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Adam Joly
2024-01-06 17:17:52 +01:00
parent d4fd4c2949
commit 9e19633e10
570 changed files with 397857 additions and 1 deletions
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45
MacroLibX/third_party/glm/gtx/closest_point.inl vendored Normal file
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/// @ref gtx_closest_point
namespace glm
{
template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<3, T, Q> closestPointOnLine
(
vec<3, T, Q> const& point,
vec<3, T, Q> const& a,
vec<3, T, Q> const& b
)
{
T LineLength = distance(a, b);
vec<3, T, Q> Vector = point - a;
vec<3, T, Q> LineDirection = (b - a) / LineLength;
// Project Vector to LineDirection to get the distance of point from a
T Distance = dot(Vector, LineDirection);
if(Distance <= T(0)) return a;
if(Distance >= LineLength) return b;
return a + LineDirection * Distance;
}
template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<2, T, Q> closestPointOnLine
(
vec<2, T, Q> const& point,
vec<2, T, Q> const& a,
vec<2, T, Q> const& b
)
{
T LineLength = distance(a, b);
vec<2, T, Q> Vector = point - a;
vec<2, T, Q> LineDirection = (b - a) / LineLength;
// Project Vector to LineDirection to get the distance of point from a
T Distance = dot(Vector, LineDirection);
if(Distance <= T(0)) return a;
if(Distance >= LineLength) return b;
return a + LineDirection * Distance;
}
}//namespace glm