57 lines
1.1 KiB
C
57 lines
1.1 KiB
C
#ifndef CAMERA_H
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#define CAMERA_H
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#include "utils.h"
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#include <stdbool.h>
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/**
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* Camera, as a moving point with direction
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*/
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struct App;
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typedef struct Camera
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{
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vec3f position;
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vec3f rotation;
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vec3f speed;
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struct App *app;
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} Camera;
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/**
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* Initialize the camera to the start position.
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*/
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void init_camera(Camera* camera);
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/**
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* Update the position of the camera.
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*/
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void update_camera(Camera* camera, struct App *app, double time);
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/**
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* Apply the camera settings to the view transformation.
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*/
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void set_view(const Camera* camera);
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void set_view_fix(const Camera* camera);
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/**
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* Set the horizontal and vertical rotation of the view angle.
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*/
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void rotate_camera(Camera* camera, double horizontal, double vertical);
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/**
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* Set the speed of forward and backward motion.
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*/
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void camera_set_speed(Camera* camera, double speed);
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void camera_set_vertical_speed(Camera* camera, double speed);
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/**
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* Set the speed of left and right side steps.
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*/
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void camera_set_side_speed(Camera* camera, double speed);
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vec3f get_camera_dir_vec3f(Camera* camera);
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#endif /* CAMERA_H */
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