constructor(o) {
this.options = o.options;
+ // Fill missing options (always the case if random challenge)
+ (V.Options.select || []).concat(V.Options.input || []).forEach(opt => {
+ if (this.options[opt.variable] === undefined)
+ this.options[opt.variable] = opt.defaut;
+ });
this.playerColor = o.color;
this.afterPlay = o.afterPlay; //trigger some actions after playing a move
this.initMouseEvents();
const chessboard =
document.getElementById(this.containerId).querySelector(".chessboard");
- new ResizeObserver(this.rescale).observe(chessboard);
}
re_drawBoardElements() {
let board = `
<svg
viewBox="0 0 80 80"
- class="chessboard_SVG">
- <g>`;
+ class="chessboard_SVG">`;
for (let i=0; i < this.size.x; i++) {
for (let j=0; j < this.size.y; j++) {
const ii = (flipped ? this.size.x - 1 - i : i);
if (this.enlightened && !this.enlightened[ii][jj])
classes += " in-shadow";
// NOTE: x / y reversed because coordinates system is reversed.
- board += `<rect
- class="${classes}"
- id="${this.coordsToId({x: ii, y: jj})}"
- width="10"
- height="10"
- x="${10*j}"
- y="${10*i}" />`;
+ board += `
+ <rect
+ class="${classes}"
+ id="${this.coordsToId({x: ii, y: jj})}"
+ width="10"
+ height="10"
+ x="${10*j}"
+ y="${10*i}"
+ />`;
}
}
- board += "</g></svg>";
+ board += "</svg>";
return board;
}
}
}
- // After resize event: no need to destroy/recreate pieces
- rescale() {
- const container = document.getElementById(this.containerId);
- if (!container)
- return; //useful at initial loading
- let chessboard = container.querySelector(".chessboard");
+ // Resize board: no need to destroy/recreate pieces
+ rescale(mode) {
+ let chessboard =
+ document.getElementById(this.containerId).querySelector(".chessboard");
const r = chessboard.getBoundingClientRect();
- const newRatio = r.width / r.height;
- let newWidth = r.width,
- newHeight = r.height;
- if (newRatio > this.size.ratio) {
- newWidth = r.height * this.size.ratio;
- chessboard.style.width = newWidth + "px";
- }
- else if (newRatio < this.size.ratio) {
- newHeight = r.width / this.size.ratio;
- chessboard.style.height = newHeight + "px";
- }
+ const multFact = (mode == "up" ? 1.05 : 0.95);
+ let [newWidth, newHeight] = [multFact * r.width, multFact * r.height];
+ // Stay in window:
+ if (newWidth > window.innerWidth) {
+ newWidth = window.innerWidth;
+ newHeight = newWidth / this.size.ratio;
+ }
+ if (newHeight > window.innerHeight) {
+ newHeight = window.innerHeight;
+ newWidth = newHeight * this.size.ratio;
+ }
+ chessboard.style.width = newWidth + "px";
+ chessboard.style.height = newHeight + "px";
const newX = (window.innerWidth - newWidth) / 2;
chessboard.style.left = newX + "px";
const newY = (window.innerHeight - newHeight) / 2;
curPiece.remove();
};
+ const wheelResize = (e) => {
+ this.rescale(e.deltaY < 0 ? "up" : "down");
+ };
+
if ('onmousedown' in window) {
document.addEventListener("mousedown", mousedown);
document.addEventListener("mousemove", mousemove);
document.addEventListener("mouseup", mouseup);
+ document.addEventListener("wheel", wheelResize);
}
if ('ontouchstart' in window) {
// https://stackoverflow.com/a/42509310/12660887