mirror of
https://github.com/Ladebeze66/cub3D.git
synced 2025-12-15 13:46:57 +01:00
90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_draw.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: 2024/01/11 22:38:28 by fgras-ca #+# #+# */
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/* Updated: 2024/01/29 15:47:48 by fgras-ca ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "../cub3d.h"
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void draw_square(t_structure_main *w, int x, int y, int color)
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{
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int xo;
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int yo;
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int size;
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int i;
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int j;
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xo = x * w->s_map.map_s;
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yo = y * w->s_map.map_s;
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size = w->s_map.map_s;
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i = 0;
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while (i < size)
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{
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j = 0;
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while (j < size)
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{
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put_pixel_img(w, xo + j, yo + i, color);
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j++;
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}
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i++;
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}
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}
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static void init_line_deltas(t_line_deltas *deltas)
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{
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(deltas->dx) = abs(deltas->params->x1 - deltas->params->x0);
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(deltas->dy) = abs(deltas->params->y1 - deltas->params->y0);
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(deltas->err) = (deltas->dx) - (deltas->dy);
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if (deltas->params->x0 < deltas->params->x1)
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(deltas->sx) = 1;
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else
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(deltas->sx) = -1;
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if (deltas->params->y0 < deltas->params->y1)
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(deltas->sy) = 1;
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else
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(deltas->sy) = -1;
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}
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static void trace_line(t_line_deltas *deltas)
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{
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int e2;
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while (deltas->params->x0 != deltas->params->x1
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|| deltas->params->y0 != deltas->params->y1)
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{
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put_pixel_img(deltas->params->w, deltas->params->x0,
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deltas->params->y0, deltas->params->color);
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e2 = 2 * (deltas->err);
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if (e2 > -((deltas->dy)))
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{
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(deltas->err) -= (deltas->dy);
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deltas->params->x0 += (deltas->sx);
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}
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if (e2 < (deltas->dx))
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{
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(deltas->err) += (deltas->dx);
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deltas->params->y0 += (deltas->sy);
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}
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}
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}
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void draw_line(t_line_params *params)
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{
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t_line_deltas deltas;
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deltas.params = params;
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init_line_deltas(&deltas);
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trace_line(&deltas);
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}
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float dist(float ax, float ay, float bx, float by)
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{
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return (sqrt((bx - ax) * (bx - ax) + (by - ay) * (by - ay)));
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}
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