imgui/examples/apple_example/imguiex-ios/debug_hud.cpp

//
//  debug_hud.cpp
//  imguiex

#include <stdio.h>

#include "debug_hud.h"
#include "imgui.h"

void DebugHUD_InitDefaults( DebugHUD *hud )
{
    hud->show_demo_window = true;
    hud->show_another_window = true;
    hud->rotation_speed = 15.0f;
    
    hud->cubeColor1[0] = 0.4f;
    hud->cubeColor1[1] = 0.4f;
    hud->cubeColor1[2] = 1.0f;
    hud->cubeColor1[3] = 1.0f;
    
    hud->cubeColor2[0] = 1.0f;
    hud->cubeColor2[1] = 0.4f;
    hud->cubeColor2[2] = 0.4f;
    hud->cubeColor2[3] = 1.0f;
    
    hud->clearColor[0] = 0.45f;
    hud->clearColor[1] = 0.55f;
    hud->clearColor[2] = 0.60f;
    hud->clearColor[3] = 1.00f;
}

void DebugHUD_DoInterface(DebugHUD *hud)
{
    // 1. Show a simple window.
    // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets automatically appears in a window called "Debug".
    {
        static float f = 0.0f;
        static int counter = 0;
        ImGui::Text("Hello, world!");                           // Display some text (you can use a format string too)
        ImGui::SliderFloat("float", &f, 0.0f, 1.0f);            // Edit 1 float using a slider from 0.0f to 1.0f    
        ImGui::ColorEdit3("clear color", hud->clearColor);      // Edit 3 floats representing a color

        ImGui::Checkbox("Demo Window", &hud->show_demo_window);      // Edit bools storing our windows open/close state
        ImGui::Checkbox("Another Window", &hud->show_another_window);

        if (ImGui::Button("Button"))                            // Buttons return true when clicked (NB: most widgets return true when edited/activated)
            counter++;
        ImGui::SameLine();
        ImGui::Text("counter = %d", counter);

        ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
    }

    // 2. Show another simple window. In most cases you will use an explicit Begin/End pair to name your windows.
    if (hud->show_another_window)
    {
        ImGui::Begin("Another Window", &hud->show_another_window);
        ImGui::Text("Hello from another window!");
        ImGui::ColorEdit3("Cube 1 Color", hud->cubeColor1);
        ImGui::ColorEdit3("Cube 2 Color", hud->cubeColor2);
        ImGui::SliderFloat("Rotation Speed", &hud->rotation_speed, 0.0f, 200.0f);
        if (ImGui::Button("Close Me"))
            hud->show_another_window = false;
        ImGui::End();
    }

    // 3. Show the ImGui demo window. Most of the sample code is in ImGui::ShowDemoWindow(). Read its code to learn more about Dear ImGui!
    if (hud->show_demo_window)
    {
        ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiCond_FirstUseEver); // Normally user code doesn't need/want to call this because positions are saved in .ini file anyway. Here we just want to make the demo initial state a bit more friendly!
        ImGui::ShowDemoWindow(&hud->show_demo_window);
    }
}