void myInitOGLFun()
{
sgct::TextureManager::instance()->setAnisotropicFilterSize(8.0f);
sgct::TextureManager::instance()->setCompression(sgct::TextureManager::S3TC_DXT);
sgct::TextureManager::instance()->loadTexure("box", "../SharedResources/box.png", true);
myBox = new sgct_utils::SGCTBox(2.0f, sgct_utils::SGCTBox::Regular);
//Set up backface culling
glCullFace(GL_BACK);
glFrontFace(GL_CCW); //our polygon winding is counter clockwise
sgct::ShaderManager::instance()->addShaderProgram( "xform",
"SimpleVertexShader.vertexshader",
"SimpleFragmentShader.fragmentshader" );
sgct::ShaderManager::instance()->bindShaderProgram( "xform" );
Matrix_Loc = sgct::ShaderManager::instance()->getShaderProgram( "xform").getUniformLocation( "MVP" );
GLint Tex_Loc = sgct::ShaderManager::instance()->getShaderProgram( "xform").getUniformLocation( "Tex" );
glUniform1i( Tex_Loc, 0 );
sgct::ShaderManager::instance()->unBindShaderProgram();
// Setup ImGui binding
if( gEngine->isMaster() )
ImGui_ImplGlfwGL3_Init(gEngine->getCurrentWindowPtr()->getWindowHandle());
}
void GLApplication::Run()
{
InitializeOpenGL();
Initialize();
Input::CreateSingleton();
Gizmos::create();
if (m_bDrawGUI)
{
ImGui_ImplGlfwGL3_Init(m_pWindow, true);
ImGuiIO& io = ImGui::GetIO();
io.DisplaySize.x = GetScreenWidth();
io.DisplaySize.y = GetScreenHeight();
}
m_bRunning = true;
while (!glfwWindowShouldClose(m_pWindow) && m_bRunning)
{
m_lastTime = m_currentTime;
m_currentTime = (float)glfwGetTime();
m_deltaTime = m_currentTime - m_lastTime;
glClearColor(m_clearColour.r, m_clearColour.g, m_clearColour.b, 1);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
Gizmos::clear();
if(m_bDrawGUI) ImGui_ImplGlfwGL3_NewFrame();
Update(m_deltaTime);
UpdateFPS(m_deltaTime);
if (m_pCamera)
{
m_pCamera->Update(m_deltaTime);
Render();
Gizmos::draw(m_pCamera->GetProjectionView());
if (m_bDrawGUI) ImGui::Render();
}
glfwSwapBuffers(m_pWindow);
glfwPollEvents();
}
if (m_bDrawGUI)
{
ImGui_ImplGlfwGL3_Shutdown();
}
Gizmos::destroy();
glfwDestroyWindow(m_pWindow);
glfwTerminate();
}
void DebugLayer::init(graphics::Window* window)
{
m_window = window;
ImGui_ImplGlfwGL3_Init(window->getGLFWwindow(), false);
glfwSetCharCallback(m_window->getGLFWwindow(), ImGui_ImplGlfwGL3_CharCallback);
glfwSetScrollCallback(window->getGLFWwindow(), ImGui_ImplGlfwGL3_ScrollCallback);
}
void Subsystem::Startup()
{
gl3wInit();
ImGui_ImplGlfwGL3_Init(Graphics::Subsystem::Instance()->Adapter->Window, true);
Initialized = true;
}
void GUI::Startup(GLFWwindow* window)
{
//Initialise ImGUI
ImGui_ImplGlfwGL3_Init(window, true);
ImGuiIO& io = ImGui::GetIO();
//Get window size and give to ImGUI
int width = 0, height = 0;
glfwGetWindowSize(window, &width, &height);
io.DisplaySize.x = (float)width;
io.DisplaySize.y = (float)height;
}
int main(int, char**)
{
// Setup window
glfwSetErrorCallback(error_callback);
if (!glfwInit())
exit(1);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
GLFWwindow* window = glfwCreateWindow(1280, 720, "Empty imgui program", NULL, NULL);
glfwMakeContextCurrent(window);
gl3wInit();
// Setup ImGui binding
ImGui_ImplGlfwGL3_Init(window, true);
ImVec4 clear_color = ImColor(114, 144, 154);
// Main loop
while (!glfwWindowShouldClose(window))
{
ImGuiIO& io = ImGui::GetIO();
glfwPollEvents();
ImGui_ImplGlfwGL3_NewFrame();
make_gui();
// Rendering
glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y);
glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
ImGui::Render();
glfwSwapBuffers(window);
}
// Cleanup
ImGui_ImplGlfwGL3_Shutdown();
glfwTerminate();
return 0;
}
MainWindow::MainWindow() {
// Setup window
glfwSetErrorCallback(on_error);
if (!glfwInit())
exit(1);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
GLFWwindow* window = glfwCreateWindow(1280, 720, "xds", NULL, NULL);
if (window)
{
glfwMakeContextCurrent(window);
gl3wInit();
ImGui_ImplGlfwGL3_Init(window, true);
while (!glfwWindowShouldClose(window))
{
ImGuiIO& io = ImGui::GetIO();
glfwPollEvents();
ImGui_ImplGlfwGL3_NewFrame();
ImGui::SetNextWindowSize(ImVec2(400, 100), ImGuiSetCond_FirstUseEver);
ImGui::Begin("Test Window");
ImGui::Text("TODO: Move this to new thread so xds can run in the background.");
ImGui::Text("Close the window to continue xds execution.");
ImGui::End();
// Rendering
glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y);
ImVec4 clear_color = ImColor(114, 144, 154);
glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w);
glClear(GL_COLOR_BUFFER_BIT);
ImGui::Render();
