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authorsalaaad2 <arthurdurant263@gmail.com>2020-02-22 20:56:50 +0100
committersalaaad2 <arthurdurant263@gmail.com>2020-02-22 20:56:50 +0100
commitd2f53e38cbf711e35035a4576070a5211a1d055d (patch)
tree318b304f44283bab6971eed8aa4c192c0c6e0424 /src/ft_raycasting.c
parentque des maths (diff)
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shpritz
Diffstat (limited to 'src/ft_raycasting.c')
-rw-r--r--src/ft_raycasting.c20
1 files changed, 18 insertions, 2 deletions
diff --git a/src/ft_raycasting.c b/src/ft_raycasting.c
index 589d2da..b42e0b7 100644
--- a/src/ft_raycasting.c
+++ b/src/ft_raycasting.c
@@ -13,6 +13,7 @@
#include <libft.h>
#include <cub3d.h>
#include <stdint.h>
+#include <stdlib.h>
#include <math.h>
void
@@ -23,7 +24,21 @@ void
cl->sp_list.inv_c_m = 1.0 / (cl->plist->plane_x * cl->plist->dir_x - cl->plist->dir_y * cl->plist->plane_y);
cl->sp_list.sprite_transform_x = cl->sp_list.inv_c_m * (cl->plist->dir_y * cl->sp_list.s_x - cl->plist->dir_x * cl->sp_list.s_y);
cl->sp_list.sprite_transform_y = cl->sp_list.inv_c_m * (cl->plist->plane_y * cl->sp_list.s_x - cl->plist->plane_x * cl->sp_list.s_y);
-
+ cl->sp_list.s_screen_x = (int)((cl->wlist->y_size / 2) * (1 + cl->sp_list.sprite_transform_x / cl->sp_list.sprite_transform_y));
+ cl->sp_list.s_h = abs((int)(cl->wlist->y_size * cl->sp_list.sprite_transform_y)); /*sprite height*/
+ cl->sp_list.s_start_y = -cl->sp_list.s_h / 2 + cl->wlist->y_size / 2;
+ if (cl->sp_list.s_start_y < 0)
+ cl->sp_list.s_start_y = 0;
+ cl->sp_list.s_end_y = cl->sp_list.s_h / 2 + cl->wlist->y_size / 2;
+ if (cl->sp_list.s_end_y > (int)cl->wlist->y_size)
+ cl->sp_list.s_end_y = cl->wlist->y_size - 1;;
+ cl->sp_list.s_w = abs((int)(cl->wlist->x_size * cl->sp_list.sprite_transform_y)); /*sprite width*/
+ cl->sp_list.s_start_x = -cl->sp_list.s_w / 2 + cl->sp_list.s_screen_x;
+ if (cl->sp_list.s_start_x < 0)
+ cl->sp_list.s_start_y = 0;
+ cl->sp_list.s_end_x = cl->sp_list.s_w / 2 + cl->wlist->x_size;
+ if (cl->sp_list.s_end_x < (int)cl->wlist->x_size)
+ cl->sp_list.s_end_x = cl->wlist->x_size - 1;
}
static void
@@ -35,7 +50,7 @@ static void
else
clist->rlist.wall_hit_x = (clist->plist->pos_y) +
clist->rlist.wall_dist * clist->rlist.x_ray_dir;
- clist->rlist.wall_hit_x -= floor(clist->rlist.wall_hit_x);
+ clist->rlist.wall_hit_x -= floor(clist->rlist.wall_hit_x);
clist->tlist[clist->w_side].tex_x = (int)(clist->rlist.wall_hit_x *
(double)clist->tlist[clist->w_side].img_w);
if (clist->rlist.side == 0 && clist->rlist.x_ray_dir > 0)
@@ -95,6 +110,7 @@ void
ft_choose_tex(cl);
ft_calc_tex(cl);
ft_calc_sprite(cl);
+ ft_draw_sprite(cl , i);
ft_draw_verline(cl, i, cl->rlist.wall_t, cl->rlist.wall_b);
i++;
}