fluttering-toast-6811

readme.md

fluttering-toast-6811

Created with <3 with dartpad.dev.

main.dart

import 'dart:math';
import 'package:vector_math/vector_math.dart';

// Here we calculate the angle in Z of the midLine
// of a woman standing straight up.

void main() {
  var ls = Vector3(
    0.5335670709609985,
    0.3110794723033905,
    -0.11455275863409042,
  );
  var rs = Vector3(
    0.46176043152809143,
    0.3107919692993164,
    -0.13316287100315094,
  );
  var lh = Vector3(
    0.5170937180519104,
    0.4952668845653534,
    -0.00006440694414777681,
  );
  var rh = Vector3(
    0.4780965745449066,
    0.4948005974292755,
    0.0000033577264275663765,
  );
  var ms = (ls + rs) / 2.0;  // mid-shoulders
  var mh = (lh + rh) / 2.0;  // mid-hips
  var ml = (ms - mh);        // midLine
  var mln = ml.normalized(); // midLine normalized
  print(mln);
  print(asin(mln.z) * 180 / 3.1416);  // prints -34 (roughly) degrees
}