83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
#include "fdf.h"
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/*
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** int[0] = x, int[1] = y, int[2] = z
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** quick explanation :
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** zoom :
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** x = i * (fdf->offset + fdf->zoom);
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** center before 3d rotation :
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** x -= (fdf->map_size_x + fdf->zoom * fdf->map_width) / 2;
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** z changes according to zoom :
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** z += (z * fdf->zoom) / fdf->offset;
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** deplacement :
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** point[0] += fdf->mov_x;
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** center zoom :
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** point[0] -= ((fdf->map_size_x / 2) / fdf->offset) * fdf->zoom;
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** center after 3d rotation :
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** point[0] += (fdf->map_size_x + fdf->zoom * fdf->map_width) / 2;
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*/
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int *new_coordinates(t_fdf *fdf, int i, int j)
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{
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int x;
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int y;
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int z;
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int *point;
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point = ft_calloc(3, sizeof(int));
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x = i * (fdf->offset + fdf->zoom);
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y = j * (fdf->offset + fdf->zoom);
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x -= (fdf->map_size_x + fdf->zoom * fdf->map_width) / 2;
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y -= (fdf->map_size_y + fdf->zoom * fdf->map_height) / 2;
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if (fdf->altitude > 0)
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z = fdf->map[j][i] * fdf->altitude;
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else if (fdf->altitude == 0)
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z = 0;
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else
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z = fdf->map[j][i];
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z += (z * fdf->zoom) / fdf->offset;
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z /= Z_HIGHT;
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point[0] = x * cos(fdf->rad_x) + y * sin(fdf->rad_x);
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point[1] = y * cos(fdf->rad_x) - x * sin(fdf->rad_x);
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point[1] = point[1] * cos(fdf->rad_y) - -z * sin(fdf->rad_y);
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point[0] += fdf->mov_x;
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point[1] += fdf->mov_y;
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point[0] -= ((fdf->map_size_x / 2) / fdf->offset) * fdf->zoom;
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point[1] -= ((fdf->map_size_y / 2) / fdf->offset) * fdf->zoom;
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point[0] += (fdf->map_size_x + fdf->zoom * fdf->map_width) / 2;
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point[1] += (fdf->map_size_y + fdf->zoom * fdf->map_height) / 2;
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point[2] = z;
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return (point);
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}
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void position_state(t_fdf *fdf)
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{
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char *position;
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int x;
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int y;
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position = ft_strjoinfree(ft_strdup("zoom: "), ft_itoa(fdf->zoom));
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position = ft_strjoinfree(position, ft_strdup(" "));
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position = ft_strjoinfree(position, ft_strdup("deplacement: "));
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position = ft_strjoinfree(position, ft_itoa(fdf->mov_x));
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position = ft_strjoinfree(position, ft_strdup(" "));
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position = ft_strjoinfree(position, ft_itoa(fdf->mov_y));
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position = ft_strjoinfree(position, ft_strdup(" "));
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position = ft_strjoinfree(position, ft_strdup("rotation: "));
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position = ft_strjoinfree(position, ft_itoa(fdf->rot_x));
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position = ft_strjoinfree(position, ft_strdup(" "));
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position = ft_strjoinfree(position, ft_itoa(fdf->rot_y));
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x = fdf->img_size_x - 10 - ft_strlen(position) * 6;
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y = fdf->img_size_y - 10;
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mlx_string_put(fdf->mlx_ptr, fdf->win_ptr, x, y, 0xffffff, position);
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free(position);
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}
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/*
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** int print_keycode(int keycode)
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** {
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** ft_putnbr(keycode);
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** ft_putchar(' ');
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** return (0);
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** }
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*/
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