public bool MoveObject(Vector2 relativeFrom, Vector2 relativeDelta, CameraBase camera, bool tryToClone, [CanBeNull] out IMoveable cloned)
{
if (_keepHighlight)
{
tryToClone = false;
}
else
{
_keepHighlight = true;
}
if (_justCloned)
{
tryToClone = false;
}
cloned = null;
if (_arrowHighlighted != default(Vector3))
{
var plane = new Plane(ParentMatrix.GetTranslationVector(), -camera.Look);
var rayFrom = camera.GetPickingRay(relativeFrom, new Vector2(1f, 1f));
var rayTo = camera.GetPickingRay(relativeFrom + relativeDelta, new Vector2(1f, 1f));
if (!Ray.Intersects(rayFrom, plane, out var distanceFrom) ||
!Ray.Intersects(rayTo, plane, out var distanceTo))
{
return(false);
}
var pointDelta = rayTo.Direction * distanceTo - rayFrom.Direction * distanceFrom;
if (tryToClone)
{
cloned = _parent.Clone();
_justCloned = true;
}
var totalDistance = pointDelta.Length();
var resultMovement = new Vector3(
pointDelta.X * _arrowHighlighted.X,
pointDelta.Y * _arrowHighlighted.Y,
pointDelta.Z * _arrowHighlighted.Z);
resultMovement.Normalize();
resultMovement *= totalDistance;
_parent.Move(resultMovement);
UpdateBoundingBox();
return(true);
}
if (_circleHighlighted != default(Vector3))
{
var rotationAxis = _circleHighlighted.X * _circleHighlighted.Y * _circleHighlighted.Z != 0f ?
camera.Look : _circleHighlighted;
if (tryToClone)
{
cloned = _parent.Clone();
_justCloned = true;
}
_parent.Rotate(Quaternion.RotationAxis(rotationAxis, relativeDelta.X * 10f));
UpdateBoundingBox();
return(true);
}
if (_scaleHighlighted)
{
var v = relativeDelta.X + relativeDelta.Y;
_parent.Scale(new Vector3(v > 0f ? 1.01f : 1f / 1.01f));
UpdateBoundingBox();
return(true);
}
return(false);
}