internal void UpdateBezierPoints()
{
if (IsNodeSlotDragging == false)
{
return;
}
var srcPos = _parent.SourceNodeSlotConnecting.MakeSlotPos();
BezierPoints[0] = srcPos;
if (_parent.TargetNodeSlotConnecting.IsNull)
{
var handleLength = srcPos.Distance(_mousePos) * 0.5d;
BezierPoints[1] = BiaNodeEditorHelper.MakeBezierControlPoint(srcPos, _parent.SourceNodeSlotConnecting.Slot.Dir, handleLength);
BezierPoints[2] = _mousePos;
BezierPoints[3] = _mousePos;
}
else
{
var targetSlotPos = _parent.TargetNodeSlotConnecting.MakeSlotPos();
var handleLength = srcPos.Distance(targetSlotPos) * 0.5d;
BezierPoints[1] = BiaNodeEditorHelper.MakeBezierControlPoint(srcPos, _parent.SourceNodeSlotConnecting.Slot.Dir, handleLength);
BezierPoints[2] = BiaNodeEditorHelper.MakeBezierControlPoint(targetSlotPos, _parent.TargetNodeSlotConnecting.Slot.Dir, handleLength);
BezierPoints[3] = targetSlotPos;
}
}
public static ValueTuple <ImmutableVec2_double, ImmutableVec2_double, ImmutableVec2_double, ImmutableVec2_double> MakeBezierCurve(this IBiaNodeLink self)
{
var item1 = self.ItemSlot1.Item ?? throw new NullReferenceException();
var item2 = self.ItemSlot2.Item ?? throw new NullReferenceException();
var pos1 = item1.MakeSlotPosDefault(self.InternalData().Slot1 !);
var pos2 = item2.MakeSlotPosDefault(self.InternalData().Slot2 !);
var pos1C = BiaNodeEditorHelper.MakeBezierControlPoint(pos1, self.InternalData().Slot1 !.Dir);
var pos2C = BiaNodeEditorHelper.MakeBezierControlPoint(pos2, self.InternalData().Slot2 !.Dir);
return(pos1, pos1C, pos2C, pos2);
}
public static void MakeBezierCurve(this IBiaNodeLink self, Span <ImmutableVec2_float> result)
{
var item1 = self.ItemSlot1.Item ?? throw new NullReferenceException();
var item2 = self.ItemSlot2.Item ?? throw new NullReferenceException();
var pos1 = item1.MakeSlotPosDefault(self.InternalData().Slot1 !);
var pos2 = item2.MakeSlotPosDefault(self.InternalData().Slot2 !);
var pos1C = BiaNodeEditorHelper.MakeBezierControlPoint(pos1, self.InternalData().Slot1 !.Dir);
var pos2C = BiaNodeEditorHelper.MakeBezierControlPoint(pos2, self.InternalData().Slot2 !.Dir);
result[0] = new ImmutableVec2_float((float)pos1.X, (float)pos1.Y);
result[1] = new ImmutableVec2_float((float)pos1C.X, (float)pos1C.Y);
result[2] = new ImmutableVec2_float((float)pos2C.X, (float)pos2C.Y);
result[3] = new ImmutableVec2_float((float)pos2.X, (float)pos2.Y);
}