glfwSwapBuffers(window);
}
// Cleanup
ImGui_ImplGlfwGL3_Shutdown();
glfwTerminate();
}
}
int main()
{
DEBUGLOG->setAutoPrint(true);
//////////////////////////////////////////////////////////////////////////////
/////////////////////// INIT //////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
// create window and opengl context
auto window = generateWindow(800,800);
//////////////////////////////////////////////////////////////////////////////
/////////////////////////////// RENDERING ///////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
///////////////////// Scene / View Settings //////////////////////////
glm::mat4 model = glm::mat4(1.0f);
glm::vec4 eye(0.0f, 0.0f, 3.0f, 1.0f);
glm::vec4 center(0.0f,0.0f,0.0f,1.0f);
glm::mat4 view = glm::lookAt(glm::vec3(eye), glm::vec3(center), glm::vec3(0,1,0));
// glm::mat4 perspective = glm::ortho(-2.0f, 2.0f, -2.0f, 2.0f, -1.0f, 6.0f);
/// perspective projection is experimental; yields weird warping effects due to vertex interpolation of uv-coordinates
glm::mat4 perspective = glm::perspective(glm::radians(65.f), getRatio(window), 0.1f, 10.f);
// create object
// Sphere grid;
Grid grid(10,10,0.1f,0.1f,true);
// Volume grid;
// load grass texture
s_texHandle = TextureTools::loadTexture(RESOURCES_PATH + std::string( "/grass.png"));
glBindTexture(GL_TEXTURE_2D, s_texHandle);
/////////////////////// Renderpass ///////////////////////////
DEBUGLOG->log("Shader Compilation: volume uvw coords"); DEBUGLOG->indent();
ShaderProgram shaderProgram("/modelSpace/GBuffer.vert", "/modelSpace/GBuffer.frag"); DEBUGLOG->outdent();
shaderProgram.update("model", model);
shaderProgram.update("view", view);
shaderProgram.update("projection", perspective);
shaderProgram.update("color", glm::vec4(1.0f,0.0f,0.0f,1.0f));
DEBUGLOG->log("FrameBufferObject Creation: volume uvw coords"); DEBUGLOG->indent();
FrameBufferObject fbo(getResolution(window).x, getResolution(window).y);
FrameBufferObject::s_internalFormat = GL_RGBA32F; // to allow arbitrary values in G-Buffer
fbo.addColorAttachments(4); DEBUGLOG->outdent(); // G-Buffer
FrameBufferObject::s_internalFormat = GL_RGBA; // restore default
RenderPass renderPass(&shaderProgram, &fbo);
renderPass.addEnable(GL_DEPTH_TEST);
renderPass.addClearBit(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
renderPass.addRenderable(&grid);
ShaderProgram compShader("/screenSpace/fullscreen.vert", "/screenSpace/finalCompositing.frag");
// ShaderProgram compShader("/screenSpace/fullscreen.vert", "/screenSpace/simpleAlphaTexture.frag");
Quad quad;
RenderPass compositing(&compShader, 0);
compositing.addClearBit(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
compositing.addRenderable(&quad);
// Geometry test shader
ShaderProgram geomShader("/modelSpace/geometry.vert", "/modelSpace/simpleLighting.frag", "/geometry/simpleGeom.geom");
RenderPass geom(&geomShader, 0);
geom.addClearBit(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
geom.addRenderable(&grid);
geom.addEnable(GL_DEPTH_TEST);
geom.addEnable(GL_ALPHA_TEST);
geom.addEnable(GL_BLEND);
glAlphaFunc(GL_GREATER, 0);
geomShader.update("projection", perspective);
//////////////////////////////////////////////////////////////////////////////
/////////////////////// GUI / USER INPUT ////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
// Setup ImGui binding
ImGui_ImplGlfwGL3_Init(window, true);
Turntable turntable;
double old_x;
double old_y;
glfwGetCursorPos(window, &old_x, &old_y);
auto cursorPosCB = [&](double x, double y)
{
ImGuiIO& io = ImGui::GetIO();
if ( io.WantCaptureMouse )
{ return; } // ImGUI is handling this
double d_x = x - old_x;
double d_y = y - old_y;
if ( turntable.getDragActive() )
{
turntable.dragBy(d_x, d_y, view);
}
old_x = x;
old_y = y;
};
auto mouseButtonCB = [&](int b, int a, int m)
{
if (b == GLFW_MOUSE_BUTTON_LEFT && a == GLFW_PRESS)
{
turntable.setDragActive(true);
}
if (b == GLFW_MOUSE_BUTTON_LEFT && a == GLFW_RELEASE)
{
turntable.setDragActive(false);
}
ImGui_ImplGlfwGL3_MouseButtonCallback(window, b, a, m);
};
auto keyboardCB = [&](int k, int s, int a, int m)
{
if (a == GLFW_RELEASE) {return;}
switch (k)
{
case GLFW_KEY_W:
eye += glm::inverse(view) * glm::vec4(0.0f,0.0f,-0.1f,0.0f);
center += glm::inverse(view) * glm::vec4(0.0f,0.0f,-0.1f,0.0f);
break;
case GLFW_KEY_A:
eye += glm::inverse(view) * glm::vec4(-0.1f,0.0f,0.0f,0.0f);
center += glm::inverse(view) * glm::vec4(-0.1f,0.0f,0.0f,0.0f);
break;
case GLFW_KEY_S:
