From 9db5050a189571c9f3018d4d25c7d304ca1a22dc Mon Sep 17 00:00:00 2001 From: Benjamin Auder Date: Thu, 26 May 2022 12:46:52 +0200 Subject: [PATCH] Fix animation + Rifle --- base_rules.js | 89 +++++++++++++++++++++++++++------------------------ 1 file changed, 48 insertions(+), 41 deletions(-) diff --git a/base_rules.js b/base_rules.js index ded104e..df49f84 100644 --- a/base_rules.js +++ b/base_rules.js @@ -638,8 +638,10 @@ export default class ChessRules { this.g_pieces[i][j].classList.add(C.GetColorClass(color)); this.g_pieces[i][j].style.width = pieceWidth + "px"; this.g_pieces[i][j].style.height = pieceWidth + "px"; - const [ip, jp] = this.getPixelPosition(i, j, r); - this.g_pieces[i][j].style.transform = `translate(${ip}px,${jp}px)`; + let [ip, jp] = this.getPixelPosition(i, j, r); + // Translate coordinates to use chessboard as reference: + this.g_pieces[i][j].style.transform = + `translate(${ip - r.x}px,${jp - r.y}px)`; if (this.enlightened && !this.enlightened[i][j]) this.g_pieces[i][j].classList.add("hidden"); chessboard.appendChild(this.g_pieces[i][j]); @@ -671,11 +673,10 @@ export default class ChessRules { } } else - this.r_pieces = { 'w': {}, 'b': {} }; - let chessboard = - document.getElementById(this.containerId).querySelector(".chessboard"); + this.r_pieces = { w: {}, b: {} }; + let container = document.getElementById(this.containerId); if (!r) - r = chessboard.getBoundingClientRect(); + r = container.querySelector(".chessboard").getBoundingClientRect(); for (let c of colors) { if (!this.reserve[c]) continue; @@ -694,7 +695,7 @@ export default class ChessRules { // NOTE: +1 fix display bug on Firefox at least rcontainer.style.width = (nbR * sqResSize + 1) + "px"; rcontainer.style.height = sqResSize + "px"; - chessboard.appendChild(rcontainer); + container.appendChild(rcontainer); for (let p of Object.keys(this.reserve[c])) { if (this.reserve[c][p] == 0) continue; @@ -785,7 +786,7 @@ export default class ChessRules { chessboard.style.left = newX + "px"; const newY = (window.innerHeight - newHeight) / 2; chessboard.style.top = newY + "px"; - const newR = { x: newX, y: newY, width: newWidth, height: newHeight }; + const newR = {x: newX, y: newY, width: newWidth, height: newHeight}; const pieceWidth = this.getPieceWidth(newWidth); for (let i=0; i < this.size.x; i++) { for (let j=0; j < this.size.y; j++) { @@ -794,7 +795,9 @@ export default class ChessRules { this.g_pieces[i][j].style.width = pieceWidth + "px"; this.g_pieces[i][j].style.height = pieceWidth + "px"; const [ip, jp] = this.getPixelPosition(i, j, newR); - this.g_pieces[i][j].style.transform = `translate(${ip}px,${jp}px)`; + // Translate coordinates to use chessboard as reference: + this.g_pieces[i][j].style.transform = + `translate(${ip - newX}px,${jp - newY}px)`; } } } @@ -830,7 +833,7 @@ export default class ChessRules { } } - // Return the absolute pixel coordinates (on board) given current position. + // Return the absolute pixel coordinates given current position. // Our coordinate system differs from CSS one (x <--> y). // We return here the CSS coordinates (more useful). getPixelPosition(i, j, r) { @@ -850,12 +853,12 @@ export default class ChessRules { x = (flipped ? this.size.y - 1 - j : j) * sqSize; y = (flipped ? this.size.x - 1 - i : i) * sqSize; } - return [x, y]; + return [r.x + x, r.y + y]; } initMouseEvents() { - let chessboard = - document.getElementById(this.containerId).querySelector(".chessboard"); + let container = document.getElementById(this.containerId); + let chessboard = container.querySelector(".chessboard"); const getOffset = e => { if (e.clientX) @@ -876,8 +879,8 @@ export default class ChessRules { const centerOnCursor = (piece, e) => { const centerShift = this.getPieceWidth(r.width) / 2; const offset = getOffset(e); - piece.style.left = (offset.x - r.x - centerShift) + "px"; - piece.style.top = (offset.y - r.y - centerShift) + "px"; + piece.style.left = (offset.x - centerShift) + "px"; + piece.style.top = (offset.y - centerShift) + "px"; } let start = null, @@ -910,7 +913,7 @@ export default class ChessRules { curPiece.style.width = pieceWidth + "px"; curPiece.style.height = pieceWidth + "px"; centerOnCursor(curPiece, e); - chessboard.appendChild(curPiece); + container.appendChild(curPiece); startPiece.style.opacity = "0.4"; chessboard.style.cursor = "none"; } @@ -1073,7 +1076,8 @@ export default class ChessRules { pieces(color, x, y) { const pawnShift = (color == "w" ? -1 : 1); - const initRank = ((color == 'w' && x == 6) || (color == 'b' && x == 1)); + // NOTE: jump 2 squares from first rank (pawns can be here sometimes) + const initRank = ((color == 'w' && x >= 6) || (color == 'b' && x <= 1)); return { 'p': { "class": "pawn", @@ -1283,7 +1287,7 @@ export default class ChessRules { this.options["rifle"] ) { // In this case a rifle-capture from last rank may promote a pawn - this.riflePromotePostProcess(moves); + this.riflePromotePostProcess(moves, color); } return moves; @@ -1384,7 +1388,7 @@ export default class ChessRules { Array.prototype.push.apply(moves, moreMoves); } - riflePromotePostProcess(moves) { + riflePromotePostProcess(moves, color) { const lastRank = (color == "w" ? 0 : this.size.x - 1); let newMoves = []; moves.forEach(m => { @@ -2112,7 +2116,9 @@ export default class ChessRules { this.g_pieces[a.x][a.y].style.width = pieceWidth + "px"; this.g_pieces[a.x][a.y].style.height = pieceWidth + "px"; const [ip, jp] = this.getPixelPosition(a.x, a.y, r); - this.g_pieces[a.x][a.y].style.transform = `translate(${ip}px,${jp}px)`; + // Translate coordinates to use chessboard as reference: + this.g_pieces[a.x][a.y].style.transform = + `translate(${ip - r.x}px,${jp - r.y}px)`; if (this.enlightened && !this.enlightened[a.x][a.y]) this.g_pieces[a.x][a.y].classList.add("hidden"); chessboard.appendChild(this.g_pieces[a.x][a.y]); @@ -2141,22 +2147,20 @@ export default class ChessRules { callback(); return; } - let movingPiece = this.getDomPiece(move.start.x, move.start.y); - if (!movingPiece) { //TODO this shouldn't be required + let initPiece = this.getDomPiece(move.start.x, move.start.y); + if (!initPiece) { //TODO this shouldn't be required callback(); return; } - const initTransform = movingPiece.style.transform; - let chessboard = - document.getElementById(this.containerId).querySelector(".chessboard"); - const r = chessboard.getBoundingClientRect(); - const [ix, iy] = this.getPixelPosition(move.start.x, move.start.y, r); + // NOTE: cloning generally not required, but light enough, and simpler + let movingPiece = initPiece.cloneNode(); + initPiece.style.opacity = "0"; + let container = + document.getElementById(this.containerId) + const r = container.querySelector(".chessboard").getBoundingClientRect(); const maxDist = this.getMaxDistance(r.width); - // NOTE: move.drag could be generalized per-segment (usage?) + const pieces = this.pieces(); if (move.drag) { - // Drag something else: require cloning - movingPiece = movingPiece.cloneNode(); - const pieces = this.pieces(); const startCode = this.getPiece(move.start.x, move.start.y); movingPiece.classList.remove(pieces[startCode]["class"]); movingPiece.classList.add(pieces[move.drag.p]["class"]); @@ -2165,19 +2169,26 @@ export default class ChessRules { movingPiece.classList.remove(C.GetColorClass(apparentColor)); movingPiece.classList.add(C.GetColorClass(move.drag.c)); } - chessboard.appendChild(movingPiece); } + container.appendChild(movingPiece); const animateSegment = (index, cb) => { + // NOTE: move.drag could be generalized per-segment (usage?) const [i1, j1] = move.segments[index][0]; const [i2, j2] = move.segments[index][1]; const dep = this.getPixelPosition(i1, j1, r); const arr = this.getPixelPosition(i2, j2, r); + movingPiece.style.transitionDuration = "0s"; + movingPiece.style.transform = `translate(${dep[0]}px, ${dep[1]}px)`; const distance = Math.sqrt((arr[0] - dep[0]) ** 2 + (arr[1] - dep[1]) ** 2); const duration = 0.2 + (distance / maxDist) * 0.3; - movingPiece.style.transform = `translate(${arr[0]}px, ${arr[1]}px)`; - movingPiece.style.transitionDuration = duration + "s"; - setTimeout(cb, duration * 1000); + // TODO: unclear why we need this new delay below: + setTimeout(() => { + movingPiece.style.transitionDuration = duration + "s"; + // movingPiece is child of container: no need to adjust cordinates + movingPiece.style.transform = `translate(${arr[0]}px, ${arr[1]}px)`; + setTimeout(cb, duration * 1000); + }, 50); }; if (!move.segments) { move.segments = [ @@ -2189,12 +2200,8 @@ export default class ChessRules { if (index < move.segments.length) animateSegment(index++, animateSegmentCallback); else { - if (move.drag) - movingPiece.remove(); - else { - movingPiece.style.transform = initTransform; - movingPiece.style.transitionDuration = "0s"; - } + movingPiece.remove(); + initPiece.style.opacity = "1"; callback(); } }; -- 2.44.0