diff options
Diffstat (limited to 'src/math/Vector2D.h')
| -rw-r--r-- | src/math/Vector2D.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/math/Vector2D.h b/src/math/Vector2D.h index e6b04c14..c8835ec0 100644 --- a/src/math/Vector2D.h +++ b/src/math/Vector2D.h @@ -7,13 +7,14 @@ public: CVector2D(void) {} CVector2D(float x, float y) : x(x), y(y) {} CVector2D(const CVector &v) : x(v.x), y(v.y) {} + float Heading(void) const { return Atan2(-x, y); } float Magnitude(void) const { return Sqrt(x*x + y*y); } float MagnitudeSqr(void) const { return x*x + y*y; } void Normalise(void){ float sq = MagnitudeSqr(); if(sq > 0.0f){ - float invsqrt = 1.0f/Sqrt(sq); + float invsqrt = RecipSqrt(sq); x *= invsqrt; y *= invsqrt; }else |