Computergrafik
GL Manpages
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Hilfe zu den jeweiligen OpenGL Kommandos gibt die Unix Manual Page.
> man glVertex
NAME glVertex2d, glVertex2f, glVertex2i, glVertex3d, glVertex3f, glVertex3i, glVertex4d, glVertex4f, glVertex4i - specify a vertex C SPECIFICATION void glVertex2d( GLdouble x, GLdouble y ) void glVertex2f( GLfloat x, GLfloat y ) void glVertex2i( GLint x, GLint y ) void glVertex3d( GLdouble x, GLdouble y, GLdouble z ) void glVertex3f( GLfloat x, GLfloat y, GLfloat z ) void glVertex3i( GLint x, GLint y, GLint z ) void glVertex4d( GLdouble x, GLdouble y, GLdouble z, GLdouble w ) void glVertex4f( GLfloat x, GLfloat y, GLfloat z, GLfloat w ) void glVertex4i( GLint x, GLint y, GLint z, GLint w ) PARAMETERS x, y, z, w Specify x, y, z, and w coordinates of a vertex. Not all parameters are present in all forms of the command. DESCRIPTION glVertex commands are used within glBegin/glEnd pairs to specify point, line, and polygon vertices. The current color, normal, and texture coordinates are associated with the vertex when glVertex is called. When only x and y are specified, z defaults to 0 and w defaults to 1. When x, y, and z are specified, w defaults to 1. NOTES Invoking glVertex outside of a glBegin/glEnd pair results in undefined behavior. SEE ALSO glBegin, glCallList, glColor, glEdgeFlag, glEvalCoord, glIndex, glMaterial, glNormal, glRect, glTexCoord, glVertexPointer
Oder lass uns danach googlen!
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