Add Physics2D components and systems (WIP)
This commit is contained in:
Jérôme Leclercq
191
examples/Physics2DDemo/main.cpp
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191
examples/Physics2DDemo/main.cpp
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#include <Nazara/Core.hpp>
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#include <Nazara/Platform.hpp>
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#include <Nazara/Graphics.hpp>
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#include <Nazara/Graphics/TextSprite.hpp>
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#include <Nazara/Graphics/Components.hpp>
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#include <Nazara/Graphics/Systems.hpp>
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#include <Nazara/Math/PidController.hpp>
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#include <Nazara/Physics2D.hpp>
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#include <Nazara/Physics2D/Components.hpp>
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#include <Nazara/Physics2D/Systems.hpp>
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#include <Nazara/Renderer.hpp>
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#include <Nazara/Shader.hpp>
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#include <Nazara/Shader/SpirvConstantCache.hpp>
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#include <Nazara/Shader/SpirvPrinter.hpp>
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#include <Nazara/Utility.hpp>
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#include <Nazara/Utility/Components.hpp>
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#include <Nazara/Widgets.hpp>
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#include <entt/entt.hpp>
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#include <array>
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#include <iostream>
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#include <limits>
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NAZARA_REQUEST_DEDICATED_GPU()
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int main()
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{
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std::filesystem::path resourceDir = "resources";
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if (!std::filesystem::is_directory(resourceDir) && std::filesystem::is_directory(".." / resourceDir))
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resourceDir = ".." / resourceDir;
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Nz::Renderer::Config rendererConfig;
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std::cout << "Run using Vulkan? (y/n)" << std::endl;
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if (std::getchar() != 'n')
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rendererConfig.preferredAPI = Nz::RenderAPI::Vulkan;
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else
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rendererConfig.preferredAPI = Nz::RenderAPI::OpenGL;
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std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
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Nz::Modules<Nz::Graphics, Nz::Physics2D> nazara(rendererConfig);
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Nz::RenderWindow window;
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std::shared_ptr<Nz::RenderDevice> device = Nz::Graphics::Instance()->GetRenderDevice();
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std::string windowTitle = "Graphics Test";
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if (!window.Create(device, Nz::VideoMode(1920, 1080, 32), windowTitle))
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{
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std::cout << "Failed to create Window" << std::endl;
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return __LINE__;
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}
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entt::registry registry;
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Nz::Physics2DSystem physSytem(registry);
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physSytem.GetPhysWorld().SetGravity({ 0.f, -9.81f });
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Nz::RenderSystem renderSystem(registry);
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entt::entity viewer = registry.create();
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{
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registry.emplace<Nz::NodeComponent>(viewer);
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auto& cameraComponent = registry.emplace<Nz::CameraComponent>(viewer, window.GetRenderTarget(), Nz::ProjectionType::Orthographic);
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cameraComponent.UpdateRenderMask(1);
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cameraComponent.UpdateClearColor(Nz::Color(127, 127, 127));
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}
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std::shared_ptr<Nz::Material> material = std::make_shared<Nz::Material>();
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std::shared_ptr<Nz::MaterialPass> materialPass = std::make_shared<Nz::MaterialPass>(Nz::BasicMaterial::GetSettings());
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material->AddPass("ForwardPass", materialPass);
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Nz::TextureSamplerInfo samplerInfo;
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samplerInfo.anisotropyLevel = 8;
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Nz::TextureParams texParams;
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texParams.renderDevice = device;
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texParams.loadFormat = Nz::PixelFormat::RGBA8_SRGB;
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Nz::BasicMaterial basicMat(*materialPass);
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basicMat.SetDiffuseMap(Nz::Texture::LoadFromFile(resourceDir / "Spaceship/Texture/diffuse.png", texParams));
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basicMat.SetDiffuseSampler(samplerInfo);
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for (std::size_t y = 0; y < 10; ++y)
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{
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for (std::size_t x = 0; x < 10; ++x)
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{
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entt::entity spriteEntity = registry.create();
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{
