Sha256: 56c4e3be198049ca1350165aea5e93705fdf24aa2cf1ae65774839437a34bb1b
Contents?: true
Size: 1.21 KB
Versions: 211
Compression:
Stored size: 1.21 KB
Contents
const W = 8,
H = 8,
STARTING = { black : [7,3], white: [0,3] };
const QueenAttack = ( params = STARTING ) => {
const self = this instanceof QueenAttack ? this : Object.getPrototypeOf(QueenAttack);
if (params && params.white === params.black){
throw new Error("Queens cannot share the same space");
}
self.black=params.black;
self.white=params.white;
self.board = constructBoard();
placePieces(self);
self.canAttack = () => {
if (self.black[0] === self.white[0] || self.black[1] === self.white[1]){
return true;
}
return Math.abs(self.black[0]-self.white[0]) === Math.abs(self.black[1]-self.white[1]);
};
self.toString = () => self.board.join('');
return self;
};
function constructBoard(){
let row = buildRow("_ ", W).join('');
row = row.substring(0, row.length-1)+"\n";
return concatRows(row, H);
}
function placePieces(self){
self.board[self.black[0]*W*2+self.black[1]*2]='B';
self.board[self.white[0]*W*2+self.white[1]*2]='W';
}
function buildRow(cell, colCount){
return Array.apply(null, Array(colCount)).map(() => cell);
}
function concatRows(row, rowCount){
return [...Array.prototype.concat.apply(buildRow(row, rowCount)).join('')];
}
export default QueenAttack;
Version data entries
211 entries across 211 versions & 1 rubygems