139 lines
3.4 KiB
C++
139 lines
3.4 KiB
C++
#include <glad/glad.h>
|
|
#include "Application.hpp"
|
|
|
|
#include <stdexcept>
|
|
#include <iostream>
|
|
|
|
#include "backends/imgui_impl_glfw.h"
|
|
#include "backends/imgui_impl_opengl3.h"
|
|
|
|
Application::Application() :
|
|
window(new Window(1280, 720, "Julia Sets")), canvas(nullptr)
|
|
{
|
|
window->MakeContextCurrent();
|
|
|
|
if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress))
|
|
{
|
|
throw std::runtime_error("GLAD failed to initialize.");
|
|
}
|
|
|
|
glViewport(0, 0, 1280, 720);
|
|
|
|
canvas = new Canvas();
|
|
|
|
IMGUI_CHECKVERSION();
|
|
ImGui::CreateContext();
|
|
ImGuiIO& io = ImGui::GetIO();
|
|
|
|
window->InitImGui();
|
|
ImGui_ImplOpenGL3_Init("#version 460 core");
|
|
|
|
ImGui::StyleColorsDark();
|
|
|
|
data.lastMousePos = { 0.0, 0.0 };
|
|
data.mouseDelta = { 0.0, 0.0 };
|
|
data.wheel = { 0.0, 0.0 };
|
|
|
|
GLFWwindow* nativeHandle = window->GetHandle();
|
|
glfwSetWindowUserPointer(nativeHandle, (void*)&data);
|
|
|
|
if (glfwRawMouseMotionSupported())
|
|
glfwSetInputMode(nativeHandle, GLFW_RAW_MOUSE_MOTION, GLFW_TRUE);
|
|
|
|
|
|
glfwSetScrollCallback(nativeHandle,
|
|
[] (GLFWwindow* window, double x, double y)
|
|
{
|
|
WindowData* data = (WindowData*)glfwGetWindowUserPointer(window);
|
|
|
|
data->wheel.x = x;
|
|
data->wheel.y = y;
|
|
}
|
|
);
|
|
}
|
|
|
|
Application::~Application()
|
|
{
|
|
ImGui_ImplOpenGL3_Shutdown();
|
|
ImGui_ImplGlfw_Shutdown();
|
|
ImGui::DestroyContext();
|
|
}
|
|
|
|
void Application::Launch()
|
|
{
|
|
while (!window->ShouldClose())
|
|
{
|
|
canvas->CalculateJuliaSet();
|
|
|
|
glfwPollEvents();
|
|
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
|
|
ImGui_ImplOpenGL3_NewFrame();
|
|
ImGui_ImplGlfw_NewFrame();
|
|
ImGui::NewFrame();
|
|
|
|
canvas->Render();
|
|
|
|
JuliaProperties& props = canvas->GetProperties();
|
|
int width, height;
|
|
window->GetWindowSize(width, height);
|
|
props.aspectRatio = (float)height / (float)width;
|
|
|
|
double mouseX, mouseY;
|
|
glfwGetCursorPos(window->GetHandle(), &mouseX, &mouseY);
|
|
|
|
data.mouseDelta.x = mouseX - data.lastMousePos.x;
|
|
data.mouseDelta.y = mouseY - data.lastMousePos.y;
|
|
|
|
data.lastMousePos.x = mouseX;
|
|
data.lastMousePos.y = mouseY;
|
|
|
|
float xSize = props.xBounds[1] - props.xBounds[0];
|
|
|
|
if (glfwGetMouseButton(window->GetHandle(), GLFW_MOUSE_BUTTON_LEFT))
|
|
{
|
|
float stepSize = xSize / (float)width;
|
|
|
|
props.xBounds[0] -= data.mouseDelta.x * stepSize;
|
|
props.xBounds[1] -= data.mouseDelta.x * stepSize;
|
|
|
|
props.yCenter += data.mouseDelta.y * stepSize;
|
|
}
|
|
|
|
if (data.wheel.y != 0.0)
|
|
{
|
|
props.xBounds[0] += data.wheel.y * (xSize / 10.0f);
|
|
props.xBounds[1] -= data.wheel.y * (xSize / 10.0f);
|
|
}
|
|
|
|
data.wheel = { 0.0, 0.0 };
|
|
|
|
const WorkProperties& workProps = canvas->GetWorkProperties();
|
|
|
|
ImGui::Begin("Julia Set Properties");
|
|
|
|
ImGui::SliderInt("max iterations", (int*)&props.maxIterations, 10, 1000);
|
|
ImGui::SliderFloat("max color", &props.iterationColorCutoff, 10, 1000);
|
|
ImGui::SliderInt("texture width", (int*)&props.textureWidth, 480, 2560);
|
|
|
|
ImGui::SliderFloat2("c param", props.c, -1.5f, 1.5f);
|
|
|
|
if (ImGui::Button(props.doublePrecision ? "Double Precision" : "Single Precision"))
|
|
props.doublePrecision = !props.doublePrecision;
|
|
|
|
ImGui::Separator();
|
|
|
|
ImGui::Text("Max work groups - x: %i, y: %i, z: %i", workProps.groupCount[0], workProps.groupCount[1], workProps.groupCount[2]);
|
|
ImGui::Text("Max group sizes - x: %i, y: %i, z: %i", workProps.groupSize[0], workProps.groupSize[1], workProps.groupSize[2]);
|
|
ImGui::Text("Max invocations - %i", workProps.maxInvocations);
|
|
|
|
ImGui::End();
|
|
|
|
ImGui::Render();
|
|
ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
|
|
|
|
window->Display();
|
|
}
|
|
}
|