From 3bf42c6ff3805a0d42bbc661794a95ff31bedc26 Mon Sep 17 00:00:00 2001
From: untodesu <kirill@untode.su>
Date: Sat, 15 Mar 2025 16:22:09 +0500
Subject: Add whatever I was working on for the last month

---
 deps/include/glm/gtc/random.inl | 303 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 303 insertions(+)
 create mode 100644 deps/include/glm/gtc/random.inl

(limited to 'deps/include/glm/gtc/random.inl')

diff --git a/deps/include/glm/gtc/random.inl b/deps/include/glm/gtc/random.inl
new file mode 100644
index 0000000..249ec9f
--- /dev/null
+++ b/deps/include/glm/gtc/random.inl
@@ -0,0 +1,303 @@
+#include "../geometric.hpp"
+#include "../exponential.hpp"
+#include "../trigonometric.hpp"
+#include "../detail/type_vec1.hpp"
+#include <cstdlib>
+#include <ctime>
+#include <cassert>
+#include <cmath>
+
+namespace glm{
+namespace detail
+{
+	template <length_t L, typename T, qualifier Q>
+	struct compute_rand
+	{
+		GLM_FUNC_QUALIFIER static vec<L, T, Q> call();
+	};
+
+	template <qualifier P>
+	struct compute_rand<1, uint8, P>
+	{
+		GLM_FUNC_QUALIFIER static vec<1, uint8, P> call()
+		{
+			return vec<1, uint8, P>(
+				static_cast<uint8>(std::rand() % std::numeric_limits<uint8>::max()));
+		}
+	};
+
+	template <qualifier P>
+	struct compute_rand<2, uint8, P>
+	{
+		GLM_FUNC_QUALIFIER static vec<2, uint8, P> call()
+		{
+			return vec<2, uint8, P>(
+				std::rand() % std::numeric_limits<uint8>::max(),
+				std::rand() % std::numeric_limits<uint8>::max());
+		}
+	};
+
+	template <qualifier P>
+	struct compute_rand<3, uint8, P>
+	{
+		GLM_FUNC_QUALIFIER static vec<3, uint8, P> call()
+		{
+			return vec<3, uint8, P>(
+				std::rand() % std::numeric_limits<uint8>::max(),
+				std::rand() % std::numeric_limits<uint8>::max(),
+				std::rand() % std::numeric_limits<uint8>::max());
+		}
+	};
+
+	template <qualifier P>
+	struct compute_rand<4, uint8, P>
+	{
+		GLM_FUNC_QUALIFIER static vec<4, uint8, P> call()
+		{
+			return vec<4, uint8, P>(
+				std::rand() % std::numeric_limits<uint8>::max(),
+				std::rand() % std::numeric_limits<uint8>::max(),
+				std::rand() % std::numeric_limits<uint8>::max(),
+				std::rand() % std::numeric_limits<uint8>::max());
+		}
+	};
+
+	template <length_t L, qualifier Q>
+	struct compute_rand<L, uint16, Q>
+	{
+		GLM_FUNC_QUALIFIER static vec<L, uint16, Q> call()
+		{
+			return
+				(vec<L, uint16, Q>(compute_rand<L, uint8, Q>::call()) << static_cast<uint16>(8)) |
+				(vec<L, uint16, Q>(compute_rand<L, uint8, Q>::call()) << static_cast<uint16>(0));
+		}
+	};
+
+	template <length_t L, qualifier Q>
+	struct compute_rand<L, uint32, Q>
+	{
+		GLM_FUNC_QUALIFIER static vec<L, uint32, Q> call()
+		{
+			return
+				(vec<L, uint32, Q>(compute_rand<L, uint16, Q>::call()) << static_cast<uint32>(16)) |
+				(vec<L, uint32, Q>(compute_rand<L, uint16, Q>::call()) << static_cast<uint32>(0));
+		}
+	};
+
+	template <length_t L, qualifier Q>
+	struct compute_rand<L, uint64, Q>
+	{
+		GLM_FUNC_QUALIFIER static vec<L, uint64, Q> call()
+		{
+			return
+				(vec<L, uint64, Q>(compute_rand<L, uint32, Q>::call()) << static_cast<uint64>(32)) |
+				(vec<L, uint64, Q>(compute_rand<L, uint32, Q>::call()) << static_cast<uint64>(0));
+		}