eye += glm::inverse(view) * glm::vec4(0.0f,0.0f,0.1f,0.0f);
center += glm::inverse(view) * glm::vec4(0.0f,0.0f,0.1f,0.0f);
break;
case GLFW_KEY_D:
eye += glm::inverse(view) * glm::vec4(0.1f,0.0f,0.0f,0.0f);
center += glm::inverse(view) * glm::vec4(0.1f,0.0f,0.0f,0.0f);
break;
default:
break;
}
ImGui_ImplGlfwGL3_KeyCallback(window,k,s,a,m);
};
setCursorPosCallback(window, cursorPosCB);
setMouseButtonCallback(window, mouseButtonCB);
setKeyCallback(window, keyboardCB);
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////// RENDER LOOP /////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
double elapsedTime = 0.0;
render(window, [&](double dt)
{
elapsedTime += dt;
std::string window_header = "Volume Renderer - " + std::to_string( 1.0 / dt ) + " FPS";
glfwSetWindowTitle(window, window_header.c_str() );
//////////////////////////////// GUI ////////////////////////////////
ImGuiIO& io = ImGui::GetIO();
ImGui_ImplGlfwGL3_NewFrame(); // tell ImGui a new frame is being rendered
ImGui::PushItemWidth(-100);
if (ImGui::CollapsingHeader("Geometry Shader Settings"))
{
ImGui::ColorEdit4( "color", glm::value_ptr( s_color)); // color mixed at max distance
ImGui::SliderFloat("strength", &s_strength, 0.0f, 2.0f); // influence of color shift
}
ImGui::Checkbox("auto-rotate", &s_isRotating); // enable/disable rotating volume
ImGui::PopItemWidth();
//////////////////////////////////////////////////////////////////////////////
///////////////////////////// MATRIX UPDATING ///////////////////////////////
if (s_isRotating) // update view matrix
{
model = glm::rotate(glm::mat4(1.0f), (float) dt, glm::vec3(0.0f, 1.0f, 0.0f) ) * model;
}
view = glm::lookAt(glm::vec3(eye), glm::vec3(center), glm::vec3(0.0f, 1.0f, 0.0f));
//////////////////////////////////////////////////////////////////////////////
//////////////////////// SHADER / UNIFORM UPDATING //////////////////////////
// update view related uniforms
shaderProgram.update( "view", view);
shaderProgram.update( "model", turntable.getRotationMatrix() * model);
geomShader.update( "view", view);
geomShader.update( "model", turntable.getRotationMatrix() * model);
compShader.update( "vLightPos", view * turntable.getRotationMatrix() * s_lightPos);
updateVectorTexture(elapsedTime);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, s_vectorTexture);
// glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA); // this is altered by ImGui::Render(), so reset it every frame
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, s_texHandle);
geomShader.update("tex", 1);
geomShader.update("blendColor", 2.0);
geomShader.update("color", s_color);
geomShader.update("strength", s_strength);
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////// RENDERING //// /////////////////////////////
// glActiveTexture(GL_TEXTURE0);
// glBindTexture(GL_TEXTURE_2D, fbo.getColorAttachmentTextureHandle(GL_COLOR_ATTACHMENT0)); // color
// glActiveTexture(GL_TEXTURE1);
// glBindTexture(GL_TEXTURE_2D, fbo.getColorAttachmeHntTextureHandle(GL_COLOR_ATTACHMENT1)); // normal
// glActiveTexture(GL_TEXTURE2);
// glBindTexture(GL_TEXTURE_2D, fbo.getColorAttachmentTextureHandle(GL_COLOR_ATTACHMENT2)); // position
// glActiveTexture(GL_TEXTURE0);
// compShader.update("colorMap", 0);
// compShader.update("normalMap", 1);
// compShader.update("positionMap", 2);
// renderPass.render();
// compositing.render();
geom.render();
ImGui::Render();
glDisable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ZERO); // this is altered by ImGui::Render(), so reset it every frame
//////////////////////////////////////////////////////////////////////////////
});
destroyWindow(window);
return 0;
}
int main()
{
hmk::Logger::get_instance().initialize("engine.txt");
if (glfwInit() == GL_FALSE)
{
HMK_LOG_ERROR("failed glfwInit")
hmk::Logger::get_instance().shutdown();
return -1;
}
glfwSetErrorCallback(ErrorCallback);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_RESIZABLE, GL_FALSE);
glfwWindowHint(GLFW_SAMPLES, 8);
GLFWwindow* window = glfwCreateWindow(800, 600, "HMK", nullptr, nullptr);
if (window == nullptr)
{
HMK_LOG_ERROR("failed glfwCreateWindow")
hmk::Logger::get_instance().shutdown();
glfwTerminate();
return -1;
}
glfwSetWindowPos(window, 500, 30);
glfwMakeContextCurrent(window);
if (gl3wInit() == -1) // 0 success
{
HMK_LOG_ERROR("failed gl3wInit")
hmk::Logger::get_instance().shutdown();
glfwTerminate();
return -1;
}
if (!gl3wIsSupported(3, 3))
{
HMK_LOG_ERROR("Upgrade your graphic card!")
