/// <summary>
/// Determine if the object is visible
/// </summary>
bool IsVisible(WorldWind.Camera.CameraBase camera)
{
if (worldXyz == Vector3.Empty)
{
worldXyz = MathEngine.SphericalToCartesian(Latitude, Longitude, camera.WorldRadius);
}
return(camera.ViewFrustum.ContainsPoint(worldXyz));
}
/*
* public override void Update(DrawArgs drawArgs)
* {
* if (!isInitialized)
* this.Initialize(drawArgs);
* }
*/
/*
* public void Update(Matrix matView, Matrix matProj)
* {
* /*
* matWorld.Translate(0.0f, -80.0f, 0.0f);
* this.matView = matView;
* this.matProj = matProj;
*
* }
*/
new protected bool IsVisible(WorldWind.Camera.CameraBase camera)
{
if (base.IsVisible(camera))
{
//donot render at high altitudes
if (camera.Altitude > 60000)
{
return(false);
}
}
return(true);
}
/// <summary>
/// Determine if the object is visible
/// </summary>
protected bool IsVisible(WorldWind.Camera.CameraBase camera)
{
if (IsVertExaggerable == true)
{
vertExaggeration = World.Settings.VerticalExaggeration;
}
else
{
vertExaggeration = 1;
}
//if (worldXyz == Vector3.Empty)
worldXyz = MathEngine.SphericalToCartesian(Latitude, Longitude, World.EquatorialRadius + ((currentElevation + Altitude) * vertExaggeration));
return(camera.ViewFrustum.ContainsPoint(worldXyz));
}