diff options
author | Harvey Harrison <[email protected]> | 2015-04-19 21:02:06 -0700 |
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committer | Harvey Harrison <[email protected]> | 2015-04-19 21:02:06 -0700 |
commit | 7a2e20caac9db6f789a7b3fab344b9758af45335 (patch) | |
tree | b5236ff2570178de356eab569225108948eb4d30 /src/javax/media/j3d/IndexedTriangleArrayRetained.java | |
parent | f76ce302c4bb2a9f03bbee571ec5d05c29633023 (diff) |
j3dcore: flatten the directory structure a bit
Signed-off-by: Harvey Harrison <[email protected]>
Diffstat (limited to 'src/javax/media/j3d/IndexedTriangleArrayRetained.java')
-rw-r--r-- | src/javax/media/j3d/IndexedTriangleArrayRetained.java | 439 |
1 files changed, 439 insertions, 0 deletions
diff --git a/src/javax/media/j3d/IndexedTriangleArrayRetained.java b/src/javax/media/j3d/IndexedTriangleArrayRetained.java new file mode 100644 index 0000000..22b4839 --- /dev/null +++ b/src/javax/media/j3d/IndexedTriangleArrayRetained.java @@ -0,0 +1,439 @@ +/* + * 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; + } +} |