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diff --git a/src/javax/media/j3d/IndexedTriangleArrayRetained.java b/src/javax/media/j3d/IndexedTriangleArrayRetained.java
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--- a/src/javax/media/j3d/IndexedTriangleArrayRetained.java
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-/*
- * 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;
-
-/**
- * The IndexedTriangleArray object draws the array of vertices as individual
- * triangles. Each group
- * of three vertices defines a triangle to be drawn.
- */
-
-class IndexedTriangleArrayRetained extends IndexedGeometryArrayRetained {
-
- IndexedTriangleArrayRetained() {
- this.geoType = GEO_TYPE_INDEXED_TRI_SET;
- }
-
- @Override
- boolean intersect(PickShape pickShape, PickInfo pickInfo, int flags, Point3d iPnt,
- GeometryRetained geom, int geomIndex) {
- Point3d pnts[] = new Point3d[3];
- double sdist[] = new double[1];
- double minDist = Double.MAX_VALUE;
- double x = 0, y = 0, z = 0;
- int[] vtxIndexArr = new int[3];
-
- //NVaidya
- // Bug 447: While loops below now traverse over all
- // elements in the valid index range from initialIndexIndex
- // to initialIndexInex + validIndexCount - 1
- int i = initialIndexIndex;
- int loopStopIndex = initialIndexIndex + validIndexCount;
- pnts[0] = new Point3d();
- pnts[1] = new Point3d();
- pnts[2] = new Point3d();
-
- switch (pickShape.getPickType()) {
- case PickShape.PICKRAY:
- PickRay pickRay= (PickRay) pickShape;
-
- while (i < loopStopIndex) {
- for(int j=0; j<3; j++) {
- vtxIndexArr[j] = indexCoord[i];
- getVertexData(indexCoord[i++], pnts[j]);
- }
- if (intersectRay(pnts, pickRay, sdist, iPnt)) {
- if (flags == 0) {
- return true;
- }
- if (sdist[0] < minDist) {
- minDist = sdist[0];
- x = iPnt.x;
- y = iPnt.y;
- z = iPnt.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;
- while (i < loopStopIndex) {
- for(int j=0; j<3; j++) {
- vtxIndexArr[j] = indexCoord[i];
- getVertexData(indexCoord[i++], pnts[j]);
- }
- if (intersectSegment(pnts, pickSegment.start,
- pickSegment.end, sdist, iPnt)) {
- if (flags == 0) {
- return true;
- }
- if (sdist[0] < minDist) {
- minDist = sdist[0];
- x = iPnt.x;
- y = iPnt.y;
- z = iPnt.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:
- BoundingBox bbox = (BoundingBox)
- ((PickBounds) pickShape).bounds;
-
- while (i < loopStopIndex) {
- for(int j=0; j<3; j++) {
- vtxIndexArr[j] = indexCoord[i];
- getVertexData(indexCoord[i++], pnts[j]);
- }
- if (intersectBoundingBox(pnts, bbox, sdist, iPnt)) {
- if (flags == 0) {
- return true;
- }
- if (sdist[0] < minDist) {
- minDist = sdist[0];
- x = iPnt.x;
- y = iPnt.y;
- z = iPnt.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.PICKBOUNDINGSPHERE:
- BoundingSphere bsphere = (BoundingSphere)
- ((PickBounds) pickShape).bounds;
-
- while (i < loopStopIndex) {
- for(int j=0; j<3; j++) {
- vtxIndexArr[j] = indexCoord[i];
- getVertexData(indexCoord[i++], pnts[j]);
- }
- if (intersectBoundingSphere(pnts, bsphere, sdist, iPnt)) {
- if (flags == 0) {
- return true;
- }
- if (sdist[0] < minDist) {
- minDist = sdist[0];
- x = iPnt.x;
- y = iPnt.y;
- z = iPnt.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.PICKBOUNDINGPOLYTOPE:
- BoundingPolytope bpolytope = (BoundingPolytope)
- ((PickBounds) pickShape).bounds;
-
- while (i < loopStopIndex) {
- for(int j=0; j<3; j++) {
- vtxIndexArr[j] = indexCoord[i];
- getVertexData(indexCoord[i++], pnts[j]);
- }
- if (intersectBoundingPolytope(pnts, bpolytope,
- sdist,iPnt)) {
- if (flags == 0) {
- return true;
- }
- if (sdist[0] < minDist) {
- minDist = sdist[0];
- x = iPnt.x;
- y = iPnt.y;
- z = iPnt.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 < loopStopIndex) {
- for(int j=0; j<3; j++) {
- vtxIndexArr[j] = indexCoord[i];
- getVertexData(indexCoord[i++], pnts[j]);
- }
- if (intersectCylinder(pnts, pickCylinder, sdist,
- iPnt)) {
- if (flags == 0) {
- return true;
- }
- if (sdist[0] < minDist) {
- minDist = sdist[0];
- x = iPnt.x;
- y = iPnt.y;
- z = iPnt.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 < loopStopIndex) {
- for(int j=0; j<3; j++) {
- vtxIndexArr[j] = indexCoord[i];
- getVertexData(indexCoord[i++], pnts[j]);
- }
- if (intersectCone(pnts, pickCone, sdist, iPnt)) {
- if (flags == 0) {
- return true;
- }
- if (sdist[0] < minDist) {
