Defines a Bézier patch of degree (3, 3), that is, one with four control points along each parameter.
A finite plane centered at the origin.
Specifies the axis to split on.
Represents a split surface that is a portion of a parameterized surface.
A surface parameterized over UV coordinates.
Represents a surface that has been transformed by a matrix.
A surface that will never be drawn and takes up zero space.
Split the U-axis, i.
Split the V-axis, i.