diff --git a/glm/detail/func_noise.hpp b/glm/detail/func_noise.hpp deleted file mode 100644 index c531b4d9..00000000 --- a/glm/detail/func_noise.hpp +++ /dev/null @@ -1,93 +0,0 @@ -/////////////////////////////////////////////////////////////////////////////////// -/// OpenGL Mathematics (glm.g-truc.net) -/// -/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net) -/// Permission is hereby granted, free of charge, to any person obtaining a copy -/// of this software and associated documentation files (the "Software"), to deal -/// in the Software without restriction, including without limitation the rights -/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -/// copies of the Software, and to permit persons to whom the Software is -/// furnished to do so, subject to the following conditions: -/// -/// The above copyright notice and this permission notice shall be included in -/// all copies or substantial portions of the Software. -/// -/// Restrictions: -/// By making use of the Software for military purposes, you choose to make -/// a Bunny unhappy. -/// -/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -/// THE SOFTWARE. -/// -/// @ref core -/// @file glm/detail/func_noise.hpp -/// @date 2008-08-01 / 2011-06-18 -/// @author Christophe Riccio -/// -/// @see GLSL 4.20.8 specification, section 8.13 Noise Functions -/// -/// @defgroup core_func_noise Noise functions -/// @ingroup core -/// -/// Noise functions are stochastic functions that can be used to increase visual -/// complexity. Values returned by the following noise functions give the -/// appearance of randomness, but are not truly random. -/////////////////////////////////////////////////////////////////////////////////// - -#pragma once - -#include "type_vec1.hpp" -#include "type_vec2.hpp" -#include "type_vec3.hpp" -#include "setup.hpp" - -namespace glm -{ - /// @addtogroup core_func_noise - /// @{ - - /// Returns a 1D noise value based on the input value x. - /// - /// @tparam genType Floating-point scalar or vector types. - /// - /// @see GLSL noise1 man page - /// @see GLSL 4.20.8 specification, section 8.13 Noise Functions - template - GLM_FUNC_DECL typename genType::value_type noise1(genType const & x) GLM_NOEXCEPT; - - /// Returns a 2D noise value based on the input value x. - /// - /// @tparam genType Floating-point scalar or vector types. - /// - /// @see GLSL noise2 man page - /// @see GLSL 4.20.8 specification, section 8.13 Noise Functions - template - GLM_FUNC_DECL tvec2 noise2(genType const & x) GLM_NOEXCEPT; - - /// Returns a 3D noise value based on the input value x. - /// - /// @tparam genType Floating-point scalar or vector types. - /// - /// @see GLSL noise3 man page - /// @see GLSL 4.20.8 specification, section 8.13 Noise Functions - template - GLM_FUNC_DECL tvec3 noise3(genType const & x) GLM_NOEXCEPT; - - /// Returns a 4D noise value based on