protected void setEyePosition(
AnimationController animControl,
View view,
Position position,
ViewInputAttributes.ActionAttributes attrib) {
MoveToPositionAnimator posAnimator =
(MoveToPositionAnimator) animControl.get(VIEW_ANIM_POSITION);
double smoothing = attrib.getSmoothingValue();
if (!(attrib.isEnableSmoothing() && this.isEnableSmoothing())) smoothing = 0.0;
if (smoothing != 0.0) {
double elevation =
((FlyViewLimits) view.getViewPropertyLimits())
.limitEyeElevation(position, view.getGlobe());
if (elevation != position.getElevation()) {
position = new Position(position, elevation);
}
if (posAnimator == null) {
posAnimator =
new MoveToPositionAnimator(
view.getEyePosition(),
position,
smoothing,
OrbitViewPropertyAccessor.createEyePositionAccessor(view));
animControl.put(VIEW_ANIM_POSITION, posAnimator);
} else {
posAnimator.setEnd(position);
posAnimator.start();
}
}
view.firePropertyChange(AVKey.VIEW, null, view);
}
/**
* Set the roll in a view.
*
* @param view View to modify.
* @param animControl Animator controller for the view.
* @param roll new roll value.
* @param attrib action that caused the roll to change.
*/
protected void setRoll(
View view,
AnimationController animControl,
Angle roll,
ViewInputAttributes.ActionAttributes attrib) {
double smoothing = attrib.getSmoothingValue();
if (!(attrib.isEnableSmoothing() && this.isEnableSmoothing())) smoothing = 0.0;
AngleAnimator angleAnimator =
new RotateToAngleAnimator(
view.getRoll(), roll, smoothing, ViewPropertyAccessor.createRollAccessor(view));
animControl.put(VIEW_ANIM_ROLL, angleAnimator);
}
protected void onResetPitch(ViewInputAttributes.ActionAttributes actionAttribs) {
View view = this.getView();
if (view == null) // include this test to ensure any derived implementation performs it
{
return;
}
double smoothing = actionAttribs.getSmoothingValue();
if (!(actionAttribs.isEnableSmoothing() && this.isEnableSmoothing())) smoothing = 0.0;
this.gotoAnimControl.put(
VIEW_ANIM_PITCH,
new RotateToAngleAnimator(
view.getPitch(),
Angle.POS90,
smoothing,
ViewPropertyAccessor.createPitchAccessor(view)));
view.firePropertyChange(AVKey.VIEW, null, view);
}
protected void onMoveTo(
Position focalPosition,
ViewInputAttributes.DeviceAttributes deviceAttributes,
ViewInputAttributes.ActionAttributes actionAttribs) {
BasicFlyView view = (BasicFlyView) this.getView();
if (view == null) // include this test to ensure any derived implementation performs it
{
return;
}
// We're treating a speed parameter as smoothing here. A greater speed results in greater
// smoothing and
// slower response. Therefore the min speed used at lower altitudes ought to be *greater* than
// the max
// speed used at higher altitudes.
double smoothing = this.getScaleValueElevation(deviceAttributes, actionAttribs);
if (!actionAttribs.isEnableSmoothing()) smoothing = 0.0;
Vec4 currentLookAtPt = view.getCenterPoint();
if (currentLookAtPt == null) {
currentLookAtPt = view.getGlobe().computePointFromPosition(focalPosition);
}
Vec4 currentEyePt = view.getEyePoint();
double distanceToSurface = currentEyePt.distanceTo3(currentLookAtPt);
Vec4 lookDirection = currentEyePt.subtract3(currentLookAtPt).normalize3();
Vec4 newLookAtPt = view.getGlobe().computePointFromPosition(focalPosition);
Vec4 flyToPoint = newLookAtPt.add3(lookDirection.multiply3(distanceToSurface));
Position newPosition = view.getGlobe().computePositionFromPoint(flyToPoint);
ViewUtil.ViewState viewCoords = view.getViewState(newPosition, focalPosition);
this.stopAnimators();
this.gotoAnimControl.put(
VIEW_ANIM_HEADING,
new RotateToAngleAnimator(
view.getHeading(),
viewCoords.getHeading(),
smoothing,
ViewPropertyAccessor.createHeadingAccessor(view)));
this.gotoAnimControl.put(
VIEW_ANIM_PITCH,
new RotateToAngleAnimator(
view.getPitch(),
viewCoords.getPitch(),
smoothing,
ViewPropertyAccessor.createPitchAccessor(view)));
double elevation =
((FlyViewLimits) view.getViewPropertyLimits())
.limitEyeElevation(newPosition, view.getGlobe());
if (elevation != newPosition.getElevation()) {
newPosition = new Position(newPosition, elevation);
}
this.gotoAnimControl.put(
VIEW_ANIM_POSITION,
new MoveToPositionAnimator(
view.getEyePosition(),
newPosition,
smoothing,
ViewPropertyAccessor.createEyePositionAccessor(view)));
view.firePropertyChange(AVKey.VIEW, null, view);
}