WireframeGeometry

WireframeGeometry ⟵ BufferGeometry

A geometry class that creates wireframe representation of any BufferGeometry.

WireframeGeometry takes any BufferGeometry and creates a wireframe version by extracting edges from the geometry's faces. This is useful for debugging, visualization, and creating wireframe effects on any 3D object.

Methods

WireframeGeometry(BufferGeometry* geometry)

Constructor that creates wireframe from existing geometry

geometry

Source geometry to create wireframe from

nullptr

WireframeGeometry* clone() const

Creates a copy of this geometry

void copy(const WireframeGeometry& geometry)

Copies properties from another geometry

geometry

Source geometry to copy from

void setFromGeometry(BufferGeometry* geometry)

Updates wireframe from new source geometry

geometry

Source geometry to create wireframe from

void enableVertexColors(bool enable, const Color& color)

Toggles per-vertex coloring and sets wireframe color

enable	Enable or disable vertex colors
color	RGBA color used when enabled	0xFFFFFFFF

void setLineColor(const Color& color)

Sets the per-vertex line color without toggling

color

RGBA color value

void buildWireframe()

Builds the wireframe geometry from source geometry

void dispose()

Frees GPU-related resources

void extractEdges()

Extracts unique edges from the source geometry

void addEdge(u16 v1, u16 v2)

Adds an edge to the wireframe if not already present

v1	First vertex index of the edge
v2	Second vertex index of the edge

bool isUniqueEdge(f32 x1, f32 y1, f32 z1, f32 x2, f32 y2, f32 z2, std::set<std::string>& edges)

Checks if an edge is unique and adds it to the set

x1,y1,z1	First vertex position
x2,y2,z2	Second vertex position
edges	Set of existing edge hashes

std::string createEdgeHash(f32 x1, f32 y1, f32 z1, f32 x2, f32 y2, f32 z2)

Creates a hash string for edge uniqueness checking

x1,y1,z1	First vertex position
x2,y2,z2	Second vertex position

Properties

sourceGeometry	BufferGeometry *	Source geometry to create wireframe from
useVertexColors	bool	emit per
lineColor	Color	color used when useVertexColors is true (RGBA)