1 files changed, 69 insertions, 0 deletions
diff --git a/apps/openmb/scene/Camera.hpp b/apps/openmb/scene/Camera.hpp
new file mode 100644
index 0000000..7c5edc7
--- /dev/null
+++ b/apps/openmb/scene/Camera.hpp
@@ -0,0 +1,69 @@
+#pragma once
+
+#include <glm/glm.hpp>
+#include <utility>
+#include <vector>
+
+namespace scene {
+enum class Movement {
+    Forward,
+    Backward,
+    Left,
+    Right,
+    Up,
+    Down
+};
+
+class Camera {
+  public:
+    Camera();
+    Camera( const glm::vec3& position, const glm::vec3& up, float yaw, float pitch );
+
+    glm::mat4 getViewMatrix() const;
+    glm::mat4 getProjectionMatrix( float aspect ) const;
+
+    void processKeyboard( Movement dir, float deltaTime );
+    void processMouseMovement( float xoffset, float yoffset, bool constrainPitch = true );
+    void processMouseScroll( float yoffset );
+
+    void toggleFly();
+    void setSpeedMultiplier( float m );
+    void jump();
+
+    bool  isFlying() const;
+    bool  isGrounded() const;
+    float getSpeedMultiplier() const;
+
+    void updatePhysics( float deltaTime, const std::vector<std::pair<glm::vec3, glm::vec3>>& worldAABBs,
+                        float floorY = 0.0f );
+
+    glm::vec3 position () const { return mPosition; }
+
+    float getPitch () const { return mPitch; }
+
+    float getYaw () const { return mYaw; }
+
+  private:
+    void updateCameraVectors();
+
+  private:
+    glm::vec3 mPosition;
+    glm::vec3 mFront;
+    glm::vec3 mUp;
+    glm::vec3 mRight;
+    glm::vec3 mWorldUp;
+
+    float mYaw;
+    float mPitch;
+
+    float mMovementSpeed;
+    float mMouseSensitivity;
+    float mFov;
+
+    glm::vec3 mVelocity;
+    bool      mFlying;
+    bool      mGrounded;
+    float     mSpeedMultiplier;
+};
+
+}   // namespace scene