68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* csg_diff.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: ntrahy <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2017/01/02 22:05:54 by ntrahy #+# #+# */
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/* Updated: 2017/01/07 12:16:18 by scebula ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "rt.h"
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static int positive_condition_diff(t_research *r, t_research *rp)
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{
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if ((r->c.c1 || r->c.c4 || r->c.c5 || r->c.c6) && r->c.p1)
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{
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r->modified_ray = rp->modified_ray;
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r->current_obj = rp->current_obj;
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r->dist[2] = rp->dist[0];
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return (1);
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}
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if (((r->c.c1 || r->c.c6) && r->c.p2)
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|| ((r->c.c2 || r->c.c4) && r->c.p2 && r->c.neg_behind))
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{
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r->modified_ray = rp->modified_ray;
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r->current_obj = rp->current_obj;
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r->dist[2] = rp->dist[1];
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return (1);
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}
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return (0);
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}
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static int negative_condition_diff(t_research *r, t_research *rn)
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{
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if (((r->c.c4 || r->c.c5) && r->c.neg_front && r->c.p2)
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|| (r->c.c6 && r->c.p2))
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{
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r->modified_ray = rn->modified_ray;
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r->current_obj = rn->current_obj;
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r->dist[2] = rn->dist[0];
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return (1);
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}
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if ((r->c.c2 && (r->c.p1 || r->c.in_neg))
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|| (r->c.c4 && r->c.in_neg))
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{
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r->modified_ray = rn->modified_ray;
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r->current_obj = rn->current_obj;
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r->dist[2] = rn->dist[1];
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return (1);
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}
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return (0);
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}
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int check_diff(t_research *r, t_research *rp, t_research *rn)
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{
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if (positive_condition_diff(r, rp))
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return (1);
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else if (negative_condition_diff(r, rn))
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return (1);
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else
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{
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r->dist[2] = 0;
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return (1);
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}
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}
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