/// <summary>
/// Calculates and returns the rectangle that encloses all the 2D shapes which belong to
/// the handle. If the handle doesn't contain any 2D shapes or if none of them are marked
/// as visible, a rectangle with the size of 0 will be returned. The 'Is2DVisible' property
/// is ignored. The function will also return an empty rect if the 3D position of the owner
/// gizmo falls behind the camera near plane (i.e. behind the camera).
/// </summary>
public Rect GetVisible2DShapesRect(Camera camera)
{
if (Num2DShapes == 0 ||
!camera.IsPointInFrontNearPlane(Gizmo.Transform.Position3D))
{
return(new Rect());
}
var allRectPts = new List <Vector2>(Num2DShapes * 4);
foreach (var shape in _2DShapes)
{
if (!shape.IsVisible)
{
continue;
}
Rect shapeRect = shape.Shape.GetEncapsulatingRect();
allRectPts.AddRange(shapeRect.GetCornerPoints());
}
if (allRectPts.Count == 0)
{
return(new Rect());
}
return(RectEx.FromPoints(allRectPts));
}
public override Rect GetEncapsulatingRect()
{
if (_arePointsDirty)
{
OnPointsFoundDirty();
}
return(RectEx.FromPoints(_points));
}
public Rect GetVisible2DHandlesRect(Camera camera)
{
var allRectPts = new List <Vector2>();
int numHandles = _handles.Count;
for (int handleIndex = 0; handleIndex < numHandles; ++handleIndex)
{
var handle = _handles[handleIndex];
Rect handleRect = handle.GetVisible2DShapesRect(camera);
if (handleRect.width != 0 || handleRect.height != 0)
{
allRectPts.AddRange(handleRect.GetCornerPoints());
}
}
if (allRectPts.Count != 0)
{
return(RectEx.FromPoints(allRectPts));
}
return(new Rect());
}
private void CalculateRect()
{
_rect = RectEx.FromPoints(_cwPolyPoints);
_isRectDirty = false;
}
public override Rect GetEncapsulatingRect()
{
var cornerPoints = QuadMath.Calc2DQuadCornerPoints(_center, _size, _rotationDegrees);
return(RectEx.FromPoints(cornerPoints));
}
public override Rect GetEncapsulatingRect()
{
return(RectEx.FromPoints(GetExtentPoints()));
}
public override Rect GetEncapsulatingRect()
{
return(RectEx.FromPoints(new Vector2[] { _startPoint, _endPoint }));
}
public override Rect GetEncapsulatingRect()
{
return(RectEx.FromPoints(new List <Vector2> {
BaseLeft, Tip, BaseRight
}));
}
private void OnBorderPointsFoundDirty()
{
_borderPoints = PrimitiveFactory.Generate2DArcBorderPoints(_origin, _startPoint, _degreeAngleFromStart, _forceShortestArc, _numBorderPoints);
_rect = RectEx.FromPoints(_borderPoints);
_areBorderPointsDirty = false;
}