mirror of
https://github.com/Ladebeze66/cub3D.git
synced 2025-12-15 13:46:57 +01:00
82 lines
2.3 KiB
C
82 lines
2.3 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_vertical_ray.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: fgras-ca <fgras-ca@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/01/12 20:03:21 by fgras-ca #+# #+# */
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/* Updated: 2024/01/29 17:22:00 by fgras-ca ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "../cub3d.h"
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void initverticalray(t_ray_calc_params *params)
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{
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float ntan;
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int tilesize;
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ntan = -tan(params->ra);
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tilesize = params->w->s_map.map_s;
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handle_ra_vertical(params, ntan, tilesize);
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}
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void update_vertical_ray_params(t_ray_calc_params *params, int mx, int my)
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{
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int mp;
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char map_pos;
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mp = my * params->w->s_map.map_x + mx;
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if (mp >= 0 && mp < params->w->s_map.map_x * params->w->s_map.map_y)
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{
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map_pos = params->w->s_map.map[mp];
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if (map_pos == '1' || map_pos == '2')
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{
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params->dof = DOF;
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*params->dis_ray = dist(params->w->s_player.px,
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params->w->s_player.py,
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*params->rx, *params->ry);
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if (params->ra > P2 && params->ra < P3)
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*params->wall_dir = WEST;
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else
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*params->wall_dir = EAST;
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if (map_pos == '2')
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params->w->current_wall_type = map_pos;
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else
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params->w->current_wall_type = '1';
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}
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}
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}
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void processverticalray(t_ray_calc_params *params)
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{
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int mx;
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int my;
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int tilesize;
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tilesize = params->w->s_map.map_s;
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*params->dis_ray = DISRAY;
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while (params->dof < DOF)
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{
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mx = (int)(*params->rx) / tilesize;
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my = (int)(*params->ry) / tilesize;
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update_vertical_ray_params(params, mx, my);
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if (params->dof < DOF)
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{
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*params->rx += params->xo;
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*params->ry += params->yo;
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params->dof++;
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}
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}
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}
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void calculateverticalray(t_ray_calc_params *params)
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{
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params->xo = 0;
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params->yo = 0;
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params->dof = 0;
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initverticalray(params);
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processverticalray(params);
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}
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