feat: add directional light

src/main.cpp

@@ -1,7 +1,8 @@
 /**************************************************************************
  * EngineSquared - Vehicle Usage Example
  *
- * This example demonstrates how to use the Graphic and Physics plugins together for vehicle simulation.
+ * This example demonstrates how to use the Graphic and Physics plugins together
+ * for vehicle simulation.
  **************************************************************************/
 
 #include "Engine.hpp"
@@ -12,93 +13,124 @@
 #include "Input.hpp"
 #include "Object.hpp"
 #include "Physics.hpp"
-#include "Sound.hpp"
 #include "RenderingPipeline.hpp"
+#include "Sound.hpp"
 #include "plugin/PluginWindow.hpp"
 #include "resource/Window.hpp"
 
 #include "component/PlayerVehicle.hpp"
 #include "resource/CameraControlSystemManager.hpp"
-#include "scenes/LoadCourse.hpp"
-#include "scenes/CreateVehicle.hpp"
 #include "scenes/CreateLight.hpp"
-#include "system/VehicleInput.hpp"
+#include "scenes/CreateVehicle.hpp"
+#include "scenes/LoadCourse.hpp"
 #include "system/ChildFollowParentSystem.hpp"
-#include "utils/OrbitalChaseCameraBehavior.hpp"
 #include "system/EngineAudioSystem.hpp"
+#include "system/VehicleInput.hpp"
+#include "utils/OrbitalChaseCameraBehavior.hpp"
 
-void EscapeKeySystem(Engine::Core &core)
-{
-    auto &inputManager = core.GetResource<Input::Resource::InputManager>();
+void EscapeKeySystem(Engine::Core &core) {
+  auto &inputManager = core.GetResource<Input::Resource::InputManager>();
 
-    if (inputManager.IsKeyPressed(GLFW_KEY_ESCAPE))
-    {
-        core.Stop();
-    }
+  if (inputManager.IsKeyPressed(GLFW_KEY_ESCAPE)) {
+    core.Stop();
+  }
 }
 
-void Setup(Engine::Core &core)
-{
-    // Option to lock the cursor to the window
-    auto &window = core.GetResource<Window::Resource::Window>();
-    // window.MaskCursor();
+void Setup(Engine::Core &core) {
+  // Option to lock the cursor to the window
+  auto &window = core.GetResource<Window::Resource::Window>();
+  // window.MaskCursor();
 
-    //CreateCheckeredFloor(core);
-    LoadCourse(core);
-    auto vehicle = CreateVehicle(core);
-    auto light = CreateLight(core);
+  // CreateCheckeredFloor(core);
+  LoadCourse(core);
+  auto vehicle = CreateVehicle(core);
+  auto light = CreateLight(core);
 
-    auto camera = core.CreateEntity();
+  auto camera = core.CreateEntity();
 
-    camera.AddComponent<Object::Component::Transform>(glm::vec3(0.0f, 1.0f, -10.0f));
-    camera.AddComponent<Object::Component::Camera>();
-    camera.GetComponents<Object::Component::Camera>().farPlane = 10000.0f;
+  camera.AddComponent<Object::Component::Transform>(
+      glm::vec3(0.0f, 1.0f, -10.0f));
+  camera.AddComponent<Object::Component::Camera>();
+  camera.GetComponents<Object::Component::Camera>().farPlane = 10000.0f;
 
-    auto &cameraManager = core.GetResource<CameraMovement::Resource::CameraManager>();
-    cameraManager.SetActiveCamera(camera);
-    cameraManager.SetMovementSpeed(3.0f);
+  auto &cameraManager =
+      core.GetResource<CameraMovement::Resource::CameraManager>();
+  cameraManager.SetActiveCamera(camera);
+  cameraManager.SetMovementSpeed(3.0f);
 
-    core.RegisterSystem(EscapeKeySystem);
+  core.RegisterSystem(EscapeKeySystem);
 
-    core.RegisterSystem<Engine::Scheduler::FixedTimeUpdate>(VehicleInput);
-    core.RegisterSystem<Engine::Scheduler::FixedTimeUpdate>(ChildFollowParentSystem);
+  core.RegisterSystem<Engine::Scheduler::FixedTimeUpdate>(VehicleInput);
+  core.RegisterSystem<Engine::Scheduler::FixedTimeUpdate>(
+      ChildFollowParentSystem);
 
-    auto chaseBehavior = std::make_shared<OrbitalChaseCameraBehavior>(core, vehicle);
-    cameraManager.SetBehavior(chaseBehavior);
+  auto chaseBehavior =
+      std::make_shared<OrbitalChaseCameraBehavior>(core, vehicle);
+  cameraManager.SetBehavior(chaseBehavior);
 
-    auto &fixedTimeScheduler = core.GetScheduler<Engine::Scheduler::FixedTimeUpdate>();
-    fixedTimeScheduler.SetTickRate(1.0f / 120.0f);
+  auto &fixedTimeScheduler =
+      core.GetScheduler<Engine::Scheduler::FixedTimeUpdate>();
+  fixedTimeScheduler.SetTickRate(1.0f / 120.0f);
 
-    auto &cameraControlSystemManager = core.GetResource<CameraMovement::Resource::CameraControlSystemManager>();
-    cameraControlSystemManager.SetCameraControlSystemScheduler<Engine::Scheduler::FixedTimeUpdate>(core);
+  auto &cameraControlSystemManager =
+      core.GetResource<CameraMovement::Resource::CameraControlSystemManager>();
+  cameraControlSystemManager
+      .SetCameraControlSystemScheduler<Engine::Scheduler::FixedTimeUpdate>(
+          core);
 
