WireframeGeometry

Generated geometry representing the wireframe edges of a triangle mesh.

WireframeGeometry takes an existing triangle-based geometry and expands its indexed triangle list into a line list suitable for rendering with Geometry::PrimitiveType::Lines. The original vertex buffer is reused, while the index buffer is replaced with pairs of indices representing each unique edge of the mesh.

This is useful for visual debugging (visualizing topology, silhouette edges, or bounding structures) without modifying the source geometry.

auto solid = vglx::BoxGeometry::Create();
auto wireframe  = vglx::WireframeGeometry::Create(solid.get());
auto material = vglx::UnlitMaterial::Create(0xFFFFFF);

my_scene->Add(vglx::Mesh::Create(wireframe, material));

INFO

Derives from Geometry and inherits all public properties and methods.

Construction

Constructors

WireframeGeometry()

Constructs a wireframe representation of an existing geometry.

The vertex data is shared, but the index buffer is rebuilt so that each triangle contributes three line segments.

WireframeGeometry::WireframeGeometry(const Geometry* geometry);

Parameter	Description
geometry	Pointer to the original triangle-based geometry.

Factories preferred

WireframeGeometry::Create() std::shared_ptr<WireframeGeometry>

Creates a shared instance of WireframeGeometry.

static std::shared_ptr<WireframeGeometry> WireframeGeometry::Create(const Geometry* geometry);

Parameter	Description
geometry	Pointer to the original triangle-based geometry.