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Add math::inverse_smoothstep

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This commit is contained in:
Nikita Lisitsa 2025-02-23 13:56:13 +03:00
parent 4c16594b3f
commit 4f4e86ce4f
1 changed files with 6 additions and 0 deletions
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6
libs/math/include/psemek/math/math.hpp
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@ -225,4 +225,10 @@ namespace psemek::math
return x * x * x * (10 - x * (15 - 6 * x)); return x * x * x * (10 - x * (15 - 6 * x));
} }
template <typename T>
T inverse_smoothstep(T x)
{
return T{1} / T{2} - std::sin(std::asin(T{1} - T{2} * x) / T{3});
}
} }