Cub3D/raycasting_2.c at main · badi361/Cub3D · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   raycasting_2.c                                     :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: bguzel <bguzel@student.42.fr>              +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/09/24 14:44:15 by yturgut           #+#    #+#             */
/*   Updated: 2023/09/25 21:49:02 by bguzel           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "cub3d.h"

void	calc_texture_pixel_color(t_data *data)
{
	int	color;

	color = 0;
	if (data->y < data->draw_start)
		img_pix_put(&data->img, data->x, data->y, data->skyc);
	else if (data->y >= data->draw_start && data->y <= data->draw_end)
	{
		data->tex_y = (int)data->tex_pos & (64 - 1);
		data->tex_pos += data->step;
		if (data->side == 0 && data->raydir_x > 0)
			color = get_pixel_in_tex(data->west, data->tex_x, data->tex_y);
		else if (data->side == 0 && data->raydir_x < 0)
			color = get_pixel_in_tex(data->east, data->tex_x, data->tex_y);
		else if (data->side == 1 && data->raydir_y > 0)
			color = get_pixel_in_tex(data->north, data->tex_x, data->tex_y);
		else if (data->side == 1 && data->raydir_y < 0)
			color = get_pixel_in_tex(data->south, data->tex_x, data->tex_y);
		img_pix_put(&data->img, data->x, data->y, color);
	}
	else
		img_pix_put(&data->img, data->x, data->y, data->floorc);
}