+	};
+
+	template <length_t L, typename T, qualifier Q>
+	struct compute_linearRand
+	{
+		GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& Min, vec<L, T, Q> const& Max);
+	};
+
+	template<length_t L, qualifier Q>
+	struct compute_linearRand<L, int8, Q>
+	{
+		GLM_FUNC_QUALIFIER static vec<L, int8, Q> call(vec<L, int8, Q> const& Min, vec<L, int8, Q> const& Max)
+		{
+			return (vec<L, int8, Q>(compute_rand<L, uint8, Q>::call() % vec<L, uint8, Q>(Max + static_cast<int8>(1) - Min))) + Min;
+		}
+	};
+
+	template<length_t L, qualifier Q>
+	struct compute_linearRand<L, uint8, Q>
+	{
+		GLM_FUNC_QUALIFIER static vec<L, uint8, Q> call(vec<L, uint8, Q> const& Min, vec<L, uint8, Q> const& Max)
+		{
+			return (compute_rand<L, uint8, Q>::call() % (Max + static_cast<uint8>(1) - Min)) + Min;
+		}
+	};
+
+	template<length_t L, qualifier Q>
+	struct compute_linearRand<L, int16, Q>
+	{
+		GLM_FUNC_QUALIFIER static vec<L, int16, Q> call(vec<L, int16, Q> const& Min, vec<L, int16, Q> const& Max)
+		{
+			return (vec<L, int16, Q>(compute_rand<L, uint16, Q>::call() % vec<L, uint16, Q>(Max + static_cast<int16>(1) - Min))) + Min;
+		}
+	};
+
+	template<length_t L, qualifier Q>
+	struct compute_linearRand<L, uint16, Q>
+	{
+		GLM_FUNC_QUALIFIER static vec<L, uint16, Q> call(vec<L, uint16, Q> const& Min, vec<L, uint16, Q> const& Max)
+		{
+			return (compute_rand<L, uint16, Q>::call() % (Max + static_cast<uint16>(1) - Min)) + Min;
+		}
+	};
+
+	template<length_t L, qualifier Q>
+	struct compute_linearRand<L, int32, Q>
+	{
+		GLM_FUNC_QUALIFIER static vec<L, int32, Q> call(vec<L, int32, Q> const& Min, vec<L, int32, Q> const& Max)
+		{
+			return (vec<L, int32, Q>(compute_rand<L, uint32, Q>::call() % vec<L, uint32, Q>(Max + static_cast<int32>(1) - Min))) + Min;
+		}
+	};
+
+	template<length_t L, qualifier Q>
+	struct compute_linearRand<L, uint32, Q>
+	{
+		GLM_FUNC_QUALIFIER static vec<L, uint32, Q> call(vec<L, uint32, Q> const& Min, vec<L, uint32, Q> const& Max)
+		{
+			return (compute_rand<L, uint32, Q>::call() % (Max + static_cast<uint32>(1) - Min)) + Min;
+		}
+	};
+
+	template<length_t L, qualifier Q>
+	struct compute_linearRand<L, int64, Q>
+	{
+		GLM_FUNC_QUALIFIER static vec<L, int64, Q> call(vec<L, int64, Q> const& Min, vec<L, int64, Q> const& Max)
+		{
+			return (vec<L, int64, Q>(compute_rand<L, uint64, Q>::call() % vec<L, uint64, Q>(Max + static_cast<int64>(1) - Min))) + Min;
+		}
+	};
+
+	template<length_t L, qualifier Q>
+	struct compute_linearRand<L, uint64, Q>
+	{
+		GLM_FUNC_QUALIFIER static vec<L, uint64, Q> call(vec<L, uint64, Q> const& Min, vec<L, uint64, Q> const& Max)
+		{
+			return (compute_rand<L, uint64, Q>::call() % (Max + static_cast<uint64>(1) - Min)) + Min;
+		}
+	};
+
+	template<length_t L, qualifier Q>
+	struct compute_linearRand<L, float, Q>
+	{
+		GLM_FUNC_QUALIFIER static vec<L, float, Q> call(vec<L, float, Q> const& Min, vec<L, float, Q> const& Max)
+		{
+			return vec<L, float, Q>(compute_rand<L, uint32, Q>::call()) / static_cast<float>(std::numeric_limits<uint32>::max()) * (Max - Min) + Min;
+		}
+	};
+
+	template<length_t L, qualifier Q>
+	struct compute_linearRand<L, double, Q>
+	{
