lucasb-eyer
ago%!(EXTRA string=10 years)
committed by
Christophe Riccio
parent
11f05cea58
commit
5e994bcf39
1 changed files with 232 additions and 232 deletions
@ -1,232 +1,232 @@ |
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///////////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////////
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/// OpenGL Mathematics (glm.g-truc.net)
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/// OpenGL Mathematics (glm.g-truc.net)
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///
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///
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/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
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/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
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/// Permission is hereby granted, free of charge, to any person obtaining a copy
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/// Permission is hereby granted, free of charge, to any person obtaining a copy
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/// of this software and associated documentation files (the "Software"), to deal
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/// of this software and associated documentation files (the "Software"), to deal
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/// in the Software without restriction, including without limitation the rights
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/// in the Software without restriction, including without limitation the rights
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/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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/// copies of the Software, and to permit persons to whom the Software is
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/// copies of the Software, and to permit persons to whom the Software is
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/// furnished to do so, subject to the following conditions:
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/// furnished to do so, subject to the following conditions:
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///
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///
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/// The above copyright notice and this permission notice shall be included in
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/// The above copyright notice and this permission notice shall be included in
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/// all copies or substantial portions of the Software.
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/// all copies or substantial portions of the Software.
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///
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///
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/// Restrictions:
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/// Restrictions:
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/// By making use of the Software for military purposes, you choose to make
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/// By making use of the Software for military purposes, you choose to make
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/// a Bunny unhappy.
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/// a Bunny unhappy.
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///
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///
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/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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/// THE SOFTWARE.
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/// THE SOFTWARE.
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///
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///
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/// @ref core
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/// @ref core
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/// @file glm/core/dummy.cpp
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/// @file glm/core/dummy.cpp
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/// @date 2011-01-19 / 2011-06-15
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/// @date 2011-01-19 / 2011-06-15
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/// @author Christophe Riccio
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/// @author Christophe Riccio
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///
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///
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/// GLM is a header only library. There is nothing to compile.
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/// GLM is a header only library. There is nothing to compile.
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/// dummy.cpp exist only a wordaround for CMake file.
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/// dummy.cpp exist only a wordaround for CMake file.
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///////////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////////
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#define GLM_MESSAGES |
#define GLM_MESSAGES |
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#include <glm/glm.hpp> |
#include <glm/glm.hpp> |
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#include <glm/ext.hpp> |
#include <glm/ext.hpp> |
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#include <limits> |
#include <limits> |
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struct material |
struct material |
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{ |
{ |
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glm::vec4 emission; // Ecm
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glm::vec4 emission; // Ecm
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glm::vec4 ambient; // Acm
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glm::vec4 ambient; // Acm
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glm::vec4 diffuse; // Dcm
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glm::vec4 diffuse; // Dcm
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glm::vec4 specular; // Scm
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glm::vec4 specular; // Scm
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float shininess; // Srm
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float shininess; // Srm
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}; |
}; |
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struct light |
struct light |
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{ |
{ |
