57 lines
1.4 KiB
Plaintext
57 lines
1.4 KiB
Plaintext
'\" e
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'\"! eqn | mmdoc
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'\"macro stdmacro
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.ds Vn Version 1.2
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.ds Dt 24 September 1999
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.ds Re Release 1.2.1
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.ds Dp Jan 14 18:30
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.ds Dm 01 loadident
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.ds Xs 65358 4 loadidentity.gl
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.TH GLLOADIDENTITY 3G
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.SH NAME
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.B "glLoadIdentity
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\- replace the current matrix with the identity matrix
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.SH C SPECIFICATION
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void \f3glLoadIdentity\fP( void )
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.nf
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.fi
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.SH DESCRIPTION
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\%\f3glLoadIdentity\fP replaces the current matrix with the identity matrix.
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It is semantically equivalent to calling \%\f3glLoadMatrix\fP
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with the identity matrix
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.ce
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.EQ
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left ( down 20 { ~ matrix {
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ccol { 1 above 0 above 0 above 0~ }
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ccol { 0 above 1 above 0 above 0~ }
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ccol { 0 above 0 above 1 above 0~ }
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ccol { 0 above 0 above 0 above 1 }
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} } ~~ right )
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.EN
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but in some cases it is more efficient.
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.SH ERRORS
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\%\f3GL_INVALID_OPERATION\fP is generated if \%\f3glLoadIdentity\fP
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is executed between the execution of \%\f3glBegin\fP
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and the corresponding execution of \%\f3glEnd\fP.
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.SH ASSOCIATED GETS
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\%\f3glGet\fP with argument \%\f3GL_MATRIX_MODE\fP
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.br
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\%\f3glGet\fP with argument \%\f3GL_COLOR_MATRIX\fP
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.br
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\%\f3glGet\fP with argument \%\f3GL_MODELVIEW_MATRIX\fP
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.br
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\%\f3glGet\fP with argument \%\f3GL_PROJECTION_MATRIX\fP
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.br
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\%\f3glGet\fP with argument \%\f3GL_TEXTURE_MATRIX\fP
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.SH SEE ALSO
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\%\f3glLoadMatrix(3G)\fP,
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\%\f3glMatrixMode(3G)\fP,
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\%\f3glMultMatrix(3G)\fP,
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\%\f3glPushMatrix(3G)\fP
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