/// <summary>
/// Occurs when the manipulation is started.
/// </summary>
/// <param name="e">The <see cref="ManipulationEventArgs"/> instance containing the event data.</param>
public override void Started(Point e)
{
base.Started(e);
this.rotationPoint = new Point(
this.Viewport.ActualWidth / 2, this.Viewport.ActualHeight / 2);
this.rotationPoint3D = this.Camera.CameraInternal.Target;
switch (this.CameraMode)
{
case CameraMode.WalkAround:
this.rotationPoint = this.MouseDownPoint;
this.rotationPoint3D = this.Camera.CameraInternal.Position;
break;
default:
if (Controller.FixedRotationPointEnabled)
{
this.rotationPoint3D = Controller.FixedRotationPoint;
}
else if (this.changeLookAt && this.MouseDownNearestPoint3D != null)
{
this.LookAt(this.MouseDownNearestPoint3D.Value, 0);
this.rotationPoint3D = this.Camera.CameraInternal.Target;
}
else if (this.Controller.RotateAroundMouseDownPoint && this.MouseDownNearestPoint3D != null)
{
this.rotationPoint = this.MouseDownPoint;
this.rotationPoint3D = this.MouseDownNearestPoint3D.Value;
}
break;
}
if (this.CameraMode == CameraMode.Inspect)
{
this.Viewport.ShowTargetAdorner(this.rotationPoint);
}
switch (this.CameraRotationMode)
{
case CameraRotationMode.Trackball:
break;
case CameraRotationMode.Turntable:
break;
case CameraRotationMode.Turnball:
CameraMath.InitTurnballRotationAxes(e.ToVector2(), (int)Viewport.ActualWidth, (int)Viewport.ActualHeight, Camera,
out rotationAxisX, out rotationAxisY);
break;
}
this.Controller.StopSpin();
}
/// <summary>
/// Occurs when the manipulation is started.
/// </summary>
/// <param name="e">The <see cref="T:SharpDX.Vector2" /> instance containing the event data.</param>
protected override void Started(Vector2 e)
{
base.Started(e);
this.rotationPoint = new Vector2(
this.Controller.Width / 2, this.Controller.Height / 2);
this.rotationPoint3D = this.Camera.Target;
switch (this.CameraMode)
{
case CameraMode.WalkAround:
this.rotationPoint = this.MouseDownPoint;
this.rotationPoint3D = this.Camera.Position;
break;
default:
if (Controller.FixedRotationPointEnabled)
{
this.rotationPoint3D = Controller.FixedRotationPoint;
}
else if (this.changeLookAt && this.MouseDownNearestPoint3D != null)
{
this.LookAt(this.MouseDownNearestPoint3D.Value, 0);
this.rotationPoint3D = this.Camera.Target;
}
else if (this.Controller.RotateAroundMouseDownPoint && this.MouseDownNearestPoint3D != null)
{
this.rotationPoint = this.MouseDownPoint;
this.rotationPoint3D = this.MouseDownNearestPoint3D.Value;
}
break;
}
switch (this.CameraRotationMode)
{
case CameraRotationMode.Trackball:
break;
case CameraRotationMode.Turntable:
break;
case CameraRotationMode.Turnball:
CameraMath.InitTurnballRotationAxes(e, (int)Controller.Width, (int)Controller.Height, Camera,
out rotationAxisX, out rotationAxisY);
break;
}
this.Controller.StopSpin();
}