private void DrawConnectionCurve(NodeConnection c) {
Rect r1;
Rect r2;
if(c.GetFromHandle() != null) {
r1 = c.GetFromHandle().rect;
} else {
r1 = c.GetFromNode().rect;
}
if(c.GetToHandle() != null) {
r2 = c.GetToHandle().rect;
} else {
r2 = c.GetToNode().rect;
}
NodeUtils.DrawNodeCurve(r1, r2);
}
public virtual NodeConnection ConnectNodes(BaseNode from, BaseNode to) {
if (from == null ||
to == null)
return null;
NodeConnection c = new NodeConnection(from, to);
from.AddConnection(c);
to.AddConnection(c);
return c;
}
public void RemoveConnection(NodeConnection connection) {
if (!connections.Contains(connection)) return;
connections.Remove(connection);
}
public void AddConnection(NodeConnection connection) {
if (connections.Contains(connection)) return;
connections.Add(connection);
}