support for lazy building widgets within viewport

2025-07-05 20:09:52 +00:00
parent 7cfb9457a2
commit b81b99c55c
10 changed files with 392 additions and 194 deletions
@@ -1,3 +1,4 @@
+import 'dart:math';
 import 'dart:ui' show Offset;

 extension OffsetCartesionOps on Offset {
@@ -11,6 +12,10 @@ extension OffsetCartesionOps on Offset {
    return Offset(dx - other.dx, dy - other.dy);
  }

+  Point toPoint() {
+    return Point(dx, dy);
+  }
+
  String coord() {
    return '(${dx.toStringAsFixed(2)}, ${dy.toStringAsFixed(2)})';
  }