/// <summary>
/// Rotates the specified p0.
/// </summary>
/// <param name="p0">The p0.</param>
/// <param name="p1">The p1.</param>
/// <param name="rotateAround">The rotate around.</param>
/// <param name="stopOther">if set to <c>true</c> [stop other].</param>
public void Rotate(Vector2 p0, Vector2 p1, Vector3 rotateAround, bool stopOther = true)
{
if (!this.Controller.IsRotationEnabled)
{
return;
}
if (stopOther)
{
Controller.StopZooming();
Controller.StopPanning();
}
p0 = Vector2.Multiply(p0, Controller.AllowRotateXY);
p1 = Vector2.Multiply(p1, Controller.AllowRotateXY);
Vector3 newPos = Camera.CameraInternal.Position;
Vector3 newLook = Camera.CameraInternal.LookDirection;
Vector3 newUp = Vector3.Normalize(Camera.CameraInternal.UpDirection);
switch (this.Controller.CameraRotationMode)
{
case CameraRotationMode.Trackball:
CameraMath.RotateTrackball(CameraMode, ref p0, ref p1, ref rotateAround, (float)RotationSensitivity,
Controller.Width, Controller.Height, Camera, Inv, out newPos, out newLook, out newUp);
break;
case CameraRotationMode.Turntable:
var p = p1 - p0;
CameraMath.RotateTurntable(CameraMode, ref p, ref rotateAround, (float)RotationSensitivity,
Controller.Width, Controller.Height, Camera, Inv, ModelUpDirection, out newPos, out newLook, out newUp);
break;
case CameraRotationMode.Turnball:
CameraMath.RotateTurnball(CameraMode, ref p0, ref p1, ref rotateAround, (float)RotationSensitivity,
Controller.Width, Controller.Height, Camera, Inv, out newPos, out newLook, out newUp);
break;
default:
break;
}
Camera.LookDirection = newLook.ToVector3D();
Camera.Position = newPos.ToPoint3D();
Camera.UpDirection = newUp.ToVector3D();
}
/// <summary>
/// Rotate the camera around the specified point.
/// </summary>
/// <param name="p0">
/// The p 0.
/// </param>
/// <param name="p1">
/// The p 1.
/// </param>
/// <param name="rotateAround">
/// The rotate around.
/// </param>
/// <param name="stopOther">Stop other manipulation</param>
public void Rotate(Vector2 p0, Vector2 p1, Vector3 rotateAround, bool stopOther = true)
{
if (!this.Controller.IsRotationEnabled)
{
return;
}
if (stopOther)
{
Controller.StopZooming();
Controller.StopPanning();
}
var newPos = Camera.Position;
var newLook = Camera.LookDirection;
var newUp = Vector3.Normalize(Camera.UpDirection);
switch (this.Controller.CameraRotationMode)
{
case CameraRotationMode.Trackball:
CameraMath.RotateTrackball(CameraMode, ref p0, ref p1, ref rotateAround, (float)RotationSensitivity,
Controller.Width, Controller.Height, Camera, inv, out newPos, out newLook, out newUp);
break;
case CameraRotationMode.Turntable:
var p = p1 - p0;
CameraMath.RotateTurntable(CameraMode, ref p, ref rotateAround, (float)RotationSensitivity,
Controller.Width, Controller.Height, Camera, inv, ModelUpDirection, out newPos, out newLook, out newUp);
break;
case CameraRotationMode.Turnball:
CameraMath.RotateTurnball(CameraMode, ref p0, ref p1, ref rotateAround, (float)RotationSensitivity,
Controller.Width, Controller.Height, Camera, inv, out newPos, out newLook, out newUp);
break;
}
Camera.LookDirection = newLook;
Camera.Position = newPos;
Camera.UpDirection = newUp;
}