TriangleIsosGen

The centre of the bounding rectangle. consider also using cenDefault.

Currently throws, not sure if that is the correct behaviour. Creates a bounding rectangle for a collection of 2d points

The width of the BoundingRect of this object.

This canEqual override allow the comparison of Shapes.

If the geometric element has a defined centre then the cenDefault uses that, else it defaults to the centre of the bounding rectangle.

The centre point of this Polygon. The default centre for Polygons is the centre of the bounding rectangle.

Creates a PolygonCompound graphic that is active with a simple 1 colour fill and has a draw graphic for the Polygon. The default values for the draw area line width of 2 and a colour of Black.

foreachs over the sides or edges of the Polygon These are of type LineSeg.

Insert vertex.

Insert vertices before the specified insertion vertex.

Map this collection of data elements to PolygonLike class of type BB.

Determines if the parameter point lies inside this Polygon.

Uniform scaling 2D geometric transformation. The scale name was chosen for this operation as it is normally the desired operation and preserves Circles and Squares. Use the xyScale method for differential scaling.

The X component of the centre or half way point of side 1 of this polygon. Side 1 starts at the vLast vertex and ends at the v1 vertex. This can be thought of as vertex 0.5.

The Y component of the centre or half way point of side 1 of this polygon. Side 1 starts at the vLast vertex and ends at the v1 vertex. This can be thought of as vertex 0.5.

The X component of the centre or half way point of side 3 of this polygon. Side 3 starts at the v2 vertex and ends at the v3 vertex. This can be thought of as vertex 2.5.

The Y component of the centre or half way point of side 3 of this polygon. Side 3 starts at the v2 vertex and ends at the v3 vertex. This can be thought of as vertex 2.5.

Polygon side 0 from vertex 0 to vertex 1.

Polygon side 1 from vertex 1 to vertex 2.

Polygon side 2 from vertex 2 to vertex 3.

foreachs over the sides or edges of the Polygon These are of type LineSeg.

maps with a integer counter over the sides or edges of the Polygon These are of type LineSeg.

maps with a integer counter over the sides or edges of the Polygon These are of type LineSeg.

maps over the sides or edges of the Polygon These are of type LineSeg.

Translate 2D geometric transformation on a Triangle returns a Triangle. The return type is narrowed in sub classes.

Translate 2D geometric transformation on a Triangle returns a Triangle. The return type is narrowed in sub classes.

The last vertex. The default convention places this just anti clockwise of 12 oclock.

Returns the vertex of the given index. If the index is out of range, it will just circle round the vertices, so for a triangle -1 gives v2, -2 gives v1, 3 gives v0, 4 gives v1 etc. It will not throw unlike the unsafeVert method.

flatMap to an immutable Arr.

This method should be overridden in final classes.

flatMap with index to an immutable Arr.

Checks this polygon has at least 3 vertices.

This method does nothing if the vertNum < 2. Foreach vertex applies the side effecting function to the previous vertex with each vertex. The previous vertex to the first vertex is the last vertex of the PolygonLike. Note the function signature (previous, vertex) => U follows the foreach based convention of putting the collection element 2nd or last as seen for example in fold methods'(accumulator, element) => B signature.