Default constructor
Construct the vertex array with a type and an initial number of vertices
Destructor.
Add a vertex to the array.
Clear the vertex array.
Draw the object to a render target.
Compute the bounding rectangle of the vertex array.
Return the vertex count.
Get a read-write access to a vertex by its index
Resize the vertex array.
The type of primitive to draw.
Draw the object to a render target.
Define a set of one or more 2D primitives.