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);
}
protected void onHorizontalTranslateRel(
Angle forwardChange, Angle sideChange, ViewInputAttributes.ActionAttributes actionAttribs) {
View view = this.getView();
if (view == null) // include this test to ensure any derived implementation performs it
{
return;
}
if (forwardChange.equals(Angle.ZERO) && sideChange.equals(Angle.ZERO)) {
return;
}
if (view instanceof BasicFlyView) {
Vec4 forward = view.getForwardVector();
Vec4 up = view.getUpVector();
Vec4 side = forward.transformBy3(Matrix.fromAxisAngle(Angle.fromDegrees(90), up));
forward = forward.multiply3(forwardChange.getDegrees());
side = side.multiply3(sideChange.getDegrees());
Vec4 eyePoint = view.getEyePoint();
eyePoint = eyePoint.add3(forward.add3(side));
Position newPosition = view.getGlobe().computePositionFromPoint(eyePoint);
this.setEyePosition(this.uiAnimControl, view, newPosition, actionAttribs);
view.firePropertyChange(AVKey.VIEW, null, view);
}
}