reflectPointHorizontal function

Offset reflectPointHorizontal(
  1. Offset point,
  2. double axisY
)

Mirrors point across the horizontal axis that passes through axisY.

Implementation

Offset reflectPointHorizontal(Offset point, double axisY) {
  final dy = axisY + (axisY - point.dy);
  return Offset(point.dx, dy);
}