feat: add firstpersoncontroller

lightkeeper/src/Lightkeeper.cpp

@@ -20,6 +20,7 @@
 #include "destrum/ObjectModel/GameObject.h"
 #include "destrum/Util/ModelDoc.h"
 #include "destrum/Components/Animator.h"
+#include <components/FirstPersonController.h>
 #include <components/TriggerLoggerComponent.h>
 
 
@@ -446,6 +447,13 @@ void LightKeeper::customInit()
     triggerObj->AddComponent<TriggerLoggerComponent>();
     triggerObj->GetTransform().SetWorldPosition({0.0f, 0.0f, 0.0f});
 
+    auto playerObj = scene.CreateGameObject("Player");
+    playerObj->GetTransform().SetWorldPosition(glm::vec3(0.0f, 2.0f, -5.0f));
+    auto* fps = playerObj->AddComponent<FirstPersonController>();
+    m_Player = playerObj;
+    m_FPSController = fps;
+    scene.GetPhysics().RegisterGameObject(*playerObj);
+
     const auto texPath = AssetFS::GetInstance().GetFullPath("engine://textures/kobe.png");
     texID = resources.loadImageFromFile(gfxDevice, texPath);
 
@@ -455,7 +463,19 @@ void LightKeeper::customUpdate(float dt)
 {
     // LightKeeper owns a camera that hides App::camera; update this instance
     // after SDL events have been consumed.
-    camera.Update(dt);
+    if (m_FPSController != nullptr && m_FPSController->IsMouseCaptured())
+    {
+        auto& playerTransform = m_Player->GetTransform();
+        const glm::vec3 playerPos = playerTransform.GetWorldPosition();
+        camera.SetRotation(m_FPSController->GetYaw(), m_FPSController->GetPitch());
+        camera.m_position = playerPos + glm::vec3(0.0f, m_FPSController->GetEyeHeight(), 0.0f);
+        camera.CalculateViewMatrix();
+        camera.CalculateProjectionMatrix();
+    }
+    else
+    {
+        camera.Update(dt);
+    }
     SceneManager::GetInstance().Update(dt);
     SceneManager::GetInstance().LateUpdate(dt);