81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* draw.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jle-neze <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2025/09/12 18:18:26 by jle-neze #+# #+# */
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/* Updated: 2025/10/29 15:30:00 by jle-neze ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "cub.h"
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void draw_background(t_game *g)
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{
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int x;
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int y;
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int half;
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y = 0;
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half = g->gfx.h / 2;
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while (y < g->gfx.h)
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{
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x = 0;
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while (x < g->gfx.w)
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{
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if (y < half)
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img_put_pixel(&g->gfx.frame, x, y, g->colors.ceil);
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else
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img_put_pixel(&g->gfx.frame, x, y, g->colors.floor);
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x++;
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}
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y++;
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}
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}
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void draw_vline(t_game *g, int x, t_vline v)
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{
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int y;
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if (v.y0 < 0)
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v.y0 = 0;
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if (v.y1 >= g->gfx.h)
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v.y1 = g->gfx.h - 1;
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y = v.y0;
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while (y <= v.y1)
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{
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img_put_pixel(&g->gfx.frame, x, y, v.color);
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y++;
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}
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}
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void draw_tex_vline(t_game *g, int x, t_texline l)
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{
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int y;
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int tex_y;
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unsigned int color;
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if (l.y0 < 0)
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{
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l.tex_pos += l.step * (-l.y0);
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l.y0 = 0;
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}
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if (l.y1 >= g->gfx.h)
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l.y1 = g->gfx.h - 1;
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y = l.y0;
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while (y <= l.y1)
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{
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tex_y = (int)l.tex_pos;
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if (tex_y < 0)
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tex_y = 0;
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if (tex_y >= l.tex->h)
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tex_y = l.tex->h - 1;
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color = tex_get_pixel(l.tex, l.tex_x, tex_y);
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img_put_pixel(&g->gfx.frame, x, y, (int)color);
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l.tex_pos += l.step;
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y++;
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}
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}
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