107 lines
3.0 KiB
C++
107 lines
3.0 KiB
C++
/*
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* --------------------------------------------------------------------------
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*
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* ___________ ____ ____.__
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* \__ ___/______________________\ \ / /|__| _________________
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* | |_/ __ \_ __ \_ __ \__ \\ Y / | |/ ___/ _ \_ __ \
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* | |\ ___/| | \/| | \// __ \\ / | |\___ ( <_> ) | \/
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* |____| \___ >__| |__| (____ /\___/ |__/____ >____/|__|
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* \/ \/ \/
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*
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* TerraVisor
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* Dynamic Terrain Visualization
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*
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* --------------------------------------------------------------------------
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* Author: Jack Christensen
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* Version: 0.0.1
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*
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* Description:
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* TerraVisor is a dynamic terrain visualization tool that uses real-world elevation
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* data to render high-fidelity 3D landscapes. It leverages tessellation shaders
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* to provide detailed and adaptive terrain rendering.
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*
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* License:
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* This project is licensed under the GNU General Public License v3.0.
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* See the COPYING file for more details.
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*/
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#include <GL/glew.h>
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#include <GLFW/glfw3.h>
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#include <iostream>
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#include <chrono>
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#include <thread>
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#include <imgui.h>
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#include <imgui_impl_glfw.h>
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#include <imgui_impl_opengl3.h>
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#include "scene.h"
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const int TARGET_FPS = 60;
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const auto FRAME_DURATION = std::chrono::milliseconds(1000 / TARGET_FPS);
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int main(){
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if (!glfwInit()) {
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std::cerr << "Failed to initialize GLFW" << std::endl;
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return -1;
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}
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#ifdef _DEBUG
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glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GL_TRUE);
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#endif
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GLFWwindow* window = glfwCreateWindow(1280, 720, "TerraVisor", nullptr, nullptr);
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if(!window) {
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std::cerr << "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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glewExperimental = GL_TRUE;
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if(glewInit() != GLEW_OK) {
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std::cerr << "Failed to initialize GLEW" << std::endl;
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return -1;
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}
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Scene::Init();
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//Init ImGui
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IMGUI_CHECKVERSION();
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ImGui::CreateContext();
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ImGui_ImplGlfw_InitForOpenGL(window, true);
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ImGui_ImplOpenGL3_Init("#version 150");
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auto lastFrameTime = std::chrono::high_resolution_clock::now();
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while (!glfwWindowShouldClose(window)) {
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auto frameStart = std::chrono::high_resolution_clock::now();
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Scene::Idle();
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Scene::Display(window);
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glfwPollEvents();
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auto frameEnd = std::chrono::high_resolution_clock::now();
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auto frameDuration = frameEnd - frameStart;
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if (frameDuration < FRAME_DURATION) {
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std::this_thread::sleep_for(FRAME_DURATION - frameDuration);
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}
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auto currentFrameTime = std::chrono::high_resolution_clock::now();
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auto actualFrameDuration = std::chrono::duration_cast<std::chrono::milliseconds>(currentFrameTime - lastFrameTime).count();
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lastFrameTime = currentFrameTime;
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}
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// Cleanup ImGui
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ImGui_ImplOpenGL3_Shutdown();
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ImGui_ImplGlfw_Shutdown();
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ImGui::DestroyContext();
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glfwDestroyWindow(window);
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glfwTerminate();
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return 0;
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}
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