internal void SetupMatricesLand3d()
{
Lighting = false;
Space = false;
RenderTriangle.CullInside = false;
// For our world matrix, we will just rotate the Earth and Clouds about the y-axis.
Matrix3d WorldMatrix = Matrix3d.RotationY(((ViewCamera.Lng - 90f) / 180f * Math.PI));
WorldMatrix.Multiply(Matrix3d.RotationX(((-ViewCamera.Lat) / 180f * Math.PI)));
World = WorldMatrix;
WorldBase = WorldMatrix.Clone();
viewPoint = Coordinates.GeoTo3d(ViewCamera.Lat, ViewCamera.Lng);
double distance = 0;
if (backgroundImageset.IsMandelbrot)
{
distance = (4.0 * (ViewCamera.Zoom / 180)) + 0.00000000000000000000000000000000000000001;
}
else
{
distance = (4.0 * (ViewCamera.Zoom / 180)) + 0.000001;
}
fovAngle = ((this.ViewCamera.Zoom) / FOVMULT) / Math.PI * 180;
fovScale = (fovAngle / Height) * 3600;
if (gl != null)
{
targetAltitude = GetScaledAltitudeForLatLong(ViewCamera.Lat, ViewCamera.Lng);
double heightNow = 1 + targetAltitude;
targetAltitude *= NominalRadius;
//if ((double.IsNaN(heightNow)))
//{
// heightNow = 0;
//}
if (targetHeight < heightNow)
{
targetHeight = (((targetHeight * 2) + heightNow) / 3);
}
else
{
targetHeight = (((targetHeight * 9) + heightNow) / 10);
}
//if (double.IsNaN(targetHeight))
//{
// targetHeight = 0;
//}
}
else
{
targetAltitude = 0;
targetHeight = 1;
}
double rotLocal = ViewCamera.Rotation;
CameraPosition = Vector3d.Create(
(Math.Sin(rotLocal) * Math.Sin(ViewCamera.Angle) * distance),
(Math.Cos(rotLocal) * Math.Sin(ViewCamera.Angle) * distance),
(-targetHeight - (Math.Cos(ViewCamera.Angle) * distance)));
Vector3d cameraTarget = Vector3d.Create(0.0f, 0.0f, -targetHeight);
double camHeight = CameraPosition.Length();
Vector3d lookUp = Vector3d.Create(Math.Sin(rotLocal) * Math.Cos(ViewCamera.Angle), Math.Cos(rotLocal) * Math.Cos(ViewCamera.Angle), Math.Sin(ViewCamera.Angle));
View = Matrix3d.LookAtLH(
(CameraPosition),
(cameraTarget),
lookUp);
// * Matrix3d.RotationX(((-config.DomeTilt) / 180 * Math.PI));
ViewBase = View;
double back = Math.Sqrt((distance + 1f) * (distance + 1f) - 1);
back = Math.Max(.5, back);
// back = (float)camDist * 40f;
double m_nearPlane = distance * .05f;
m_nearPlane = distance * .05f;
Projection = Matrix3d.PerspectiveFovLH((Math.PI / 4.0), (double)Width / (double)Height, m_nearPlane, back);
SetMatrixes();
MakeFrustum();
}