addFanPiece method
Implementation
void addFanPiece(Color color) {
double outer = _startRadiusOfLastPiece + pieceHeight;
_fanPieceList.add(
FanPiece(
angleStart: angleStart,
swipe: swipe,
radiusStart: _startRadiusOfLastPiece,
radiusEnd: outer,
color: color,
center: center
)
);
_height += pieceHeight;
_startRadiusOfLastPiece = outer;
}