void Engine::Init()
{
GUI gui;
gui.Init();
Effect effect;
effect.Init();
}
int main(int, char**)
{
int width = 1080;
int height = 900;
if (!glfwInit()){ std::cout << "ERROR: glfwInit failed\n"; return -1; }
GLFWwindow* window = glfwCreateWindow(width, height, "mesh", NULL, NULL);
if (!window){ std::cout << "ERROR: window was not created\n"; return -1; }
glfwMakeContextCurrent(window);
glewExperimental = GL_TRUE;
glewInit();
versionPrint();
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
//glEnable(GL_CULL_FACE);
GUI gui;
gui.Init(window, false);
float vertices[] = {
-0.5, -0.5, 0,
-0.5, 0.5, 0,
0.5, 0.5, 0,
/////////////////////
-0.5, -0.5, 0,
0.5, 0.5, 0,
0.5, -0.5, 0
};
//////////////////////////////////
//OBJECT LOADING
std::string resourcePath = "../../../resources/";
//std::string inputfile = resourcePath + "teapot/teapot.obj";
//std::string mtlfile = resourcePath + "teapot/teapot.mtl";
//std::string inputfile = resourcePath + "sphere/sphere.obj";
//std::string mtlfile = resourcePath + "sphere/sphere.mtl";
std::string inputfile = resourcePath + "dragon/dragon.obj";
//std::string inputfile = resourcePath + "monkey/monkey.obj";
//std::string mtlfile = resourcePath + "monkey/monkey.mtl";
std::vector<tinyobj::shape_t> shapes;
std::vector<tinyobj::material_t> materials;
std::string err;
if (!tinyobj::LoadObj(shapes, materials, err, inputfile.c_str()))
std::cerr << err << std::endl;
std::cout << "# of shapes : " << shapes.size() << std::endl;
std::cout << "# of materials : " << materials.size() << std::endl;
//OBJECT LOADING
//////////////////////////////////
glm::vec3 cpos = glm::vec3(0.0f, 0.0f, 10.0f);
glm::mat4 view;
view = glm::lookAt( cpos,
glm::vec3(0.0f, 0.0f, 0.0f),
glm::vec3(0.0f, 1.0f, 0.0f));
glm::mat4 projection = glm::perspective(45.0f, (float)width/(float)height, 0.01f, 1000.0f);
glm::mat4 model = glm::mat4();
float s = 1.0f;
model = glm::scale(model, glm::vec3(s, s, s));
std::string shaderPath = "../../../source/shaders/";
Program shaderProgram;
Shader vshader(shaderPath + "vertexShader.glsl", GL_VERTEX_SHADER);
Shader fshader(shaderPath + "fragmentShader.glsl", GL_FRAGMENT_SHADER);
shaderProgram.attachShader(&vshader);
shaderProgram.attachShader(&fshader);
shaderProgram.linkProgram();
GLuint elems;
glGenBuffers(1, &elems);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, elems);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, shapes[0].mesh.indices.size() * sizeof(unsigned int), &(shapes[0].mesh.indices[0]), GL_STATIC_DRAW);
GLuint vbo;
glGenBuffers(1, &vbo);
glBindBuffer(GL_ARRAY_BUFFER, vbo);
glBufferData(GL_ARRAY_BUFFER, shapes[0].mesh.positions.size() * sizeof(float), &(shapes[0].mesh.positions[0]), GL_STATIC_DRAW);
GLuint nbo;
glGenBuffers(1, &nbo);
glBindBuffer(GL_ARRAY_BUFFER, nbo);
glBufferData(GL_ARRAY_BUFFER, shapes[0].mesh.normals.size() * sizeof(float), &(shapes[0].mesh.normals[0]), GL_STATIC_DRAW);
GLuint vao;
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, vbo);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, NULL);
glEnableVertexAttribArray(1);
glBindBuffer(GL_ARRAY_BUFFER, nbo);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 0, NULL);
GLuint ModelMatrixHandle = glGetUniformLocation(shaderProgram.getID(), "ModelMatrix");
GLuint ViewMatrixHandle = glGetUniformLocation(shaderProgram.getID(), "ViewMatrix");
GLuint ProjectionMatrixHandle = glGetUniformLocation(shaderProgram.getID(), "ProjectionMatrix");
glUniformMatrix4fv(ModelMatrixHandle, 1, GL_FALSE, glm::value_ptr(model));
glUniformMatrix4fv(ViewMatrixHandle, 1, GL_FALSE, glm::value_ptr(view));
glUniformMatrix4fv(ProjectionMatrixHandle, 1, GL_FALSE, glm::value_ptr(projection));
glClearColor(0.3, 0.3, 0.3, 1.0);
while (!glfwWindowShouldClose(window)){
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
shaderProgram.use();
glBindVertexArray(vao);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, elems);
model = glm::rotate(model, 0.0001f, glm::vec3(0, 1, 0));
glUniformMatrix4fv(ModelMatrixHandle, 1, GL_FALSE, glm::value_ptr(model));
glUniformMatrix4fv(ViewMatrixHandle, 1, GL_FALSE, glm::value_ptr(view));
glUniformMatrix4fv(ProjectionMatrixHandle, 1, GL_FALSE, glm::value_ptr(projection));
glDrawElements(GL_TRIANGLES, shapes[0].mesh.indices.size(),GL_UNSIGNED_INT,(void*)0);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
gui.Render(&shapes);
glfwSwapBuffers(window);
glfwPollEvents();
}
return 0;
}
