gt: 		 initialVertexIndex : initialCoordIndex);
context: /*
   * Copyright 1997-2008 Sun Microsystems, Inc.  All Rights Reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Sun designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Sun in the LICENSE file that accompanied this code.
   *
   * This code is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
   * CA 95054 USA or visit www.sun.com if you need additional information or
   * have any questions.
   *
   */
  
  package javax.media.j3d;
  
  import javax.vecmath.Point3d;
  import javax.vecmath.Vector3d;
  
  /**
   * The IndexedPointArray object draws the array of vertices as individual points.
   */
  
  class IndexedPointArrayRetained extends IndexedGeometryArrayRetained {
  
      IndexedPointArrayRetained() {
          this.geoType = GEO_TYPE_INDEXED_POINT_SET;
      }
  
      @Override
      boolean intersect(PickShape pickShape, PickInfo pickInfo, int flags, Point3d iPnt,
                        GeometryRetained geom, int geomIndex) {
  	double sdist[] = new double[1];
  	double minDist = Double.MAX_VALUE;
  	double x = 0, y = 0, z = 0;
  	Point3d pnt = new Point3d();
          int[] vtxIndexArr = new int[1];
  
          int i = ((vertexFormat & GeometryArray.BY_REFERENCE) == 0 ?
  		 initialVertexIndex : initialCoordIndex);
  
  	switch (pickShape.getPickType()) {
  	case PickShape.PICKRAY:
  	    PickRay pickRay= (PickRay) pickShape;
  
  	    while (i < validVertexCount) {
                  vtxIndexArr[0] = indexCoord[i];
  		getVertexData(indexCoord[i++], pnt);
  		if (intersectPntAndRay(pnt, pickRay.origin,
  				       pickRay.direction, sdist)) {
  		    if (flags == 0) {
  			return true;
  		    }
  		    if (sdist[0] < minDist) {
  			minDist = sdist[0];
  			x = pnt.x;
  			y = pnt.y;
  			z = pnt.z;
                  	if((flags & PickInfo.CLOSEST_GEOM_INFO) != 0) {
                              storeInterestData(pickInfo, flags, geom, geomIndex,
                                                vtxIndexArr, iPnt, sdist[0]);
                          }
  		    }
                      if((flags & PickInfo.ALL_GEOM_INFO) != 0) {
                          storeInterestData(pickInfo, flags, geom, geomIndex,
                                            vtxIndexArr, iPnt, sdist[0]);
                      }
  		}
  	    }
  	    break;
  	case PickShape.PICKSEGMENT:
  	    PickSegment pickSegment = (PickSegment) pickShape;
  	    Vector3d dir =
  		new Vector3d(pickSegment.end.x - pickSegment.start.x,
  			     pickSegment.end.y - pickSegment.start.y,
  			     pickSegment.end.z - pickSegment.start.z);
  
  	    while (i < validVertexCount) {
                  vtxIndexArr[0] = indexCoord[i];
  		getVertexData(indexCoord[i++], pnt);
  		if (intersectPntAndRay(pnt, pickSegment.start,
  					dir, sdist) &&
  		    (sdist[0] <= 1.0)) {
  		    if (flags == 0) {
  			return true;
  		    }
  		    if (sdist[0] < minDist) {
  			minDist = sdist[0];
  			x = pnt.x;
  			y = pnt.y;
  			z = pnt.z;
                  	if((flags & PickInfo.CLOSEST_GEOM_INFO) != 0) {
                              storeInterestData(pickInfo, flags, geom, geomIndex,
                                                vtxIndexArr, iPnt, sdist[0]);
                          }
  		    }
                      if((flags & PickInfo.ALL_GEOM_INFO) != 0) {
                          storeInterestData(pickInfo, flags, geom, geomIndex,
                                            vtxIndexArr, iPnt, sdist[0]);
                      }
  		}
  	    }
  	    break;
  	case PickShape.PICKBOUNDINGBOX:
  	case PickShape.PICKBOUNDINGSPHERE:
  	case PickShape.PICKBOUNDINGPOLYTOPE:
  	    Bounds bounds = ((PickBounds) pickShape).bounds;
  
  	    while (i < validVertexCount) {
                  vtxIndexArr[0] = indexCoord[i];
  		getVertexData(indexCoord[i++], pnt);
  		if (bounds.intersect(pnt)) {
  		    if (flags == 0) {
  			return true;
  		    }
  		    sdist[0] = pickShape.distance(pnt);
  		    if (sdist[0] < minDist) {
  			minDist = sdist[0];
  			x = pnt.x;
  			y = pnt.y;
  			z = pnt.z;
                  	if((flags & PickInfo.CLOSEST_GEOM_INFO) != 0) {
                              storeInterestData(pickInfo, flags, geom, geomIndex,
                                                vtxIndexArr, iPnt, sdist[0]);
                          }
  		    }
                      if((flags & PickInfo.ALL_GEOM_INFO) != 0) {
                          storeInterestData(pickInfo, flags, geom, geomIndex,
                                            vtxIndexArr, iPnt, sdist[0]);
                      }
  		}
  	    }
  	    break;
  	case PickShape.PICKCYLINDER:
  	    PickCylinder pickCylinder= (PickCylinder) pickShape;
  
