const [sizeX,sizeY] = [V.size.x,V.size.y];
// Precompute hints squares to facilitate rendering
let hintSquares = doubleArray(sizeX, sizeY, false);
const [sizeX,sizeY] = [V.size.x,V.size.y];
// Precompute hints squares to facilitate rendering
let hintSquares = doubleArray(sizeX, sizeY, false);
// Also precompute in-check squares
let incheckSq = doubleArray(sizeX, sizeY, false);
this.incheck.forEach(sq => { incheckSq[sq[0]][sq[1]] = true; });
// Also precompute in-check squares
let incheckSq = doubleArray(sizeX, sizeY, false);
this.incheck.forEach(sq => { incheckSq[sq[0]][sq[1]] = true; });
let cj = (this.orientation=='w' ? j : sizeY-j-1);
let elems = [];
if (this.vr.board[ci][cj] != V.EMPTY && (variant.name!="Dark"
let cj = (this.orientation=='w' ? j : sizeY-j-1);
let elems = [];
if (this.vr.board[ci][cj] != V.EMPTY && (variant.name!="Dark"
'dark-square': (i+j)%2==1,
[this.bcolor]: true,
'in-shadow': variant.name=="Dark" && !this.gameOver
'dark-square': (i+j)%2==1,
[this.bcolor]: true,
'in-shadow': variant.name=="Dark" && !this.gameOver
&& !this.vr.enlightened[this.userColor][ci][cj],
'highlight': showLight && !!lm && _.isMatch(lm.end, {x:ci,y:cj}),
'incheck': showLight && incheckSq[ci][cj],
&& !this.vr.enlightened[this.userColor][ci][cj],
'highlight': showLight && !!lm && _.isMatch(lm.end, {x:ci,y:cj}),
'incheck': showLight && incheckSq[ci][cj],