render player and angle

inc/cub3d.h

@@ -6,7 +6,7 @@
 /*   By: qmennen <qmennen@student.codam.nl>         +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/04/15 12:22:29 by qmennen           #+#    #+#             */
-/*   Updated: 2025/04/15 18:55:25 by qmennen          ###   ########.fr       */
+/*   Updated: 2025/04/17 17:59:23 by qmennen          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -21,6 +21,7 @@
 # include "game.h"
 # include "screen.h"
 # include "keyhandle.h"
+# include "line.h"
 # include "render.h"
 # include "player.h"
 

inc/line.h

@@ -0,0 +1,20 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   line.h                                             :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: qmennen <qmennen@student.codam.nl>         +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/04/17 17:49:09 by qmennen           #+#    #+#             */
+/*   Updated: 2025/04/17 17:59:09 by qmennen          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef LINE_H
+# define LINE_H
+# include "cub3d.h"
+
+void	line_low(t_screen *screen, t_vec2 start, t_vec2 end, unsigned int color);
+void	line_high(t_screen *screen, t_vec2 start, t_vec2 end, unsigned int color);
+
+#endif

inc/render.h

@@ -6,7 +6,7 @@
 /*   By: qmennen <qmennen@student.codam.nl>         +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/04/15 16:28:16 by qmennen           #+#    #+#             */
-/*   Updated: 2025/04/15 18:55:54 by qmennen          ###   ########.fr       */
+/*   Updated: 2025/04/17 17:59:35 by qmennen          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -15,6 +15,8 @@
 
 # include "cub3d.h"
 
+void	render_line(t_screen *screen, t_vec2 start, t_vec2 end, unsigned int color);
+void	render_circle(t_screen *screen, t_vec2 point, int radius, unsigned int color);
 void	render_clear(t_screen *screen);
 void	render_entities(t_game *game);
 

src/line.c

@@ -0,0 +1,69 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   line.c                                             :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: qmennen <qmennen@student.codam.nl>         +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/04/17 17:49:01 by qmennen           #+#    #+#             */
+/*   Updated: 2025/04/17 18:04:30 by qmennen          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "line.h"
+#include "MLX42.h"
+
+void	line_low(t_screen *screen, t_vec2 start, t_vec2 end, unsigned int color)
+{
+	int			delta;
+	int			yi;
+	t_vec2		current;
+	t_vec2		delta_point;
+
+	delta_point.x = end.x - start.x;
+	delta_point.y = abs((int) end.y - (int) start.y);
+	yi = 1;
+	if (end.y - start.y < 0)
+		yi = -1;
+	delta = 2 * delta_point.y - delta_point.x;
+	current = start;
+	while (current.x <= end.x)
+	{
+		mlx_put_pixel(screen->img, (int)current.x, (int)current.y, color);
+		if (delta > 0)
+		{
+			current.y += yi;
+			delta -= 2 * delta_point.x;
+		}
+		delta += 2 * delta_point.y;
+		current.x++;
+	}
+}
+
+void	line_high(t_screen *screen, t_vec2 start, t_vec2 end, unsigned int color)
+{
+	int			delta;
+	int			xi;
+	t_vec2	current;
+	t_vec2	delta_point;
+
+	delta_point.x = abs((int) end.x - (int) start.x);
+	delta_point.y = end.y - start.y;
+	xi = 1;
+	if (end.x - start.x < 0)
+		xi = -1;
+	delta = 2 * delta_point.x - delta_point.y;
+	current = start;
+	while (current.y <= end.y)
+	{
+		mlx_put_pixel(screen->img, (int)current.x, (int)current.y, color);
+		if (delta > 0)
+		{
+			current.x += xi;
+			delta -= 2 * delta_point.y;
+		}
+		delta += 2 * delta_point.x;
+		current.y++;
+	}
+}
+

src/player.c

@@ -6,11 +6,12 @@
 /*   By: qmennen <qmennen@student.codam.nl>         +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/04/15 18:53:19 by qmennen           #+#    #+#             */
-/*   Updated: 2025/04/15 19:11:48 by qmennen          ###   ########.fr       */
+/*   Updated: 2025/04/17 18:10:17 by qmennen          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "player.h"
+#include "render.h"
 #include "types.h"
 
 int	player_create(t_game **game)
@@ -49,7 +50,11 @@ void	player_move(keys_t key, t_player *player)
 
 void	player_render(t_screen *screen, t_player *player)
 {
+	t_vec2	direction;
 	if (player->pos.x < 0 || player->pos.x >= screen->width || player->pos.y < 0 || player->pos.y >= screen->height)
 		return ;
-	mlx_put_pixel(screen->img, (int) player->pos.x, (int) player->pos.y, 0xFFFFFFFF);
+	render_circle(screen, player->pos, 10, 0x3294a8ff);
+	direction.x = player->pos.x + cos(player->angle) * 30;
+	direction.y = player->pos.y + sin(player->angle) * 30;
+	render_line(screen, player->pos, direction, 0xa83232ff);
 }

src/render.c

@@ -6,12 +6,11 @@
 /*   By: qmennen <qmennen@student.codam.nl>         +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/04/15 16:28:10 by qmennen           #+#    #+#             */
-/*   Updated: 2025/04/15 19:20:00 by qmennen          ###   ########.fr       */
+/*   Updated: 2025/04/17 17:59:14 by qmennen          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "render.h"
-#include "MLX42.h"
 
 void	render_clear(t_screen *screen)
 {
@@ -22,6 +21,48 @@ void	render_clear(t_screen *screen)
 		mlx_put_pixel(screen->img, i % screen->width, i / screen->width, 0x212121FF);
 }
 
+void	render_circle(t_screen *screen, t_vec2 point, int radius, unsigned int color)
+{
+	int	i;
+	int	size;
+	int	x;
+	int	y;
+
+	i = 0;
+	size = 2 * radius + 1;
+	while (i <= size * size)
+	{
+		x = i % size - radius;
+		y = i / size - radius;
+		if (x * x + y * y <= radius * radius)
+			mlx_put_pixel(screen->img, (int) point.x + x, (int) point.y + y, color);
+		i++;
+	}
+}
+
+void	render_line(t_screen *screen, t_vec2 start, t_vec2 end, unsigned int color)
+{
+	if ((start.x < 0 || start.x >= (int) screen->img->width
+			|| start.y < 0 || start.y >= (int) screen->img->height)
+		&& (end.x < 0 || end.x >= (int) screen->img->width
+			|| end.y < 0 || end.y >= (int) screen->img->height))
+		return ;
+	if (abs((int) end.y - (int) start.y) < abs((int) end.x - (int) start.x))
+	{
+		if (start.x > end.x)
+			line_low(screen, end, start, color);
+		else
+			line_low(screen, start, end, color);
+	}
+	else
+	{
+		if (start.y > end.y)
+			line_high(screen, end, start, color);
+		else
+			line_high(screen, start, end, color);
+	}
+}
+
 void	render_entities(t_game *game)
 {
 	player_render(game->screen, game->player);