internal static Transform2d Draw(IEnumerable <Vector2> vertexPositions, Rect drawRect, Rect viewRect, bool showGraphBounds, MinimapStyle style)
{
// draw black outline
EditorGUI.DrawRect(drawRect.AddBorder(1f), Color.black);
// draw background
EditorGUI.DrawRect(drawRect, style.backgroundColor);
// fit vertex positions and viewRect into drawRect
var pointsToFit = vertexPositions.Concat(
new[] {
new Vector2(viewRect.xMin, viewRect.yMin),
new Vector2(viewRect.xMax, viewRect.yMax)
});
var mmTransform = ViewUtil.FitPointsIntoRect(pointsToFit, drawRect.Scale(0.9f));
// draw view rect
Rect tViewRect = mmTransform.Apply(viewRect).Intersection(drawRect);
Util.DrawRectOutline(tViewRect, style.viewRectColor);
// draw vertex positions
foreach (var pos in vertexPositions)
{
EditorGUI.DrawRect(Util.CenterRect(mmTransform.Apply(pos), 2, 2), style.vertexMarkerColor);
}
return(mmTransform);
}
// set the transform such that it can display the whole graph in the parent rect
public Transform2d GetOptimalTransform()
{
var entityPositions = graph.VerticesData.Values.Select(v => v.pos);
// use only the center area of the view rect for displaying the graph
Rect viewRect = parent.GetViewRect();
Rect graphRect = Util.CenterRect(viewRect.center, viewRect.GetExtents() * 0.7f);
return(ViewUtil.FitPointsIntoRect(entityPositions, graphRect));
}