perlin.h

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   perlin.h                                           :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: nihuynh <nihuynh@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/06/22 22:24:45 by nihuynh           #+#    #+#             */
/*   Updated: 2019/06/22 22:25:06 by nihuynh          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#ifndef PERLIN_H
# define PERLIN_H
 
static const int    g_perm[] = {
    151, 160, 137, 91, 90, 15, 131, 13, 201, 95, 96, 53, 194, 233, 7, 225, 140,
    36, 103, 30, 69, 142, 8, 99, 37, 240, 21, 10, 23, 190, 6, 148, 247, 120,
    234, 75, 0, 26, 197, 62, 94, 252, 219, 203, 117, 35, 11, 32, 57, 177, 33,
    88, 237, 149, 56, 87, 174, 20, 125, 136, 171, 168, 68, 175, 74, 165, 71,
    134, 139, 48, 27, 166, 77, 146, 158, 231, 83, 111, 229, 122, 60, 211, 133,
    230, 220, 105, 92, 41, 55, 46, 245, 40, 244, 102, 143, 54, 65, 25, 63, 161,
    1, 216, 80, 73, 209, 76, 132, 187, 208, 89, 18, 169, 200, 196, 135, 130,
    116, 188, 159, 86, 164, 100, 109, 198, 173, 186, 3, 64, 52, 217, 226, 250,
    124, 123, 5, 202, 38, 147, 118, 126, 255, 82, 85, 212, 207, 206, 59, 227,
    47, 16, 58, 17, 182, 189, 28, 42, 223, 183, 170, 213, 119, 248, 152, 2, 44,
    154, 163, 70, 221, 153, 101, 155, 167, 43, 172, 9, 129, 22, 39, 253, 19,
    98, 108, 110, 79, 113, 224, 232, 178, 185, 112, 104, 218, 246, 97, 228,
    251, 34, 242, 193, 238, 210, 144, 12, 191, 179, 162, 241, 81, 51, 145, 235,
    249, 14, 239, 107, 49, 192, 214, 31, 181, 199, 106, 157, 184, 84, 204, 176,
    115, 121, 50, 45, 127, 4, 150, 254, 138, 236, 205, 93, 222, 114, 67, 29,
    24, 72, 243, 141, 128, 195, 78, 66, 215, 61, 156, 180};
 
typedef struct  s_perlin
{
    int         l_perm[8];
    float       xf;
    float       yf;
    float       zf;
    float       u;
    float       v;
    float       w;
    float       x1;
    float       x2;
    float       y1;
    float       y2;
}               t_perlin;
 
#endif