function q2c(x1, y1, ax, ay, x2, y2) {
  var _13 = 1 / 3, _23 = 2 / 3;
  return [
    _13 * x1 + _23 * ax, _13 * y1 + _23 * ay,
    _13 * x2 + _23 * ax, _13 * y2 + _23 * ay, x2, y2
  ];
}
@module Data
@submodule Array Functions
@for p5
@requires core