+		GLM_FUNC_QUALIFIER static vec<L, double, Q> call(vec<L, double, Q> const& Min, vec<L, double, Q> const& Max)
+		{
+			return vec<L, double, Q>(compute_rand<L, uint64, Q>::call()) / static_cast<double>(std::numeric_limits<uint64>::max()) * (Max - Min) + Min;
+		}
+	};
+
+	template<length_t L, qualifier Q>
+	struct compute_linearRand<L, long double, Q>
+	{
+		GLM_FUNC_QUALIFIER static vec<L, long double, Q> call(vec<L, long double, Q> const& Min, vec<L, long double, Q> const& Max)
+		{
+			return vec<L, long double, Q>(compute_rand<L, uint64, Q>::call()) / static_cast<long double>(std::numeric_limits<uint64>::max()) * (Max - Min) + Min;
+		}
+	};
+}//namespace detail
+
+	template<typename genType>
+	GLM_FUNC_QUALIFIER genType linearRand(genType Min, genType Max)
+	{
+		return detail::compute_linearRand<1, genType, highp>::call(
+			vec<1, genType, highp>(Min),
+			vec<1, genType, highp>(Max)).x;
+	}
+
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER vec<L, T, Q> linearRand(vec<L, T, Q> const& Min, vec<L, T, Q> const& Max)
+	{
+		return detail::compute_linearRand<L, T, Q>::call(Min, Max);
+	}
+
+	template<typename genType>
+	GLM_FUNC_QUALIFIER genType gaussRand(genType Mean, genType Deviation)
+	{
+		genType w, x1, x2;
+
+		do
+		{
+			x1 = linearRand(genType(-1), genType(1));
+			x2 = linearRand(genType(-1), genType(1));
+
+			w = x1 * x1 + x2 * x2;
+		} while(w > genType(1));
+
+		return static_cast<genType>(x2 * Deviation * Deviation * sqrt((genType(-2) * log(w)) / w) + Mean);
+	}
+
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER vec<L, T, Q> gaussRand(vec<L, T, Q> const& Mean, vec<L, T, Q> const& Deviation)
+	{
+		return detail::functor2<vec, L, T, Q>::call(gaussRand, Mean, Deviation);
+	}
+
+	template<typename T>
+	GLM_FUNC_QUALIFIER vec<2, T, defaultp> diskRand(T Radius)
+	{
+		assert(Radius > static_cast<T>(0));
+
+		vec<2, T, defaultp> Result(T(0));
+		T LenRadius(T(0));
+
+		do
+		{
+			Result = linearRand(
+				vec<2, T, defaultp>(-Radius),
+				vec<2, T, defaultp>(Radius));
+			LenRadius = length(Result);
+		}
+		while(LenRadius > Radius);
+
+		return Result;
+	}
+
+	template<typename T>
+	GLM_FUNC_QUALIFIER vec<3, T, defaultp> ballRand(T Radius)
+	{
+		assert(Radius > static_cast<T>(0));
+
+		vec<3, T, defaultp> Result(T(0));
+		T LenRadius(T(0));
+
+		do
+		{
+			Result = linearRand(
+				vec<3, T, defaultp>(-Radius),
+				vec<3, T, defaultp>(Radius));
+			LenRadius = length(Result);
+		}
+		while(LenRadius > Radius);
+
+		return Result;
+	}
+
+	template<typename T>
+	GLM_FUNC_QUALIFIER vec<2, T, defaultp> circularRand(T Radius)
+	{
+		assert(Radius > static_cast<T>(0));
+
+		T a = linearRand(T(0), static_cast<T>(6.283185307179586476925286766559));
+		return vec<2, T, defaultp>(glm::cos(a), glm::sin(a)) * Radius;
+	}
+
+	template<typename T>
+	GLM_FUNC_QUALIFIER vec<3, T, defaultp> sphericalRand(T Radius)
+	{
+		assert(Radius > static_cast<T>(0));
+
+		T theta = linearRand(T(0), T(6.283185307179586476925286766559f));
+		T phi = std::acos(linearRand(T(-1.0f), T(1.0f)));
+
+		T x = std::sin(phi) * std::cos(theta);
+		T y = std::sin(phi) * std::sin(theta);
+		T z = std::cos(phi);
+
+		return vec<3, T, defaultp>(x, y, z) * Radius;
+	}
+}//namespace glm
-- 
cgit