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This commit is contained in:
Artur Tamborski
parent
da3f2ec685
commit
8bf452cc79
@ -1,20 +1,18 @@
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#include <glad/glad.h>
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#include <GLFW/glfw3.h>
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//#include <stb_image.h>
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#include <stb_image.h>
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#define STB_IMAGE_IMPLEMENTATION // dodane do pliku z kursu
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#include <glm/glm.hpp>
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#include <glm/gtc/matrix_transform.hpp>
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#include <glm/gtc/type_ptr.hpp>
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#include <learnopengl/filesystem.h>
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#include <learnopengl/shader.h>
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#include <learnopengl/shader_m.h>
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#include <learnopengl/camera.h>
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#include <learnopengl/model.h>
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#include <iostream>
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GLFWwindow *initialize_glfw_window(void);
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void framebuffer_size_callback(GLFWwindow* window, int width, int height);
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void mouse_callback(GLFWwindow* window, double xpos, double ypos);
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void scroll_callback(GLFWwindow* window, double xoffset, double yoffset);
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@ -36,16 +34,56 @@ bool firstMouse = true;
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float deltaTime = 0.0f;
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float lastFrame = 0.0f;
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//
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float angle = 0;
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int main()
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{
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if ((GLFWwindow *window = initialize_glfw_window()) == nullptr)
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// glfw: initialize and configure
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// ------------------------------
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glfwInit();
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glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
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glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
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glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
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#ifdef __APPLE__
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glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
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#endif
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// glfw window creation
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// --------------------
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GLFWwindow* window = glfwCreateWindow(SCR_WIDTH, SCR_HEIGHT, "LearnOpenGL", NULL, NULL);
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if (window == NULL)
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{
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std::cout << "Failed to create GLFW window" << std::endl;
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glfwTerminate();
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return -1;
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}
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glfwMakeContextCurrent(window);
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glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
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glfwSetCursorPosCallback(window, mouse_callback);
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glfwSetScrollCallback(window, scroll_callback);
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// load objects and shaders
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Shader kniedeShader("9.2.geometry_shader.vert", "9.2.geometry_shader.frag");
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Model kniedeModel("../resources/objects/kniede/kniede.obj");
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// tell GLFW to capture our mouse
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glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
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Shader cubemapShader("6.2.cubemaps.vert", "6.2.cubemaps.frag");
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// glad: load all OpenGL function pointers
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// ---------------------------------------
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if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress))
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{
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std::cout << "Failed to initialize GLAD" << std::endl;
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return -1;
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}
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// configure global opengl state
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// -----------------------------
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glEnable(GL_DEPTH_TEST);
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// build and compile shaders
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// -------------------------
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Shader shader("6.2.cubemaps.vert", "6.2.cubemaps.frag");
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Shader skyboxShader("6.2.skybox.vert", "6.2.skybox.frag");
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// set up vertex data (and buffer(s)) and configure vertex attributes
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@ -150,7 +188,6 @@ int main()
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glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(float), (void*)0);
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glEnableVertexAttribArray(1);
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glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(float), (void*)(3 * sizeof(float)));
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// skybox VAO
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unsigned int skyboxVAO, skyboxVBO;
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glGenVertexArrays(1, &skyboxVAO);
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@ -163,24 +200,24 @@ int main()
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// load textures
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// -------------
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string dir = "mountain-skyboxes/Ryfjallet";
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string dir = "../resources/textures/SaintsPetersBasilica/";
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vector<string> faces
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vector<std::string> faces
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{
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"../resources/textures/skybox/" + dir + "/posx.jpg",
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"../resources/textures/skybox/" + dir + "/negx.jpg",
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"../resources/textures/skybox/" + dir + "/posy.jpg",
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"../resources/textures/skybox/" + dir + "/negy.jpg",
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"../resources/textures/skybox/" + dir + "/posz.jpg",
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"../resources/textures/skybox/" + dir + "/negz.jpg",
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dir + "posx.jpg",
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dir + "negx.jpg",
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dir + "posy.jpg",
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dir + "negy.jpg",
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dir + "posz.jpg",
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dir + "negz.jpg"
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};
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unsigned int cubemapTexture = loadCubemap(faces);
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// shader configuration
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// --------------------
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cubemapShader.use();
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cubemapShader.setInt("skybox", 0);
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shader.use();
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shader.setInt("skybox", 0);
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skyboxShader.use();
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skyboxShader.setInt("skybox", 0);
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@ -194,39 +231,42 @@ int main()
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float currentFrame = glfwGetTime();
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deltaTime = currentFrame - lastFrame;
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lastFrame = currentFrame;
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angle += deltaTime;
