Better LightProbe radius shape

jme3-scenecomposer/src/com/jme3/gde/scenecomposer/gizmo/light/LightGizmoFactory.java

@@ -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);

jme3-scenecomposer/src/com/jme3/gde/scenecomposer/gizmo/light/shape/ProbeRadiusShape.java

@@ -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;
+
+    }
+}