1 /* 2 * Copyright (c) 2009-2012 jMonkeyEngine 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 package com.jme3.post.filters; 33 34 import com.jme3.asset.AssetManager; 35 import com.jme3.export.InputCapsule; 36 import com.jme3.export.JmeExporter; 37 import com.jme3.export.JmeImporter; 38 import com.jme3.export.OutputCapsule; 39 import com.jme3.material.Material; 40 import com.jme3.post.Filter; 41 import com.jme3.renderer.RenderManager; 42 import com.jme3.renderer.ViewPort; 43 import com.jme3.shader.VarType; 44 import java.io.IOException; 45 46 /** 47 * Radially blurs the scene from the center of it 48 * @author Rmy Bouquet aka Nehon 49 */ 50 public class RadialBlurFilter extends Filter { 51 52 private float sampleDist = 1.0f; 53 private float sampleStrength = 2.2f; 54 private float[] samples = {-0.08f, -0.05f, -0.03f, -0.02f, -0.01f, 0.01f, 0.02f, 0.03f, 0.05f, 0.08f}; 55 56 /** 57 * Creates a RadialBlurFilter 58 */ 59 public RadialBlurFilter() { 60 super("Radial blur"); 61 } 62 63 /** 64 * Creates a RadialBlurFilter 65 * @param sampleDist the distance between samples 66 * @param sampleStrength the strenght of each sample 67 */ 68 public RadialBlurFilter(float sampleDist, float sampleStrength) { 69 this(); 70 this.sampleDist = sampleDist; 71 this.sampleStrength = sampleStrength; 72 } 73 74 @Override 75 protected Material getMaterial() { 76 77 material.setFloat("SampleDist", sampleDist); 78 material.setFloat("SampleStrength", sampleStrength); 79 material.setParam("Samples", VarType.FloatArray, samples); 80 81 return material; 82 } 83 84 /** 85 * return the sample distance 86 * @return 87 */ 88 public float getSampleDistance() { 89 return sampleDist; 90 } 91 92 /** 93 * sets the samples distances default is 1 94 * @param sampleDist 95 */ 96 public void setSampleDistance(float sampleDist) { 97 this.sampleDist = sampleDist; 98 } 99 100 /** 101 * 102 * @return 103 * @deprecated use {@link #getSampleDistance()} 104 */ 105 @Deprecated 106 public float getSampleDist() { 107 return sampleDist; 108 } 109 110 /** 111 * 112 * @param sampleDist 113 * @deprecated use {@link #setSampleDistance(float sampleDist)} 114 */ 115 @Deprecated 116 public void setSampleDist(float sampleDist) { 117 this.sampleDist = sampleDist; 118 } 119 120 /** 121 * Returns the sample Strength 122 * @return 123 */ 124 public float getSampleStrength() { 125 return sampleStrength; 126 } 127 128 /** 129 * sets the sample streanght default is 2.2 130 * @param sampleStrength 131 */ 132 public void setSampleStrength(float sampleStrength) { 133 this.sampleStrength = sampleStrength; 134 } 135 136 @Override 137 protected void initFilter(AssetManager manager, RenderManager renderManager, ViewPort vp, int w, int h) { 138 material = new Material(manager, "Common/MatDefs/Blur/RadialBlur.j3md"); 139 } 140 141 @Override 142 public void write(JmeExporter ex) throws IOException { 143 super.write(ex); 144 OutputCapsule oc = ex.getCapsule(this); 145 oc.write(sampleDist, "sampleDist", 1.0f); 146 oc.write(sampleStrength, "sampleStrength", 2.2f); 147 } 148 149 @Override 150 public void read(JmeImporter im) throws IOException { 151 super.read(im); 152 InputCapsule ic = im.getCapsule(this); 153 sampleDist = ic.readFloat("sampleDist", 1.0f); 154 sampleStrength = ic.readFloat("sampleStrength", 2.2f); 155 } 156 } 157