diff options
| author | wwylele <wwylele@gmail.com> | 2016-12-11 23:28:55 +0200 |
|---|---|---|
| committer | wwylele <wwylele@gmail.com> | 2016-12-26 10:41:26 +0200 |
| commit | 2e6d8e1321c81e29a85f46c0ff3c0280e3f95b9f (patch) | |
| tree | 7402e977c2d1ea1f01f26ad08a21cdaf3e333bd6 /src/common/vector_math.h | |
| parent | 55f5d0f7770ea625e283aa7878340fc80a70cfd7 (diff) | |
vector math: add implementation of Length and Normalize
Diffstat (limited to 'src/common/vector_math.h')
| -rw-r--r-- | src/common/vector_math.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/common/vector_math.h b/src/common/vector_math.h index a57d86d880..7ca8e15f56 100644 --- a/src/common/vector_math.h +++ b/src/common/vector_math.h @@ -186,6 +186,18 @@ Vec2<T> operator*(const V& f, const Vec2<T>& vec) { typedef Vec2<float> Vec2f; +template <> +inline float Vec2<float>::Length() const { + return std::sqrt(x * x + y * y); +} + +template <> +inline float Vec2<float>::Normalize() { + float length = Length(); + *this /= length; + return length; +} + template <typename T> class Vec3 { public: @@ -388,6 +400,13 @@ inline Vec3<float> Vec3<float>::Normalized() const { return *this / Length(); } +template <> +inline float Vec3<float>::Normalize() { + float length = Length(); + *this /= length; + return length; +} + typedef Vec3<float> Vec3f; template <typename T> |