1  /* ************************************************************************** */
 2  /*                                                                            */
 3  /*                                                        :::      ::::::::   */
 4  /*   cylinder.c                                         :+:      :+:    :+:   */
 5  /*                                                    +:+ +:+         +:+     */
 6  /*   By: salee2 <salee2@student.42seoul.kr>         +#+  +:+       +#+        */
 7  /*                                                +#+#+#+#+#+   +#+           */
 8  /*   Created: 2023/05/24 20:21:44 by salee2            #+#    #+#             */
 9  /*   Updated: 2023/05/24 20:21:46 by salee2           ###   ########.fr       */
10  /*                                                                            */
11  /* ************************************************************************** */
12  
13  #include "include/minirt.h"
14  
15  t_cylinder	*cylinder_(t_point3 center, t_vec3 normal, double radius, \
16  double height)
17  {
18  	t_cylinder	*this;
19  
20  	this = (t_cylinder *)malloc((sizeof(t_cylinder)));
21  	if (this == NULL)
22  		return (NULL);
23  	this->normal = norm(normal);
24  	this->height = height;
25  	this->base_center = center;
26  	this->top_center = add(this->base_center, scl_mul(this->height, \
27  	this->normal));
28  	this->radius = radius;
29  	this->radius_sq = radius * radius;
30  	return (this);
31  }
32  
33  t_bool	intersect_ray_cylinder(t_object *object, t_ray *ray, t_hit *hit)
34  {
35  	t_bool	is_inter;
36  
37  	is_inter = FALSE;
38  	is_inter += intersect_cylinder_base(object, ray, hit, TOP);
39  	is_inter += intersect_cylinder_base(object, ray, hit, BASE);
40  	is_inter += intersect_cylinder_surface(object, ray, hit);
41  	return (is_inter);
42  }