hmk::Logger::get_instance().shutdown();
glfwTerminate();
return -1;
}
#if _DEBUG
if (glDebugMessageCallback)
{
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
glDebugMessageCallback(glErrorCallback, nullptr);
GLuint unused = 0;
glDebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, &unused, true);
}
#endif
ImGui_ImplGlfwGL3_Init(window, false);
Game *game = new Game();
game->initialize();
glfwSetKeyCallback(window, KeyCallback);
glfwSetCursorPosCallback(window, CursorPosCallback);
glfwSetMouseButtonCallback(window, MouseButtonCallback);
glfwSetDropCallback(window, DropCallback);
keyCallback = HMK_CALLBACK_4(Game::key_input, game);
cursorPosCallback = HMK_CALLBACK_2(Game::cursor_pos_input, game);
mouseButtonCallback = HMK_CALLBACK_3(Game::mouse_button_input, game);
dropCallback = HMK_CALLBACK_2(Game::drop_files_callback, game);
double lastTime = glfwGetTime();
glEnable(GL_DEPTH_TEST);
glDepthMask(GL_TRUE);
glDepthFunc(GL_LEQUAL);
glDepthRange(0.0f, 1.0f);
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glFrontFace(GL_CW);
glEnable(GL_FRAMEBUFFER_SRGB);
glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS); // https://www.opengl.org/wiki/Cubemap_Texture#Seamless_cubemap
glEnable(GL_MULTISAMPLE);
glClearColor(0.2f, 0.3f, 0.2f, 1.0f);
double fps = 0.0;
double acc = 0.0;
while (!glfwWindowShouldClose(window))
{
glfwPollEvents();
ImGui_ImplGlfwGL3_NewFrame();
double now = glfwGetTime();
double delta = now - lastTime;
lastTime = now;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
game->update((float)delta);
game->render();
fps++;
acc += delta;
if (acc > 1.0)
{
acc = 0.0;
fps = 0.0;
}
ImGui::Render();
glfwSwapBuffers(window);
}
delete game;
hmk::Logger::get_instance().shutdown();
glfwDestroyWindow(window);
ImGui_ImplGlfwGL3_Shutdown();
glfwTerminate();
return 0;
}
int Game::run() {
// Initialize
if (!initializeGlfw()) {
return 1;
}
if (GLEW_OK != initializeGlew()) {
return 2;
}
initializeGl();
tileManager_->initialize(currentPos_);
options_ = tileManager_->getOptions();
ImGui_ImplGlfwGL3_Init(window_, true);
deltaTime_ = 0.0f; // Time between current and last frame
lastFrame_ = 0.0f; // Time at last frame
lastTime_ = 0.0f; // Time since last fps-"second"
frameCount_ = 0;
// Game loop
while (!glfwWindowShouldClose(window_)) {
// Calculate deltatime of current frame
GLfloat currentTime = glfwGetTime();
deltaTime_ = currentTime - lastFrame_;
lastFrame_ = currentTime;
// Check for events
glfwPollEvents();
// GUI
showGui();
// Move
do_movement(deltaTime_);
// Get current camera position
getCurrentPosition();
// Clear color- and depth buffer
glClearColor(0.3f, 0.3f, 0.3f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Update and render tiles
tileManager_->update(currentPos_);
tileManager_->renderAll(deltaTime_, camera_.getViewMatrix());
// Render GUI
if (!guiClosed_) {
// ignore wireframe setting for gui
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
ImGui::Render();
glPolygonMode(GL_FRONT_AND_BACK, fillmode_);
}
// Swap the screen buffers
glfwSwapBuffers(window_);
}
// Clean up imgui
ImGui_ImplGlfwGL3_Shutdown();
// Clean up tiles
tileManager_->cleanUp();
// Terminate GLFW, clearing any resources allocated by GLFW.
glfwDestroyWindow(window_);
glfwTerminate();
return 0;
}
void Gui::init(ptr<Window> w) {
ImGui_ImplGlfwGL3_Init(static_cast<GLFWwindow*>(w->getWindowPtr()), false);
ImGui_ImplGlfwGL3_CreateDeviceObjects();
}
int main(int argc, char** argv)
{
if(argc != 2) {
std::cout << "Usage:\n\t" << argv[0] << " IMAGE" << std::endl;
return 1;
}
// Setup window
glfwSetErrorCallback(error_callback);
if (!glfwInit())
return 1;
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
#if __APPLE__
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
#endif
GLFWwindow* window = glfwCreateWindow(1280, 720, "HBVisionGraphEditor", NULL, NULL);
glfwMakeContextCurrent(window);
gl3wInit();
// Setup ImGui binding
ImGui_ImplGlfwGL3_Init(window, true);
ImVec4 clear_color = ImColor(39, 40, 34);
cv::Mat image = cv::imread(argv[1]);
Solution solution(image);
AlgSimple simple;
Preview preview{solution};
Preview preview2{solution};
while (!glfwWindowShouldClose(window)) {
if(!glfwGetWindowAttrib(window, GLFW_ICONIFIED) && glfwGetWindowAttrib(window, GLFW_VISIBLE)) {
glfwPollEvents();
ImGui_ImplGlfwGL3_NewFrame();
// Settings
ImGui::BeginMainMenuBar();
int menuHeight = ImGui::GetTextLineHeightWithSpacing();
if(ImGui::BeginMenu("File")) {
if(ImGui::MenuItem("Quit")) {
glfwSetWindowShouldClose(window, GL_TRUE);
}
ImGui::EndMenu();
}
ImGui::EndMainMenuBar();
bool open = false;
ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 0);
ImGui::SetNextWindowPos(ImVec2(0, menuHeight));
ImGui::SetNextWindowSize(ImVec2(400, ImGui::GetIO().DisplaySize.y - menuHeight));
if (ImGui::Begin("###main", &open, ImVec2(0, 0), 0.5f,
ImGuiWindowFlags_NoTitleBar |
ImGuiWindowFlags_NoResize |
ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoBringToFrontOnFocus |
ImGuiWindowFlags_NoSavedSettings))
{
if (ImGui::TreeNodeEx("Solution", ImGuiTreeNodeFlags_DefaultOpen)) {
