/* ------------------------------------------- Node Drawing --------------------------------------------- */
void DrawNodes()
{
if (sequence == null || sequence.nodes == null)
{
return;
}
foreach (int key in sequence.nodes.Keys)
{
DrawNode(sequence.nodes[key], key);
if (sequence.nodes[key].next == null)
{
continue;
}
foreach (BaseNode child in sequence.nodes[key].next)
{
CurveUtils.DrawNodeCurve(sequence.nodes[key].position, child.position);
}
}
}
/// <summary>
/// Handles connections between nodes
/// </summary>
/// <param name="e">E.</param>
void HandleConnections()
{
Event e = Event.current;
if (sequence == null || sequence.nodes == null)
{
return;
}
if ((e.type == EventType.MouseDown) && e.button == 0)
{
foreach (int key in sequence.nodes.Keys)
{
if (CurveUtils.IsStartCurve(sequence.nodes[key], e.mousePosition))
{
this.isDraggingConnector = true;
this.dragStart = sequence.nodes[key];
e.Use();
break;
}
else if (CurveUtils.IsEndCurve(sequence.nodes[key], e.mousePosition) && sequence.nodes[key].prev != null)
{
this.dragStart = sequence.nodes[key].prev;
this.isDraggingConnector = true;
sequence.nodes[key].prev.Remove(sequence.nodes[key]);
sequence.nodes[key].prev = null;
}
}
}
if (e.type == EventType.MouseUp && e.button == 0)
{
this.isDraggingConnector = false;
foreach (int key in sequence.nodes.Keys)
{
if (CurveUtils.IsEndCurve(sequence.nodes[key], e.mousePosition))
{
sequence.nodes[key].AddInput(this.dragStart);
this.dragStart.AddOutput(sequence.nodes[key]);
}
}
Repaint();//repaint to stop drawing the curve
}
}