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| author | erorcun <erayorcunus@gmail.com> | 2020-10-18 18:45:11 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-10-18 18:45:11 +0200 |
| commit | 70f9832e14ff452e81ae580a1a15b9d6f4bd63b6 (patch) | |
| tree | c2a222cfdbb5d7ebcd9acf27920b7fa6da6918d1 /src/math | |
| parent | typo fixes (diff) | |
| parent | Merge pull request #772 from Nick007J/miami (diff) | |
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Diffstat (limited to '')
| -rw-r--r-- | src/math/Vector.h | 8 | ||||
| -rw-r--r-- | src/math/Vector2D.h | 3 |
2 files changed, 11 insertions, 0 deletions
diff --git a/src/math/Vector.h b/src/math/Vector.h index 7ee01149..082b296f 100644 --- a/src/math/Vector.h +++ b/src/math/Vector.h @@ -115,6 +115,14 @@ Distance(const CVector &v1, const CVector &v2) return (v2 - v1).Magnitude(); } +inline float +Distance2D(const CVector &v1, const CVector &v2) +{ + float x = v2.x - v1.x; + float y = v2.y - v1.y; + return Sqrt(x*x + y*y); +} + class CMatrix; CVector Multiply3x3(const CMatrix &mat, const CVector &vec); diff --git a/src/math/Vector2D.h b/src/math/Vector2D.h index 2c4e57b5..deabd0b1 100644 --- a/src/math/Vector2D.h +++ b/src/math/Vector2D.h @@ -53,6 +53,9 @@ public: CVector2D operator/(float t) const { return CVector2D(x/t, y/t); } + CVector2D operator-() const { + return CVector2D(-x, -y); + } }; inline float |