H3XploR
44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* parsing_plane.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: yantoine <yantoine@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2025/02/15 19:49:41 by yantoine #+# #+# */
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/* Updated: 2025/02/18 20:34:02 by yantoine ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "miniRT.h"
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t_scene parsing_plane(t_scene scene)
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{
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char **tokens;
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tokens = get_tokens_secure(scene, scene.numPlanes, MAX_PLANES, 4);
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scene.token_if_exit = tokens;
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scene.planes[scene.numPlanes].point = parse_vector(tokens[1], scene);
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scene.planes[scene.numPlanes].normal = parse_vector_normalize(tokens[2],
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scene);
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scene.planes[scene.numPlanes].color = parse_color(tokens[3], scene);
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ft_free_array(tokens);
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scene.numPlanes++;
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return (scene);
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}
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float intersect_plane(t_ray ray, t_plane p, t_vec3 *hitNormal)
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{
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float denom;
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float t;
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denom = vec3_dot(p.normal, ray.dir);
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if (fabs(denom) < 1e-6f)
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return (-1);
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t = vec3_dot(vec3_sub(p.point, ray.origin), p.normal) / denom;
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if (t < 1e-3f)
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return (-1);
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*hitNormal = p.normal;
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return (t);
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}
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