1 /** 2 * Copyright (c) 2011, Novyon Events 3 * 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * - Redistributions of source code must retain the above copyright notice, this 10 * list of conditions and the following disclaimer. 11 * 12 * - Redistributions in binary form must reproduce the above copyright notice, 13 * this list of conditions and the following disclaimer in the documentation 14 * and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 25 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 26 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * @author Anthyon 29 */ 30 package com.jme3.terrain.noise.basis; 31 32 import com.jme3.terrain.noise.Basis; 33 34 /** 35 * A simple aggregator basis. Takes two basis functions and a rate and return 36 * some mixed values 37 * 38 * @author Anthyon 39 * 40 */ 41 public class NoiseAggregator extends Noise { 42 43 private final float rate; 44 private final Basis a; 45 private final Basis b; 46 NoiseAggregator(final Basis a, final Basis b, final float rate)47 public NoiseAggregator(final Basis a, final Basis b, final float rate) { 48 this.a = a; 49 this.b = b; 50 this.rate = rate; 51 } 52 53 @Override init()54 public void init() { 55 this.a.init(); 56 this.b.init(); 57 } 58 59 @Override value(final float x, final float y, final float z)60 public float value(final float x, final float y, final float z) { 61 return this.a.value(x, y, z) * (1 - this.rate) + this.rate * this.b.value(x, y, z); 62 } 63 64 } 65