/// <summary>
///
/// </summary>
/// <param name="value"></param>
public void SetHitTestMode(HitTestMode value)
{
if (this.hitTestMode != value)
{
this.hitTestMode = value;
BoxCollider collider = this.gameObject.GetComponent <BoxCollider>();
if (this.hitTestMode == HitTestMode.Raycast)
{
if (collider == null)
{
collider = this.gameObject.AddComponent <BoxCollider>();
}
this.container.hitArea = new BoxColliderHitTest(collider);
if (_ui != null)
{
UpdateHitArea();
}
}
else
{
this.container.hitArea = null;
if (collider != null)
{
Component.Destroy(collider);
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="value"></param>
public void SetHitTestMode(HitTestMode value)
{
if (this.hitTestMode != value)
{
this.hitTestMode = value;
BoxCollider collider = this.gameObject.GetComponent<BoxCollider>();
if (this.hitTestMode == HitTestMode.Raycast)
{
if (collider == null)
collider = this.gameObject.AddComponent<BoxCollider>();
this.container.hitArea = new BoxColliderHitTest(collider);
if (_ui != null)
UpdateHitArea();
}
else
{
this.container.hitArea = null;
if (collider != null)
Component.Destroy(collider);
}
}
}
/// Return information about the area under the specified point
public HitInfo HitTest(Point pt, HitTestMode mode)
{
if ( points == null )
Init();
// shift to spiro coords
Point translatedPoint=pt;
translatedPoint.Offset(-location.X, -location.Y);
// calc distance from center
double distance = LineUtil.Distance(new Point(0, 0), translatedPoint);
if ( mode == HitTestMode.Default )
{
if (distance > MaxExtent + 5)
// we're outside the area covered by the spiro
return HitInfo.None;
// is it near the line of the fixed circle
if ( distance > R - 5 && distance < R + 5 )
// yes
return HitInfo.FixedCircle;
// when testing in this mode, we only want to know about a couple
// of key areas
if (PointNearSegment(translatedPoint))
// point is on or near the curve
return HitInfo.Curve;
// not interested, in this mode
return HitInfo.None;
}
if ( ResizeHandleRect.Contains(pt) )
return HitInfo.Resize;
if ( !FocusRect.Contains(pt) )
// point is outside focus rect
return HitInfo.None;
// determine if the point is on or near the pen
RectangleF rc = new RectangleF(points[counter], new Size(0, 0));
rc.Inflate(5, 5);
if (rc.Contains(translatedPoint))
return HitInfo.Pen;
// is it near the line of the moving circle
double distToMoving = LineUtil.Distance(CurrentMovingCircleCenter, translatedPoint);
if ( distToMoving < r + 5 && distToMoving > r - 5 )
// yes
return HitInfo.MovingCircle;
// is it near the line of the fixed circle
if ( distance > R - 5 && distance < R + 5 )
// yes
return HitInfo.FixedCircle;
// nowhere in particular but is within bounds
return HitInfo.Bounds;
}