You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
115 lines
2.4 KiB
115 lines
2.4 KiB
//////////////////////////////////////////////////////////////////////////////////
|
|
// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
|
|
//////////////////////////////////////////////////////////////////////////////////
|
|
// Created : 2007-09-28
|
|
// Updated : 2008-10-07
|
|
// Licence : This source is under MIT License
|
|
// File : glm/gtx/normalize_dot.inl
|
|
//////////////////////////////////////////////////////////////////////////////////
|
|
|
|
namespace glm
|
|
{
|
|
template <typename genType>
|
|
GLM_FUNC_QUALIFIER genType normalizeDot
|
|
(
|
|
genType const & x,
|
|
genType const & y
|
|
)
|
|
{
|
|
return
|
|
glm::dot(x, y) *
|
|
glm::inversesqrt(glm::dot(x, x) *
|
|
glm::dot(y, y));
|
|
}
|
|
|
|
template <typename valType>
|
|
GLM_FUNC_QUALIFIER valType normalizeDot
|
|
(
|
|
detail::tvec2<valType> const & x,
|
|
detail::tvec2<valType> const & y
|
|
)
|
|
{
|
|
return
|
|
glm::dot(x, y) *
|
|
glm::inversesqrt(glm::dot(x, x) *
|
|
glm::dot(y, y));
|
|
}
|
|
|
|
template <typename valType>
|
|
GLM_FUNC_QUALIFIER valType normalizeDot
|
|
(
|
|
detail::tvec3<valType> const & x,
|
|
detail::tvec3<valType> const & y
|
|
)
|
|
{
|
|
return
|
|
glm::dot(x, y) *
|
|
glm::inversesqrt(glm::dot(x, x) *
|
|
glm::dot(y, y));
|
|
}
|
|
|
|
template <typename valType>
|
|
GLM_FUNC_QUALIFIER valType normalizeDot
|
|
(
|
|
detail::tvec4<valType> const & x,
|
|
detail::tvec4<valType> const & y
|
|
)
|
|
{
|
|
return
|
|
glm::dot(x, y) *
|
|
glm::inversesqrt(glm::dot(x, x) *
|
|
glm::dot(y, y));
|
|
}
|
|
|
|
template <typename genType>
|
|
GLM_FUNC_QUALIFIER genType fastNormalizeDot
|
|
(
|
|
genType const & x,
|
|
genType const & y
|
|
)
|
|
{
|
|
return
|
|
glm::dot(x, y) *
|
|
fastInverseSqrt(glm::dot(x, x) *
|
|
glm::dot(y, y));
|
|
}
|
|
|
|
template <typename valType>
|
|
GLM_FUNC_QUALIFIER valType fastNormalizeDot
|
|
(
|
|
detail::tvec2<valType> const & x,
|
|
detail::tvec2<valType> const & y
|
|
)
|
|
{
|
|
return
|
|
glm::dot(x, y) *
|
|
fastInverseSqrt(glm::dot(x, x) *
|
|
glm::dot(y, y));
|
|
}
|
|
|
|
template <typename valType>
|
|
GLM_FUNC_QUALIFIER valType fastNormalizeDot
|
|
(
|
|
detail::tvec3<valType> const & x,
|
|
detail::tvec3<valType> const & y
|
|
)
|
|
{
|
|
return
|
|
glm::dot(x, y) *
|
|
fastInverseSqrt(glm::dot(x, x) *
|
|
glm::dot(y, y));
|
|
}
|
|
|
|
template <typename valType>
|
|
GLM_FUNC_QUALIFIER valType fastNormalizeDot
|
|
(
|
|
detail::tvec4<valType> const & x,
|
|
detail::tvec4<valType> const & y
|
|
)
|
|
{
|
|
return
|
|
glm::dot(x, y) *
|
|
fastInverseSqrt(glm::dot(x, x) *
|
|
glm::dot(y, y));
|
|
}
|
|
}//namespace glm
|