solution.draw();
ImGui::TreePop();
}
if (ImGui::TreeNodeEx("Algorithm", ImGuiTreeNodeFlags_DefaultOpen)) {
static int currentAlgorithm = 0;
ImGui::Combo("###AlgorithmCombo", ¤tAlgorithm, "simple\0empty\0\0");
simple.draw();
ImGui::TreePop();
}
ImGui::Spacing();
ImGui::Separator();
ImGui::Spacing();
if (ImGui::Button("Calculate Pattern", ImVec2(ImGui::GetContentRegionAvailWidth(), 20))) {
simple.calculate(solution);
}
}
ImGui::End();
ImGui::PopStyleVar();
// Preview
preview.draw(solution);
preview2.draw(solution);
// Rendering
int display_w, display_h;
glfwGetFramebufferSize(window, &display_w, &display_h);
glViewport(0, 0, display_w, display_h);
glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w);
glClear(GL_COLOR_BUFFER_BIT);
ImGui::Render();
glfwSwapBuffers(window);
} else {
glfwWaitEvents();
}
}
// Cleanup
ImGui_ImplGlfwGL3_Shutdown();
glfwTerminate();
return 0;
}
GLFWOSPRayWindow::GLFWOSPRayWindow(const ospcommon::vec2i &windowSize,
const ospcommon::box3f &worldBounds,
OSPModel model,
OSPRenderer renderer)
: windowSize(windowSize),
worldBounds(worldBounds),
model(model),
renderer(renderer)
{
if (activeWindow != nullptr)
throw std::runtime_error("Cannot create more than one GLFWOSPRayWindow!");
activeWindow = this;
// initialize GLFW
if (!glfwInit())
throw std::runtime_error("Failed to initialize GLFW!");
// create GLFW window
glfwWindow = glfwCreateWindow(
windowSize.x, windowSize.y, "OSPRay Tutorial", NULL, NULL);
if (!glfwWindow) {
glfwTerminate();
throw std::runtime_error("Failed to create GLFW window!");
}
// make the window's context current
glfwMakeContextCurrent(glfwWindow);
ImGui_ImplGlfwGL3_Init(glfwWindow, true);
// set initial OpenGL state
glEnable(GL_TEXTURE_2D);
glDisable(GL_LIGHTING);
// create OpenGL frame buffer texture
glGenTextures(1, &framebufferTexture);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, framebufferTexture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
// set GLFW callbacks
glfwSetFramebufferSizeCallback(
glfwWindow, [](GLFWwindow *, int newWidth, int newHeight) {
activeWindow->reshape(ospcommon::vec2i{newWidth, newHeight});
});
glfwSetCursorPosCallback(glfwWindow, [](GLFWwindow *, double x, double y) {
ImGuiIO &io = ImGui::GetIO();
if (!io.WantCaptureMouse)
activeWindow->motion(ospcommon::vec2f{float(x), float(y)});
});
glfwSetKeyCallback(glfwWindow,
[](GLFWwindow *, int key, int, int action, int) {
if (action == GLFW_PRESS) {
switch (key) {
case GLFW_KEY_G:
activeWindow->showUi = !(activeWindow->showUi);
break;
}
}
});
// OSPRay setup
// set the model on the renderer
ospSetObject(renderer, "model", model);
// create the arcball camera model
arcballCamera = std::unique_ptr<ArcballCamera>(
new ArcballCamera(worldBounds, windowSize));
// create camera
camera = ospNewCamera("perspective");
ospSetf(camera, "aspect", windowSize.x / float(windowSize.y));
ospSetVec3f(camera,
"pos",
osp::vec3f{arcballCamera->eyePos().x,
arcballCamera->eyePos().y,
arcballCamera->eyePos().z});
ospSetVec3f(camera,
"dir",
osp::vec3f{arcballCamera->lookDir().x,
arcballCamera->lookDir().y,
arcballCamera->lookDir().z});
ospSetVec3f(camera,
"up",
osp::vec3f{arcballCamera->upDir().x,
arcballCamera->upDir().y,
arcballCamera->upDir().z});
ospCommit(camera);
// set camera on the renderer
ospSetObject(renderer, "camera", camera);
// finally, commit the renderer
ospCommit(renderer);
// trigger window reshape events with current window size
glfwGetFramebufferSize(glfwWindow, &this->windowSize.x, &this->windowSize.y);
reshape(this->windowSize);
}
int run(
int width,
int height,
const std::string& caption,
const std::function<void(GLFWwindow* window)>& func)
{
if (!glfwInit()) {
std::cerr << "Cannot initialize glfw." << std::endl;
return -1;
}
auto window = create_window(width, height, caption);
if (!window) {
std::cerr << "Cannot create window." << std::endl;
glfwTerminate();
return -1;
}
glfwMakeContextCurrent(window);
glfwSwapInterval(0);
if (!gladLoadGL()) {
std::cerr << "Cannot load glad extensions." << std::endl;
glfwTerminate();
return -1;
}
std::cerr << "Loaded OpenGL "
<< GLVersion.major << "."
<< GLVersion.minor << " profile."
<< std::endl;
window_context_t* context = new window_context_t();
glfwSetWindowUserPointer(window, context);
glfwSetWindowSizeCallback(window, window_resize);
window_resize(window, width, height);
context->program_id = create_program();
context->sampler_location = glGetUniformLocation(context->program_id, "sampler");
context->scale_location = glGetUniformLocation(context->program_id, "scale");
glGenVertexArrays(1, &context->varray_id);
glBindVertexArray(context->varray_id);
context->buffer_id = create_fullscreen_quad();
auto& io = ImGui::GetIO();
io.IniFilename = nullptr;
ImGui_ImplGlfwGL3_Init(window, true);
func(window);
if (context->texture_created) {
glDeleteTextures(1, &context->texture_id);
}
glDeleteVertexArrays(1, &context->varray_id);
delete context;
glfwTerminate();
return 0;
}
GLFWwindow* gfx::GraphicsEngine::Initialize( int width, int height, bool vsync, bool fullscreen ){
