diff options
Diffstat (limited to 'core/math/math_funcs.h')
| -rw-r--r-- | core/math/math_funcs.h | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/core/math/math_funcs.h b/core/math/math_funcs.h index 80e580545..20001bb9a 100644 --- a/core/math/math_funcs.h +++ b/core/math/math_funcs.h @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */ +/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ @@ -27,6 +27,7 @@ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ + #ifndef MATH_FUNCS_H #define MATH_FUNCS_H @@ -208,8 +209,18 @@ public: static _ALWAYS_INLINE_ double round(double p_val) { return (p_val >= 0) ? Math::floor(p_val + 0.5) : -Math::floor(-p_val + 0.5); } static _ALWAYS_INLINE_ float round(float p_val) { return (p_val >= 0) ? Math::floor(p_val + 0.5) : -Math::floor(-p_val + 0.5); } - static int wrapi(int value, int min, int max); - static float wrapf(float value, float min, float max); + static _ALWAYS_INLINE_ int wrapi(int value, int min, int max) { + int rng = max - min; + return min + ((((value - min) % rng) + rng) % rng); + } + static _ALWAYS_INLINE_ double wrapf(double value, double min, double max) { + double rng = max - min; + return value - (rng * Math::floor((value - min) / rng)); + } + static _ALWAYS_INLINE_ float wrapf(float value, float min, float max) { + float rng = max - min; + return value - (rng * Math::floor((value - min) / rng)); + } // double only, as these functions are mainly used by the editor and not performance-critical, static double ease(double p_x, double p_c); |