REFLECT(3G) [FIXME: manual] REFLECT(3G) NAME reflect - 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 N reflect 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 | 1.10 | 1.20 | 1.30 | 1.40 | 1.50 | 3.30 | 4.00 | 4.10 | 4.20 | 4.30 | 4.40 | 4.50 | |Name | | | | | | | | | | | | | +-----------+------+------+------+------+------+------+------+------+------+------+------+------+ |reflect | | | | | | | | | | | | | |(genType) | | | | | | | | | | | | | +-----------+------+------+------+------+------+------+------+------+------+------+------+------+ |reflect | - | - | - | - | - | - | | | | | | | |(genDType) | | | | | | | | | | | | | +-----------+------+------+------+------+------+------+------+------+------+------+------+------+ SEE ALSO dot(), refract() COPYRIGHT Copyright (C) 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. https://opencontent.org/openpub/. COPYRIGHT Copyright (C) 2011-2014 Khronos Group [FIXME: source] 10/20/2024 REFLECT(3G)