H3XploR
67 lines
2.8 KiB
C
67 lines
2.8 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* update_camera.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: yantoine <yantoine@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2025/02/17 19:27:23 by yantoine #+# #+# */
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/* Updated: 2025/02/19 17:02:04 by yantoine ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "miniRT.h"
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static void update_camera_rotation(t_app *app)
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{
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if (app->key_left)
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app->scene.camera.yaw -= app->scene.camera.rot_speed;
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if (app->key_right)
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app->scene.camera.yaw += app->scene.camera.rot_speed;
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if (app->key_up)
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app->scene.camera.pitch += app->scene.camera.rot_speed;
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if (app->key_down)
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app->scene.camera.pitch -= app->scene.camera.rot_speed;
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if (app->scene.camera.pitch > 1.57f - 0.01f)
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app->scene.camera.pitch = 1.57f - 0.01f;
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if (app->scene.camera.pitch < -1.57f + 0.01f)
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app->scene.camera.pitch = -1.57f + 0.01f;
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app->scene.camera.cam_dir.x = cosf(app->scene.camera.pitch)
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* sinf(app->scene.camera.yaw);
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app->scene.camera.cam_dir.y = sinf(app->scene.camera.pitch);
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app->scene.camera.cam_dir.z = -cosf(app->scene.camera.pitch)
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* cosf(app->scene.camera.yaw);
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app->scene.camera.cam_dir = vec3_normalize(app->scene.camera.cam_dir);
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app->scene.camera.right = (t_vec3){cosf(app->scene.camera.yaw), 0,
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sinf(app->scene.camera.yaw)};
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app->scene.camera.right = vec3_normalize(app->scene.camera.right);
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app->scene.camera.up = vec3_normalize(vec3_cross(app->scene.camera.right,
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app->scene.camera.cam_dir));
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}
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static void update_camera_movement(t_app *app)
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{
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if (app->key_w)
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app->scene.camera.cam_pos = vec3_add(app->scene.camera.cam_pos,
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vec3_scale(app->scene.camera.cam_dir,
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app->scene.camera.move_speed));
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if (app->key_s)
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app->scene.camera.cam_pos = vec3_sub(app->scene.camera.cam_pos,
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vec3_scale(app->scene.camera.cam_dir,
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app->scene.camera.move_speed));
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if (app->key_a)
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app->scene.camera.cam_pos = vec3_sub(app->scene.camera.cam_pos,
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vec3_scale(app->scene.camera.right,
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app->scene.camera.move_speed));
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if (app->key_d)
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app->scene.camera.cam_pos = vec3_add(app->scene.camera.cam_pos,
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vec3_scale(app->scene.camera.right,
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app->scene.camera.move_speed));
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}
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void update_camera(t_app *app)
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{
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update_camera_rotation(app);
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update_camera_movement(app);
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}
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