-#ifndef MSP_GL_CAMERA_H_
-#define MSP_GL_CAMERA_H_
-
-#include <msp/datafile/objectloader.h>
-#include "placeable.h"
-
-namespace Msp {
-namespace GL {
-
-class Camera: public Placeable
-{
-public:
- class Loader: public DataFile::ObjectLoader<Camera>
- {
- public:
- Loader(Camera &);
-
- private:
- void aspect_ratio(float);
- void depth_clip(float, float);
- void field_of_view(float);
- void look_at(float, float, float);
- void look_direction(float, float, float);
- void orthographic(float, float);
- void position(float, float, float);
- void up_direction(float, float, float);
- };
-
-private:
- Geometry::Angle<float> fov;
- float height;
- float aspect;
- // Some compilers have "near" and "far" keywords
- float clip_near;
- float clip_far;
- float frustum_x;
- float frustum_y;
- Geometry::Angle<float> rotate;
- Vector3 position;
- Vector3 look_dir;
- Vector3 up_dir;
- Matrix view_matrix;
- Matrix proj_matrix;
-
-public:
- Camera();
-
- void set_field_of_view(const Geometry::Angle<float> &);
- void set_orthographic(float, float);
- void set_aspect_ratio(float);
- void set_depth_clip(float, float);
- void set_frustum_axis(float, float);
- void set_frustum_rotation(const Geometry::Angle<float> &);
- const Geometry::Angle<float> &get_field_of_view() const { return fov; }
- bool is_orthographic() const { return fov==Geometry::Angle<float>::zero(); }
- float get_orthographic_width() const { return height*aspect; }
- float get_orthographic_height() const { return height; }
- float get_aspect_ratio() const { return aspect; }
- float get_near_clip() const { return clip_near; }
- float get_far_clip() const { return clip_far; }
- const Geometry::Angle<float> &get_frustum_rotation() const { return rotate; }
-
- void set_position(const Vector3 &);
- void set_look_direction(const Vector3 &);
- void look_at(const Vector3 &);
- void set_up_direction(const Vector3 &);
- const Vector3 &get_position() const { return position; }
- const Vector3 &get_look_direction() const { return look_dir; }
- const Vector3 &get_up_direction() const { return up_dir; }
-
- virtual void set_matrix(const Matrix &m) { set_object_matrix(m); }
-
- /** Sets the position and orientation of the camera from an object matrix. */
- void set_object_matrix(const Matrix &);
-
- /** Returns the view matrix, used to transform coordinates from world space
- to eye space. */
- const Matrix &get_view_matrix() const { return view_matrix; }
-
- /** Returns the object matrix, used to transform coordinates from eye space
- to world space. */
- const Matrix &get_object_matrix() const { return matrix; }
-
- /** Returns the projection matrix. */
- const Matrix &get_projection_matrix() const { return proj_matrix; }
-
- Vector3 project(const Vector4 &) const;
- Vector3 project(const Vector3 &) const;
- Vector4 unproject(const Vector4 &) const;
- Vector3 unproject(const Vector3 &) const;
-
-private:
- void update_projection_matrix();
- void update_object_matrix();
-};
-
-} // namespace GL
-} // namespcae Msp
-
-#endif