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// input
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// -----
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processInput(window);
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// render
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// ------
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glClearColor(0.1f, 0.1f, 0.1f, 1.0f);
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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// draw scene as normal
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shader.use();
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glm::mat4 model = glm::mat4(1.0f);
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model = glm::rotate(model, angle/10.f, glm::vec3(0, 1, 0));
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glm::mat4 view = camera.GetViewMatrix();
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glm::mat4 projection = glm::perspective(glm::radians(camera.Zoom), (float)SCR_WIDTH / (float)SCR_HEIGHT, 0.1f, 100.0f);
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// model = glm::translate(model, glm::vec3(0.0f, 0.0f, 0.0f)); // translate it down so it's at the center of the scene
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// model = glm::scale(model, glm::vec3(1.0f, 1.0f, 1.0f)); // it's a bit too big for our scene, so scale it down
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model = glm::rotate(model, glm::radians(-90.0f), glm::vec3(1.0f, 0.0f, 0.0f));
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kniedeShader.use();
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kniedeShader.setMat4("model", model);
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kniedeShader.setMat4("view", view);
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kniedeShader.setMat4("projection", projection);
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kniedeModel.Draw(kniedeShader);
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// draw scene as normal
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model = glm::mat4(1.0f);
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cubemapShader.use();
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cubemapShader.setMat4("model", model);
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cubemapShader.setMat4("view", view);
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cubemapShader.setMat4("projection", projection);
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cubemapShader.setVec3("cameraPos", camera.Position);
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shader.setMat4("model", model);
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shader.setMat4("view", view);
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shader.setMat4("projection", projection);
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shader.setVec3("cameraPos", camera.Position);
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// cubes
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glBindVertexArray(cubeVAO);
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glActiveTexture(GL_TEXTURE0);
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glBindTexture(GL_TEXTURE_CUBE_MAP, cubemapTexture);
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glDrawArrays(GL_TRIANGLES, 0, 36);
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model = glm::mat4(1.0f);
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model = glm::rotate(model, angle, glm::vec3(0, 1, 0));
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model = glm::translate(model, glm::vec3(5, 0, 0));
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model = glm::rotate(model, -angle, glm::vec3(0, 1, 0));
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model = glm::translate(model, glm::vec3(0, -5, 0));
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shader.setMat4("model", model);
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glDrawArrays(GL_TRIANGLES, 0, 36);
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glBindVertexArray(0);
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// draw skybox as last
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@ -235,7 +275,6 @@ int main()
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view = glm::mat4(glm::mat3(camera.GetViewMatrix())); // remove translation from the view matrix
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skyboxShader.setMat4("view", view);
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skyboxShader.setMat4("projection", projection);
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// skybox cube
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glBindVertexArray(skyboxVAO);
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glActiveTexture(GL_TEXTURE0);
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@ -250,58 +289,17 @@ int main()
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glfwPollEvents();
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}
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// optional: de-allocate all resources once they've outlived their purpose:
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// ------------------------------------------------------------------------
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glDeleteVertexArrays(1, &cubeVAO);
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glDeleteVertexArrays(1, &skyboxVAO);
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glDeleteBuffers(1, &cubeVBO);
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glDeleteBuffers(1, &skyboxVAO);
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glfwTerminate();
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return 0;
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}
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// initialize GLFW window and OpenGL context with glew
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// ---------------------------------------------------------------------------------------------------------
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GLFWwindow *initialize_glfw_window(void)
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{
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// glfw: initialize and configure
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// ------------------------------
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glfwInit();
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glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
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glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
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glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
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#ifdef __APPLE__
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glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
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#endif
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// glfw window creation
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// --------------------
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GLFWwindow* window = glfwCreateWindow(SCR_WIDTH, SCR_HEIGHT, "LearnOpenGL", NULL, NULL);
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if (window == NULL)
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{
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std::cout << "Failed to create GLFW window" << std::endl;
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glfwTerminate();
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return nullptr;
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}
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glfwMakeContextCurrent(window);
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glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
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glfwSetCursorPosCallback(window, mouse_callback);
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glfwSetScrollCallback(window, scroll_callback);
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// tell GLFW to capture our mouse
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glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
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// glad: load all OpenGL function pointers
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// ---------------------------------------
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if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress))
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{
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std::cout << "Failed to initialize GLAD" << std::endl;
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return nullptr;
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}
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// configure global opengl state
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// -----------------------------
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glEnable(GL_DEPTH_TEST);
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return window;
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}
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// process all input: query GLFW whether relevant keys are pressed/released this frame and react accordingly
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// ---------------------------------------------------------------------------------------------------------
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void processInput(GLFWwindow *window)
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