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107 lines
2.7 KiB
107 lines
2.7 KiB
/// @ref core |
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/// @file glm/detail/_noise.hpp |
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#pragma once |
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#include "../vec2.hpp" |
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#include "../vec3.hpp" |
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#include "../vec4.hpp" |
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#include "../common.hpp" |
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namespace glm{ |
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namespace detail |
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{ |
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template<typename T> |
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GLM_FUNC_QUALIFIER T mod289(T const & x) |
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{ |
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return x - floor(x * (static_cast<T>(1.0) / static_cast<T>(289.0))) * static_cast<T>(289.0); |
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} |
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template<typename T> |
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GLM_FUNC_QUALIFIER T permute(T const & x) |
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{ |
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return mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x); |
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} |
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template<typename T, precision P> |
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GLM_FUNC_QUALIFIER vec<2, T, P> permute(vec<2, T, P> const & x) |
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{ |
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return mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x); |
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} |
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template<typename T, precision P> |
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GLM_FUNC_QUALIFIER vec<3, T, P> permute(vec<3, T, P> const & x) |
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{ |
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return mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x); |
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} |
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template<typename T, precision P> |
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GLM_FUNC_QUALIFIER vec<4, T, P> permute(vec<4, T, P> const & x) |
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{ |
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return mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x); |
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} |
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/* |
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template<typename T, precision P, template<typename> class vecType> |
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GLM_FUNC_QUALIFIER vecType<L, T, P> permute(vecType<L, T, P> const & x) |
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{ |
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return mod289(((x * T(34)) + T(1)) * x); |
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} |
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*/ |
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template<typename T> |
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GLM_FUNC_QUALIFIER T taylorInvSqrt(T const & r) |
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{ |
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return T(1.79284291400159) - T(0.85373472095314) * r; |
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} |
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template<typename T, precision P> |
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GLM_FUNC_QUALIFIER vec<2, T, P> taylorInvSqrt(vec<2, T, P> const & r) |
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{ |
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return T(1.79284291400159) - T(0.85373472095314) * r; |
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} |
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template<typename T, precision P> |
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GLM_FUNC_QUALIFIER vec<3, T, P> taylorInvSqrt(vec<3, T, P> const & r) |
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{ |
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return T(1.79284291400159) - T(0.85373472095314) * r; |
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} |
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template<typename T, precision P> |
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GLM_FUNC_QUALIFIER vec<4, T, P> taylorInvSqrt(vec<4, T, P> const & r) |
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{ |
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return T(1.79284291400159) - T(0.85373472095314) * r; |
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} |
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/* |
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template<typename T, precision P, template<typename> class vecType> |
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GLM_FUNC_QUALIFIER vecType<L, T, P> taylorInvSqrt(vecType<L, T, P> const & r) |
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{ |
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return T(1.79284291400159) - T(0.85373472095314) * r; |
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} |
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*/ |
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template<typename T, precision P> |
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GLM_FUNC_QUALIFIER vec<2, T, P> fade(vec<2, T, P> const & t) |
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{ |
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return (t * t * t) * (t * (t * T(6) - T(15)) + T(10)); |
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} |
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template<typename T, precision P> |
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GLM_FUNC_QUALIFIER vec<3, T, P> fade(vec<3, T, P> const & t) |
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{ |
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return (t * t * t) * (t * (t * T(6) - T(15)) + T(10)); |
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} |
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template<typename T, precision P> |
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GLM_FUNC_QUALIFIER vec<4, T, P> fade(vec<4, T, P> const & t) |
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{ |
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return (t * t * t) * (t * (t * T(6) - T(15)) + T(10)); |
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} |
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/* |
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template<typename T, precision P, template<typename> class vecType> |
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GLM_FUNC_QUALIFIER vecType<L, T, P> fade(vecType<L, T, P> const & t) |
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{ |
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return (t * t * t) * (t * (t * T(6) - T(15)) + T(10)); |
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} |
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*/ |
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}//namespace detail |
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}//namespace glm |
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