void DraggedLinkOverAnchorCallback(Anchor anchor)
{
if (!AnchorUtils.AnchorAreAssignable(editorEvents.startedLinkAnchor, anchor))
{
return;
}
//update anchor highlight
if (anchor.anchorType == AnchorType.Input)
{
if (anchor.linkCount >= 1)
{
//highlight links with delete color
foreach (var link in anchor.links)
{
link.highlight = LinkHighlightMode.Delete;
}
anchor.highlighMode = AnchorHighlight.AttachReplace;
}
else
{
anchor.highlighMode = AnchorHighlight.AttachNew;
}
}
else
{
//highlight our link with delete color
foreach (var link in editorEvents.startedLinkAnchor.links)
{
link.highlight = LinkHighlightMode.Delete;
}
if (anchor.linkCount > 0)
{
anchor.highlighMode = AnchorHighlight.AttachAdd;
}
else
{
anchor.highlighMode = AnchorHighlight.AttachNew;
}
}
}
void DrawNodeCurve(Anchor anchor, Vector2 endPoint, bool anchorSnapping = true)
{
Rect anchorRect = anchor.rectInGraph;
Vector3 startPos = new Vector3(anchorRect.x + anchorRect.width, anchorRect.y + anchorRect.height / 2, 0);
Vector3 startDir = Vector3.right;
if (anchorSnapping && editorEvents.isMouseOverAnchor)
{
var toAnchor = editorEvents.mouseOverAnchor;
var fromAnchor = editorEvents.startedLinkAnchor;
if (AnchorUtils.AnchorAreAssignable(fromAnchor, toAnchor))
{
endPoint = toAnchor.rectInGraph.center;
}
}
float tanPower = (startPos - (Vector3)endPoint).magnitude / 2;
tanPower = Mathf.Clamp(tanPower, 0, 100);
DrawSelectedBezier(startPos, endPoint, startPos + startDir * tanPower, (Vector3)endPoint + -startDir * tanPower, anchor.colorSchemeName, 4, LinkHighlightMode.None);
}