  	    while (i < validVertexCount) {
                  vtxIndexArr[0] = indexCoord[i];
  		getVertexData(indexCoord[i++], pnt);
  		if (intersectCylinder(pnt, pickCylinder, sdist)) {
  		    if (flags == 0) {
  			return true;
  		    }
  		    if (sdist[0] < minDist) {
  			minDist = sdist[0];
  			x = pnt.x;
  			y = pnt.y;
  			z = pnt.z;
                  	if((flags & PickInfo.CLOSEST_GEOM_INFO) != 0) {
                              storeInterestData(pickInfo, flags, geom, geomIndex,
                                                vtxIndexArr, iPnt, sdist[0]);
                          }
  		    }
                      if((flags & PickInfo.ALL_GEOM_INFO) != 0) {
                          storeInterestData(pickInfo, flags, geom, geomIndex,
                                            vtxIndexArr, iPnt, sdist[0]);
                      }
  		}
  	    }
  	    break;
  	case PickShape.PICKCONE:
  	    PickCone pickCone= (PickCone) pickShape;
  
  	    while (i < validVertexCount) {
                  vtxIndexArr[0] = indexCoord[i];
  		getVertexData(indexCoord[i++], pnt);
  		if (intersectCone(pnt, pickCone, sdist)) {
  		    if (flags == 0) {
  			return true;
  		    }
  		    if (sdist[0] < minDist) {
  			minDist = sdist[0];
  			x = pnt.x;
  			y = pnt.y;
  			z = pnt.z;
                  	if((flags & PickInfo.CLOSEST_GEOM_INFO) != 0) {
                              storeInterestData(pickInfo, flags, geom, geomIndex,
                                                vtxIndexArr, iPnt, sdist[0]);
                          }
  		    }
                      if((flags & PickInfo.ALL_GEOM_INFO) != 0) {
                          storeInterestData(pickInfo, flags, geom, geomIndex,
                                            vtxIndexArr, iPnt, sdist[0]);
                      }
  		}
  	    }
  	    break;
  	case PickShape.PICKPOINT:
  	    // Should not happen since API already check for this
  	    throw new IllegalArgumentException(J3dI18N.getString("IndexedPointArrayRetained0"));
  	default:
  	    throw new RuntimeException ("PickShape not supported for intersection");
  	}
  
  	if (minDist < Double.MAX_VALUE) {
  	    iPnt.x = x;
  	    iPnt.y = y;
  	    iPnt.z = z;
  	    return true;
  	}
  	return false;
      }
  
      @Override
      boolean intersect(Point3d[] pnts) {
  	Point3d point = new Point3d();
  	int i = ((vertexFormat & GeometryArray.BY_REFERENCE) == 0 ?
  		 initialVertexIndex : initialCoordIndex);
  
  	switch (pnts.length) {
  	case 3: // Triangle
  	    while (i < validVertexCount) {
  		getVertexData(indexCoord[i++], point);
  		if (intersectTriPnt(pnts[0], pnts[1], pnts[2], point)) {
  		    return true;
  		}
  	    }
  	    break;
  	case 4: // Quad
  	    while (i < validVertexCount) {
  		getVertexData(indexCoord[i++], point);
  		if (intersectTriPnt(pnts[0], pnts[1], pnts[2], point) ||
  		    intersectTriPnt(pnts[0], pnts[2], pnts[3], point)) {
  		    return true;
  		}
  	    }
  	    break;
  	case 2: // Line
  	    double dist[] = new double[1];
  	    Vector3d dir = new Vector3d();
  
  	    while (i < validVertexCount) {
  		getVertexData(indexCoord[i++], point);
  		dir.x = pnts[1].x - pnts[0].x;
  		dir.y = pnts[1].y - pnts[0].y;
  		dir.z = pnts[1].z - pnts[0].z;
  		if (intersectPntAndRay(point, pnts[0], dir, dist) &&
  		    (dist[0] <= 1.0)) {
  		    return true;
  		}
  	    }
  	    break;
  	case 1: // Point
  	    while (i < validVertexCount) {
  		getVertexData(indexCoord[i++], point);
  		if ((pnts[0].x == point.x) &&
  		    (pnts[0].y == point.y) &&
  		    (pnts[0].z == point.z)) {
  		    return true;
  		}
  	    }
  	    break;
  	}
  	return false;
      }
  
      @Override
      boolean intersect(Transform3D thisToOtherVworld,
  		      GeometryRetained geom) {
  	Point3d[] pnt = new Point3d[1];
  	int i = ((vertexFormat & GeometryArray.BY_REFERENCE) == 0 ?
  