public TopViewCamera(Frame3D loc, double aspectRatio) : base(aspectRatio)
{
Vector3 vec = loc.ToDirectXVector();
_topViewTransform = Matrix.LookAtLH(new Vector3(0, 0, vec.Z),
new Vector3(), Vector3.UnitY);
}
/// <summary>
/// Создает камеру, которую можно крутить движением мышки
/// </summary>
/// <param name="eventSource">Control,с которого обрабатываются события </param>
/// <param name="cameraLocation">Исходное положение камеры</param>
public TrackballCamera(Control eventSource, Frame3D cameraLocation)
: base(eventSource.ClientSize.Width / (double)eventSource.ClientSize.Height)
{
EventSource = eventSource;
Vector3 tempLoc = cameraLocation.ToDirectXVector();
_cameraLocation = new Vector3(Math.Abs(tempLoc.X), 0, tempLoc.Z);
Angle ang = Geometry.Atan2(tempLoc.Y, tempLoc.X);
_rotationMatrix = Matrix.RotationZ(-(float)ang.Radian);
_radius = _cameraLocation.Length();
Scale = 1;
}