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/*
* Copyright (c) 2009-2010 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.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.post.Filter;
import com.jme3.post.Filter.Pass;
import com.jme3.renderer.RenderManager;
import com.jme3.renderer.Renderer;
import com.jme3.renderer.ViewPort;
import com.jme3.texture.Image.Format;
/**
* Applies a cartoon-style edge detection filter to all objects in the scene.
*
* @author Kirill Vainer
*/
public class CartoonEdgeFilter extends Filter {
private Pass normalPass;
private float edgeWidth = 1.0f;
private float edgeIntensity = 1.0f;
private float normalThreshold = 0.5f;
private float depthThreshold = 0.1f;
private float normalSensitivity = 1.0f;
private float depthSensitivity = 10.0f;
private ColorRGBA edgeColor = new ColorRGBA(0, 0, 0, 1);
/**
* Creates a CartoonEdgeFilter
*/
public CartoonEdgeFilter() {
super("CartoonEdgeFilter");
}
@Override
protected boolean isRequiresDepthTexture() {
return true;
}
@Override
protected void postQueue(RenderManager renderManager, ViewPort viewPort) {
Renderer r = renderManager.getRenderer();
r.setFrameBuffer(normalPass.getRenderFrameBuffer());
renderManager.getRenderer().clearBuffers(true, true, true);
renderManager.setForcedTechnique("PreNormalPass");
renderManager.renderViewPortQueues(viewPort, false);
renderManager.setForcedTechnique(null);
renderManager.getRenderer().setFrameBuffer(viewPort.getOutputFrameBuffer());
}
@Override
protected Material getMaterial() {
material.setTexture("NormalsTexture", normalPass.getRenderedTexture());
return material;
}
@Override
protected void initFilter(AssetManager manager, RenderManager renderManager, ViewPort vp, int w, int h) {
normalPass = new Pass();
normalPass.init(renderManager.getRenderer(), w, h, Format.RGBA8, Format.Depth);
material = new Material(manager, "Common/MatDefs/Post/CartoonEdge.j3md");
material.setFloat("EdgeWidth", edgeWidth);
material.setFloat("EdgeIntensity", edgeIntensity);
material.setFloat("NormalThreshold", normalThreshold);
material.setFloat("DepthThreshold", depthThreshold);
material.setFloat("NormalSensitivity", normalSensitivity);
material.setFloat("DepthSensitivity", depthSensitivity);
material.setColor("EdgeColor", edgeColor);
}
/**
* Return the depth sensitivity<br>
* for more details see {@link setDepthSensitivity(float depthSensitivity)}
* @return
*/
public float getDepthSensitivity() {
return depthSensitivity;
}
/**
* sets the depth sensitivity<br>
* defines how much depth will influence edges, default is 10
* @param depthSensitivity
*/
public void setDepthSensitivity(float depthSensitivity) {
this.depthSensitivity = depthSensitivity;
if (material != null) {
material.setFloat("DepthSensitivity", depthSensitivity);
}
}
/**
* returns the depth threshold<br>
* for more details see {@link setDepthThreshold(float depthThreshold)}
* @return
*/
public float getDepthThreshold() {
return depthThreshold;
}
/**
* sets the depth threshold<br>
* Defines at what threshold of difference of depth an edge is outlined default is 0.1f
* @param depthThreshold
*/
public void setDepthThreshold(float depthThreshold) {
this.depthThreshold = depthThreshold;
if (material != null) {
material.setFloat("DepthThreshold", depthThreshold);
}
}
/**
* returns the edge intensity<br>
* for more details see {@link setEdgeIntensity(float edgeIntensity) }
* @return
*/
public float getEdgeIntensity() {
return edgeIntensity;
}
/**
* sets the edge intensity<br>
* Defineshow visilble will be the outlined edges
* @param edgeIntensity
*/
public void setEdgeIntensity(float edgeIntensity) {
this.edgeIntensity = edgeIntensity;
if (material != null) {
material.setFloat("EdgeIntensity", edgeIntensity);
}
}
/**
* returns the width of the edges
* @return
*/
public float getEdgeWidth() {
return edgeWidth;
}
/**
* sets the witdh of the edge in pixels default is 1
* @param edgeWidth
*/
public void setEdgeWidth(float edgeWidth) {
this.edgeWidth = edgeWidth;
if (material != null) {
material.setFloat("EdgeWidth", edgeWidth);
}
}
/**
* returns the normals sensitivity<br>
* form more details see {@link setNormalSensitivity(float normalSensitivity)}
* @return
*/
public float getNormalSensitivity() {
return normalSensitivity;
}
/**
* sets the normals sensitivity default is 1
* @param normalSensitivity
*/
public void setNormalSensitivity(float normalSensitivity) {
this.normalSensitivity = normalSensitivity;
if (material != null) {
material.setFloat("NormalSensitivity", normalSensitivity);
}
}
/**
* returns the normal threshold<br>
* for more details see {@link setNormalThreshold(float normalThreshold)}
*
* @return
*/
public float getNormalThreshold() {
return normalThreshold;
}
/**
* sets the normal threshold default is 0.5
* @param normalThreshold
*/
public void setNormalThreshold(float normalThreshold) {
this.normalThreshold = normalThreshold;
if (material != null) {
material.setFloat("NormalThreshold", normalThreshold);
}
}
/**
* returns the edge color
* @return
*/
public ColorRGBA getEdgeColor() {
return edgeColor;
}
/**
* Sets the edge color, default is black
* @param edgeColor
*/
public void setEdgeColor(ColorRGBA edgeColor) {
this.edgeColor = edgeColor;
if (material != null) {
material.setColor("EdgeColor", edgeColor);
}
}
}
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