BlackMATov/vmath.hpp
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trs function

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BlackMATov
2021-02-27 07:35:53 +07:00
parent 950d1758cf
commit ebdcb4f495
4 changed files with 97 additions and 0 deletions
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48
headers/vmath.hpp/vmath_ext.hpp
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@@ -230,6 +230,36 @@ namespace vmath_hpp
namespace vmath_hpp
{
// trs
template < typename T >
[[nodiscard]] constexpr mat<T, 4> trs(const vec<T, 3>& t, const mat<T, 3>& r) {
return {
{ r[0], T{0} },
{ r[1], T{0} },
{ r[2], T{0} },
{ t, T{1} }};
}
template < typename T >
[[nodiscard]] constexpr mat<T, 4> trs(const vec<T, 3>& t, const mat<T, 3>& r, const vec<T, 3>& s) {
return {
{ r[0] * s[0], T{0} },
{ r[1] * s[1], T{0} },
{ r[2] * s[2], T{0} },
{ t, T{1} }};
}
template < typename T >
[[nodiscard]] constexpr mat<T, 4> trs(const vec<T, 3>& t, const qua<T>& r) {
return trs(t, rotate(r));
}
template < typename T >
[[nodiscard]] constexpr mat<T, 4> trs(const vec<T, 3>& t, const qua<T>& r, const vec<T, 3>& s) {
return trs(t, rotate(r), s);
}
// translate
template < typename T >
@@ -555,6 +585,24 @@ namespace vmath_hpp
namespace vmath_hpp
{
// trs
template < typename T >
[[nodiscard]] constexpr mat<T, 3> trs(const vec<T, 2>& t, const mat<T, 2>& r) {
return {
{ r[0], T{0} },
{ r[1], T{0} },
{ t, T{1} }};
}
template < typename T >
[[nodiscard]] constexpr mat<T, 3> trs(const vec<T, 2>& t, const mat<T, 2>& r, const vec<T, 2>& s) {
return {
{ r[0] * s[0], T{0} },
{ r[1] * s[1], T{0} },
{ t, T{1} }};
}
// translate
template < typename T >