baseVertex, 4);
}
}
}
public void transparent(iTriangleMesh mesh, Span <uint> span, int baseVertex) => mesh.copyTransparentTriangles(span, baseVertex);
// Yep, exact copy-paste of the above. Sometimes C++ templates are just better. public void opaque(iTriangleMesh mesh, Span <uint> span, int baseVertex) => mesh.copyOpaqueTriangles(span, baseVertex);
/// <summary>Copy vertices out of the mesh</summary>
public static void copyVertices(this iTriangleMesh mesh, Span <sVertexWithId> span, uint id)
{
mesh.copyVertices(ref span.GetPinnableReference(), id);
}
/// <summary>Build just the filled mesh</summary>
public static void createMesh(this iPolylinePath path, iTriangleMesh result, eBuildFilledMesh filledMesh, float pixel)
{
Debug.Assert(filledMesh != eBuildFilledMesh.None);
path.createMesh(result, filledMesh, pixel, IntPtr.Zero);
}
public Meshes(iPathGeometry path, iVrmacDraw factory)
{
this.path = path;
frontBuffer = factory.createTriangleMesh();
backBuffer = factory.createTriangleMesh();
}
