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00015 #ifndef PERSPECTIVELENS_H
00016 #define PERSPECTIVELENS_H
00017
00018 #include "pandabase.h"
00019
00020 #include "lens.h"
00021
00022
00023
00024
00025
00026
00027 class EXPCL_PANDA_GOBJ PerspectiveLens : public Lens {
00028 PUBLISHED:
00029 INLINE PerspectiveLens();
00030 INLINE PerspectiveLens(PN_stdfloat hfov, PN_stdfloat vfov);
00031
00032 public:
00033 INLINE PerspectiveLens(const PerspectiveLens ©);
00034 INLINE void operator = (const PerspectiveLens ©);
00035
00036 public:
00037 virtual PT(Lens) make_copy() const;
00038 virtual bool is_linear() const;
00039 virtual bool is_perspective() const;
00040
00041 protected:
00042 virtual void do_compute_projection_mat(Lens::CData *lens_cdata);
00043
00044 virtual PN_stdfloat fov_to_film(PN_stdfloat fov, PN_stdfloat focal_length, bool horiz) const;
00045 virtual PN_stdfloat fov_to_focal_length(PN_stdfloat fov, PN_stdfloat film_size, bool horiz) const;
00046 virtual PN_stdfloat film_to_fov(PN_stdfloat film_size, PN_stdfloat focal_length, bool horiz) const;
00047
00048 public:
00049 static void register_with_read_factory();
00050
00051 protected:
00052 static TypedWritable *make_from_bam(const FactoryParams ¶ms);
00053
00054 public:
00055 virtual TypeHandle get_type() const {
00056 return get_class_type();
00057 }
00058 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00059 static TypeHandle get_class_type() {
00060 return _type_handle;
00061 }
00062 static void init_type() {
00063 Lens::init_type();
00064 register_type(_type_handle, "PerspectiveLens",
00065 Lens::get_class_type());
00066 }
00067
00068 private:
00069 static TypeHandle _type_handle;
00070 };
00071
00072 #include "perspectiveLens.I"
00073
00074 #endif