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Diffstat (limited to 'src/camera.h')
-rw-r--r-- | src/camera.h | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/src/camera.h b/src/camera.h deleted file mode 100644 index b3b9eed..0000000 --- a/src/camera.h +++ /dev/null @@ -1,132 +0,0 @@ -#ifndef HONEY_CAMERA_H -#define HONEY_CAMERA_H - -/** @file camera.h - * - * @brief Define the basic honey_camera struct, associated functions, - * and common camera variants. - */ - -#include "common.h" - -enum honey_camera_projection { - HONEY_PERSPECTIVE, - HONEY_ORTHOGRAPHIC, -}; - -typedef struct { - vec3 position; - vec3 angle; /* pitch, yaw, roll */ - vec3 look_direction; - vec3 up; - vec3 right; - mat4 view; - mat4 projection; - enum honey_camera_projection projection_type; - float aspect_ratio; - float near, far; - float fov; - float ortho_left; - float ortho_right; - float ortho_top; - float ortho_bottom; -} honey_camera; - -/** @brief Create a new camera. - * - * The full camera creation function. Most of the time, you will probably use either - * honey_camera_new_perspective() or honey_camera_new_projection() instead. - * - * @param[out] camera Pointer to the destination honey_camera. - * @param[in] position The position of the camera. - * @param[in] angle The Euler angles (pitch, yaw, roll) of the camera. - * @param[in] projection_type The type of projection to use. - * @param[in] aspect_ratio The aspect ratio of the camera. Set to zero if using orthographic projection. - * @param[in] near The distance of the near plane. - * @param[in] far The distance of the far plane. - * @param[in] fov The field of view. Set to zero if using orthographic projection. - * @param[in] left The leftmost distance. Set to zero if using perspective projection. - * @param[in] right The rightmost distance. Set to zero if using perspective projection. - * @param[in] top The uppermost distance. Set to zero if using perspective projection. - * @param[in] bottom The lowest distance. Set to zero if using perspective projection. - */ -void honey_camera_new(honey_camera* camera, - vec3 position, - vec3 angle, - enum honey_camera_projection projection_type, - float aspect_ratio, - float near, float far, - float fov, - float left, float right, float top, float bottom); - -/** @brief Create a camera with a perspective projection matrix. - * - * @param[out] camera Pointer to the destination honey_camera. - * @param[in] position The position of the camera. - * @param[in] angle The Euler angles (pitch, yaw, roll) of the camera. - * @param[in] aspect_ratio The aspect ratio of the camera. - * @param[in] near The distance of the near plane. - * @param[in] far The distance of the far plane. - * @param[in] fov The field of view. - */ -void honey_camera_new_perspective(honey_camera* camera, - vec3 position, - vec3 angle, - float aspect_ratio, - float near, float far, - float fov); - -/** @brief Create a camera with an orthographic projection matrix. - * - * @param[out] camera Pointer to the destination honey_camera. - * @param[in] position The position of the camera. - * @param[in] angle The Euler angles (pitch, yaw, roll) of the camera. - * @param[in] near The distance of the near plane. - * @param[in] far The distance of the far plane. - * @param[in] left The leftmost distance. - * @param[in] right The rightmost distance. - * @param[in] top The uppermost distance. - * @param[in] bottom The lowest distance. - */ -void honey_camera_new_orthographic(honey_camera* camera, - vec3 position, - vec3 angle, - float near, float far, - float left, float right, float top, float bottom); - -/** @brief (Re-)Calculate a camera's look_direction. - * - * @param[in] Pointer to the camera to re-calculate. - */ -void honey_camera_calculate_look_direction(honey_camera* camera); - -/** @brief (Re-)Calculate a camera's up vector. - * - * @param[in] Pointer to the camera to re-calculate. - */ -void honey_camera_calculate_up(honey_camera* camera); - -/** @brief (Re-)Calculate a camera's right vector. - * - * @param[in] Pointer to the camera to re-calculate. - */ -void honey_camera_calculate_right(honey_camera* camera); - -/** @brief (Re-)Calculate a camera's view matrix. - * - * This function need only be called when the camera has been moved in some way. - * - * @param[in] camera Pointer to the camera to re-calculate. - */ -void honey_camera_calculate_view(honey_camera* camera); - -/** @brief (Re-)Calculate a camera's projection matrix. - * - * This function need only be called when the projection has changes in some way. - * Most commonly, this would be changing the FOV. - * - * @param[in] camera Pointer to the camera to re-calculate. - */ -void honey_camera_calculate_projection(honey_camera* camera); - -#endif |