Here you can find the source of hashToFloat(int x, int y, long seed)
| Parameter | Description |
|---|---|
| x | The x coordinate to hash |
| y | The y coordinate to hash |
| seed | The seed for the hash |
static float hashToFloat(int x, int y, long seed)
//package com.java2s; /*/*from w w w .j a v a 2s .co m*/ * This file is part of SpongeAPI, licensed under the MIT License (MIT). * * Copyright (c) SpongePowered <https://www.spongepowered.org> * Copyright (c) contributors * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ public class Main { /** * Hashes a 2D location and seed to return a normalized float. * TODO: make me public? * * @param x The x coordinate to hash * @param y The y coordinate to hash * @param seed The seed for the hash * @return A float in the range [0, 1[ constant for a constant seed * and constant position */ static float hashToFloat(int x, int y, long seed) { final long hash = x * 73428767 ^ y * 9122569 ^ seed * 457; return (hash * (hash + 456149) & 0x00ffffff) / (float) 0x01000000; } /** * Hashes a 3D location and seed to return a normalized float. * TODO: make me public? * * @param x The x coordinate to hash * @param y The y coordinate to hash * @param z The z coordinate to hash * @param seed The seed * @return A float in the range [0, 1[ constant for a constant seed * and constant position */ static float hashToFloat(int x, int y, int z, long seed) { final long hash = x * 73428767 ^ y * 9122569 ^ z * 4382893 ^ seed * 457; return (hash * (hash + 456149) & 0x00ffffff) / (float) 0x01000000; } }