「🏗️」 wip(Raycasting): Should be working but not

src/raycasting/renderer.c

@@ -0,0 +1,97 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   renderer.c                                         :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: adjoly <adjoly@student.42angouleme.fr>     +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/10/28 15:48:39 by adjoly            #+#    #+#             */
+/*   Updated: 2024/10/29 14:22:37 by adjoly           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "game/utils_math.h"
+#include "mlx.h"
+#include <game/dda.h>
+#include <game/settings.h>
+#include <game/game.h>
+
+void	draw_floor(t_render *render)
+{
+	size_t	x;
+	size_t	y;
+
+	y = WINDOW_H / 2;
+	while(y < WINDOW_H - 1)
+	{
+		x = 0;
+		while (x < WINDOW_W)
+		{
+			mlx_set_image_pixel(render->mlx, render->img, x, y, render->world->floor);
+			x++;
+		}
+		y++;
+	}
+}
+
+void	draw_celling(t_render *render)
+{
+	size_t	x;
+	size_t	y;
+
+	y = 0;
+	while(y < WINDOW_H / 2)
+	{
+		x = 0;
+		while (x < WINDOW_W)
+		{
+			mlx_set_image_pixel(render->mlx, render->img, x, y, render->world->celling);
+			x++;
+		}
+		y++;
+	}
+}
+
+void	print_line(t_render *render, t_ray *ray, int x)
+{
+	int	line;
+	int	line_start;
+	int	y;
+	int	j;
+
+	line = (CHUNK_SIZE * WINDOW_H) / ray->distance;
+	line_start = -line / 2 + WINDOW_H / 2;
+	y = 0;
+	while (y < line)
+	{
+		j = -1;
+		while (++j <= RAY_SIZE)
+			mlx_set_image_pixel(render->mlx, render->img, x + j, line_start + y, WHITE);
+		y++;
+	}
+}
+
+void	render_frame(t_render *render)
+{
+	size_t	i;
+	t_dda	dda;
+	t_ray	ray;
+	float	ang;
+
+	i = WINDOW_W;
+	ray.angle = render->player->direction - (M_PI / 180) / (FOV / 2);
+	fix_ang(&ray.angle);
+	draw_celling(render);
+	draw_floor(render);
+	while(i > 0)
+	{
+		dda_algo(render, &dda, &ray);
+		ang = render->player->direction - ray.angle;
+		fix_ang(&ang);
+		ray.distance *= cos(ang);
+		print_line(render, &ray, i);
+		ray.angle += (M_PI / 180) / (WINDOW_W / FOV);
+		fix_ang(&ray.angle);
+		i -= RAY_SIZE;
+	}
+}