protected override void OnScene()
{
var matrix = Target.transform.localToWorldMatrix;
var inverse = Target.transform.worldToLocalMatrix;
for (var i = 0; i < Target.Points.Count; i++)
{
var oldPoint = matrix.MultiplyPoint(Target.Points[i]);
Handles.matrix = VA_Helper.TranslationMatrix(oldPoint) * VA_Helper.ScalingMatrix(0.8f) * VA_Helper.TranslationMatrix(oldPoint * -1.0f);
var newPoint = Handles.PositionHandle(oldPoint, Quaternion.identity);
if (oldPoint != newPoint)
{
Undo.RecordObject(Target, "Move Path Point");
Target.Points[i] = inverse.MultiplyPoint(newPoint);
EditorUtility.SetDirty(Target);
}
}
Handles.color = Color.red;
Handles.matrix = Target.transform.localToWorldMatrix;
for (var i = 1; i < Target.Points.Count; i++)
{
Handles.DrawLine(Target.Points[i - 1], Target.Points[i]);
}
Handles.BeginGUI();
{
for (var i = 0; i < Target.Points.Count; i++)
{
var point = Target.Points[i];
var pointName = "Point " + i;
var scrPoint = Camera.current.WorldToScreenPoint(matrix.MultiplyPoint(point));
var rect = new Rect(0.0f, 0.0f, 50.0f, 20.0f); rect.center = new Vector2(scrPoint.x, Screen.height - scrPoint.y - 35.0f);
var rect1 = rect; rect.x += 1.0f;
var rect2 = rect; rect.x -= 1.0f;
var rect3 = rect; rect.y += 1.0f;
var rect4 = rect; rect.y -= 1.0f;
GUI.Label(rect1, pointName, EditorStyles.miniBoldLabel);
GUI.Label(rect2, pointName, EditorStyles.miniBoldLabel);
GUI.Label(rect3, pointName, EditorStyles.miniBoldLabel);
GUI.Label(rect4, pointName, EditorStyles.miniBoldLabel);
GUI.Label(rect, pointName, EditorStyles.whiteMiniLabel);
}
for (var i = 1; i < Target.Points.Count; i++)
{
var pointA = Target.Points[i - 1];
var pointB = Target.Points[i];
var midPoint = (pointA + pointB) * 0.5f;
var scrPoint = Camera.current.WorldToScreenPoint(matrix.MultiplyPoint(midPoint));
if (GUI.Button(new Rect(scrPoint.x - 5.0f, Screen.height - scrPoint.y - 45.0f, 20.0f, 20.0f), "+") == true)
{
Undo.RecordObject(Target, "Split Path");
Target.Points.Insert(i, midPoint); GUI.changed = true;
}
}
}
Handles.EndGUI();
}