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Diffstat (limited to 'src/javax/media/j3d/LineStripArrayRetained.java')
-rw-r--r-- | src/javax/media/j3d/LineStripArrayRetained.java | 556 |
1 files changed, 0 insertions, 556 deletions
diff --git a/src/javax/media/j3d/LineStripArrayRetained.java b/src/javax/media/j3d/LineStripArrayRetained.java deleted file mode 100644 index 861c306..0000000 --- a/src/javax/media/j3d/LineStripArrayRetained.java +++ /dev/null @@ -1,556 +0,0 @@ -/* - * 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 LineStripArray object draws an array of vertices as a set of - * connected line strips. An array of per-strip vertex counts specifies - * where the separate strips appear in the vertex array. - * For every strip in the set, each vertex, beginning with - * the second vertex in the array, defines a line segment to be drawn - * from the previous vertex to the current vertex. - */ - -class LineStripArrayRetained extends GeometryStripArrayRetained { - - LineStripArrayRetained() { - this.geoType = GEO_TYPE_LINE_STRIP_SET; - } - - @Override - boolean intersect(PickShape pickShape, PickInfo pickInfo, int flags, Point3d iPnt, - GeometryRetained geom, int geomIndex) { - Point3d pnts[] = new Point3d[2]; - double sdist[] = new double[1]; - double minDist = Double.MAX_VALUE; - double x = 0, y = 0, z = 0; - int j, end; - int i = 0; - pnts[0] = new Point3d(); - pnts[1] = new Point3d(); - int[] vtxIndexArr = new int[2]; - - switch (pickShape.getPickType()) { - case PickShape.PICKRAY: - PickRay pickRay= (PickRay) pickShape; - - while(i < stripVertexCounts.length) { - j = stripStartVertexIndices[i]; - end = j + stripVertexCounts[i++]; - vtxIndexArr[0] = j; - getVertexData(j++, pnts[0]); - while (j < end) { - vtxIndexArr[1] = j; - getVertexData(j++, pnts[1]); - if (intersectLineAndRay(pnts[0], pnts[1], pickRay.origin, - pickRay.direction, 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]); - } - } - pnts[0].set(pnts[1]); - vtxIndexArr[0] = vtxIndexArr[1]; - } - } - 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 < stripVertexCounts.length) { - j = stripStartVertexIndices[i]; - end = j + stripVertexCounts[i++]; - vtxIndexArr[0] = j; - getVertexData(j++, pnts[0]); - while (j < end) { - vtxIndexArr[1] = j; - getVertexData(j++, pnts[1]); - if (intersectLineAndRay(pnts[0], pnts[1], - pickSegment.start, - dir, sdist, iPnt) && - (sdist[0] <= 1.0)) { - 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]); - } - } - pnts[0].set(pnts[1]); - vtxIndexArr[0] = vtxIndexArr[1]; - } - } - break; - case PickShape.PICKBOUNDINGBOX: - BoundingBox bbox = (BoundingBox) - ((PickBounds) pickShape).bounds; - - while (i < stripVertexCounts.length) { - j = stripStartVertexIndices[i]; - end = j + stripVertexCounts[i++]; - vtxIndexArr[0] = j; - getVertexData(j++, pnts[0]); - while (j < end) { - vtxIndexArr[1] = j; - getVertexData(j++, pnts[1]); - 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]); - } - } - pnts[0].set(pnts[1]); - vtxIndexArr[0] = vtxIndexArr[1]; - } - } - - break; - case PickShape.PICKBOUNDINGSPHERE: - BoundingSphere bsphere = (BoundingSphere) - ((PickBounds) pickShape).bounds; - - while (i < stripVertexCounts.length) { - j = stripStartVertexIndices[i]; - end = j + stripVertexCounts[i++]; - vtxIndexArr[0] = j; - getVertexData(j++, pnts[0]); - while (j < end) { - vtxIndexArr[1] = j; - getVertexData(j++, pnts[1]); - 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]); - } - } - pnts[0].set(pnts[1]); - vtxIndexArr[0] = vtxIndexArr[1]; - } - } - break; - case PickShape.PICKBOUNDINGPOLYTOPE: - BoundingPolytope bpolytope = (BoundingPolytope) - ((PickBounds) pickShape).bounds; - - while (i < stripVertexCounts.length) { - j = stripStartVertexIndices[i]; - end = j + stripVertexCounts[i++]; - vtxIndexArr[0] = j; - getVertexData(j++, pnts[0]); - while (j < end) { - vtxIndexArr[1] = j; - getVertexData(j++, pnts[1]); - 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]); - } - } - pnts[0].set(pnts[1]); - vtxIndexArr[0] = vtxIndexArr[1]; - } - } - break; - case PickShape.PICKCYLINDER: - PickCylinder pickCylinder= (PickCylinder) pickShape; - - while (i < stripVertexCounts.length) { - j = stripStartVertexIndices[i]; - end = j + stripVertexCounts[i++]; - vtxIndexArr[0] = j; - getVertexData(j++, pnts[0]); - while (j < end) { - vtxIndexArr[1] = j; - getVertexData(j++, pnts[1]); - 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]); - } - } - pnts[0].set(pnts[1]); - vtxIndexArr[0] = vtxIndexArr[1]; - } - } - break; - case PickShape.PICKCONE: - PickCone pickCone= (PickCone) pickShape; - - while (i < stripVertexCounts.length) { - j = stripStartVertexIndices[i]; - end = j + stripVertexCounts[i++]; - vtxIndexArr[0] = j; - getVertexData(j++, pnts[0]); - while (j < end) { - vtxIndexArr[1] = j; - getVertexData(j++, pnts[1]); - 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]); - } - } - pnts[0].set(pnts[1]); - vtxIndexArr[0] = vtxIndexArr[1]; - } - } - break; - case PickShape.PICKPOINT: - // Should not happen since API already check for this - throw new IllegalArgumentException(J3dI18N.getString("LineStripArrayRetained0")); - 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) { - int j, end; - Point3d[] points = new Point3d[2]; - double dist[] = new double[1]; - Vector3d dir; - int i = 0; - - points[0] = new Point3d(); - points[1] = new Point3d(); - - - - switch (pnts.length) { - case 3: - case 4: // Triangle, Quad - while (i < stripVertexCounts.length) { - j = stripStartVertexIndices[i]; - end = j + stripVertexCounts[i++]; - getVertexData(j++, points[0]); - while (j < end) { - getVertexData(j++, points[1]); - if (intersectSegment(pnts, points[0], points[1], - dist, null)) { - return true; - } - points[0].set(points[1]); - } - } - break; - case 2: // Line - dir = new Vector3d(); - while (i < stripVertexCounts.length) { - j = stripStartVertexIndices[i]; - end = j + stripVertexCounts[i++]; - getVertexData(j++, points[0]); - while (j < end) { - getVertexData(j++, points[1]); - dir.x = points[1].x - points[0].x; - dir.y = points[1].y - points[0].y; - dir.z = points[1].z - points[0].z; - if (intersectLineAndRay(pnts[0], pnts[1], - points[0], dir, dist, null) && - (dist[0] <= 1.0)) { - return true; - } - points[0].set(points[1]); - } - } - break; - case 1: // Point - dir = new Vector3d(); - while (i < stripVertexCounts.length) { - j = stripStartVertexIndices[i]; - end = j + stripVertexCounts[i++]; - getVertexData(j++, points[0]); - while (j < end) { - getVertexData(j++, points[1]); - dir.x = points[1].x - points[0].x; - dir.y = points[1].y - points[0].y; - dir.z = points[1].z - points[0].z; - if (intersectPntAndRay(pnts[0], points[0], dir, - dist) && - (dist[0] <= 1.0)) { - return