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author | aap <aap@papnet.eu> | 2020-04-17 15:15:42 +0200 |
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committer | aap <aap@papnet.eu> | 2020-04-17 15:15:42 +0200 |
commit | 6ef7924e0122155c390698bdd66e9757f4da5fa0 (patch) | |
tree | 80df77d24bd7a6fbcd29b4026fe7291b519bd4a3 /src/math/Vector2D.h | |
parent | librw submodule (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/math/Vector2D.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/math/Vector2D.h b/src/math/Vector2D.h index 705ad763..0885a5d2 100644 --- a/src/math/Vector2D.h +++ b/src/math/Vector2D.h @@ -11,16 +11,18 @@ public: float Magnitude(void) const { return Sqrt(x*x + y*y); } float MagnitudeSqr(void) const { return x*x + y*y; } - void Normalise(void){ + void Normalise(void); + + void NormaliseSafe(void) { float sq = MagnitudeSqr(); - //if(sq > 0.0f){ + if(sq > 0.0f){ float invsqrt = RecipSqrt(sq); x *= invsqrt; y *= invsqrt; - //}else - // x = 1.0f; + }else + y = 1.0f; } - + const CVector2D &operator+=(CVector2D const &right) { x += right.x; y += right.y; |