-    // Register engine sound and attach audio component to vehicle entity
-    auto &soundMgr = core.GetResource<Sound::Resource::SoundManager>();
-    soundMgr.RegisterSound("engine_low", "asset/sounds/911_RSR30_1_in_on_high.wav", true);
-    Log::Info("Engine sound registered: engine_low");
+  // Register engine sound and attach audio component to vehicle entity
+  auto &soundMgr = core.GetResource<Sound::Resource::SoundManager>();
+  soundMgr.RegisterSound("engine_low",
+                         "asset/sounds/911_RSR30_1_in_on_high.wav", true);
+  Log::Info("Engine sound registered: engine_low");
 
-    vehicle.AddComponent<Game::Component::EngineAudioComponent>();
-    Log::Info("EngineAudioComponent added to vehicle");
+  vehicle.AddComponent<Game::Component::EngineAudioComponent>();
+  Log::Info("EngineAudioComponent added to vehicle");
 
-    // Drive audio updates on regular Update scheduler
-    core.RegisterSystem<Engine::Scheduler::Update>(EngineAudioSystem);
+  // Drive audio updates on regular Update scheduler
+  core.RegisterSystem<Engine::Scheduler::Update>(EngineAudioSystem);
 }
 
 class GraphicExampleError : public std::runtime_error {
-  public:
-    using std::runtime_error::runtime_error;
+public:
+  using std::runtime_error::runtime_error;
 };
 
-int main(void)
-{
-    spdlog::set_level(spdlog::level::info);
-    Engine::Core core;
+int main(void) {
+  spdlog::set_level(spdlog::level::info);
+  Engine::Core core;
+
+  core.AddPlugins<Window::Plugin, DefaultPipeline::Plugin, Input::Plugin,
+                  CameraMovement::Plugin, Physics::Plugin, Sound::Plugin>();
 
-    core.AddPlugins<Window::Plugin, DefaultPipeline::Plugin, Input::Plugin, CameraMovement::Plugin, Physics::Plugin, Sound::Plugin>();
+  core.RegisterSystem<Engine::Scheduler::Startup>(Setup);
+
+  core.RegisterSystem([](Engine::Core &core) {
+    auto view1 =
+        core.GetRegistry()
+            .view<PlayerVehicle, Physics::Component::VehicleController>();
+    if (!view1.front()) {
+      throw GraphicExampleError(
+          "No entity with PlayerVehicle and VehicleController found.");
+    }
+    Engine::Entity playerVehicle{core, *view1.begin()};
+    const auto &vehicleTransform =
+        playerVehicle.GetComponents<Object::Component::Transform>();
+
+    auto view2 = core.GetRegistry().view<Object::Component::DirectionalLight>();
+    if (!view2.front()) {
+      throw GraphicExampleError(
+          "No entity with PlayerVehicle and VehicleController found.");
+    }
+    Engine::Entity playerDirectionalLight{core, *view2.begin()};
+    auto &directionalLightTransform =
+        playerDirectionalLight.GetComponents<Object::Component::Transform>();
 
-    core.RegisterSystem<Engine::Scheduler::Startup>(Setup);
+    directionalLightTransform.SetPosition(vehicleTransform.GetPosition() +
+                                          glm::vec3(3.35, 7.12, -5.14) * 5.f);
+  });
 
-    core.RunCore();
+  core.RunCore();
 
-    return 0;
+  return 0;
 }

src/scenes/CreateLight.cpp

@@ -4,19 +4,28 @@
 
 #include <glm/glm.hpp>
 
-Engine::Entity CreateLight(Engine::Core &core)
-{
-    auto pointLight = core.CreateEntity();
-    pointLight.AddComponent<Object::Component::Transform>(glm::vec3(-2.0f, 7.0f, -1.0f));
-    pointLight.AddComponent<Object::Component::PointLight>(
-        Object::Component::PointLight{.color = glm::vec3(1.0f, 1.0f, 1.0f),
-                                      .intensity = 3.0f,
-                                      .radius = 100.0f,
-                                      .falloff = 1.0f});
+Engine::Entity CreateLight(Engine::Core &core) {
+  auto pointLight = core.CreateEntity();
+  pointLight.AddComponent<Object::Component::Transform>(
+      glm::vec3(-2.0f, 7.0f, -1.0f));
+  pointLight.AddComponent<Object::Component::PointLight>(
+      Object::Component::PointLight{.color = glm::vec3(1.0f, 1.0f, 1.0f),
+                                    .intensity = 3.0f,
+                                    .radius = 100.0f,
+                                    .falloff = 1.0f});
 
-    auto ambientLight = core.CreateEntity();
-    ambientLight.AddComponent<Object::Component::AmbientLight>(
-        Object::Component::AmbientLight{.color = glm::vec3(0.4f, 0.4f, 0.4f)});
+  auto ambientLight = core.CreateEntity();
+  ambientLight.AddComponent<Object::Component::AmbientLight>(
+      Object::Component::AmbientLight{.color = glm::vec3{0.1f}});
 
-    return pointLight;
-}
+  auto directionalLight = core.CreateEntity();
+  directionalLight
+      .AddComponent<Object::Component::Transform>(glm::vec3(-5, 3, 1.5))
+      .SetRotation(0.408217877, -0.234569684, 0.109381631, 0.875426114);
+  directionalLight.AddComponent<Object::Component::DirectionalLight>(
+      {.color = glm::vec4(0.5f, 0.35f, 0.05f, 1.0f),
+       .projection =
+           glm::orthoLH_ZO(-40.0f, 40.0f, -40.0f, 40.0f, 0.1f, 60.0f)});
+
+  return pointLight;
+}