shapes_2d¶

Classes

`Circle`	A circle.
`Polygon`	A 2-D planar polygon with N vertices.
`Quad`
`QuadTriangulated`
`Rectangle`	A rectangle.
`RegularPolygon`	A 2-D planar polygon with the given number of vertices spaced evenly around the unit circle.
`Square`	A square.
`Triangle`
`TriangleTriangulated`
`TriangleVertices`