The vertex shader is used to transform the attributes of vertices (points of a triangle) such as color, texture, position and direction from the original color space to the display space.

Other 3D shapes with least one curved surface are not polyhedra ... of a pyramid are around the polygon base plus the apex vertex. A triangle-based pyramid has four vertices.

Faces - A face is a flat surface on a 3D shape. For example a cube has 6 faces. Edges - An edge is where two faces meet. For example a cube has 12 edges. Vertices - A vertex is a corner where ...