-function animateSquareToSquare(src, dest, piece, completeFn) {
- // get information about the source and destination squares
- var srcSquareEl = document.getElementById(SQUARE_ELS_IDS[src]);
- var srcSquarePosition = offset(srcSquareEl);
- var destSquareEl = document.getElementById(SQUARE_ELS_IDS[dest]);
- var destSquarePosition = offset(destSquareEl);
-
- // create the animated piece and absolutely position it
- // over the source square
- var animatedPieceId = createId();
- document.body.append(buildPiece(piece, true, animatedPieceId));
- var animatedPieceEl = document.getElementById(animatedPieceId);
- animatedPieceEl.style.display = null;
- animatedPieceEl.style.position = 'absolute';
- animatedPieceEl.style.top = srcSquarePosition.top + 'px';
- animatedPieceEl.style.left = srcSquarePosition.left + 'px';
-
- // remove original piece(s) from source square
- // TODO: multiple pieces should never really happen, but it will if we are moving
- // while another animation still isn't done
- srcSquareEl.querySelectorAll('.' + CSS.piece).forEach((piece) => piece.remove());
-
- // on complete
- var complete = function() {
- // add the "real" piece to the destination square
- destSquareEl.append(buildPiece(piece));
-
- // remove the animated piece
- animatedPieceEl.remove();
-
- // run complete function
- if (typeof completeFn === 'function') {
- completeFn();
- }
- };
+function animateSquareToSquare(moved_pieces, completeFn) {
+ let pieces = [];
+ for (const {source, destination, piece} of moved_pieces) {
+ // get information about the source and destination squares
+ let srcSquareEl = document.getElementById(SQUARE_ELS_IDS[source]);
+ let srcSquarePosition = offset(srcSquareEl);
+ let destSquareEl = document.getElementById(SQUARE_ELS_IDS[destination]);
+ let destSquarePosition = offset(destSquareEl);
+
+ // create the animated piece and absolutely position it
+ // over the source square
+ let animatedPieceId = createId();
+ document.body.append(buildPiece(piece, true, animatedPieceId));
+ let animatedPieceEl = document.getElementById(animatedPieceId);
+ animatedPieceEl.style.display = null;
+ animatedPieceEl.style.position = 'absolute';
+ animatedPieceEl.style.top = srcSquarePosition.top + 'px';
+ animatedPieceEl.style.left = srcSquarePosition.left + 'px';
+
+ // remove original piece(s) from source square
+ // TODO: multiple pieces should never really happen, but it will if we are moving
+ // while another animation still isn't done
+ srcSquareEl.querySelectorAll('.' + CSS.piece).forEach((piece) => piece.remove());
+
+ // on complete
+ let complete = function() {
+ // add the "real" piece to the destination square
+ destSquareEl.append(buildPiece(piece));
+
+ // remove the animated piece
+ animatedPieceEl.remove();
+
+ // run complete function
+ if (typeof completeFn === 'function') {
+ completeFn();
+ }
+ };