Moved Stars45 to StarsEx

1 files changed, 60 insertions, 0 deletions

diff --git a/StarsEx/Camera.h b/StarsEx/Camera.h
new file mode 100644
index 0000000..f0988f2
--- /dev/null
+++ b/StarsEx/Camera.h
@@ -0,0 +1,60 @@
+/*  Starshatter: The Open Source Project
+    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
+    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
+    Copyright (c) 1997-2006, Destroyer Studios LLC.
+
+    AUTHOR:       John DiCamillo
+
+
+    OVERVIEW
+    ========
+    Camera class - Position and Point of View
+*/
+
+#ifndef Camera_h
+#define Camera_h
+
+// +--------------------------------------------------------------------+
+
+#include "Types.h"
+#include "Geometry.h"
+
+// +--------------------------------------------------------------------+
+
+class Camera
+{
+public:
+    static const char* TYPENAME() { return "Camera"; }
+
+    Camera(double x=0.0, double y=0.0, double z=0.0);
+    virtual ~Camera();
+
+    void     Aim(double roll, double pitch, double yaw)   { orientation.Rotate(roll, pitch, yaw);   }
+    void     Roll(double roll)                            { orientation.Roll(roll);                 }
+    void     Pitch(double pitch)                          { orientation.Pitch(pitch);               }
+    void     Yaw(double yaw)                              { orientation.Yaw(yaw);                   }
+
+    void     MoveTo(double x,  double y,  double z);
+    void     MoveTo(const Point& p);
+    void     MoveBy(double dx, double dy, double dz);
+    void     MoveBy(const Point& p);
+
+    void     Clone(const Camera& cam);
+    void     LookAt(const Point& target);
+    void     LookAt(const Point& target, const Point& eye, const Point& up);
+    bool     Padlock(const Point& target, double alimit=-1, double e_lo=-1, double e_hi=-1);
+
+    Point    Pos() const { return pos;    }
+    Point    vrt() const { return Point(orientation(0,0), orientation(0,1), orientation(0,2)); }
+    Point    vup() const { return Point(orientation(1,0), orientation(1,1), orientation(1,2)); }
+    Point    vpn() const { return Point(orientation(2,0), orientation(2,1), orientation(2,2)); }
+
+    const Matrix&  Orientation() const { return orientation; }
+
+protected:
+    Point    pos;
+    Matrix   orientation;
+};
+
+#endif  // Camera_h
+