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glm::vec4 ambient; // Acli
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glm::vec4 ambient; // Acli
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glm::vec4 diffuse; // Dcli
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glm::vec4 diffuse; // Dcli
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glm::vec4 specular; // Scli
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glm::vec4 specular; // Scli
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glm::vec4 position; // Ppli
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glm::vec4 position; // Ppli
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glm::vec4 halfVector; // Derived: Hi
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glm::vec4 halfVector; // Derived: Hi
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glm::vec3 spotDirection; // Sdli
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glm::vec3 spotDirection; // Sdli
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float spotExponent; // Srli
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float spotExponent; // Srli
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float spotCutoff; // Crli
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float spotCutoff; // Crli
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// (range: [0.0,90.0], 180.0)
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// (range: [0.0,90.0], 180.0)
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float spotCosCutoff; // Derived: cos(Crli)
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float spotCosCutoff; // Derived: cos(Crli)
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// (range: [1.0,0.0],-1.0)
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// (range: [1.0,0.0],-1.0)
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float constantAttenuation; // K0
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float constantAttenuation; // K0
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float linearAttenuation; // K1
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float linearAttenuation; // K1
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float quadraticAttenuation;// K2
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float quadraticAttenuation;// K2
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}; |
}; |
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// Sample 1
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// Sample 1
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#include <glm/vec3.hpp>// glm::vec3 |
#include <glm/vec3.hpp>// glm::vec3 |
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#include <glm/geometric.hpp>// glm::cross, glm::normalize |
#include <glm/geometric.hpp>// glm::cross, glm::normalize |
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glm::vec3 computeNormal |
glm::vec3 computeNormal |
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( |
( |
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glm::vec3 const & a, |
glm::vec3 const & a, |
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glm::vec3 const & b, |
glm::vec3 const & b, |
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glm::vec3 const & c |
glm::vec3 const & c |
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) |
) |
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{ |
{ |
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return glm::normalize(glm::cross(c - a, b - a)); |
return glm::normalize(glm::cross(c - a, b - a)); |
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} |
} |
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typedef unsigned int GLuint; |
typedef unsigned int GLuint; |
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#define GL_FALSE 0 |
#define GL_FALSE 0 |
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void glUniformMatrix4fv(GLuint, int, int, float*){} |
void glUniformMatrix4fv(GLuint, int, int, float*){} |
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// Sample 2
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// Sample 2
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#include <glm/vec3.hpp> // glm::vec3 |
#include <glm/vec3.hpp> // glm::vec3 |
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#include <glm/vec4.hpp> // glm::vec4, glm::ivec4 |
#include <glm/vec4.hpp> // glm::vec4, glm::ivec4 |
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#include <glm/mat4x4.hpp> // glm::mat4 |
#include <glm/mat4x4.hpp> // glm::mat4 |
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#include <glm/gtc/matrix_transform.hpp> // glm::translate, glm::rotate, glm::scale, glm::perspective |
#include <glm/gtc/matrix_transform.hpp> // glm::translate, glm::rotate, glm::scale, glm::perspective |
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#include <glm/gtc/type_ptr.hpp> // glm::value_ptr |
#include <glm/gtc/type_ptr.hpp> // glm::value_ptr |
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void func(GLuint LocationMVP, float Translate, glm::vec2 const & Rotate) |
void func(GLuint LocationMVP, float Translate, glm::vec2 const & Rotate) |
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{ |
{ |
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glm::mat4 Projection = glm::perspective(45.0f, 4.0f / 3.0f, 0.1f, 100.f); |
glm::mat4 Projection = glm::perspective(45.0f, 4.0f / 3.0f, 0.1f, 100.f); |
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glm::mat4 ViewTranslate = glm::translate(glm::mat4(1.0f), glm::vec3(0.0f, 0.0f, -Translate)); |
glm::mat4 ViewTranslate = glm::translate(glm::mat4(1.0f), glm::vec3(0.0f, 0.0f, -Translate)); |
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glm::mat4 ViewRotateX = glm::rotate(ViewTranslate, Rotate.y, glm::vec3(-1.0f, 0.0f, 0.0f)); |
glm::mat4 ViewRotateX = glm::rotate(ViewTranslate, Rotate.y, glm::vec3(-1.0f, 0.0f, 0.0f)); |
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glm::mat4 View = glm::rotate(ViewRotateX, Rotate.x, glm::vec3(0.0f, 1.0f, 0.0f)); |
glm::mat4 View = glm::rotate(ViewRotateX, Rotate.x, glm::vec3(0.0f, 1.0f, 0.0f)); |
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glm::mat4 Model = glm::scale(glm::mat4(1.0f), glm::vec3(0.5f)); |
glm::mat4 Model = glm::scale(glm::mat4(1.0f), glm::vec3(0.5f)); |
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glm::mat4 MVP = Projection * View * Model; |
glm::mat4 MVP = Projection * View * Model; |
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glUniformMatrix4fv(LocationMVP, 1, GL_FALSE, glm::value_ptr(MVP)); |
glUniformMatrix4fv(LocationMVP, 1, GL_FALSE, glm::value_ptr(MVP)); |
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} |
} |
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// Sample 3
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// Sample 3
