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};

lightkeeper/include/components/GameComponentList.h

@@ -5,6 +5,7 @@
 #include <components/FirstPersonController.h>
 #include <components/InteractableButton.h>
 #include <components/LightToggle.h>
+#include <components/MovingPlatform.h>
 #include <components/PrintComponent.h>
 #include <components/TriggerLoggerComponent.h>
 
@@ -13,6 +14,7 @@
     X(FirstPersonController) \
     X(InteractableButton) \
     X(LightToggle) \
+    X(MovingPlatform) \
     X(PrintComponent) \
     X(TriggerLoggerComponent)
 

lightkeeper/include/components/MovingPlatform.h

@@ -0,0 +1,38 @@
+#ifndef LIGHTKEEPER_MOVINGPLATFORM_H
+#define LIGHTKEEPER_MOVINGPLATFORM_H
+
+#include <destrum/ObjectModel/Component.h>
+
+#include <glm/vec3.hpp>
+
+class MovingPlatform final : public Component {
+public:
+    explicit MovingPlatform(GameObject& parent);
+
+    std::string GetTypeName() const override { return "MovingPlatform"; }
+
+    void Start() override;
+    void Update(float dt) override;
+
+    nlohmann::json Serialize() const override;
+    void Deserialize(const nlohmann::json& data) override;
+    void ImGuiInspector() override;
+
+    void SetTravelOffset(const glm::vec3& offset) { m_TravelOffset = offset; }
+    void SetTravelDuration(float seconds) { m_TravelDuration = seconds; }
+    void SetPauseDuration(float seconds) { m_PauseDuration = seconds; }
+
+private:
+    [[nodiscard]] float GetTravelProgress() const;
+    [[nodiscard]] glm::vec3 GetOffsetAt(float progress) const;
+
+    glm::vec3 m_TravelOffset{8.0f, 0.0f, 0.0f};
+    float m_TravelDuration{4.0f};
+    float m_PauseDuration{1.0f};
+
+    float m_ElapsedTime{0.0f};
+    glm::vec3 m_StartPosition{0.0f};
+    bool m_Started{false};
+};
+
+#endif // LIGHTKEEPER_MOVINGPLATFORM_H