m_Width = width;
m_Height = height;
if( !glfwInit( ) )
return nullptr;
//glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
//glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
//glfwWindowHint(GLFW_DECORATED, GL_FALSE);
if(fullscreen){
m_Window = glfwCreateWindow( width, height, "ModelViewer", glfwGetPrimaryMonitor( ), nullptr );
}else{
m_Window = glfwCreateWindow( width, height, "ModelViewer", nullptr, nullptr );
}
if(!m_Window)
return nullptr;
glfwMakeContextCurrent( m_Window );
ImGui_ImplGlfwGL3_Init( m_Window, true );
glewExperimental = GL_TRUE;
glewInit( );
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glFrontFace(GL_CCW);
glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS);
if(vsync){
glfwSwapInterval( 1 );
}else{
glfwSwapInterval( 0 );
}
glClearColor(0.2f, 0.2f, 0.2f, 1.0f);
//set camera
float aspectRatio = width / (float)height;
m_Camera.GetEditableLens( ).Near = 0.1f;
m_Camera.GetEditableLens( ).Far = 100.0f;
m_Camera.GetEditableLens( ).VerticalFOV = ( ( 90.0f / ( aspectRatio ) ) / 360.0f ) * 2 * glm::pi<float>( ); // calc FOV as horisontal FOV 90 degrees
m_Camera.GetEditableLens().WindowHeight = height - BUTTON_SIZE * 2;
m_Camera.GetEditableLens().WindowWidth = (int)(width * 0.5f);
m_Camera.SetPosition(glm::vec3(0.0f, 10.0f, 20.0f));
m_Camera.CalculateViewProjection();
//load shaders
m_Shader = g_ShaderBank.LoadShaderProgram( "shader/CombinedShader.glsl" );
m_SpriteShader = g_ShaderBank.LoadShaderProgram("shader/SpriteShader.glsl");
m_GizmoProgram = g_ShaderBank.LoadShaderProgram("shader/GizmoProgram.glsl");
m_LineProgram = g_ShaderBank.LoadShaderProgram("shader/LineShader.glsl");
//Load cubeTex
m_SkyTex = new Texture();
m_SkyTex->Init("asset/CubeMaps/square.dds", TEXTURE_CUBE);
m_IrradianceTex = new Texture();
m_IrradianceTex->Init("asset/CubeMaps/square_irr.dds", TEXTURE_CUBE);
m_FrameBuffer.Init();
glGenBuffers(1, &m_LineVBO);
glGenVertexArrays(1, &m_LineVAO);
glBindVertexArray(m_LineVAO);
glBindBuffer(GL_ARRAY_BUFFER, m_LineVBO);
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, 0);
glBufferData(GL_ARRAY_BUFFER, sizeof(glm::vec2) * 100000, nullptr, GL_DYNAMIC_DRAW); //allocate buffer
return m_Window;
}
//Main Thread
int main(int argc, char** argv)
{
InitalizeEngine();
InitalizeNetwork();
window = new FireCore::Graphics::Window("Graphics Context -FireCore <Opengl 4.5>", 800, 800);
memoryManager = new FireCore::Managers::MemoryManager();
fileManager = new FireCore::Managers::FileManager(memoryManager);
renderer = new FireCore::Managers::Renderer(window);
sceneManager = new FireCore::Managers::SceneManager(fileManager, renderer,window);
/// Load Scenes
sceneManager->AddScene(new FireCore::World::Debug());
sceneManager->AddScene(new FireCore::World::LoginScreen());
sceneManager->AddScene(new FireCore::World::Game());
sceneManager->AddScene(new FireCore::World::Graph());
sceneManager->Initialise();
//Threads and loops
#if defined DEBUG
CreateThread(NULL, NULL, (LPTHREAD_START_ROUTINE)AdminScene, NULL, NULL, NULL);
#endif
CreateThread(NULL, NULL, (LPTHREAD_START_ROUTINE)MessageThread, NULL, NULL, NULL);
double lastTime = 0;
ImGui_ImplGlfwGL3_Init(window->getWindow(), true);
while (true)
{
double currentTime = glfwGetTime();
double deltaTime = float(currentTime - lastTime);
window->Clear();
sceneManager->Update(deltaTime);
ImGui_ImplGlfwGL3_NewFrame();
if (ImGui::BeginMainMenuBar())
{
if (ImGui::BeginMenu("Levels"))
{
if (ImGui::MenuItem("Forest", "Index : 0 ")) { sceneManager->ChangeLevel(0); }
ImGui::Separator();
if (ImGui::MenuItem("Login Screen", "Index : 1 ")) { sceneManager->ChangeLevel(1); }
ImGui::Separator();
if (ImGui::MenuItem("Quarry", "Index : 2 ")) { sceneManager->ChangeLevel(2); }
ImGui::Separator();
if (ImGui::MenuItem("Graph Example", "Index : 3 ")) { sceneManager->ChangeLevel(3); }
ImGui::Separator();
if (ImGui::MenuItem("Exit", "")) { exit(1); }
ImGui::EndMenu();
}
if (ImGui::BeginMenu("Edit"))
{
if (ImGui::MenuItem("Edit Object..", NULL, &Edit_Mode))
{
if (Edit_Mode){
EditorWindow(&Edit_Mode, renderer->GetSelectedObject());
}
}
ImGui::Separator();
if (ImGui::MenuItem("Save..."))
{
std::cout << "Saving file not yet implimented noob..." << std::endl;
}
ImGui::EndMenu();
}
if (ImGui::BeginMenu("Chat"))
{
if (ImGui::MenuItem("Chat Console", NULL, &Chat_Enabled))
{
if (Chat_Enabled){
NetworkChat(&Chat_Enabled);
}
}
ImGui::EndMenu();
}
if (ImGui::BeginMenu("Debug"))
{
if (ImGui::MenuItem("Colliders", NULL, &Collider_Debug)){
renderer->SetDebug(Collider_Debug);
}
ImGui::Separator();
if (ImGui::MenuItem("Camera -> Tracked", NULL, &Camera_TRACKED)){
Camera_FPS = false;
Camera_FIXED = false;
renderer->GetCamera()->SetType(FireCore::Graphics::CameraType::Tracked);
}
if (ImGui::MenuItem("Camera -> FPS", NULL, &Camera_FPS)){
Camera_TRACKED = false;
Camera_FIXED = false;
renderer->GetCamera()->SetType(FireCore::Graphics::CameraType::FPS);
}
if (ImGui::MenuItem("Camera -> Fixed", NULL, &Camera_FIXED)){
Camera_FPS = false;
Camera_TRACKED = false;