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std::shared_ptr<Nz::Sprite> sprite = std::make_shared<Nz::Sprite>(material);
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sprite->SetSize({ 32.f, 32.f });
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sprite->SetOrigin({ 16.f, 16.f, 0.f });
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registry.emplace<Nz::NodeComponent>(spriteEntity).SetPosition(1920 / 2 + x * 36.f, 1080 / 2 + y * 36.f);
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registry.emplace<Nz::GraphicsComponent>(spriteEntity).AttachRenderable(sprite, 1);
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auto& rigidBody = registry.emplace<Nz::RigidBody2DComponent>(spriteEntity, physSytem.CreateRigidBody(50.f, std::make_shared<Nz::BoxCollider2D>(Nz::Vector2f(32.f, 32.f))));
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rigidBody.SetElasticity(0.99f);
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}
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}
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}
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entt::entity groundEntity = registry.create();
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{
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std::shared_ptr<Nz::Material> whiteMaterial = std::make_shared<Nz::Material>();
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std::shared_ptr<Nz::MaterialPass> materialPass = std::make_shared<Nz::MaterialPass>(Nz::BasicMaterial::GetSettings());
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whiteMaterial->AddPass("ForwardPass", materialPass);
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std::shared_ptr<Nz::Sprite> sprite = std::make_shared<Nz::Sprite>(whiteMaterial);
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sprite->SetSize({ 800.f, 20.f });
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sprite->SetOrigin({ 400.f, 10.f, 0.f });
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registry.emplace<Nz::NodeComponent>(groundEntity).SetPosition(1920.f / 2.f, 50.f);
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registry.emplace<Nz::GraphicsComponent>(groundEntity).AttachRenderable(sprite, 1);
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auto& rigidBody = registry.emplace<Nz::RigidBody2DComponent>(groundEntity, physSytem.CreateRigidBody(0.f, std::make_shared<Nz::BoxCollider2D>(Nz::Vector2f(800.f, 20.f))));
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rigidBody.SetElasticity(0.99f);
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}
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Nz::EulerAnglesf camAngles(0.f, 0.f, 0.f);
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Nz::Quaternionf camQuat(camAngles);
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window.EnableEventPolling(true);
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Nz::Clock updateClock;
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Nz::Clock secondClock;
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unsigned int fps = 0;
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//Nz::Mouse::SetRelativeMouseMode(true);
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float elapsedTime = 0.f;
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Nz::UInt64 time = Nz::GetElapsedMicroseconds();
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Nz::PidController<Nz::Vector3f> headingController(0.5f, 0.f, 0.05f);
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Nz::PidController<Nz::Vector3f> upController(1.f, 0.f, 0.1f);
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bool showColliders = false;
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while (window.IsOpen())
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{
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Nz::UInt64 now = Nz::GetElapsedMicroseconds();
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elapsedTime = (now - time) / 1'000'000.f;
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time = now;
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Nz::WindowEvent event;
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while (window.PollEvent(&event))
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{
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switch (event.type)
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{
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case Nz::WindowEventType::Quit:
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window.Close();
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break;
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case Nz::WindowEventType::KeyPressed:
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break;
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case Nz::WindowEventType::MouseMoved:
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break;
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default:
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break;
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}
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}
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if (updateClock.GetMilliseconds() > 1000 / 60)
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{
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float updateTime = updateClock.Restart() / 1'000'000.f;
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physSytem.Update(registry, 1000.f / 60.f);
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}
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Nz::RenderFrame frame = window.AcquireFrame();
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if (!frame)
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continue;
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renderSystem.Render(registry, frame);
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frame.Present();
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fps++;
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if (secondClock.GetMilliseconds() >= 1000)
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{
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window.SetTitle(windowTitle + " - " + Nz::NumberToString(fps) + " FPS" + " - " + Nz::NumberToString(registry.alive()) + " entities");
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fps = 0;
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secondClock.Restart();
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}
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}
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return EXIT_SUCCESS;
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