| /* |
| * Copyright (c) 2009-2012 jMonkeyEngine |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * * Neither the name of 'jMonkeyEngine' nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| package com.jme3.post.filters; |
| |
| import com.jme3.asset.AssetManager; |
| import com.jme3.export.InputCapsule; |
| import com.jme3.export.JmeExporter; |
| import com.jme3.export.JmeImporter; |
| import com.jme3.export.OutputCapsule; |
| import com.jme3.material.Material; |
| import com.jme3.math.ColorRGBA; |
| import com.jme3.post.Filter; |
| import com.jme3.renderer.RenderManager; |
| import com.jme3.renderer.ViewPort; |
| import java.io.IOException; |
| |
| /** |
| * A filter to render a fog effect |
| * @author Rémy Bouquet aka Nehon |
| */ |
| public class FogFilter extends Filter { |
| |
| private ColorRGBA fogColor = ColorRGBA.White.clone(); |
| private float fogDensity = 0.7f; |
| private float fogDistance = 1000; |
| |
| /** |
| * Creates a FogFilter |
| */ |
| public FogFilter() { |
| super("FogFilter"); |
| } |
| |
| /** |
| * Create a fog filter |
| * @param fogColor the color of the fog (default is white) |
| * @param fogDensity the density of the fog (default is 0.7) |
| * @param fogDistance the distance of the fog (default is 1000) |
| */ |
| public FogFilter(ColorRGBA fogColor, float fogDensity, float fogDistance) { |
| this(); |
| this.fogColor = fogColor; |
| this.fogDensity = fogDensity; |
| this.fogDistance = fogDistance; |
| } |
| |
| @Override |
| protected boolean isRequiresDepthTexture() { |
| return true; |
| } |
| |
| @Override |
| protected void initFilter(AssetManager manager, RenderManager renderManager, ViewPort vp, int w, int h) { |
| material = new Material(manager, "Common/MatDefs/Post/Fog.j3md"); |
| material.setColor("FogColor", fogColor); |
| material.setFloat("FogDensity", fogDensity); |
| material.setFloat("FogDistance", fogDistance); |
| } |
| |
| @Override |
| protected Material getMaterial() { |
| |
| return material; |
| } |
| |
| |
| /** |
| * returns the fog color |
| * @return |
| */ |
| public ColorRGBA getFogColor() { |
| return fogColor; |
| } |
| |
| /** |
| * Sets the color of the fog |
| * @param fogColor |
| */ |
| public void setFogColor(ColorRGBA fogColor) { |
| if (material != null) { |
| material.setColor("FogColor", fogColor); |
| } |
| this.fogColor = fogColor; |
| } |
| |
| /** |
| * returns the fog density |
| * @return |
| */ |
| public float getFogDensity() { |
| return fogDensity; |
| } |
| |
| /** |
| * Sets the density of the fog, a high value gives a thick fog |
| * @param fogDensity |
| */ |
| public void setFogDensity(float fogDensity) { |
| if (material != null) { |
| material.setFloat("FogDensity", fogDensity); |
| } |
| this.fogDensity = fogDensity; |
| } |
| |
| /** |
| * returns the fog distance |
| * @return |
| */ |
| public float getFogDistance() { |
| return fogDistance; |
| } |
| |
| /** |
| * the distance of the fog. the higer the value the distant the fog looks |
| * @param fogDistance |
| */ |
| public void setFogDistance(float fogDistance) { |
| if (material != null) { |
| material.setFloat("FogDistance", fogDistance); |
| } |
| this.fogDistance = fogDistance; |
| } |
| |
| @Override |
| public void write(JmeExporter ex) throws IOException { |
| super.write(ex); |
| OutputCapsule oc = ex.getCapsule(this); |
| oc.write(fogColor, "fogColor", ColorRGBA.White.clone()); |
| oc.write(fogDensity, "fogDensity", 0.7f); |
| oc.write(fogDistance, "fogDistance", 1000); |
| } |
| |
| @Override |
| public void read(JmeImporter im) throws IOException { |
| super.read(im); |
| InputCapsule ic = im.getCapsule(this); |
| fogColor = (ColorRGBA) ic.readSavable("fogColor", ColorRGBA.White.clone()); |
| fogDensity = ic.readFloat("fogDensity", 0.7f); |
| fogDistance = ic.readFloat("fogDistance", 1000); |
| } |
| |
| |
| } |