renderer->GetCamera()->SetType(FireCore::Graphics::CameraType::Fixed);
}
ImGui::EndMenu();
}
ImGui::EndMainMenuBar();
}
if (Chat_Enabled){
NetworkChat(&Chat_Enabled);
}
if (Edit_Mode){
EditorWindow(&Edit_Mode,renderer->GetSelectedObject());
}
ImGui::Render();
window->Update();
lastTime = currentTime;
}
return 0;
}
int main(int argc, char** argv) {
glfwSetErrorCallback(glfwError);
if (!glfwInit()) return 1;
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
GLFWmonitor* monitor = glfwGetPrimaryMonitor();
const GLFWvidmode* mode = glfwGetVideoMode(monitor);
GLFWwindow* window =
glfwCreateWindow(mode->width, mode->height, "HumanDetection", NULL, NULL);
glfwMakeContextCurrent(window);
glewExperimental = GL_TRUE;
glewInit();
fhd_context detector;
fhd_context_init(&detector, 512, 424, 8, 8);
ImGui_ImplGlfwGL3_Init(window, true);
ImGui::GetStyle().WindowRounding = 0.f;
bool show_window = true;
fhd_ui ui(&detector);
if (argc > 1) {
const char* train_database = argv[1];
ui.train_mode = true;
fhd_candidate_db_init(&ui.candidate_db, train_database);
}
ImVec4 clear_color = ImColor(218, 223, 225);
while (!glfwWindowShouldClose(window)) {
glfwPollEvents();
if (ImGui::IsKeyPressed(GLFW_KEY_ESCAPE)) break;
if (ui.train_mode) {
if (ImGui::IsKeyPressed(GLFW_KEY_X)) {
fhd_ui_clear_candidate_selection(&ui);
ui.depth_frame = ui.frame_source->get_frame();
}
if (ImGui::IsKeyPressed(GLFW_KEY_SPACE)) {
fhd_ui_commit_candidates(&ui);
}
} else {
if (ui.update_enabled) {
ui.depth_frame = ui.frame_source->get_frame();
}
}
if (ui.depth_frame) {
auto t1 = std::chrono::high_resolution_clock::now();
fhd_run_pass(&detector, ui.depth_frame);
auto t2 = std::chrono::high_resolution_clock::now();
auto duration =
std::chrono::duration_cast<std::chrono::microseconds>(t2 - t1);
ui.detection_pass_time_ms = double(duration.count()) / 1000.0;
fhd_ui_update(&ui, ui.depth_frame);
}
ImGui_ImplGlfwGL3_NewFrame();
int display_w, display_h;
glfwGetFramebufferSize(window, &display_w, &display_h);
ImGui::SetNextWindowPos(ImVec2(0, 0));
ImGuiWindowFlags flags = ImGuiWindowFlags_NoMove |
ImGuiWindowFlags_NoResize |
ImGuiWindowFlags_NoTitleBar;
ImGui::Begin("foo", &show_window,
ImVec2(float(display_w), float(display_h)), -1.f, flags);
ImGui::BeginChild("toolbar", ImVec2(300.f, float(display_h)));
render_db_selection(&ui);
render_classifier_selection(&ui);
if (ui.train_mode) {
ImGui::Text("*** TRAINING DB: %s ***", argv[1]);
}
ImGui::Text("detection pass time %.3f ms", ui.detection_pass_time_ms);
ImGui::Text("frame source: %s", ui.database_name.c_str());
ImGui::Text("frame %d/%d", ui.frame_source->current_frame(),
ui.frame_source->total_frames());
ImGui::Text("classifier: %s", ui.classifier_name.c_str());
ImGui::Checkbox("update enabled", &ui.update_enabled);
ImGui::SliderFloat("##det_thresh", &ui.detection_threshold, 0.f, 1.f,
"detection threshold %.3f");
ImGui::InputFloat("seg k depth", &ui.fhd->depth_segmentation_threshold);
ImGui::InputFloat("seg k normals", &ui.fhd->normal_segmentation_threshold);
ImGui::SliderFloat("##min_reg_dim", &ui.fhd->min_region_size, 8.f, 100.f,
"min region dimension %.1f");
ImGui::SliderFloat("##merge_dist_x", &ui.fhd->max_merge_distance, 0.1f, 2.f,
"max h merge dist (m) %.2f");
ImGui::SliderFloat("##merge_dist_y", &ui.fhd->max_vertical_merge_distance,
0.1f, 3.f, "max v merge dist (m) %.2f");
ImGui::SliderFloat("##min_inlier", &ui.fhd->min_inlier_fraction, 0.5f, 1.f,
"RANSAC min inlier ratio %.2f");
ImGui::SliderFloat("##max_plane_dist", &ui.fhd->ransac_max_plane_distance,
0.01f, 1.f, "RANSAC max plane dist %.2f");
ImGui::SliderFloat("##reg_height_min", &ui.fhd->min_region_height, 0.1f,
3.f, "min region height (m) %.2f");
ImGui::SliderFloat("##reg_height_max", &ui.fhd->max_region_height, 0.1f,
3.f, "max region height (m) %.2f");
ImGui::SliderFloat("##reg_width_min", &ui.fhd->min_region_width, 0.1f, 1.f,
"min region width (m) %.2f");
ImGui::SliderFloat("##reg_width_max", &ui.fhd->max_region_height, 0.1f,
1.5f, "max region width (m) %.2f");
ImGui::SliderInt("##min_depth_seg_size", &ui.fhd->min_depth_segment_size, 4,
200, "min depth seg size");
ImGui::SliderInt("##min_normal_seg_size", &ui.fhd->min_normal_segment_size,
4, 200, "min normal seg size");
ImGui::EndChild();
ImGui::SameLine();
ImGui::BeginGroup();
ImDrawList* draw_list = ImGui::GetWindowDrawList();
ImVec2 p = ImGui::GetCursorScreenPos();
ImGui::Image((void*)intptr_t(ui.depth_texture.handle), ImVec2(512, 424));
ImU32 rect_color = ImColor(240, 240, 20);
for (int i = 0; i < detector.candidates_len; i++) {
const fhd_candidate* candidate = &detector.candidates[i];
if (candidate->weight >= 1.f) {
const fhd_image_region region = candidate->depth_position;
const float x = p.x + float(region.x);
const float y = p.y + float(region.y);
const float w = float(region.width);
const float h = float(region.height);
ImVec2 points[4] = {
ImVec2(x, y),
ImVec2(x + w, y),
ImVec2(x + w, y + h),
ImVec2(x, y + h)
};
draw_list->AddPolyline(points, 4, rect_color, true, 4.f, true);
}
}
ImGui::BeginGroup();
