public bool isColliding(OrbitView orbitView, double nearDistance, DrawContext dc)
{
if (orbitView == null)
{
String message = Logging.getMessage("nullValue.OrbitViewIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
if (nearDistance < 0)
{
String message = Logging.getMessage("generic.ArgumentOutOfRange", nearDistance);
Logging.logger().severe(message);
throw new ArgumentException(message);
}
if (dc == null)
{
String message = Logging.getMessage("nullValue.DrawContextIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
Globe globe = dc.getGlobe();
if (globe == null)
{
String message = Logging.getMessage("nullValue.DrawingContextGlobeIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
Matrix modelviewInv = getModelviewInverse(globe,
orbitView.getCenterPosition(), orbitView.getHeading(), orbitView.getPitch(), orbitView.getRoll(),
orbitView.getZoom());
if (modelviewInv != null)
{
// OrbitView is colliding when its eye point is below the collision threshold.
double heightAboveSurface = computeViewHeightAboveSurface(dc, modelviewInv,
orbitView.getFieldOfView(), orbitView.getViewport(), nearDistance);
return(heightAboveSurface < this.collisionThreshold);
}
return(false);
}
/**
* Applies the orbit view property limits to the specified view.
*
* @param view the view that receives the property limits.
* @param viewLimits defines the view property limits.
*
* @throws ArgumentException if any argument is null.
* @deprecated Use methods that limit individual view properties directly: {@link #limitCenterPosition(gov.nasa.worldwind.View,
* SharpEarth.geom.Position)}, {@link #limitHeading(gov.nasa.worldwind.View,
* SharpEarth.geom.Angle)}, etc.
*/
public static void applyLimits(OrbitView view, OrbitViewLimits viewLimits)
{
if (view == null)
{
String message = Logging.getMessage("nullValue.ViewIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
if (viewLimits == null)
{
String message = Logging.getMessage("nullValue.ViewLimitsIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
view.setCenterPosition(limitCenterPosition(view.getCenterPosition(), viewLimits));
view.setHeading(limitHeading(view.getHeading(), viewLimits));
view.setPitch(limitPitch(view.getPitch(), viewLimits));
view.setZoom(limitZoom(view.getZoom(), viewLimits));
}