set method

void set(
  1. Body bi,
  2. Body bj,
  3. bool value
)

set

Implementation

void set(Body bi, Body bj, bool value) {
  int i = bi.id;
  int j = bj.id;
  if (j > i) {
    final temp = j;
    j = i;
    i = temp;
  }
  if (value) {
    matrix['$i-$j'] = true;
  } else {
    matrix.remove('$i-$j');
  }
}