public static Float3 ConvertCartesianToPolar(Float3 cartesian)
{
Vector3 vec = cartesian.AsVector3();
double radius = vec.Length();
double azimuth = Math.Atan2(cartesian.X, cartesian.Z);
if (azimuth < 0) azimuth += Math.PI * 2;
double elevation = Math.Asin(cartesian.Y / radius);
return new Float3(radius, azimuth, elevation);
}
private void UpdateMapTerrainThread(object o, DoWorkEventArgs e)
{
while (!terrainWorker.CancellationPending)
{
if (TerrainToProcess.Count > 0)
{
try
{
MapDescriptor desc = TerrainToProcess.Peek();
Shape target = desc.Tag as CombinedMapData;
Shape shape = null;
shapeFactory.BottomLeftLatitude = desc.Latitude;
shapeFactory.BottomLeftLongitude = desc.Longitude;
shapeFactory.LatitudeDelta = desc.Delta;
shapeFactory.LongitudeDelta = desc.Delta;
if (!UseTerrainData)
shape = shapeFactory.GenerateNullShape();
else
{
shape = GenerateShapeFromFile(desc);
}
Float3 location = new Float3((float)(desc.Longitude * UnitsPerDegreeLatitude), 0, (float)(desc.Latitude * UnitsPerDegreeLatitude));
shape.Location = location.AsVector3();
target.CopyShapeFrom(shape);
FireMapUpdateCompletedEvent(new ShapeChangeEventArgs(target, ShapeChangeEventArgs.ChangeAction.Add));
TerrainToProcess.Dequeue();
}
catch (InvalidOperationException) { }
}
System.Threading.Thread.Sleep(10);
}
}
public Float3(Float3 original)
: this(original.AsVector3())
{
}
private void SetBroadLocation(Float3 value)
{
Vector3 broad = value.AsVector3();
float dist = Vector3.Distance(broad, Location);
mScale = new Vector3(mScale.X, dist, mScale.Z);
Vector3 diff = Vector3.Subtract(broad, this.Location);
double y = diff.Y;
double x = diff.X;
double z = diff.Z;
Elevation = (float)(Math.Asin(y / dist));
Azimuth = (float)(Math.Atan2(x, z));
}