sample method

Color sample(
  1. double u,
  2. double v
)

Samples UV coordinate (0-1) and returns approximate color.

Implementation

ui.Color sample(double u, double v) {
  if (!_loaded || _image == null) return const ui.Color(0xFFFF00FF);
  // Wrap UVs
  u = _wrapCoord(u, wrapS);
  v = _wrapCoord(v, wrapT);
  return const ui.Color(
    0xFFCCCCCC,
  ); // Placeholder — real sampling requires pixel access
}