<HTML> <BODY> <PRE> <STRONG>NAME</STRONG> <STRONG>glVertex2d,</STRONG> <STRONG>glVertex2f,</STRONG> <STRONG>glVertex2i,</STRONG> <STRONG>glVertex2s,</STRONG> <STRONG>glVertex3d,</STRONG> <STRONG>glVertex3f,</STRONG> <STRONG>glVertex3i,</STRONG> <STRONG>glVertex3s,</STRONG> <STRONG>glVertex4d,</STRONG> <STRONG>glVertex4f,</STRONG> <STRONG>glVertex4i,</STRONG> <STRONG>glVertex4s,</STRONG> <STRONG>glVertex2dv,</STRONG> <STRONG>glVertex2fv,</STRONG> <STRONG>glVertex2iv,</STRONG> <STRONG>glVertex2sv,</STRONG> <STRONG>glVertex3dv,</STRONG> <STRONG>glVertex3fv,</STRONG> <STRONG>glVertex3iv,</STRONG> <STRONG>glVertex3sv,</STRONG> <STRONG>glVertex4dv,</STRONG> <STRONG>glVertex4fv,</STRONG> <STRONG>glVertex4iv,</STRONG> <STRONG>glVertex4sv</STRONG> - specify a vertex <STRONG>C</STRONG> <STRONG>SPECIFICATION</STRONG> void <STRONG>glVertex2d</STRONG>( GLdouble <EM>x</EM>, GLdouble <EM>y</EM> ) void <STRONG>glVertex2f</STRONG>( GLfloat <EM>x</EM>, GLfloat <EM>y</EM> ) void <STRONG>glVertex2i</STRONG>( GLint <EM>x</EM>, GLint <EM>y</EM> ) void <STRONG>glVertex2s</STRONG>( GLshort <EM>x</EM>, GLshort <EM>y</EM> ) void <STRONG>glVertex3d</STRONG>( GLdouble <EM>x</EM>, GLdouble <EM>y</EM>, GLdouble <EM>z</EM> ) void <STRONG>glVertex3f</STRONG>( GLfloat <EM>x</EM>, GLfloat <EM>y</EM>, GLfloat <EM>z</EM> ) void <STRONG>glVertex3i</STRONG>( GLint <EM>x</EM>, GLint <EM>y</EM>, GLint <EM>z</EM> ) void <STRONG>glVertex3s</STRONG>( GLshort <EM>x</EM>, GLshort <EM>y</EM>, GLshort <EM>z</EM> ) void <STRONG>glVertex4d</STRONG>( GLdouble <EM>x</EM>, GLdouble <EM>y</EM>, GLdouble <EM>z</EM>, GLdouble <EM>w</EM> ) void <STRONG>glVertex4f</STRONG>( GLfloat <EM>x</EM>, GLfloat <EM>y</EM>, GLfloat <EM>z</EM>, GLfloat <EM>w</EM> ) void <STRONG>glVertex4i</STRONG>( GLint <EM>x</EM>, GLint <EM>y</EM>, GLint <EM>z</EM>, GLint <EM>w</EM> ) void <STRONG>glVertex4s</STRONG>( GLshort <EM>x</EM>, GLshort <EM>y</EM>, GLshort <EM>z</EM>, GLshort <EM>w</EM> ) <STRONG>PARAMETERS</STRONG> <EM>x</EM>, <EM>y</EM>, <EM>z</EM>, <EM>w</EM> Specify <EM>x</EM>, <EM>y</EM>, <EM>z</EM>, and <EM>w</EM> coordinates of a vertex. Not all parameters are present in all forms of the command. <STRONG>C</STRONG> <STRONG>SPECIFICATION</STRONG> void <STRONG>glVertex2dv</STRONG>( const GLdouble *<EM>v</EM> ) void <STRONG>glVertex2fv</STRONG>( const GLfloat *<EM>v</EM> ) void <STRONG>glVertex2iv</STRONG>( const GLint *<EM>v</EM> ) void <STRONG>glVertex2sv</STRONG>( const GLshort *<EM>v</EM> ) void <STRONG>glVertex3dv</STRONG>( const GLdouble *<EM>v</EM> ) void <STRONG>glVertex3fv</STRONG>( const GLfloat *<EM>v</EM> ) void <STRONG>glVertex3iv</STRONG>( const GLint *<EM>v</EM> ) void <STRONG>glVertex3sv</STRONG>( const GLshort *<EM>v</EM> ) void <STRONG>glVertex4dv</STRONG>( const GLdouble *<EM>v</EM> ) void <STRONG>glVertex4fv</STRONG>( const GLfloat *<EM>v</EM> ) void <STRONG>glVertex4iv</STRONG>( const GLint *<EM>v</EM> ) void <STRONG>glVertex4sv</STRONG>( const GLshort *<EM>v</EM> ) <STRONG>PARAMETERS</STRONG> <EM>v</EM> Specifies a pointer to an array of two, three, or four elements. The elements of a two-element array are <EM>x</EM> and <EM>y</EM>; of a three-element array, <EM>x</EM>, <EM>y</EM>, and <EM>z</EM>; and of a four-element array, <EM>x</EM>, <EM>y</EM>, <EM>z</EM>, and <EM>w</EM>. <STRONG>DESCRIPTION</STRONG> <STRONG>glVertex</STRONG> commands are used within <STRONG>glBegin</STRONG>/<STRONG>glEnd</STRONG> pairs to specify point, line, and polygon vertices. The current color, normal, and texture coordinates are associated with the vertex when <STRONG>glVertex</STRONG> is called. When only <EM>x</EM> and <EM>y</EM> are specified, <EM>z</EM> defaults to 0 and <EM>w</EM> defaults to 1. When <EM>x</EM>, <EM>y</EM>, and <EM>z</EM> are specified, <EM>w</EM> defaults to 1. <STRONG>NOTES</STRONG> Invoking <STRONG>glVertex</STRONG> outside of a <STRONG>glBegin</STRONG>/<STRONG>glEnd</STRONG> pair results in undefined behavior. <STRONG>SEE</STRONG> <STRONG>ALSO</STRONG> <STRONG>glBegin</STRONG>, <STRONG>glCallList</STRONG>, <STRONG>glColor</STRONG>, <STRONG>glEdgeFlag</STRONG>, <STRONG>glEvalCoord</STRONG>, <STRONG>glIndex</STRONG>, <STRONG>glMaterial</STRONG>, <STRONG>glNormal</STRONG>, <STRONG>glRect</STRONG>, <STRONG>glTexCoord</STRONG>, <STRONG>glVertexPointer</STRONG> </PRE> </BODY> </HTML>