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