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#include <glm/vec2.hpp>// glm::vec2 |
#include <glm/vec2.hpp>// glm::vec2 |
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#include <glm/packing.hpp>// glm::packUnorm2x16 |
#include <glm/packing.hpp>// glm::packUnorm2x16 |
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#include <glm/integer.hpp>// glm::uint |
#include <glm/integer.hpp>// glm::uint |
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#include <glm/gtc/type_precision.hpp>// glm::i8vec2, glm::i32vec2 |
#include <glm/gtc/type_precision.hpp>// glm::i8vec2, glm::i32vec2 |
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std::size_t const VertexCount = 4; |
std::size_t const VertexCount = 4; |
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// Float quad geometry
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// Float quad geometry
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std::size_t const PositionSizeF32 = VertexCount * sizeof(glm::vec2); |
std::size_t const PositionSizeF32 = VertexCount * sizeof(glm::vec2); |
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glm::vec2 const PositionDataF32[VertexCount] = |
glm::vec2 const PositionDataF32[VertexCount] = |
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{ |
{ |
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glm::vec2(-1.0f,-1.0f), |
glm::vec2(-1.0f,-1.0f), |
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glm::vec2( 1.0f,-1.0f), |
glm::vec2( 1.0f,-1.0f), |
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glm::vec2( 1.0f, 1.0f), |
glm::vec2( 1.0f, 1.0f), |
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glm::vec2(-1.0f, 1.0f) |
glm::vec2(-1.0f, 1.0f) |
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}; |
}; |
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// Half-float quad geometry
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// Half-float quad geometry
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std::size_t const PositionSizeF16 = VertexCount * sizeof(glm::uint); |
std::size_t const PositionSizeF16 = VertexCount * sizeof(glm::uint); |
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glm::uint const PositionDataF16[VertexCount] = |
glm::uint const PositionDataF16[VertexCount] = |
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{ |
{ |
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glm::uint(glm::packUnorm2x16(glm::vec2(-1.0f, -1.0f))), |
glm::uint(glm::packUnorm2x16(glm::vec2(-1.0f, -1.0f))), |
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glm::uint(glm::packUnorm2x16(glm::vec2( 1.0f, -1.0f))), |
glm::uint(glm::packUnorm2x16(glm::vec2( 1.0f, -1.0f))), |
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glm::uint(glm::packUnorm2x16(glm::vec2( 1.0f, 1.0f))), |
glm::uint(glm::packUnorm2x16(glm::vec2( 1.0f, 1.0f))), |
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glm::uint(glm::packUnorm2x16(glm::vec2(-1.0f, 1.0f))) |
glm::uint(glm::packUnorm2x16(glm::vec2(-1.0f, 1.0f))) |
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}; |
}; |
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// 8 bits signed integer quad geometry
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// 8 bits signed integer quad geometry
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std::size_t const PositionSizeI8 = VertexCount * sizeof(glm::i8vec2); |
std::size_t const PositionSizeI8 = VertexCount * sizeof(glm::i8vec2); |
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glm::i8vec2 const PositionDataI8[VertexCount] = |
glm::i8vec2 const PositionDataI8[VertexCount] = |
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{ |
{ |
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glm::i8vec2(-1,-1), |
glm::i8vec2(-1,-1), |
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glm::i8vec2( 1,-1), |
glm::i8vec2( 1,-1), |
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glm::i8vec2( 1, 1), |
glm::i8vec2( 1, 1), |
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glm::i8vec2(-1, 1) |
glm::i8vec2(-1, 1) |
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}; |
}; |
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// 32 bits signed integer quad geometry
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// 32 bits signed integer quad geometry
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std::size_t const PositionSizeI32 = VertexCount * sizeof(glm::i32vec2); |
std::size_t const PositionSizeI32 = VertexCount * sizeof(glm::i32vec2); |
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glm::i32vec2 const PositionDataI32[VertexCount] = |
glm::i32vec2 const PositionDataI32[VertexCount] = |
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{ |
{ |
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glm::i32vec2 (-1,-1), |
glm::i32vec2 (-1,-1), |
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glm::i32vec2 ( 1,-1), |
glm::i32vec2 ( 1,-1), |
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glm::i32vec2 ( 1, 1), |
glm::i32vec2 ( 1, 1), |
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glm::i32vec2 (-1, 1) |
glm::i32vec2 (-1, 1) |
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}; |
}; |
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struct intersection |
struct intersection |
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{ |
{ |
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glm::vec4 position; |
glm::vec4 position; |
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glm::vec3 normal; |
glm::vec3 normal; |
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}; |
}; |
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/*
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/*
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// Sample 4
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// Sample 4
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#include <glm/vec3.hpp>// glm::vec3 |
#include <glm/vec3.hpp>// glm::vec3 |
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#include <glm/geometric.hpp>// glm::normalize, glm::dot, glm::reflect |
#include <glm/geometric.hpp>// glm::normalize, glm::dot, glm::reflect |
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#include <glm/exponential.hpp>// glm::pow |
#include <glm/exponential.hpp>// glm::pow |
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#include <glm/gtc/random.hpp>// glm::vecRand3 |
#include <glm/gtc/random.hpp>// glm::vecRand3 |
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glm::vec3 lighting |
glm::vec3 lighting |
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( |
( |
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intersection const & Intersection, |
intersection const & Intersection, |
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material const & Material, |
