Cubic Bezier in SCSS... Anyone? I have no idea where I was going with it...

cubic-bezier.scss

@function cubic-bezier($t,$x1,$y1,$x2,$y2) {
  $diff: 1 - $t;
  $x: $diff * ( $diff * ($t * $x1) + $t * ($diff * $x1 + $t * $x2)) + $t * ($diff * ( $diff * $x1 + $t * $x2) + $t * ($diff * $x2 + $t));
  $y: $diff * ( $diff * ($t * $y1) + $t * ($diff * $y1 + $t * $y2)) + $t * ($diff * ( $diff * $y1 + $t * $y2) + $t * ($diff * $y2 + $t));

  @return ($x, $y);
}