the input value x. - /// - /// @tparam genType Floating-point scalar or vector types. - /// - /// @see GLSL noise4 man page - /// @see GLSL 4.20.8 specification, section 8.13 Noise Functions - template - GLM_FUNC_DECL tvec4 noise4(genType const & x) GLM_NOEXCEPT; - - /// @} -}//namespace glm - -#include "func_noise.inl" diff --git a/glm/detail/func_noise.inl b/glm/detail/func_noise.inl deleted file mode 100644 index 0f7adcac..00000000 --- a/glm/detail/func_noise.inl +++ /dev/null @@ -1,388 +0,0 @@ -/////////////////////////////////////////////////////////////////////////////////// -/// OpenGL Mathematics (glm.g-truc.net) -/// -/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net) -/// Permission is hereby granted, free of charge, to any person obtaining a copy -/// of this software and associated documentation files (the "Software"), to deal -/// in the Software without restriction, including without limitation the rights -/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -/// copies of the Software, and to permit persons to whom the Software is -/// furnished to do so, subject to the following conditions: -/// -/// The above copyright notice and this permission notice shall be included in -/// all copies or substantial portions of the Software. -/// -/// Restrictions: -/// By making use of the Software for military purposes, you choose to make -/// a Bunny unhappy. -/// -/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -/// THE SOFTWARE. -/// -/// @ref core -/// @file glm/detail/func_noise.inl -/// @date 2008-08-01 / 2011-09-27 -/// @author Christophe Riccio -/////////////////////////////////////////////////////////////////////////////////// - -#include "../detail/_noise.hpp" -#include "./func_common.hpp" - -namespace glm{ -namespace detail -{ - template - GLM_FUNC_QUALIFIER tvec4 grad4(T const & j, tvec4 const & ip) GLM_NOEXCEPT - { - tvec3 pXYZ = floor(fract(tvec3(j) * tvec3(ip)) * T(7)) * ip[2] - T(1); - T pW = static_cast(1.5) - dot(abs(pXYZ), tvec3(1)); - tvec4 s = tvec4(lessThan(tvec4(pXYZ, pW), tvec4(0.0))); - pXYZ = pXYZ + (tvec3(s) * T(2) - T(1)) * s.w; - return tvec4(pXYZ, pW); - } -}//namespace detail - - template - GLM_FUNC_QUALIFIER T noise1(T const & x) GLM_NOEXCEPT - { - return noise1(tvec2(x, T(0))); - } - - template - GLM_FUNC_QUALIFIER tvec2 noise2(T const & x) GLM_NOEXCEPT - { - return tvec2( - noise1(x + T(0.0)), - noise1(x + T(1.0))); - } - - template - GLM_FUNC_QUALIFIER tvec3 noise3(T const & x) GLM_NOEXCEPT - { - return tvec3( - noise1(x - T(1.0)), - noise1(x + T(0.0)), - noise1(x + T(1.0))); - } - - template - GLM_FUNC_QUALIFIER tvec4 noise4(T const & x) GLM_NOEXCEPT - { - return tvec4( - noise1(x - T(1.0)), - noise1(x + T(0.0)), - noise1(x + T(1.0)), - noise1(x + T(2.0))); - } - - template - GLM_FUNC_QUALIFIER T noise1(tvec2 const & v) GLM_NOEXCEPT - { - tvec4 const C = tvec4( - T( 0.211324865405187), // (3.0 - sqrt(3.0)) / 6.0 - T( 0.366025403784439), // 0.5 * (sqrt(3.0) - 1.0) - T(-0.577350269189626), // -1.0 + 2.0 * C.x - T( 0.024390243902439)); // 1.0 / 41.0 - - // First corner - tvec2 i = floor(v + dot(v, tvec2(C[1]))); - tvec2 x0 = v - i + dot(i, tvec2(C[0])); - - // Other corners - //i1.x = step( x0.y, x0.x ); // x0.x > x0.y ? 