cub3d/src/sprites/move_sprites.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   move_sprites.c                                     :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: kcolin <kcolin@42.fr>                      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/08/18 13:22:50 by kcolin            #+#    #+#             */
/*   Updated: 2025/08/18 19:51:41 by tchampio         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "move_sprites.h"
#include "sprite.h"
#include "../../libft/includes/libft.h"
#include <math.h>

void	move_sprites(t_cub3d_data *data)
{
	int				i;
	double			dx;
	double			dy;
	double			dist;
	static double	zombie_movement = MOVEMENT_SPEED / 1.5;

	i = 0;
	while (i < data->sprite_counter)
	{
		if (data->sprite_list[i]->sprite_type == ZOMBIE)
		{
			dx = data->player.x - data->sprite_list[i]->x;
			dy = data->player.y - data->sprite_list[i]->y;
			dist = sqrt(dx * dx + dy * dy);
			if (dist > 0.0001)
			{
				dx /= dist;
				dy /= dist;
				data->sprite_list[i]->x += dx * zombie_movement * data->delta;
				data->sprite_list[i]->y += dy * zombie_movement * data->delta;
			}
		}
		i++;
	}
}