private MyPickResult getMouseIntersection2(MouseEvent e) {
MyPickResult myResult = new MyPickResult();
Point3d closestObjectPos = null;
Node closestObject = null;
pickCanvas2.setShapeLocation(e);
PickResult[] allResults = null;
try {
allResults = pickCanvas2.pickAllSorted();
} catch (AssertionError ex) {
}
;
if (allResults != null) {
for (PickResult result : allResults) {
Shape3D s = (Shape3D) result.getNode(PickResult.SHAPE3D);
if (s != null) {
if (closestObjectPos != null) {
break;
}
try {
PickIntersection intersection = result.getClosestIntersection(cameraPos);
closestObjectPos = intersection.getPointCoordinatesVW();
closestObject = s;
} catch (NullPointerException ex) {
}
;
}
}
myResult.setPoint(closestObjectPos);
myResult.setNode(closestObject);
}
return myResult;
}
private MyPickResult getMouseIntersection(MouseEvent e, boolean withSnap) {
MyPickResult myResult = new MyPickResult();
Point3d closestObjectPos = null;
Point3d closestMarkPos = null;
Node closestObject = null;
Node closestMark = null;
// 0: closest object; 1: closest mark
pickCanvas.setShapeLocation(e);
PickResult[] allResults = null;
try {
allResults = pickCanvas.pickAllSorted();
} catch (AssertionError ex) {
}
if (allResults != null) {
for (PickResult result : allResults) {
Shape3D s = (Shape3D) result.getNode(PickResult.SHAPE3D);
if (s != null) { // only pick a Shape3D object
if (closestObjectPos != null && closestMarkPos != null) {
break;
}
try {
PickIntersection intersection = result.getClosestIntersection(cameraPos);
if (!(s.getParent().getParent().getParent() instanceof Mark)
&& !((s.getParent().getParent().getParent() instanceof Marker))) {
// markdot/markline/label -> TG -> BG -> Mark/Marker
try {
closestObjectPos = intersection.getPointCoordinatesVW();
closestObject = s;
} catch (NullPointerException ex) {
}
} else if ((s.getParent().getParent().getParent() instanceof Mark)) {
try {
closestMarkPos = intersection.getPointCoordinatesVW();
closestMark = s;
} catch (NullPointerException ex) {
}
}
} catch (NullPointerException ex) {
}
}
}
Point3d resultPos = null;
Node resultNode = null;
if (closestMark != null) {
resultPos = closestMarkPos; // priority of result -> mark
resultNode = closestMark;
} else if (closestObject != null) {
resultPos = closestObjectPos;
resultNode = closestObject;
}
if (withSnap) { // snap resultPos to correct position
// start trying to if cursor are inside object bounding sphere
if ((closestObjectPos != null && bs.intersect(closestObjectPos))
|| closestMarkPos != null && bs.intersect(closestMarkPos)) {
Point3d closestObjectPos2 = null;
Point3d closestMarkPos2 = null;
Node closestObject2 = null;
Node closestMark2 = null;
// initiate snap bounds if hasn't been initiated before
// "snappable" targets to be considered are the ones inside threshold
if (cursorBound == null) {
cursorBound = new BoundingSphere(resultPos, CURSOR_THRESHOLD);
}
if (thresholdBound == null) {
thresholdBound = new BoundingSphere(resultPos, SNAP_THRESHOLD);
}
// update the bounds
// only if the cursor is no longer inside current cursor bounds
if (!cursorBound.intersect(resultPos)) {
cursorBound.setCenter(resultPos);
thresholdBound.setCenter(resultPos);
}
// snap to nearest point in the list of snap targets
double nearestDistance = FARTHEST;
double distance;
Point3d nearestTarget = null;
// snap to vertex. all vertexes listed in snapList
if (snapList.size() > 0) {
for (Point3d snapTarget : snapList) {
if (thresholdBound.intersect(snapTarget)) {
distance = snapTarget.distance(resultPos);
if (distance < nearestDistance) {
nearestDistance = distance;
nearestTarget = snapTarget;
}
if (nearestTarget != null) {
resultPos.set(nearestTarget); // snap!
// pick the snapped node
Vector3d camToSnapped = new Vector3d();
camToSnapped.x = resultPos.x - cameraPos.x;
camToSnapped.y = resultPos.y - cameraPos.y;
camToSnapped.z = resultPos.z - cameraPos.z;
pickCanvas.setShapeRay(cameraPos, camToSnapped);
PickResult[] allResultsSnapped = null;
try {
allResultsSnapped = pickCanvas.pickAllSorted();
} catch (AssertionError ex) {
}
if (allResultsSnapped != null) {
for (PickResult result : allResultsSnapped) {
Shape3D s = (Shape3D) result.getNode(PickResult.SHAPE3D);
if (s != null) { // only pick a Shape3D object
if (closestObjectPos2 != null && closestMarkPos2 != null) {
break;
}
try {
PickIntersection intersection = result.getClosestIntersection(cameraPos);
if (!(s.getParent().getParent().getParent() instanceof Mark)
&& !((s.getParent().getParent().getParent() instanceof Marker))) {
// markdot/markline/label -> TG -> BG -> Mark/Marker
try {
closestObjectPos2 = intersection.getPointCoordinatesVW();
closestObject2 = s;
} catch (NullPointerException ex) {
}
} else if ((s.getParent().getParent().getParent() instanceof Mark)) {
try {
closestMarkPos2 = intersection.getPointCoordinatesVW();
closestMark2 = s;
} catch (NullPointerException ex) {
}
}
} catch (NullPointerException ex) {
}
}
}
if (closestMark2 != null) {
resultPos = closestMarkPos2; // priority of result -> mark
resultNode = closestMark2;
} else if (closestObject2 != null) {
resultPos = closestObjectPos2;
resultNode = closestObject2;
}
}
}
}
}
}
}
}
myResult.setPoint(resultPos);
myResult.setNode(resultNode);
}
return myResult;
}