diff options
Diffstat (limited to 'src/core/camera.h')
| -rw-r--r-- | src/core/camera.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/core/camera.h b/src/core/camera.h index 25f7e2a..7ea5472 100644 --- a/src/core/camera.h +++ b/src/core/camera.h @@ -2,9 +2,21 @@ #include <glm/glm.hpp> #include <glm/gtc/matrix_transform.hpp> +#include <GLFW/glfw3.h> + +#define _USE_MATH_DEFINES +#ifndef M_PI +#define M_PI 3.14159265358979323846 +#endif namespace Donut { + enum class CameraMode + { + FPS, + Orbital + }; + class Camera { public: @@ -42,10 +54,51 @@ namespace Donut void set_movement_speed(float speed) { m_movement_speed = speed; } float get_movement_speed() const { return m_movement_speed; } + void set_orbital_mode(bool enabled); + bool is_orbital_mode() const { return m_camera_mode == CameraMode::Orbital; } + + void set_target(const glm::vec3& target) { m_target = target; } + const glm::vec3& get_target() const { return m_target; } + + void set_radius(double radius) { m_radius = radius; } + double get_radius() const { return m_radius; } + + void set_min_radius(double min_radius) { m_min_radius = min_radius; } + double get_min_radius() const { return m_min_radius; } + + void set_max_radius(double max_radius) { m_max_radius = max_radius; } + double get_max_radius() const { return m_max_radius; } + + void set_azimuth(float azimuth) { m_azimuth = azimuth; } + float get_azimuth() const { return m_azimuth; } + + void set_elevation(float elevation) { m_elevation = elevation; } + float get_elevation() const { return m_elevation; } + + void set_orbit_speed(float orbit_speed) { m_orbit_speed = orbit_speed; } + float get_orbit_speed() const { return m_orbit_speed; } + + void set_zoom_speed(double zoom_speed) { m_zoom_speed = zoom_speed; } + double get_zoom_speed() const { return m_zoom_speed; } + + glm::vec3 get_orbital_position() const; + + void process_orbital_mouse_move(double x, double y); + void process_orbital_mouse_button(int button, int action, int mods); + void process_orbital_scroll(double x_offset, double y_offset); + + bool is_dragging() const { return m_dragging; } + bool is_panning() const { return m_panning; } + bool is_moving() const { return m_moving; } + private: void recalculate_view_matrix(); void recalculate_projection_matrix(); + void update_orbital_state(); + private: + CameraMode m_camera_mode = CameraMode::FPS; + glm::mat4 m_projection_matrix; glm::mat4 m_view_matrix; glm::mat4 m_view_projection_matrix; @@ -63,5 +116,19 @@ namespace Donut bool m_first_mouse = true; float m_last_x = 0.0f; float m_last_y = 0.0f; + + glm::vec3 m_target = glm::vec3(0.0f, 0.0f, 0.0f); + double m_radius = 6.34194e10; + double m_min_radius = 1e10; + double m_max_radius = 1e12; + float m_azimuth = 0.0f; + float m_elevation = static_cast<float>(M_PI) / 2.0f; + float m_orbit_speed = 0.01f; + double m_zoom_speed = 25e9f; + bool m_dragging = false; + bool m_panning = false; + bool m_moving = false; + double m_orbital_last_x = 0.0; + double m_orbital_last_y = 0.0; }; } |