77 lines
1.8 KiB
C
77 lines
1.8 KiB
C
#include "cube3d.h"
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static void draw_floor_ceiling(t_game *game, t_rcast *rcast, t_txt *txt)
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{
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t_vec plan;
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plan.start.x = rcast->ray_nb;
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plan.end.x = rcast->ray_nb;
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if (rcast->wall.vec.start.y > 0)
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{
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plan.start.y = rcast->screen_height;
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plan.end.y = rcast->wall.vec.start.y;
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draw_line(&game->img, &plan, txt->rgb_floor);
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}
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if (rcast->wall.vec.start.y < rcast->screen_height)
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{
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plan.start.y = rcast->wall.vec.end.y;
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plan.end.y = 0;
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draw_line(&game->img, &plan, txt->rgb_ceiling);
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}
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}
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static void draw_txt_line(t_img *img, t_rcast *rcast, t_wall *wall, t_img *txt_img, int color)
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{
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(void)img;
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(void)wall;
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(void)txt_img;
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(void)color;
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// draw_line(img, &wall->vec, color);
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int img_x;
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img_x = (wall->posx * txt_img->width) / rcast->cell;
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printf("img_x:%i\n", img_x);
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// t_coord dist;
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// int i;
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// int j;
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//
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// dist.x = (*vec).end.x - (*vec).start.x;
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// dist.y = (*vec).end.y - (*vec).start.y;
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// i = 0;
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// j = 0;
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// while (ft_abs(i) <= ft_abs(dist.x) && ft_abs(j) <= ft_abs(dist.y))
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// {
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// draw_pixel(img, (*vec).start.x + i, (*vec).start.y + j, color);
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// if (!ft_abs(dist.x) || ft_abs(j) < ft_abs(i * dist.y / dist.x))
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// j += ft_sign(dist.y);
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// else
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// i += ft_sign(dist.x);
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// }
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}
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void draw_column(t_game *game, t_rcast *rcast, t_wall *wall, t_txt *txt)
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{
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int color_n;
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int color_s;
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int color_e;
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int color_o;
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(void)wall;
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color_n = 0x00FF00FF;
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color_s = 0x0000EEEE;
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color_e = 0x00DDDD00;
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color_o = 0x00CCCCCC;
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draw_floor_ceiling(game, rcast, txt);
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if (!rcast->is_x && rcast->slope_y > 0)
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draw_txt_line(&game->img, rcast, wall, &txt->img_n, color_n);
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if (!rcast->is_x && rcast->slope_y < 0)
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draw_line(&game->img, &rcast->wall.vec, color_s);
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if (rcast->is_x && rcast->slope_x > 0)
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draw_line(&game->img, &rcast->wall.vec, color_e);
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if (rcast->is_x && rcast->slope_x < 0)
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draw_line(&game->img, &rcast->wall.vec, color_o);
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}
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