diff options
Diffstat (limited to 'src/common/vector_math.h')
| -rw-r--r-- | src/common/vector_math.h | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/src/common/vector_math.h b/src/common/vector_math.h index e62eeea2e..b4885835d 100644 --- a/src/common/vector_math.h +++ b/src/common/vector_math.h @@ -259,6 +259,20 @@ public: return *this; } + void RotateFromOrigin(float roll, float pitch, float yaw) { + float temp = y; + y = std::cos(roll) * y - std::sin(roll) * z; + z = std::sin(roll) * temp + std::cos(roll) * z; + + temp = x; + x = std::cos(pitch) * x + std::sin(pitch) * z; + z = -std::sin(pitch) * temp + std::cos(pitch) * z; + + temp = x; + x = std::cos(yaw) * x - std::sin(yaw) * y; + y = std::sin(yaw) * temp + std::cos(yaw) * y; + } + [[nodiscard]] constexpr T Length2() const { return x * x + y * y + z * z; } @@ -348,9 +362,7 @@ public: // _DEFINE_SWIZZLER2 defines a single such function, DEFINE_SWIZZLER2 defines all of them for all // component names (x<->r) and permutations (xy<->yx) #define _DEFINE_SWIZZLER2(a, b, name) \ - [[nodiscard]] constexpr Vec2<T> name() const { \ - return Vec2<T>(a, b); \ - } + [[nodiscard]] constexpr Vec2<T> name() const { return Vec2<T>(a, b); } #define DEFINE_SWIZZLER2(a, b, a2, b2, a3, b3, a4, b4) \ _DEFINE_SWIZZLER2(a, b, a##b); \ _DEFINE_SWIZZLER2(a, b, a2##b2); \ @@ -543,9 +555,7 @@ public: // DEFINE_SWIZZLER2_COMP2 defines two component functions for all component names (x<->r) and // permutations (xy<->yx) #define _DEFINE_SWIZZLER2(a, b, name) \ - [[nodiscard]] constexpr Vec2<T> name() const { \ - return Vec2<T>(a, b); \ - } + [[nodiscard]] constexpr Vec2<T> name() const { return Vec2<T>(a, b); } #define DEFINE_SWIZZLER2_COMP1(a, a2) \ _DEFINE_SWIZZLER2(a, a, a##a); \ _DEFINE_SWIZZLER2(a, a, a2##a2) @@ -570,9 +580,7 @@ public: #undef _DEFINE_SWIZZLER2 #define _DEFINE_SWIZZLER3(a, b, c, name) \ - [[nodiscard]] constexpr Vec3<T> name() const { \ - return Vec3<T>(a, b, c); \ - } + [[nodiscard]] constexpr Vec3<T> name() const { return Vec3<T>(a, b, c); } #define DEFINE_SWIZZLER3_COMP1(a, a2) \ _DEFINE_SWIZZLER3(a, a, a, a##a##a); \ _DEFINE_SWIZZLER3(a, a, a, a2##a2##a2) @@ -641,8 +649,8 @@ template <typename T> // linear interpolation via float: 0.0=begin, 1.0=end template <typename X> -[[nodiscard]] constexpr decltype(X{} * float{} + X{} * float{}) - Lerp(const X& begin, const X& end, const float t) { +[[nodiscard]] constexpr decltype(X{} * float{} + X{} * float{}) Lerp(const X& begin, const X& end, + const float t) { return begin * (1.f - t) + end * t; } |