diff options
Diffstat (limited to 'core')
| -rw-r--r-- | core/math/math_funcs.h | 13 | ||||
| -rw-r--r-- | core/variant/variant_utility.cpp | 5 |
2 files changed, 18 insertions, 0 deletions
diff --git a/core/math/math_funcs.h b/core/math/math_funcs.h index 4e4f566517..5824d194a6 100644 --- a/core/math/math_funcs.h +++ b/core/math/math_funcs.h @@ -291,6 +291,19 @@ public: return is_zero_approx(range) ? min : value - (range * Math::floor((value - min) / range)); } + static _ALWAYS_INLINE_ float fract(float value) { + return value - floor(value); + } + static _ALWAYS_INLINE_ double fract(double value) { + return value - floor(value); + } + static _ALWAYS_INLINE_ float pingpong(float value, float length) { + return (length != 0.0f) ? abs(fract((value - length) / (length * 2.0f)) * length * 2.0f - length) : 0.0f; + } + static _ALWAYS_INLINE_ double pingpong(double value, double length) { + return (length != 0.0) ? abs(fract((value - length) / (length * 2.0)) * length * 2.0 - length) : 0.0; + } + // double only, as these functions are mainly used by the editor and not performance-critical, static double ease(double p_x, double p_c); static int step_decimals(double p_step); diff --git a/core/variant/variant_utility.cpp b/core/variant/variant_utility.cpp index 666b582e39..e89bdd4faa 100644 --- a/core/variant/variant_utility.cpp +++ b/core/variant/variant_utility.cpp @@ -275,6 +275,10 @@ struct VariantUtilityFunctions { return Math::wrapf(value, min, max); } + static inline double pingpong(double value, double length) { + return Math::pingpong(value, length); + } + static inline Variant max(const Variant **p_args, int p_argcount, Callable::CallError &r_error) { if (p_argcount < 2) { r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS; @@ -1226,6 +1230,7 @@ void Variant::_register_variant_utility_functions() { FUNCBINDR(clampf, sarray("value", "min", "max"), Variant::UTILITY_FUNC_TYPE_MATH); FUNCBINDR(nearest_po2, sarray("value"), Variant::UTILITY_FUNC_TYPE_MATH); + FUNCBINDR(pingpong, sarray("value", "length"), Variant::UTILITY_FUNC_TYPE_MATH); // Random |