material const & Material, |
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light const & Light, |
light const & Light, |
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glm::vec3 const & View |
glm::vec3 const & View |
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) |
) |
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{ |
{ |
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glm::vec3 Color(0.0f); |
glm::vec3 Color(0.0f); |
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glm::vec3 LightVertor(glm::normalize( |
glm::vec3 LightVertor(glm::normalize( |
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Light.position - Intersection.position + |
Light.position - Intersection.position + |
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glm::vecRand3(0.0f, Light.inaccuracy)); |
glm::vecRand3(0.0f, Light.inaccuracy)); |
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if(!shadow(Intersection.position, Light.position, LightVertor)) |
if(!shadow(Intersection.position, Light.position, LightVertor)) |
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{ |
{ |
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float Diffuse = glm::dot(Intersection.normal, LightVector); |
float Diffuse = glm::dot(Intersection.normal, LightVector); |
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if(Diffuse <= 0.0f) |
if(Diffuse <= 0.0f) |
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return Color; |
return Color; |
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if(Material.isDiffuse()) |
if(Material.isDiffuse()) |
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Color += Light.color() * Material.diffuse * Diffuse; |
Color += Light.color() * Material.diffuse * Diffuse; |
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if(Material.isSpecular()) |
if(Material.isSpecular()) |
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{ |
{ |
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glm::vec3 Reflect(glm::reflect( |
glm::vec3 Reflect(glm::reflect( |
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glm::normalize(-LightVector), |
glm::normalize(-LightVector), |
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glm::normalize(Intersection.normal))); |
glm::normalize(Intersection.normal))); |
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float Dot = glm::dot(Reflect, View); |
float Dot = glm::dot(Reflect, View); |
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float Base = Dot > 0.0f ? Dot : 0.0f; |
float Base = Dot > 0.0f ? Dot : 0.0f; |
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float Specular = glm::pow(Base, Material.exponent); |
float Specular = glm::pow(Base, Material.exponent); |
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Color += Material.specular * Specular; |
Color += Material.specular * Specular; |
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} |
} |
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} |
} |
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return Color; |
return Color; |
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} |
} |
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*/ |
*/ |
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template <typename T, glm::precision P, template<typename, glm::precision> class vecType> |
template <typename T, glm::precision P, template<typename, glm::precision> class vecType> |
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T normalizeDotA(vecType<T, P> const & x, vecType<T, P> const & y) |
T normalizeDotA(vecType<T, P> const & x, vecType<T, P> const & y) |
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{ |
{ |
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return glm::dot(x, y) * glm::inversesqrt(glm::dot(x, x) * glm::dot(y, y)); |
return glm::dot(x, y) * glm::inversesqrt(glm::dot(x, x) * glm::dot(y, y)); |
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} |
} |
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#define GLM_TEMPLATE_GENTYPE typename T, glm::precision P, template<typename, glm::precision> class |
#define GLM_TEMPLATE_GENTYPE typename T, glm::precision P, template<typename, glm::precision> class |
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template <GLM_TEMPLATE_GENTYPE vecType> |
template <GLM_TEMPLATE_GENTYPE vecType> |
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T normalizeDotB(vecType<T, P> const & x, vecType<T, P> const & y) |
T normalizeDotB(vecType<T, P> const & x, vecType<T, P> const & y) |
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{ |
{ |
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return glm::dot(x, y) * glm::inversesqrt(glm::dot(x, x) * glm::dot(y, y)); |
return glm::dot(x, y) * glm::inversesqrt(glm::dot(x, x) * glm::dot(y, y)); |
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} |
} |
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template <typename vecType> |
template <typename vecType> |
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typename vecType::value_type normalizeDotC(vecType const & a, vecType const & b) |
typename vecType::value_type normalizeDotC(vecType const & a, vecType const & b) |
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{ |
{ |
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return glm::dot(a, b) * glm::inversesqrt(glm::dot(a, a) * glm::dot(b, b)); |
return glm::dot(a, b) * glm::inversesqrt(glm::dot(a, a) * glm::dot(b, b)); |
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} |
} |
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int main() |
int main() |
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{ |
{ |
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glm::vec1 o(1); |
glm::vec1 o(1); |
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glm::vec2 a(1); |
glm::vec2 a(1); |
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glm::vec3 b(1); |
glm::vec3 b(1); |
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glm::vec4 c(1); |
glm::vec4 c(1); |
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glm::quat q; |
glm::quat q; |
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glm::dualquat p; |
glm::dualquat p; |
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glm::mat4 m(1); |
glm::mat4 m(1); |
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float a0 = normalizeDotA(a, a); |
float a0 = normalizeDotA(a, a); |
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float b0 = normalizeDotB(b, b); |
float b0 = normalizeDotB(b, b); |
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float c0 = normalizeDotC(c, c); |
float c0 = normalizeDotC(c, c); |
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return 0; |
return 0; |
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} |
} |
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