//The actual connection graphic
void DrawConnection(Vector2 fromPos, Vector2 toPos)
{
color = isActive ? color : Colors.Grey(0.3f);
if (!Application.isPlaying)
{
color = isActive ? defaultColor : Colors.Grey(0.3f);
var highlight = GraphEditorUtility.activeElement == this || GraphEditorUtility.activeElement == sourceNode || GraphEditorUtility.activeElement == targetNode;
if (startRect.Contains(Event.current.mousePosition) || endRect.Contains(Event.current.mousePosition))
{
highlight = true;
}
color.a = highlight ? 1 : color.a;
size = highlight ? defaultSize + 2 : defaultSize;
}
//alter from/to if active relinking
if (isRelinkingActive)
{
if (relinkState == RelinkState.Source)
{
fromPos = Event.current.mousePosition;
}
if (relinkState == RelinkState.Target)
{
toPos = Event.current.mousePosition;
}
ParadoxNotion.CurveUtils.ResolveTangents(fromPos, toPos, Prefs.connectionsMLT, direction, out fromTangent, out toTangent);
size = defaultSize;
}
var shadow = new Vector2(3.5f, 3.5f);
Handles.DrawBezier(fromPos, toPos + shadow, fromPos + shadow + fromTangent + shadow, toPos + shadow + toTangent, Color.black.WithAlpha(0.1f), StyleSheet.bezierTexture, size + 10f);
Handles.DrawBezier(fromPos, toPos, fromPos + fromTangent, toPos + toTangent, color, StyleSheet.bezierTexture, size);
GUI.color = color.WithAlpha(1);
if (tipConnectionStyle == TipConnectionStyle.Arrow)
{
GUI.DrawTexture(endRect, StyleSheet.GetDirectionArrow(toTangent.normalized));
}
if (tipConnectionStyle == TipConnectionStyle.Circle)
{
GUI.DrawTexture(endRect, StyleSheet.circle);
}
GUI.color = Color.white;
}