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ft_maps_drawer.c
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ft_maps_drawer.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_maps_drawer.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rerayyad <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/05/09 07:28:18 by rerayyad #+# #+# */
/* Updated: 2023/05/19 11:31:43 by rerayyad ### ########.fr */
/* */
/* ************************************************************************** */
#include "fdf.h"
void ft_rotation_matrix(t_data *pnt, t_canvas *mlx)
{
double x;
double y;
double z;
x = (double)pnt->x;
y = (double)pnt->y;
z = (double)pnt->z;
pnt->y = (int)round((y * cos(mlx->img.alpha)) + (z * sin(mlx->img.alpha)));
pnt->z = (int)round((-y * sin(mlx->img.alpha)) + (z * cos(mlx->img.alpha)));
z = (double)pnt->z;
pnt->x = (int)round((x * cos(mlx->img.beta)) + (z * sin(mlx->img.beta)));
pnt->z = (int)round((-x * sin(mlx->img.beta)) + (z * cos(mlx->img.beta)));
x = (double)pnt->x;
y = (double)pnt->y;
pnt->x = (int)round((x * cos(mlx->img.gamma)) - (y * sin(mlx->img.gamma)));
pnt->y = (int)round((x * sin(mlx->img.gamma)) + (y * cos(mlx->img.gamma)));
}
void ft_param_setter(t_canvas *mlx, t_data *a, t_data *b)
{
a->x *= mlx->scale;
a->y *= mlx->scale;
b->x *= mlx->scale;
b->y *= mlx->scale;
a->z *= mlx->z_scale;
b->z *= mlx->z_scale;
ft_rotation_matrix(a, mlx);
ft_rotation_matrix(b, mlx);
if (mlx->isometric)
{
ft_switch_to_iso(&a->x, &a->y, &a->z, mlx->angle);
ft_switch_to_iso(&b->x, &b->y, &b->z, mlx->angle);
a->x += mlx->offset_x_iso;
b->x += mlx->offset_x_iso;
a->y += mlx->offset_y_iso;
b->y += mlx->offset_y_iso;
}
else
{
a->x += mlx->offset_x;
b->x += mlx->offset_x;
a->y += mlx->offset_y;
b->y += mlx->offset_y;
}
}
int gradient(int s_color, int e_color)
{
t_colors c;
c.s_r = r(s_color);
c.s_g = g(s_color);
c.s_b = b(s_color);
c.e_r = r(e_color);
c.e_g = g(e_color);
c.e_b = b(e_color);
return (rgb_encoder(c.s_r, c.s_g, c.s_b));
}
void ft_line_drawer(t_data a, t_data b, t_canvas *mlx)
{
float max;
int color;
int i;
i = 0;
ft_param_setter(mlx, &a, &b);
max = fmax(ft_absolute_value(b.x - a.x), ft_absolute_value(b.y - a.y));
color = gradient(a.color, b.color);
while (max >= 0)
{
ft_pixel_put(mlx, a.x, a.y, color);
a.x += (b.x - a.x) / (float) max;
a.y += (b.y - a.y) / (float) max;
if (a.x > mlx->win_x || a.y > mlx->win_y || a.y < 0 || a.x < 0)
break ;
max--;
i++;
}
}
void ft_drawzilla(t_data **fdf, t_canvas *mlx, int height)
{
int x;
int y;
y = 0;
x = 0;
height--;
while (y <= height)
{
x = 0;
while (1)
{
if (y < height)
ft_line_drawer(fdf[y][x], fdf[y + 1][x], mlx);
if (!fdf[y][x].end)
ft_line_drawer(fdf[y][x], fdf[y][x + 1], mlx);
if (fdf[y][x].end)
break ;
x++;
}
y++;
}
mlx_put_image_to_window(mlx->mlx_ptr, mlx->win_ptr, mlx->img.img, 0, 0);
}