swaptmesh(3G)							 swaptmesh(3G)

NAME    [Toc]    [Back]

     swaptmesh - toggles the triangle mesh register pointer

C SPECIFICATION    [Toc]    [Back]

     void swaptmesh()

PARAMETERS    [Toc]    [Back]

     none

DESCRIPTION    [Toc]    [Back]

     The triangle mesh hardware	stores two vertices.  After each new vertex is
     specified (and a triangle comprising the new vertex and the two stored
     vertices is drawn), one of	the stored vertices is replaced	by the new
     vertex.  The value	of a two-value pointer determines which	vertex is
     replaced.	This pointer is	toggled	after each vertex, causing alternate
     stored vertices to	be replaced.  swaptmesh	toggles	the pointer without
     specification of a	new vertex (and	no triangle is drawn).

SEE ALSO    [Toc]    [Back]

     bgntmesh, v

NOTE    [Toc]    [Back]

     Operation is undefined if swaptmesh is called before the second vertex of
     a triangle	mesh is	specified.


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