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author | erorcun <erayorcunus@gmail.com> | 2020-06-16 22:02:21 +0200 |
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committer | GitHub <noreply@github.com> | 2020-06-16 22:02:21 +0200 |
commit | d322a8033e07cf286891fdc165c7b77dfe6b762e (patch) | |
tree | 30a5d3a4181030ca731ae38f20df077a22b91e67 /src/core/General.h | |
parent | Update ModelIndices.h (diff) | |
parent | fix crash-VC pickup scaling (diff) | |
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Diffstat (limited to 'src/core/General.h')
-rw-r--r-- | src/core/General.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/core/General.h b/src/core/General.h index 3188d82b..dbf169e9 100644 --- a/src/core/General.h +++ b/src/core/General.h @@ -134,6 +134,18 @@ public: return *str2 != '\0'; } + static bool SolveQuadratic(float a, float b, float c, float &root1, float &root2) + { + float discriminant = b * b - 4.f * a * c; + if (discriminant < 0.f) + return false; + + float discriminantSqrt = Sqrt(discriminant); + root2 = (-b + discriminantSqrt) / (2.f * a); + root1 = (-b - discriminantSqrt) / (2.f * a); + return true; + } + // not too sure about all these... static uint16 GetRandomNumber(void) { return myrand() & MYRAND_MAX; } |