1 #ifndef MSP_GAME_CAMERA_H_
2 #define MSP_GAME_CAMERA_H_
4 #include <msp/geometry/angle.h>
5 #include <msp/linal/vector.h>
7 #include "mspgame_api.h"
11 enum class CameraScaling
21 Geometry::Angle<float> field_of_view_y = Geometry::Angle<float>::from_degrees(60);
22 LinAl::Vector<float, 2> size = { 16.0f/9.0f, 1.0f };
23 float near_clip = 0.1f;
24 float far_clip = 100.0f;
25 CameraScaling scaling = CameraScaling::SCALE_TO_FIT;
26 std::string sequence_name;
31 Geometry::Angle<float> fov_y;
32 LinAl::Vector<float, 2> size;
37 bool is_orthographic() const { return fov_y==Geometry::Angle<float>::zero(); }
38 Geometry::Angle<float> get_fov_horizontal() const { return Geometry::atan(tan(fov_y/2.0f)*get_aspect())*2.0f; }
39 float get_aspect() const { return size.x/size.y; }
42 class MSPGAME_API Camera: public BufferedComponent<CameraData>
45 using Setup = CameraSetup;
51 Camera(Handle<Entity>, const Setup &);
53 void set_field_of_view(Geometry::Angle<float>, float);
54 void set_size(const LinAl::Vector<float, 2> &);
55 bool is_orthographic() const { return read().is_orthographic(); }
56 Geometry::Angle<float> get_fov_vertical() const { return read().fov_y; }
57 Geometry::Angle<float> get_fov_horizontal() const { return read().get_fov_horizontal(); }
58 const LinAl::Vector<float, 2> &get_size() const { return read().size; }
59 float get_aspect() const { return read().get_aspect(); }
60 float get_near_clip() const { return read().near_clip; }
61 float get_far_clip() const { return read().far_clip; }
62 CameraScaling get_scaling() const { return setup.scaling; }
63 const std::string &get_sequence_name() const { return setup.sequence_name; }
66 } // namespace Msp::Game