 Polygon[Class Summary] |
 p |
 ctor |
| NumEdges()[const] |
| NumVertices()[const] |
| VertexArrayPtr() (+1 overload) |
| AnyPointFast()[const] |
| Vertex(vertexIndex)[const] |
| Edge(edgeIndex)[const] |
| Edge2D(edgeIndex)[const] |
| EdgeNormal(edgeIndex)[const] |
| EdgePlane(edgeIndex)[const] |
| ExtremePoint(direction)[const] (+1 overload) |
| ProjectToAxis(...)[const] |
| DiagonalExists(i,j)[const] |
| Diagonal(i,j)[const] |
| IsConvex()[const] |
| IsPlanar(epsilonSq)[const] |
| IsSimple()[const] |
| IsNull()[const] |
| IsFinite()[const] |
| IsDegenerate(epsilon)[const] |
| BasisU()[const] |
| BasisV()[const] |
| MapTo2D(i)[const] (+1 overload) |
| MapFrom2D(point)[const] |
| NormalCCW()[const] |
| NormalCW()[const] |
| PlaneCCW()[const] |
| PlaneCW()[const] |
| Translate(offset) |
| Transform(transform) (+3 overloads) |
| Contains(...)[const] (+3 overloads) |
| Contains2D(...)[const] |
| Intersects(line)[const] (+11 overloads) |
| ConvexIntersects(aabb)[const] (+2 overloads) |
| ClosestPoint(...)[const] (+2 overloads) |
| Distance(point)[const] |
| Area()[const] |
| Perimeter()[const] |
| Centroid()[const] |
| CenterPoint()[const] |
| PointOnEdge(normalizedDistance)[const] |
| RandomPointOnEdge(rng)[const] |
| FastRandomPointInside(rng)[const] |
| ToPolyhedron()[const] |
| Triangulate()[const] |
| MinimalEnclosingAABB()[const] |
| ToString()[const] |
| SerializeToString()[const] |
| Equals(other)[const] |
| BitEquals(other)[const] |
| NumFaces()[static] |
| FromString(str,outEndStr)[static] (+1 overload) |
Polygon::IsNull
Syntax
bool Polygon::IsNull() const; [4 lines of code]Tests if this polygon is null.
A polygon is null if it has zero vertices.
Note
The null polygon is degenerate and finite.