ImGui::Image((void*)intptr_t(ui.normals_texture.handle), ImVec2(256, 212));
ImGui::SameLine();
ImGui::Image((void*)intptr_t(ui.normals_seg_texture.handle),
ImVec2(256, 212));
ImGui::EndGroup();
ImGui::BeginGroup();
ImGui::Image((void*)intptr_t(ui.downscaled_depth.handle), ImVec2(256, 212));
ImGui::SameLine();
ImGui::Image((void*)intptr_t(ui.depth_segmentation.handle),
ImVec2(256, 212));
ImGui::EndGroup();
ImGui::Image((void*)intptr_t(ui.filtered_regions.handle), ImVec2(256, 212));
ImGui::EndGroup();
ImGui::SameLine();
ImGui::BeginGroup();
if (ui.train_mode) {
fhd_candidate_selection_grid(&ui, FHD_HOG_WIDTH * 2, FHD_HOG_HEIGHT * 2);
} else {
for (int i = 0; i < detector.candidates_len; i++) {
fhd_texture* t = &ui.textures[i];
ImGui::Image((void*)intptr_t(t->handle),
ImVec2(t->width * 2, t->height * 2));
if (i % 7 < 6) ImGui::SameLine();
}
}
ImGui::EndGroup();
ImGui::End();
glViewport(0, 0, display_w, display_h);
glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w);
glClear(GL_COLOR_BUFFER_BIT);
ImGui::Render();
glfwSwapBuffers(window);
}
if (ui.train_mode) {
fhd_candidate_db_close(&ui.candidate_db);
}
fhd_texture_destroy(&ui.depth_texture);
fhd_classifier_destroy(detector.classifier);
ImGui_ImplGlfwGL3_Shutdown();
glfwTerminate();
return 0;
}
int main(int, char**){
const double FRAME_INTERVAL = 1.0 / 60.0;
// Setup window
glfwSetErrorCallback(error_callback);
if (!glfwInit())
return 1;
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
#if __APPLE__
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
#endif
GLFWwindow* window = glfwCreateWindow(1280, 720, "Falton Debug Visualizer", NULL, NULL);
glfwMakeContextCurrent(window);
gl3wInit();
// Setup ImGui binding
ImGui_ImplGlfwGL3_Init(window, true);
ImVec4 clear_color = ImColor(0, 0, 0);
Phyvis::Context ctx;
Phyvis::Init(&ctx);
double prevTime = glfwGetTime();
double lag = 0.0f;
// Main loop
while (!glfwWindowShouldClose(window))
{
double time0 = glfwGetTime();
double delta = time0- prevTime;
lag += delta;
prevTime = time0;
while (lag >= FRAME_INTERVAL) {
glfwPollEvents();
ImGui_ImplGlfwGL3_NewFrame();
// Rendering
int display_w, display_h;
glfwGetFramebufferSize(window, &display_w, &display_h);
glViewport(0, 0, display_w, display_h);
glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
Phyvis::Tick(&ctx, display_w, display_h);
ImGui::Render();
glfwSwapBuffers(window);
lag -= FRAME_INTERVAL;
}
}
Phyvis::Cleanup(&ctx);
// Cleanup
ImGui_ImplGlfwGL3_Shutdown();
glfwTerminate();
return 0;
}
GUI::GUI(GLFWwindow* window){
ImGui_ImplGlfwGL3_Init(window, false);
}
int main(int, char**)
{
// Setup window
glfwSetErrorCallback(error_callback);
if (!glfwInit())
exit(1);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
GLFWwindow* window = glfwCreateWindow(1280, 720, "ImGui OpenGL3 example", NULL, NULL);
glfwMakeContextCurrent(window);
gl3wInit();
// Setup ImGui binding
ImGui_ImplGlfwGL3_Init(window, true);
//ImGuiIO& io = ImGui::GetIO();
//ImFont* my_font0 = io.Fonts->AddFontDefault();
//ImFont* my_font1 = io.Fonts->AddFontFromFileTTF("../../extra_fonts/DroidSans.ttf", 16.0f);
//ImFont* my_font2 = io.Fonts->AddFontFromFileTTF("../../extra_fonts/Karla-Regular.ttf", 16.0f);
//ImFont* my_font3 = io.Fonts->AddFontFromFileTTF("../../extra_fonts/ProggyClean.ttf", 13.0f); my_font3->DisplayOffset.y += 1;
//ImFont* my_font4 = io.Fonts->AddFontFromFileTTF("../../extra_fonts/ProggyTiny.ttf", 10.0f); my_font4->DisplayOffset.y += 1;
//ImFont* my_font5 = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, io.Fonts->GetGlyphRangesJapanese());
bool show_test_window = true;
bool show_another_window = false;
ImVec4 clear_color = ImColor(114, 144, 154);
// Main loop
while (!glfwWindowShouldClose(window))
{
ImGuiIO& io = ImGui::GetIO();
glfwPollEvents();
ImGui_ImplGlfwGL3_NewFrame();
// 1. Show a simple window
// Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets appears in a window automatically called "Debug"
{
static float f;
ImGui::Text("Hello, world!");
ImGui::SliderFloat("float", &f, 0.0f, 1.0f);
ImGui::ColorEdit3("clear color", (float*)&clear_color);
if (ImGui::Button("Test Window")) show_test_window ^= 1;
if (ImGui::Button("Another Window")) show_another_window ^= 1;
ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
}
// 2. Show another simple window, this time using an explicit Begin/End pair
if (show_another_window)
{
ImGui::SetNextWindowSize(ImVec2(200,100), ImGuiSetCond_FirstUseEver);
ImGui::Begin("Another Window", &show_another_window);
ImGui::Text("Hello");
ImGui::End();
}
// 3. Show the ImGui test window. Most of the sample code is in ImGui::ShowTestWindow()
if (show_test_window)
{
ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiSetCond_FirstUseEver);
ImGui::ShowTestWindow(&show_test_window);
}
// Rendering
glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y);
glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w);
glClear(GL_COLOR_BUFFER_BIT);
ImGui::Render();
glfwSwapBuffers(window);
}
// Cleanup
ImGui_ImplGlfwGL3_Shutdown();
glfwTerminate();
return 0;
}
