transformPoints method
Transforms initial grid into a polygon grid
Implementation
List<Offset> transformPoints(Set<Offset> points, Size size) {
final transformedList = <Offset>[];
final orgList = points.toList();
final rand = Random(userId.length);
for (var i = 0; i < points.length; i++) {
final orgDx = orgList[i].dx;
final orgDy = orgList[i].dy;
if (orgDx == 0 ||
orgDy == 0 ||
orgDx == size.width ||
orgDy == size.height) {
transformedList.add(Offset(orgDx, orgDy));
continue;
}
final sign1 = rand.nextInt(2) == 1 ? 1 : -1;
final sign2 = rand.nextInt(2) == 1 ? 1 : -1;
final dx = sign1 * 0.6 * rand.nextInt(size.width ~/ columnCount);
final dy = sign2 * 0.6 * rand.nextInt(size.height ~/ rowCount);
transformedList.add(Offset(orgDx + dx, orgDy + dy));
}
return transformedList;
}