directionExtent method

double directionExtent(
  1. AxisDirection direction
)

Returns the extent towards direction.

Implementation

double directionExtent(AxisDirection direction) {
  if (direction == AxisDirection.up) return -dy;
  else if (direction == AxisDirection.right) return dx;
  else if (direction == AxisDirection.down) return dy;
  else return -dx;
}