feat: add moving platform support + fix jolt

lightkeeper/include/components/FirstPersonController.h

@@ -1,6 +1,8 @@
 #ifndef LIGHTKEEPER_FIRSTPERSONCONTROLLER_H
 #define LIGHTKEEPER_FIRSTPERSONCONTROLLER_H
 
+#include <optional>
+
 #include <glm/glm.hpp>
 #include <destrum/Input/InputManager.h>
 #include <destrum/ObjectModel/Component.h>
@@ -45,7 +47,12 @@ public:
     void SetPossessed(bool possessed);
 
 private:
-    [[nodiscard]] bool CheckGrounded() const;
+    struct GroundContact {
+        glm::vec3 normal;
+        glm::vec3 velocity;
+    };
+
+    [[nodiscard]] std::optional<GroundContact> FindGround() const;
     [[nodiscard]] glm::vec3 GetWishDirection() const;
     [[nodiscard]] Interactable* FindFocusedInteractable() const;
 
@@ -67,11 +74,14 @@ private:
     float m_CoyoteTime{0.1f};
     float m_JumpBufferTime{0.12f};
     float m_InteractDistance{3.0f};
+    float m_MaxSlopeAngle{glm::radians(50.0f)};
+    float m_GroundStickSpeed{2.0f};
 
     Interactable* m_FocusedInteractable{nullptr};
 
     bool m_Possessed{false};
     bool m_Grounded{false};
+    glm::vec3 m_GroundNormal{0.0f, 1.0f, 0.0f};
     bool m_JumpHeld{false};
     float m_CoyoteTimer{0.0f};
     float m_JumpBufferTimer{0.0f};