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Better LightProbe radius shape

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This commit is contained in:
Nehon 2015-11-17 14:36:24 +01:00
parent 866bf8d694
commit 49c6705bcc
2 changed files with 182 additions and 1 deletions
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4
sdk/jme3-scenecomposer/src/com/jme3/gde/scenecomposer/gizmo/light/LightGizmoFactory.java
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@ -7,6 +7,7 @@ package com.jme3.gde.scenecomposer.gizmo.light;
import com.jme3.asset.AssetManager;
import com.jme3.environment.util.BoundingSphereDebug;
import com.jme3.gde.scenecomposer.gizmo.light.shape.ProbeRadiusShape;
import com.jme3.light.Light;
import com.jme3.light.LightProbe;
import com.jme3.material.Material;
@ -15,6 +16,7 @@ import com.jme3.renderer.queue.RenderQueue;
import com.jme3.scene.Geometry;
import com.jme3.scene.Node;
import com.jme3.scene.Spatial;
import com.jme3.scene.control.BillboardControl;
import com.jme3.scene.shape.Quad;
import com.jme3.scene.shape.Sphere;
import com.jme3.texture.Texture;
@ -54,7 +56,7 @@ public class LightGizmoFactory {
Geometry debugGeom = new Geometry(light.getName(), s);
Material debugMaterial = new Material(assetManager, "Common/MatDefs/Misc/reflect.j3md");
debugGeom.setMaterial(debugMaterial);
Spatial debugBounds = BoundingSphereDebug.createDebugSphere(assetManager);
Spatial debugBounds = ProbeRadiusShape.createShape(assetManager);
debugNode.attachChild(debugGeom);
debugNode.attachChild(debugBounds);

179
sdk/jme3-scenecomposer/src/com/jme3/gde/scenecomposer/gizmo/light/shape/ProbeRadiusShape.java Normal file
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@ -0,0 +1,179 @@
/*
* Copyright (c) 2009-2015 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.gde.scenecomposer.gizmo.light.shape;
import com.jme3.asset.AssetManager;
import com.jme3.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.math.FastMath;
import com.jme3.scene.Geometry;
import com.jme3.scene.Mesh;
import com.jme3.scene.VertexBuffer.Type;
import com.jme3.scene.control.BillboardControl;
import com.jme3.util.BufferUtils;
import java.nio.FloatBuffer;
import java.nio.ShortBuffer;
/**
*
* A debuging shape for a BoundingSphere
* Consists of 3 axis aligned circles.
*
* @author nehon
*/
public class ProbeRadiusShape extends Mesh {
protected int vertCount;
protected int triCount;
protected int radialSamples = 64;
protected boolean useEvenSlices;
protected boolean interior;
/**
* the distance from the center point each point falls on
*/
public float radius;
public float getRadius() {
return radius;
}
public ProbeRadiusShape() {
setGeometryData();
setIndexData();
}
/**
* builds the vertices based on the radius
*/
private void setGeometryData() {
setMode(Mode.Lines);
FloatBuffer posBuf = BufferUtils.createVector3Buffer((radialSamples + 1));
FloatBuffer colBuf = BufferUtils.createFloatBuffer((radialSamples + 1) * 4);
setBuffer(Type.Position, 3, posBuf);
setBuffer(Type.Color, 4, colBuf);
// generate geometry
float fInvRS = 1.0f / radialSamples;
// Generate points on the unit circle to be used in computing the mesh
// points on a sphere slice.
float[] afSin = new float[(radialSamples + 1)];
float[] afCos = new float[(radialSamples + 1)];
for (int iR = 0; iR < radialSamples; iR++) {
float fAngle = FastMath.TWO_PI * fInvRS * iR;
afCos[iR] = FastMath.cos(fAngle);
afSin[iR] = FastMath.sin(fAngle);
}
afSin[radialSamples] = afSin[0];
afCos[radialSamples] = afCos[0];
for (int iR = 0; iR <= radialSamples; iR++) {
posBuf.put(afCos[iR])
.put(afSin[iR])
.put(0);
colBuf.put(ColorRGBA.Orange.r)
.put(ColorRGBA.Orange.g)
.put(ColorRGBA.Orange.b)
.put(ColorRGBA.Orange.a);
}
// for (int iR = 0; iR <= radialSamples; iR++) {
// posBuf.put(afCos[iR])
// .put(0)
// .put(afSin[iR]);
// colBuf.put(ColorRGBA.Green.r)
// .put(ColorRGBA.Green.g)
// .put(ColorRGBA.Green.b)
// .put(ColorRGBA.Green.a);
// }
// for (int iR = 0; iR <= radialSamples; iR++) {
// posBuf.put(0)
// .put(afCos[iR])
// .put(afSin[iR]);
// colBuf.put(ColorRGBA.Yellow.r)
// .put(ColorRGBA.Yellow.g)
// .put(ColorRGBA.Yellow.b)
// .put(ColorRGBA.Yellow.a);
// }
updateBound();
setStatic();
}
/**
* sets the indices for rendering the sphere.
*/
private void setIndexData() {
// allocate connectivity
int nbSegments = (radialSamples);// * 3;
ShortBuffer idxBuf = BufferUtils.createShortBuffer(2 * nbSegments);
setBuffer(Type.Index, 2, idxBuf);
int idx = 0;
int segDone = 0;
while (segDone < nbSegments) {
idxBuf.put((short) idx);
idxBuf.put((short) (idx + 1));
idx++;
segDone++;
// if (segDone == radialSamples || segDone == radialSamples * 2) {
// idx++;
// }
}
}
/**
* Convenience factory method that creates a debuging bounding sphere geometry
* @param assetManager the assetManager
* @return the bounding sphere debug geometry.
*/
public static Geometry createShape(AssetManager assetManager) {
ProbeRadiusShape b = new ProbeRadiusShape();
Geometry geom = new Geometry("BoundingDebug", b);
Material mat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
mat.setBoolean("VertexColor", true);
mat.getAdditionalRenderState().setWireframe(true);
geom.addControl(new BillboardControl());
geom.setMaterial(mat);
return geom;
}
}