/** * Updates the position of vol so it is placed at orig. This method is used for fast repaints in * J3DScene */ void updateVolumePosition(Volume3d vol, Volume3d orig) { switch (chainTree.volumeMode) { case OBB: Box3d box = (Box3d) vol; Box3d origBox = (Box3d) orig; box.setAnchor(origBox.getAnchor()); box.setXDir(origBox.getXDir()); box.setYDir(origBox.getYDir()); box.setZDir(origBox.getZDir()); return; case CAPSULE: Capsule3d caps = (Capsule3d) vol; Capsule3d origCaps = (Capsule3d) orig; caps.segment.setA(origCaps.segment.getA()); caps.segment.setB(origCaps.segment.getB()); caps.rad = origCaps.rad; return; case RSS: RSS3d rss = (RSS3d) vol; RSS3d origRSS = (RSS3d) orig; rss.rectangle.center.set(origRSS.rectangle.center); rss.rectangle.bases[0].set(origRSS.rectangle.bases[0]); rss.rectangle.bases[1].set(origRSS.rectangle.bases[1]); rss.radius = origRSS.radius; return; case PSS: Sphere3d sphere = (Sphere3d) vol; Sphere3d origSphere = (Sphere3d) orig; sphere.center.set(origSphere.center); } throw new Error("Unknown volume type chosen: " + chainTree.volumeMode); }
/** Create a volume bounding all the points. Also extend the radius appropriately */ Volume3d createEnclosingExtendedVolume(PointSet3d points, double extension) { switch (chainTree.volumeMode) { case OBB: Box3d retBox = Box3d.createBoundingBox_Covariance(points); retBox.extents[0] += extension; retBox.extents[1] += extension; retBox.extents[2] += extension; return retBox; case CAPSULE: Capsule3d ret = Capsule3d.createBoundingCapsule_CovarianceFit(points); ret.rad += extension; return ret; case RSS: RSS3d rss = RSS3d.createBoundingRSS_covariance(points); rss.radius += extension; return rss; case PSS: Sphere3d sphere = Sphere3d.getMinSphere(points); sphere.radius += extension; return sphere; } throw new Error("Unknown volume type chosen: " + chainTree.volumeMode); }