true; - } - points[0].set(points[1]); - } - } - break; - } - return false; - } - - @Override - boolean intersect(Transform3D thisToOtherVworld, - GeometryRetained geom) { - int i = 0; - int j, end; - Point3d[] pnts = new Point3d[2]; - pnts[0] = new Point3d(); - pnts[1] = new Point3d(); - - - while (i < stripVertexCounts.length) { - j = stripStartVertexIndices[i]; - end = j + stripVertexCounts[i++]; - getVertexData(j++, pnts[0]); - thisToOtherVworld.transform(pnts[0]); - while (j < end) { - getVertexData(j++, pnts[1]); - thisToOtherVworld.transform(pnts[1]); - if (geom.intersect(pnts)) { - return true; - } - pnts[0].set(pnts[1]); - } - } - return false; - } - - // the bounds argument is already transformed - @Override - boolean intersect(Bounds targetBound) { - int i = 0; - int j, offset, end; - Point3d[] pnts = new Point3d[2]; - pnts[0] = new Point3d(); - pnts[1] = new Point3d(); - - - - switch(targetBound.getPickType()) { - case PickShape.PICKBOUNDINGBOX: - BoundingBox box = (BoundingBox) targetBound; - - while (i < stripVertexCounts.length) { - j = stripStartVertexIndices[i]; - end = j + stripVertexCounts[i++]; - getVertexData(j++, pnts[0]); - while ( j < end) { - getVertexData(j++, pnts[1]); - if (intersectBoundingBox(pnts, box, null, null)) { - return true; - } - pnts[0].set(pnts[1]); - } - } - break; - case PickShape.PICKBOUNDINGSPHERE: - BoundingSphere bsphere = (BoundingSphere) targetBound; - while (i < stripVertexCounts.length) { - j = stripStartVertexIndices[i]; - end = j + stripVertexCounts[i++]; - getVertexData(j++, pnts[0]); - while ( j < end) { - getVertexData(j++, pnts[1]); - if (intersectBoundingSphere(pnts, bsphere, null, - null)) { - return true; - } - pnts[0].set(pnts[1]); - } - } - break; - case PickShape.PICKBOUNDINGPOLYTOPE: - BoundingPolytope bpolytope = (BoundingPolytope) targetBound; - - while (i < stripVertexCounts.length) { - j = stripStartVertexIndices[i]; - end = j + stripVertexCounts[i++]; - getVertexData(j++, pnts[0]); - while ( j < end) { - getVertexData(j++, pnts[1]); - if (intersectBoundingPolytope(pnts, bpolytope, - null, null)) { - return true; - } - pnts[0].set(pnts[1]); - } - } - break; - default: - throw new RuntimeException("Bounds not supported for intersection " - + targetBound); - } - - return false; - } - - // From Graphics Gems IV (pg5) and Graphics Gems II, Pg170 - @Override - void computeCentroid() { - int i = 0; - int j; - double length; - double totallength = 0; - int start, end; - boolean replaceVertex1; - Point3d pnt0 = new Point3d(); - Point3d pnt1 = new Point3d(); - - centroid.x = 0; - centroid.y = 0; - centroid.z = 0; - - - - while (i < stripVertexCounts.length) { - j = stripStartVertexIndices[i]; - end = j + stripVertexCounts[i++]; - getVertexData(j++, pnt0); - replaceVertex1 = true; - while (j < end) { - if (replaceVertex1) { - getVertexData(j++, pnt1); - replaceVertex1 = false; - } else { - getVertexData(j++, pnt0); - replaceVertex1 = true; - } - length = pnt0.distance(pnt1); - centroid.x += (pnt0.x + pnt1.x) * length; - centroid.y += (pnt0.y + pnt1.y) * length; - centroid.z += (pnt0.z + pnt1.z) * length; - totallength += length; - } - } - if (totallength != 0.0) { - length = 1.0/(2.0 * totallength); - centroid.x *= length; - centroid.y *= length; - centroid.z *= length; - } - } - - @Override - int getClassType() { - return LINE_TYPE; - } - -} |