Initial commit

1 files changed, 55 insertions, 0 deletions

diff --git a/src/graphics/camera.h b/src/graphics/camera.h
new file mode 100644
index 0000000..de362e0
--- /dev/null
+++ b/src/graphics/camera.h
@@ -0,0 +1,55 @@
+#pragma once
+
+#include "Eigen/Dense"
+
+class Camera
+{
+public:
+    EIGEN_MAKE_ALIGNED_OPERATOR_NEW
+    Camera();
+
+    void setPosition(const Eigen::Vector3f      &position);
+    void move       (const Eigen::Vector3f &deltaPosition);
+
+    Eigen::Vector3f getPosition();
+
+    void setRotation(float      pitch, float      yaw);
+    void rotate     (float deltaPitch, float deltaYaw);
+
+    void lookAt(const Eigen::Vector3f &eye, const Eigen::Vector3f &target);
+
+    void setOrbitPoint(const Eigen::Vector3f &target);
+    bool getIsOrbiting();
+    void setIsOrbiting(bool orbit);
+    void toggleIsOrbiting();
+    void zoom(float zoomMultiplier);
+
+    const Eigen::Matrix4f &getView();
+    const Eigen::Matrix4f &getProjection();
+    const Eigen::Vector3f &getLook();
+
+    void setPerspective(float fovY, float aspect, float near, float far);
+    void setAspect(float aspect);
+
+private:
+    void updateLook();
+    void updatePitchAndYaw();
+
+    Eigen::Vector3f m_position;
+    float m_pitch;
+    float m_yaw;
+    Eigen::Vector3f m_look;
+    Eigen::Vector3f m_orbitPoint;
+    bool m_isOrbiting;
+
+    Eigen::Matrix4f m_view;
+    Eigen::Matrix4f m_proj;
+    bool m_viewDirty;
+    bool m_projDirty;
+
+    float m_fovY;
+    float m_aspect;
+    float m_near;
+    float m_far;
+    float m_zoom;
+};