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/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package com.jme3.water;
import com.jme3.math.Plane;
import com.jme3.post.SceneProcessor;
import com.jme3.renderer.Camera;
import com.jme3.renderer.RenderManager;
import com.jme3.renderer.ViewPort;
import com.jme3.renderer.queue.RenderQueue;
import com.jme3.texture.FrameBuffer;
/**
* Reflection Processor
* Used to render the reflected scene in an off view port
*/
public class ReflectionProcessor implements SceneProcessor {
private RenderManager rm;
private ViewPort vp;
private Camera reflectionCam;
private FrameBuffer reflectionBuffer;
private Plane reflectionClipPlane;
/**
* Creates a ReflectionProcessor
* @param reflectionCam the cam to use for reflection
* @param reflectionBuffer the FrameBuffer to render to
* @param reflectionClipPlane the clipping plane
*/
public ReflectionProcessor(Camera reflectionCam, FrameBuffer reflectionBuffer, Plane reflectionClipPlane) {
this.reflectionCam = reflectionCam;
this.reflectionBuffer = reflectionBuffer;
this.reflectionClipPlane = reflectionClipPlane;
}
public void initialize(RenderManager rm, ViewPort vp) {
this.rm = rm;
this.vp = vp;
}
public void reshape(ViewPort vp, int w, int h) {
}
public boolean isInitialized() {
return rm != null;
}
public void preFrame(float tpf) {
}
public void postQueue(RenderQueue rq) {
//we need special treatement for the sky because it must not be clipped
rm.getRenderer().setFrameBuffer(reflectionBuffer);
reflectionCam.setProjectionMatrix(null);
rm.setCamera(reflectionCam, false);
rm.getRenderer().clearBuffers(true, true, true);
//Rendering the sky whithout clipping
rm.getRenderer().setDepthRange(1, 1);
vp.getQueue().renderQueue(RenderQueue.Bucket.Sky, rm, reflectionCam, true);
rm.getRenderer().setDepthRange(0, 1);
//setting the clip plane to the cam
reflectionCam.setClipPlane(reflectionClipPlane, Plane.Side.Positive);//,1
rm.setCamera(reflectionCam, false);
}
public void postFrame(FrameBuffer out) {
}
public void cleanup() {
}
/**
* Internal use only<br>
* returns the frame buffer
* @return
*/
public FrameBuffer getReflectionBuffer() {
return reflectionBuffer;
}
/**
* Internal use only<br>
* sets the frame buffer
* @param reflectionBuffer
*/
public void setReflectionBuffer(FrameBuffer reflectionBuffer) {
this.reflectionBuffer = reflectionBuffer;
}
/**
* returns the reflection cam
* @return
*/
public Camera getReflectionCam() {
return reflectionCam;
}
/**
* sets the reflection cam
* @param reflectionCam
*/
public void setReflectionCam(Camera reflectionCam) {
this.reflectionCam = reflectionCam;
}
/**
* returns the reflection clip plane
* @return
*/
public Plane getReflectionClipPlane() {
return reflectionClipPlane;
}
/**
* Sets the reflection clip plane
* @param reflectionClipPlane
*/
public void setReflectionClipPlane(Plane reflectionClipPlane) {
this.reflectionClipPlane = reflectionClipPlane;
}
}
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