reflect(3) calculate the reflection direction for an incident vector

DECLARATION

genType reflect(genType I, genType N);
genDType reflect(genDType I, genDType N);

PARAMETERS

I

Specifies the incident vector.

N

Specifies the normal vector.

DESCRIPTION

For a given incident vector I and surface normal Nreflect returns the reflection direction calculated as I - 2.0 * dot(N, I) * N.

N should be normalized in order to achieve the desired result.

VERSION SUPPORT

OpenGL Shading Language Version
Function Name 1.10 1.20 1.30 1.40 1.50 3.30 4.00 4.10 4.20 4.30 4.40 4.50
reflect (genType)
reflect (genDType) - - - - - -

COPYRIGHT

Copyright © 2011-2014 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1.0, 8 June 1999. m[blue]http://opencontent.org/openpub/m[].

COPYRIGHT


Copyright © 2011-2014 Khronos Group