public override void Execute( )
{
var pointView = evt.data as PointView;
var polyView = pointView.poly;
var polyEntity = lookup.libs[polyView];
int count = polyEntity.Points.Count;
if (count <= 3)
{
return;
}
var index = polyView.points.IndexOf(pointView);
var preIndex = (count + index - 1) % count;
var nextIndex = (index + 1) % count;
//Calc new curve position
var point_0 = polyEntity.Points[preIndex];
var point_1 = polyEntity.Points[index];
var point_2 = polyEntity.Points[nextIndex];
var p0 = point_0.position;
var p1 = point_1.position;
var p2 = point_2.position;
var h0 = Bezier.CalcHandler(p0, p1, point_0.curvePosition);
var h1 = Bezier.CalcHandler(p1, p2, point_1.curvePosition);
var newCurvePos = (h0 + h1) * 0.5f;
Vector2 skew = (Vector2)newCurvePos;
if (CGAlgorithm.Intersect2D_2SkewSegments(p0, h0, p2, h1, ref skew))
{
var cIsLeft = Mathf.Sign(CGAlgorithm.IsLeft(p0, p2, p1));
var sIsLeft = Mathf.Sign(CGAlgorithm.IsLeft(p0, p2, skew));
if (cIsLeft * sIsLeft > 0)
{
newCurvePos = Bezier.CalcCurve(p0, p2, ( Vector3 )skew);
}
}
var pointEntity = polyEntity.Points[index];
var lineView = polyView.lines[index];
var preLine = polyView.lines[preIndex];
var nextPoint = polyView.points[nextIndex];
preLine.endPoint = nextPoint;
preLine.curvePosition = newCurvePos;// pointEntity.position;
preLine.OnRender( );
pointView.OnRecycle( );
lineView.OnRecycle( );
polyView.points.Remove(pointView);
polyView.lines.Remove(lineView);
//polyEntity.Points [ preIndex ].isCurve = true;
polyEntity.Points [preIndex].curvePosition = newCurvePos; // pointEntity.position;
polyEntity.Points.RemoveAt(index);
}
public override void Execute( )
{
var args = evt.data as InsertAtLineEventArgs;
var lineView = args.view;
var pos = args.pos;
var polyView = lineView.poly;
var index = polyView.lines.IndexOf(lineView);
int count = polyView.lines.Count;
int nextIndex = (index + 1) % count;
var nextPoint = polyView.points [nextIndex];
var polyEntity = lookup.libs[polyView];
#region Calc 1 new end point ans 2 curves point 's position
var point_0 = polyEntity.Points[index];
var point_1 = polyEntity.Points[nextIndex];
var p0 = point_0.position;
var p1 = point_1.position;
var c = point_0.curvePosition;
var h = Bezier.CalcHandler(p0, p1, c);
var factor = Bezier.BinaryFactor(p0, p1, c, pos);
//var pNew = Bezier.Square(p0, h, p1, factor);
var h0 = Vector3.Lerp(p0, h, factor);
var h1 = Vector3.Lerp(h, p1, factor);
var newPointPos = Vector3.Lerp(h0, h1, factor);
var c0 = Bezier.CalcCurve(p0, newPointPos, h0);
var c1 = Bezier.CalcCurve(newPointPos, p1, h1);
#endregion
polyEntity.Points [index].curvePosition = c0;
//polyEntity.Points [ index ].isCurve = true;
//var pointEntity = new PointEntity(lineView.centerPosition);
var pointEntity = new PointEntity(newPointPos, c1);
var newPoint = pointPrefab.Spawn();
newPoint.transform.parent = polyView.pointParent;
newPoint.transform.localPosition = newPointPos;//lineView.centerPosition;
var newLine = linePrefab.Spawn();
newLine.transform.parent = polyView.lineParent;
newLine.transform.localPosition = Vector3.zero;
newLine.startPoint = newPoint;
newLine.curvePosition = c1;
newLine.endPoint = nextPoint;
lineView.endPoint = newPoint;
lineView.curvePosition = c0;
newLine.OnRender( );
lineView.OnRender( );
newPoint.poly = polyView;
newLine.poly = polyView;
if (nextIndex != 0)
{
polyView.points.Insert(nextIndex, newPoint);
polyView.lines.Insert(nextIndex, newLine);
polyEntity.Points.Insert(nextIndex, pointEntity);
}
else
{
polyView.points.Add(newPoint);
polyView.lines.Add(newLine);
polyEntity.Points.Add(pointEntity);
}
//Debug.Log ( "Insert at " + nextIndex );
}
