public static ProjectedPoint PolarToRectangular(ProjectedPoint origin, double theta, double r)
{
ProjectedPoint result = new ProjectedPoint();
result.Easting = r * Math.Cos(theta);
result.Northing = r * Math.Sin(theta);
result.Easting += origin.Easting;
result.Northing += origin.Northing;
return(result);
}
/// <summary>
/// Project a point from word-space to screen-space
/// </summary>
public virtual ProjectedPoint Project(Vector3 point)
{
var result = new ProjectedPoint
{
Distance = Vector3.Distance(Position, point),
};
// Project point to cube space
var projection = Matrix.Multiply(point, _viewMatrix).DivideByW();
// Clip points outside of view
if (Clip(projection))
{
result.Visibility = ProjectedPoint.PointVisibility.Clipped;
}
// Fit results between 0-1
result.Position = Matrix.Multiply(projection, ViewPortMatrix).ToVector3();
return(result);
}
public static double FindAngleWTF(ProjectedPoint a, ProjectedPoint b)
{
return(-Math.Atan2(a.Northing - b.Northing, a.Easting - b.Easting));
}
private Vector3 ProjectedPointToWorld(ProjectedPoint point, CameraMan cameraMan)
{
Vector3 v = new Vector3((float)point.Northing, (float)point.Height, (float)point.Easting);
return(v);
}