addLineWithOpacity method

void addLineWithOpacity(
  1. Offset p1,
  2. Offset p2,
  3. double distance,
  4. double maxDistance,
)

Add a line with opacity calculation

Implementation

void addLineWithOpacity(
  Offset p1,
  Offset p2,
  double distance,
  double maxDistance,
) {
  final int opacity = ((1 - distance / maxDistance) * 255).toInt().clamp(
    0,
    255,
  );
  _batch.addLine(p1, p2, opacity);
}