mirror of
https://github.com/Ladebeze66/cub3D.git
synced 2025-12-15 13:46:57 +01:00
81 lines
2.6 KiB
C
81 lines
2.6 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_3d_view.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 17:35:53 by fgras-ca #+# #+# */
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/* Updated: 2024/01/29 17:05:58 by fgras-ca ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "../cub3d.h"
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static void calculate_line_height(t_ray_params *rayparams)
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{
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rayparams->line_h = (rayparams->tile_size * rayparams->max3d_height)
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/ rayparams->dis_t;
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if (rayparams->line_h > rayparams->max3d_height)
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{
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rayparams->line_h = rayparams->max3d_height;
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}
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rayparams->line_off = ((rayparams->max3d_height - rayparams->line_h) / 2);
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}
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static void calculate_deca(t_ray_params *rayparams, float *olineh, int *deca)
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{
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*olineh = (rayparams->w->s_map.map_s * rayparams->w->s_win.height)
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/ rayparams->dis_t;
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if (*olineh > rayparams->w->s_win.height)
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{
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*deca = *olineh - rayparams->w->s_win.height;
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}
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else
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{
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*deca = 0;
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}
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}
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static void set_rayparams(t_ray_params *rayparams)
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{
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rayparams->start3d_height = 0;
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rayparams->max3d_height = rayparams->w->s_win.height
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+ rayparams->start3d_height;
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}
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static void set_texture_params(t_ray_params *rayparams,
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t_texture_params *textureparams)
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{
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textureparams->start_x = rayparams->r * rayparams->raywidth
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+ rayparams->background_off_setx;
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textureparams->end_x = textureparams->start_x + rayparams->raywidth;
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}
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void drawray(t_ray_params *rayparams)
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{
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t_line_params lineparams;
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t_texture_params textureparams;
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float olineh;
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int deca;
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set_rayparams(rayparams);
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calculate_line_height(rayparams);
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rayparams->raywidth = rayparams->w->s_win.width / rayparams->num_rays;
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rayparams->background_off_setx = BOV;
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calculate_deca(rayparams, &olineh, &deca);
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set_texture_params(rayparams, &textureparams);
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init_texture_params(&textureparams, rayparams);
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init_line_params(&lineparams, rayparams);
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draw_line(&lineparams);
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draw_black_ground(rayparams, textureparams);
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if (deca != 0)
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{
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draw_yolo(rayparams, &textureparams, deca);
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}
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else
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{
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draw_texture(&textureparams);
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}
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}
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