- minDist = sdist[0];
- x = iPnt.x;
- y = iPnt.y;
- z = iPnt.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("IndexedTriangleArrayRetained0"));
- 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;
- }
-
- // intersect pnts[] with every triangle in this object
- @Override
- boolean intersect(Point3d[] pnts) {
- Point3d[] points = new Point3d[3];
- double dist[] = new double[1];
- //NVaidya
- // Bug 447: correction for loop indices
- int i = initialIndexIndex;
- int loopStopIndex = initialIndexIndex + validIndexCount;
-
- points[0] = new Point3d();
- points[1] = new Point3d();
- points[2] = new Point3d();
-
- switch (pnts.length) {
- case 3: // Triangle
- while (i<loopStopIndex) {
- getVertexData(indexCoord[i++], points[0]);
- getVertexData(indexCoord[i++], points[1]);
- getVertexData(indexCoord[i++], points[2]);
- if (intersectTriTri(points[0], points[1], points[2],
- pnts[0], pnts[1], pnts[2])) {
- return true;
- }
- }
- break;
- case 4: // Quad
- while (i<loopStopIndex) {
- getVertexData(indexCoord[i++], points[0]);
- getVertexData(indexCoord[i++], points[1]);
- getVertexData(indexCoord[i++], points[2]);
- if (intersectTriTri(points[0], points[1], points[2],
- pnts[0], pnts[1], pnts[2]) ||
- intersectTriTri(points[0], points[1], points[2],
- pnts[0], pnts[2], pnts[3])) {
- return true;
- }
- }
- break;
- case 2: // Line
- while (i<loopStopIndex) {
- getVertexData(indexCoord[i++], points[0]);
- getVertexData(indexCoord[i++], points[1]);
- getVertexData(indexCoord[i++], points[2]);
- if (intersectSegment(points, pnts[0], pnts[1], dist,
- null)) {
- return true;
- }
- }
- break;
- case 1: // Point
- while (i<loopStopIndex) {
- getVertexData(indexCoord[i++], points[0]);
- getVertexData(indexCoord[i++], points[1]);
- getVertexData(indexCoord[i++], points[2]);
- if (intersectTriPnt(points[0], points[1], points[2],
- pnts[0])) {
- return true;
- }
- }
- break;
- }
- return false;
- }
-
-
- @Override
- boolean intersect(Transform3D thisToOtherVworld, GeometryRetained geom) {
- Point3d[] pnts = new Point3d[3];
- //NVaidya
- // Bug 447: correction for loop indices
- int i = initialIndexIndex;
- int loopStopIndex = initialIndexIndex + validIndexCount;
- pnts[0] = new Point3d();
- pnts[1] = new Point3d();
- pnts[2] = new Point3d();
-
- while (i < loopStopIndex) {
- getVertexData(indexCoord[i++], pnts[0]);
- getVertexData(indexCoord[i++], pnts[1]);
- getVertexData(indexCoord[i++], pnts[2]);
- thisToOtherVworld.transform(pnts[0]);
- thisToOtherVworld.transform(pnts[1]);
- thisToOtherVworld.transform(pnts[2]);
- if (geom.intersect(pnts)) {
- return true;
- }
- }
- return false;
- }
-
- // the bounds argument is already transformed
- @Override
- boolean intersect(Bounds targetBound) {
- Point3d[] pnts = new Point3d[3];
- //NVaidya
- // Bug 447: correction for loop indices
- int i = initialIndexIndex;
- int loopStopIndex = initialIndexIndex + validIndexCount;
- pnts[0] = new Point3d();
- pnts[1] = new Point3d();
- pnts[2] = new Point3d();
-
- switch(targetBound.getPickType()) {
- case PickShape.PICKBOUNDINGBOX:
- BoundingBox box = (BoundingBox) targetBound;
-
- while (i < loopStopIndex) {
- getVertexData(indexCoord[i++], pnts[0]);
- getVertexData(indexCoord[i++], pnts[1]);
- getVertexData(indexCoord[i++], pnts[2]);
- if (intersectBoundingBox(pnts, box, null, null)) {
- return true;
- }
- }
- break;
- case PickShape.PICKBOUNDINGSPHERE:
- BoundingSphere bsphere = (BoundingSphere) targetBound;
-
- while (i < loopStopIndex) {
- getVertexData(indexCoord[i++], pnts[0]);
- getVertexData(indexCoord[i++], pnts[1]);
- getVertexData(indexCoord[i++], pnts[1]);
- if (intersectBoundingSphere(pnts, bsphere, null,
- null)) {
- return true;
- }
- }
- break;
- case PickShape.PICKBOUNDINGPOLYTOPE:
- BoundingPolytope bpolytope = (BoundingPolytope) targetBound;
-
- while (i < loopStopIndex) {
- getVertexData(indexCoord[i++], pnts[0]);
- getVertexData(indexCoord[i++], pnts[1]);
- getVertexData(indexCoord[i++], pnts[2]);
- if (intersectBoundingPolytope(pnts, bpolytope,
- null, null)) {
- return true;
- }
- }
- break;
- default:
- throw new RuntimeException("Bounds not supported for intersection "
- + targetBound);
- }
- return false;
- }
-
- @Override
- int getClassType() {
- return TRIANGLE_TYPE;
- }
-}
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