1.0 : 0.0 - //i1.y = 1.0 - i1.x; - tvec2 i1 = (x0.x > x0.y) ? tvec2(1, 0) : tvec2(0, 1); - - // x0 = x0 - 0.0 + 0.0 * C.xx ; - // x1 = x0 - i1 + 1.0 * C.xx ; - // x2 = x0 - 1.0 + 2.0 * C.xx ; - tvec4 x12 = tvec4(x0.x, x0.y, x0.x, x0.y) + tvec4(C.x, C.x, C.z, C.z); - x12 = tvec4(tvec2(x12) - i1, x12.z, x12.w); - - // Permutations - i = mod(i, T(289)); // Avoid truncation effects in permutation - tvec3 p = detail::permute( - detail::permute(i.y + tvec3(T(0), i1.y, T(1))) + i.x + tvec3(T(0), i1.x, T(1))); - - tvec3 m = max(T(0.5) - tvec3( - dot(x0, x0), - dot(tvec2(x12.x, x12.y), tvec2(x12.x, x12.y)), - dot(tvec2(x12.z, x12.w), tvec2(x12.z, x12.w))), T(0)); - - m = m * m; - m = m * m; - - // Gradients: 41 points uniformly over a line, mapped onto a diamond. - // The ring size 17*17 = 289 is close to a multiple of 41 (41*7 = 287) - - tvec3 x = static_cast(2) * fract(p * C.w) - T(1); - tvec3 h = abs(x) - T(0.5); - tvec3 ox = floor(x + T(0.5)); - tvec3 a0 = x - ox; - - // Normalise gradients implicitly by scaling m - // Inlined for speed: m *= taylorInvSqrt( a0*a0 + h*h ); - m *= static_cast(1.79284291400159) - T(0.85373472095314) * (a0 * a0 + h * h); - - // Compute final noise value at P - tvec3 g; - g.x = a0.x * x0.x + h.x * x0.y; - //g.yz = a0.yz * x12.xz + h.yz * x12.yw; - g.y = a0.y * x12.x + h.y * x12.y; - g.z = a0.z * x12.z + h.z * x12.w; - return T(130) * dot(m, g); - } - - template - GLM_FUNC_QUALIFIER T noise1(tvec3 const & v) GLM_NOEXCEPT - { - tvec2 const C(1.0 / 6.0, 1.0 / 3.0); - tvec4 const D(0.0, 0.5, 1.0, 2.0); - - // First corner - tvec3 i(floor(v + dot(v, tvec3(C.y)))); - tvec3 x0(v - i + dot(i, tvec3(C.x))); - - // Other corners - tvec3 g(step(tvec3(x0.y, x0.z, x0.x), x0)); - tvec3 l(T(1) - g); - tvec3 i1(min(g, tvec3(l.z, l.x, l.y))); - tvec3 i2(max(g, tvec3(l.z, l.x, l.y))); - - // x0 = x0 - 0.0 + 0.0 * C.xxx; - // x1 = x0 - i1 + 1.0 * C.xxx; - // x2 = x0 - i2 + 2.0 * C.xxx; - // x3 = x0 - 1.0 + 3.0 * C.xxx; - tvec3 x1(x0 - i1 + C.x); - tvec3 x2(x0 - i2 + C.y); // 2.0*C.x = 1/3 = C.y - tvec3 x3(x0 - D.y); // -1.0+3.0*C.x = -0.5 = -D.y - - // Permutations - i = mod289(i); - tvec4 p(detail::permute(detail::permute(detail::permute( - i.z + tvec4(T(0), i1.z, i2.z, T(1))) + - i.y + tvec4(T(0), i1.y, i2.y, T(1))) + - i.x + tvec4(T(0), i1.x, i2.x, T(1)))); - - // Gradients: 7x7 points over a square, mapped onto an octahedron. - // The ring size 17*17 = 289 is close to a multiple of 49 (49*6 = 294) - T n_ = static_cast(0.142857142857); // 1.0/7.0 - tvec3 ns(n_ * tvec3(D.w, D.y, D.z) - tvec3(D.x, D.z, D.x)); - - tvec4 j(p - T(49) * floor(p * ns.z * ns.z)); // mod(p,7*7) - - tvec4 x_(floor(j * ns.z)); - tvec4 y_(floor(j - T(7) * x_)); // mod(j,N) - - tvec4 x(x_ * ns.x + ns.y); - tvec4 y(y_ * ns.x + ns.y); - tvec4 h(T(1) - abs(x) - abs(y)); - - tvec4 b0(x.x, x.y, y.x, y.y); - tvec4 b1(x.z, x.w, y.z, y.w); - - // vec4 s0 = vec4(lessThan(b0,0.0))*2.0 - 1.0; - // vec4 s1 = vec4(lessThan(b1,0.0))*2.0 - 1.0; - tvec4 s0(floor(b0) * T(2) + T(1)); - tvec4 s1(floor(b1) * T(2) + T(1)); - tvec4 sh(-step(h, tvec4(0.0))); - - tvec4 a0 = tvec4(b0.x, b0.z, b0.y, b0.w) + tvec4(s0.x, s0.z, s0.y, s0.w) * tvec4(sh.x, sh.x, sh.y, sh.y); - tvec4 a1 = tvec4(b1.x, b1.z, b1.y, b1.w) + tvec4(s1.x, s1.z, s1.y, s1.w) * tvec4(sh.z, sh.z, sh.w, sh.w); - - tvec3 p0(a0.x, a0.y, h.x); - tvec3 p1(a0.z, a0.w, h.y); - tvec3 p2(a1.x, a1.y, h.z); - tvec3 p3(a1.z, a1.w, h.w); - - // Normalise gradients - tvec4 norm = taylorInvSqrt(tvec4(dot(p0, p0), dot(p1, p1), dot(p2, p2), dot(p3, p3))); - p0 *= norm.x; - p1 *= norm.y; - p2 *= norm.z; - p3 *= norm.w; - - // Mix final noise value - tvec4 m = max(T(0.6) - tvec4(dot(x0, x0), dot(x1, x1), dot(x2, x2), dot(x3, x3)), T(0)); - m = m * m; - return T(42) * dot(m * m, tvec4(dot(p0, x0), dot(p1, x1), dot(p2, x2), dot(p3, x3))); - } - - template - GLM_FUNC_QUALIFIER T noise1(tvec4 const & v) GLM_NOEXCEPT - { - tvec4 const C( - 0.138196601125011, // (5 - sqrt(5))/20 G4 - 0.276393202250021, // 2 * G4 - 0.414589803375032, // 3 * G4 - -0.447213595499958); // -1 + 4 * G4 - - // (sqrt(5) - 1)/4 = F4, used once below - T const F4 = static_cast(0.309016994374947451); - - // First corner - tvec4 i = floor(v + dot(v, tvec4(F4))); - tvec4 x0 = v - i + dot(i, tvec4(C.x)); - - // Other corners - - // Rank sorting originally contributed by Bill Licea-Kane, AMD (formerly ATI) - tvec4 i0; - tvec3 isX = step(tvec3(x0.y, x0.z, x0.w), tvec3(x0.x)); - tvec3 isYZ = step(tvec3(x0.z, x0.w, x0.w), tvec3(x0.y, x0.y, x0.z)); - - // i0.x = dot(isX, vec3(1.0)); - //i0.x = isX.x + isX.y + isX.z; - //i0.yzw = static_cast(1) - isX; - i0 = tvec4(isX.x + isX.y + isX.z, T(1) - isX); - - // i0.y += dot(isYZ.xy, vec2(1.0)); - i0.y += isYZ.x + isYZ.y; - - //i0.zw += 1.0 - tvec2(isYZ.x, isYZ.y); - i0.z += static_cast(1) - isYZ.x; - i0.w += static_cast(1) - isYZ.y; - i0.z += isYZ.z; - i0.w += static_cast(1) - isYZ.z; - - // i0 now contains the unique values 0,1,2,3 in each channel - tvec4 i3 = clamp(i0, T(0), T(1)); - tvec4 i2 = clamp(i0 - T(1), T(0), T(1)); - tvec4 i1 = clamp(i0 - T(2), T(0), T(1)); - - // x0 = x0 - 0.0 + 0.0 * C.xxxx - // x1 = x0 - i1 + 0.0 * C.xxxx - // x2 = x0 - i2 + 0.0 * C.xxxx - // x3 = x0 - i3 + 0.0 * C.xxxx - // x4 = x0 - 1.0 + 4.0 * C.xxxx - tvec4 x1 = x0 - i1 + C.x; - tvec4 x2 = x0 - i2 + C.y; - tvec4 x3 = x0 - i3 + C.z; - tvec4 x4 = x0 + C.w; - - // Permutations - i = mod(i, T(289)); - T j0 = detail::permute(detail::permute(detail::permute(detail::permute(i.w) + i.z) + i.y) + i.x); - tvec4 j1 = detail::permute(detail::permute(detail::permute(detail::permute( - i.w + tvec4(i1.w, i2.w, i3.w, T(1))) + - i.z + tvec4(i1.z, i2.z, i3.z, T(1))) + - i.y + tvec4(i1.y, i2.y, i3.y, T(1))) + - i.x + tvec4(i1.x, i2.x, i3.x, T(1))); - - // Gradients: 7x7x6 points over a cube, mapped onto a 4-cross polytope - // 7*7*6 = 294, which is close to the ring size 17*17 = 289. - tvec4 ip = tvec4(T(1) / T(294), T(1) / T(49), T(1) / T(7), T(0)); - - tvec4 p0 = detail::grad4(j0, ip); - tvec4 p1 = detail::grad4(j1.x, ip); - tvec4 p2 = detail::grad4(j1.y, ip); - tvec4 p3 = detail::grad4(j1.z, ip); - tvec4 p4 = detail::grad4(j1.w, ip); - - // Normalise gradients - tvec4 norm = detail::taylorInvSqrt(tvec4(dot(p0, p0), dot(p1, p1), dot(p2, p2), dot(p3, p3))); - p0 *= norm.x; - p1 *= norm.y; - p2 *= norm.z; - p3 *= norm.w; - p4 *= taylorInvSqrt(dot(p4, p4)); - - // Mix contributions from the five corners - tvec3 m0 = max(T(0.6) - tvec3(dot(x0, x0), dot(x1, x1), dot(x2, x2)), T(0)); - tvec2 m1 = max(T(0.6) - tvec2(dot(x3, x3), dot(x4, x4) ), T(0)); - m0 = m0 * m0; - m1 = m1 * m1; - - return T(49) * ( - dot(m0 * m0, tvec3(dot(p0, x0), dot(p1, x1), dot(p2, x2))) + - dot(m1 * m1, tvec2(dot(p3, x3), dot(p4, x4)))); - } - - template - GLM_FUNC_QUALIFIER tvec2 noise2(tvec2 const & x) GLM_NOEXCEPT - { - return tvec2( - noise1(x + tvec2(0.0)), - noise1(tvec2(0.0) - x)); - } - - template - GLM_FUNC_QUALIFIER tvec2 noise2(tvec3 const & x) GLM_NOEXCEPT - { - return tvec2( - noise1(x + tvec3(0.0)), - noise1(tvec3(0.0) - x)); - } - - template - GLM_FUNC_QUALIFIER tvec2 noise2(tvec4 const & x) GLM_NOEXCEPT - { - return tvec2( - noise1(x + tvec4(0)), - noise1(tvec4(0) - x)); - } - - template - GLM_FUNC_QUALIFIER tvec3 noise3(tvec2 const & x) GLM_NOEXCEPT - { - return tvec3( - noise1(x - tvec2(1.0)), - noise1(x + tvec2(0.0)), - noise1(x + tvec2(1.0))); - } - - template - GLM_FUNC_QUALIFIER tvec3 noise3(tvec3 const & x) GLM_NOEXCEPT - { - return tvec3( - noise1(x - tvec3(1.0)), - noise1(x + tvec3(0.0)), - noise1(x + tvec3(1.0))); - } - - template - GLM_FUNC_QUALIFIER tvec3 noise3(tvec4 const & x) GLM_NOEXCEPT - { - return tvec3( - noise1(x - tvec4(1)), - noise1(x + tvec4(0)), - noise1(x + tvec4(1))); - } - - template - GLM_FUNC_QUALIFIER tvec4 noise4(tvec2 const & x) GLM_NOEXCEPT - { - return tvec4( - noise1(x - tvec2(1)), - noise1(x + tvec2(0)), - noise1(x + tvec2(1)), - noise1(x + tvec2(2))); - } - - - template - GLM_FUNC_QUALIFIER tvec4 noise4(tvec3 const & x) GLM_NOEXCEPT - { - return tvec4( - noise1(x - tvec3(1)), - noise1(x + tvec3(0)), - noise1(x + tvec3(1)), - noise1(x + tvec3(2))); - } - - template - GLM_FUNC_QUALIFIER tvec4 noise4(tvec4 const & x) GLM_NOEXCEPT - { - return tvec4( - noise1(x - tvec4(1)), - noise1(x + tvec4(0)), - noise1(x + tvec4(1)), - noise1(x + tvec4(2))); - } - -}//namespace glm