ludus::foundation::geometry::ConvexPolygon¶

Struct

One convex planar polygon made of whole source triangles.

Positions are bitwise copies of source vertex positions, ordered by the source winding: counterclockwise when viewed against NormalMesh. Consecutive edges turn by more than the collinearity tolerance, so no three vertices are collinear. An affine transform keeps the polygon convex and planar; transform the positions, then derive a world normal from them.

Declared in modules/foundation/geometry/include/ludus/foundation/geometry/convex_polygon.hpp

#include <ludus/foundation/geometry/convex_polygon.hpp>

struct ludus::foundation::geometry::ConvexPolygon final

Fields¶

PositionsMesh¶

StaticArray<math::Vector3, MAX_CONVEX_POLYGON_VERTICES> ludus::foundation::geometry::ConvexPolygon::PositionsMesh {}

Valid prefix of VertexCount.

Related types: StaticArray · MAX_CONVEX_POLYGON_VERTICES · math::Vector3

Declared in modules/foundation/geometry/include/ludus/foundation/geometry/convex_polygon.hpp

VertexCount¶

usize ludus::foundation::geometry::ConvexPolygon::VertexCount = 0

3 through MAX_CONVEX_POLYGON_VERTICES.

Related types: usize

Declared in modules/foundation/geometry/include/ludus/foundation/geometry/convex_polygon.hpp

NormalMesh¶

math::Vector3 ludus::foundation::geometry::ConvexPolygon::NormalMesh {}

Unit normal from the winding, in the positions' space.

Related types: math::Vector3

Declared in modules/foundation/geometry/include/ludus/foundation/geometry/convex_polygon.hpp

FirstTriangle¶

usize ludus::foundation::geometry::ConvexPolygon::FirstTriangle = 0

First entry of this polygon in ConvexPolygonPartition::Triangles.

Related types: usize

Declared in modules/foundation/geometry/include/ludus/foundation/geometry/convex_polygon.hpp

TriangleCount¶

usize ludus::foundation::geometry::ConvexPolygon::TriangleCount = 0

Number of source triangles covered by this polygon.

Related types: usize

Declared in modules/foundation/geometry/include/ludus/foundation/geometry/convex_polygon.hpp