fglloadidentity.html

来自「计算机图形学～想必是很多人需要的～在此共享一下」· HTML 代码 · 共 59 行

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<HTML><BODY><PRE>     <STRONG>NAME</STRONG>	  <STRONG>fglLoadIdentity</STRONG> - replace the	current	matrix with the	  identity matrix     <STRONG>FORTRAN</STRONG> <STRONG>SPECIFICATION</STRONG>	  SUBROUTINE <STRONG>fglLoadIdentity</STRONG>( )     <STRONG>DESCRIPTION</STRONG>	  <STRONG>fglLoadIdentity</STRONG> replaces the current matrix with the	  identity matrix.  It is semantically equivalent to calling	  <STRONG>fglLoadMatrix</STRONG>	with the identity matrix			       ( 1   0	 0   0	)			       |		|			       | 0   1	 0   0	|			       | 0   0	 1   0	|			       |		|			       ( 0   0	 0   1	)	  but in some cases it is more efficient.     <STRONG>ERRORS</STRONG>	  <STRONG>GL_INVALID_OPERATION</STRONG> is generated if <STRONG>fglLoadIdentity</STRONG> is	  executed between the execution of <STRONG>fglBegin</STRONG> and the	  corresponding	execution of <STRONG>fglEnd</STRONG>.     <STRONG>ASSOCIATED</STRONG>	<STRONG>GETS</STRONG>	  <STRONG>fglGet</STRONG> with argument <STRONG>GL_MATRIX_MODE</STRONG>	  <STRONG>fglGet</STRONG> with argument <STRONG>GL_MODELVIEW_MATRIX</STRONG>	  <STRONG>fglGet</STRONG> with argument <STRONG>GL_PROJECTION_MATRIX</STRONG>	  <STRONG>fglGet</STRONG> with argument <STRONG>GL_TEXTURE_MATRIX</STRONG>     <STRONG>SEE</STRONG> <STRONG>ALSO</STRONG>	  <STRONG>fglLoadMatrix</STRONG>, <STRONG>fglMatrixMode</STRONG>,	<STRONG>fglMultMatrix</STRONG>, <STRONG>fglPushMatrix</STRONG></PRE></BODY></HTML>

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