These objects are defined in three dimensions (3D), but will be rendered onto a two-dimensional (2D) computer screen. The technique for rendering a 3D object onto a 2D display involves firstly breaking down the 3D object
into polygons defined by primitives. A popular primitive used is a triangle having three vertices. Thus, a 3D image can
be transformed into a plurality of triangles each being defined by a unique set of vertices where each vertex would
typically contain information relating to co-ordinates (x, y, z), colour, texture and lighting. It should be understood that
a fairly large storage area is needed to accommodate the vertex information.
These objects are defined in three dimensions (3D), but will be rendered onto a two-dimensional (2D) computer screen. The technique for rendering a 3D object onto a 2D display involves firstly breaking down the 3D objectinto polygons defined by primitives. A popular primitive used is a triangle having three vertices. Thus, a 3D image canbe transformed into a plurality of triangles each being defined by a unique set of vertices where each vertex wouldtypically contain information relating to co-ordinates (x, y, z), colour, texture and lighting. It should be understood thata fairly large storage area is needed to accommodate the vertex information.
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