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- /// @ref core
- /// @file glm/core/dummy.cpp
- ///
- /// GLM is a header only library. There is nothing to compile.
- /// dummy.cpp exist only a wordaround for CMake file.
-
- /*
- #define GLM_MESSAGES
- #include <glm/glm.hpp>
- #include <glm/ext.hpp>
- #include <limits>
-
- struct material
- {
- glm::vec4 emission; // Ecm
- glm::vec4 ambient; // Acm
- glm::vec4 diffuse; // Dcm
- glm::vec4 specular; // Scm
- float shininess; // Srm
- };
-
- struct light
- {
- glm::vec4 ambient; // Acli
- glm::vec4 diffuse; // Dcli
- glm::vec4 specular; // Scli
- glm::vec4 position; // Ppli
- glm::vec4 halfVector; // Derived: Hi
- glm::vec3 spotDirection; // Sdli
- float spotExponent; // Srli
- float spotCutoff; // Crli
- // (range: [0.0,90.0], 180.0)
- float spotCosCutoff; // Derived: cos(Crli)
- // (range: [1.0,0.0],-1.0)
- float constantAttenuation; // K0
- float linearAttenuation; // K1
- float quadraticAttenuation;// K2
- };
-
-
- // Sample 1
- #include <glm/vec3.hpp>// glm::vec3
- #include <glm/geometric.hpp>// glm::cross, glm::normalize
-
- glm::vec3 computeNormal
- (
- glm::vec3 const& a,
- glm::vec3 const& b,
- glm::vec3 const& c
- )
- {
- return glm::normalize(glm::cross(c - a, b - a));
- }
-
- typedef unsigned int GLuint;
- #define GL_FALSE 0
- void glUniformMatrix4fv(GLuint, int, int, float*){}
-
- // Sample 2
- #include <glm/vec3.hpp> // glm::vec3
- #include <glm/vec4.hpp> // glm::vec4, glm::ivec4
- #include <glm/mat4x4.hpp> // glm::mat4
- #include <glm/gtc/matrix_transform.hpp> // glm::translate, glm::rotate, glm::scale, glm::perspective
- #include <glm/gtc/type_ptr.hpp> // glm::value_ptr
- void func(GLuint LocationMVP, float Translate, glm::vec2 const& Rotate)
- {
- glm::mat4 Projection = glm::perspective(45.0f, 4.0f / 3.0f, 0.1f, 100.f);
- glm::mat4 ViewTranslate = glm::translate(glm::mat4(1.0f), glm::vec3(0.0f, 0.0f, -Translate));
- glm::mat4 ViewRotateX = glm::rotate(ViewTranslate, Rotate.y, glm::vec3(-1.0f, 0.0f, 0.0f));
- glm::mat4 View = glm::rotate(ViewRotateX, Rotate.x, glm::vec3(0.0f, 1.0f, 0.0f));
- glm::mat4 Model = glm::scale(glm::mat4(1.0f), glm::vec3(0.5f));
- glm::mat4 MVP = Projection * View * Model;
- glUniformMatrix4fv(LocationMVP, 1, GL_FALSE, glm::value_ptr(MVP));
- }
-
- // Sample 3
- #include <glm/vec2.hpp>// glm::vec2
- #include <glm/packing.hpp>// glm::packUnorm2x16
- #include <glm/integer.hpp>// glm::uint
- #include <glm/gtc/type_precision.hpp>// glm::i8vec2, glm::i32vec2
- std::size_t const VertexCount = 4;
- // Float quad geometry
- std::size_t const PositionSizeF32 = VertexCount * sizeof(glm::vec2);
- glm::vec2 const PositionDataF32[VertexCount] =
- {
- glm::vec2(-1.0f,-1.0f),
- glm::vec2( 1.0f,-1.0f),
- glm::vec2( 1.0f, 1.0f),
- glm::vec2(-1.0f, 1.0f)
- };
- // Half-float quad geometry
- std::size_t const PositionSizeF16 = VertexCount * sizeof(glm::uint);
- glm::uint const PositionDataF16[VertexCount] =
- {
- glm::uint(glm::packUnorm2x16(glm::vec2(-1.0f, -1.0f))),
- glm::uint(glm::packUnorm2x16(glm::vec2( 1.0f, -1.0f))),
- glm::uint(glm::packUnorm2x16(glm::vec2( 1.0f, 1.0f))),
- glm::uint(glm::packUnorm2x16(glm::vec2(-1.0f, 1.0f)))
- };
- // 8 bits signed integer quad geometry
- std::size_t const PositionSizeI8 = VertexCount * sizeof(glm::i8vec2);
- glm::i8vec2 const PositionDataI8[VertexCount] =
- {
- glm::i8vec2(-1,-1),
- glm::i8vec2( 1,-1),
- glm::i8vec2( 1, 1),
- glm::i8vec2(-1, 1)
- };
- // 32 bits signed integer quad geometry
- std::size_t const PositionSizeI32 = VertexCount * sizeof(glm::i32vec2);
- glm::i32vec2 const PositionDataI32[VertexCount] =
- {
- glm::i32vec2 (-1,-1),
- glm::i32vec2 ( 1,-1),
- glm::i32vec2 ( 1, 1),
- glm::i32vec2 (-1, 1)
- };
-
- struct intersection
- {
- glm::vec4 position;
- glm::vec3 normal;
- };
- */
-
-
- /*
- // Sample 4
- #include <glm/vec3.hpp>// glm::vec3
- #include <glm/geometric.hpp>// glm::normalize, glm::dot, glm::reflect
- #include <glm/exponential.hpp>// glm::pow
- #include <glm/gtc/random.hpp>// glm::vecRand3
- glm::vec3 lighting
- (
- intersection const& Intersection,
- material const& Material,
- light const& Light,
- glm::vec3 const& View
- )
- {
- glm::vec3 Color(0.0f);
- glm::vec3 LightVertor(glm::normalize(
- Light.position - Intersection.position +
- glm::vecRand3(0.0f, Light.inaccuracy));
-
- if(!shadow(Intersection.position, Light.position, LightVertor))
- {
- float Diffuse = glm::dot(Intersection.normal, LightVector);
- if(Diffuse <= 0.0f)
- return Color;
- if(Material.isDiffuse())
- Color += Light.color() * Material.diffuse * Diffuse;
- if(Material.isSpecular())
- {
- glm::vec3 Reflect(glm::reflect(
- glm::normalize(-LightVector),
- glm::normalize(Intersection.normal)));
- float Dot = glm::dot(Reflect, View);
- float Base = Dot > 0.0f ? Dot : 0.0f;
- float Specular = glm::pow(Base, Material.exponent);
- Color += Material.specular * Specular;
- }
- }
- return Color;
- }
- */
-
- int main()
- {
- /*
- glm::vec1 o(1);
- glm::vec2 a(1);
- glm::vec3 b(1);
- glm::vec4 c(1);
-
- glm::quat q;
- glm::dualquat p;
-
- glm::mat4 m(1);
-
- float a0 = normalizeDotA(a, a);
- float b0 = normalizeDotB(b, b);
- float c0 = normalizeDotC(c, c);
- */
- return 0;
- }
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