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Diffstat (limited to 'src/math/func.h')
| -rw-r--r-- | src/math/func.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/math/func.h b/src/math/func.h index 2127d1a..e97d990 100644 --- a/src/math/func.h +++ b/src/math/func.h @@ -127,6 +127,14 @@ inline float Rand() return static_cast<float>(rand()) / static_cast<float>(RAND_MAX); } +//! Returns the next nearest power of two to \a x +inline int NextPowerOfTwo(int x) +{ + double logbase2 = log(static_cast<float>(x)) / Math::LOG_2; + return static_cast<int>(pow(2, ceil(logbase2)) + 0.5); +} + + //! Returns a normalized angle, that is in other words between 0 and 2 * PI inline float NormAngle(float angle) { |