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Title	KA Chess
ID	1743728279
Created	12 years ago, 1371745497129
Updated	11 years ago, 1388600204681
Code	/ DY's ORIGINAL PROGRAM IS HERE: \ khanacademy.org/cs/ka-chess/1743728279 \ / //Took a while – Added CASTLING! /*ATTENTION! The following rules are UNAVAILABLE at this time: Checking * Checkmate * Stalemate * En Passant * Pawn Promotion * King Capture Prevention * Perpetual Check / Three-Fold Repetition Draw / noCursor(); frameRate(200); var colors = []; var board = [0, " RNBQKBNR", " PPPPPPPP", " ........", " ........", " ........", " ........", " PPPPPPPP", " RNBQKBNR" ]; var sides = [0, " bbbbbbbb", " bbbbbbbb", " ........", " ........", " ........", " ........", " wwwwwwww", " wwwwwwww" ]; var possibleMoves = [0, " 00000000", " 00000000", " 00000000", " 00000000", " 00000000", " 00000000", " 00000000", " 00000000" ]; /var board = [0, " RNBQKBNR", " PPP.PPPP", " ........", " ...P....", " P...P...", " .P......", " ..PP.PP.", " RNBQKBNR" ]; var sides = [0, " bbbbbbbb", " bbb.bbbb", " ........", " ...b....", " w...w...", " .w......", " ..ww.ww.", " wwwwwwww" ];/ //Pawn var pawn = getImage("avatars/mr-pink"); //Knight var knight = getImage("avatars/purple-pi"); //Bishop var bishop = getImage("avatars/orange-juice-squid"); //Rook/Castle var rook = getImage("avatars/old-spice-man"); //Queen var queen = getImage("avatars/robot_female_3"); //King var king = getImage("avatars/robot_male_3"); //Tint Images var tintImage = function(imageToTint, colorToTint){ tint(0, 0, 0, 128); var newImg=createGraphics(imageToTint.width,imageToTint.height,JAVA2D); newImg.image(imageToTint); return newImg; }; /var tintImage = function(imageToTint){ var newImg=createGraphics(pawn.width,pawn.height,JAVA2D); newImg.background(255); newImg.image(imageToTint, 0, 0); return newImg; };/ //White /var whitePawn=createGraphics(pawn.width,pawn.height, JAVA2D); whitePawn.background(255); whitePawn.image(pawn);/ //Black var wDP = [], bDP = [];//white/blackDefeatedPieces var whiteSquare = getImage("cute/PlainBlock"); var blackSquare = getImage("cute/BrownBlock"); var mouseOverSquare = getImage("cute/Blank"); var selectionSquare = getImage("cute/GrassBlock"); var currentMove = "w"; var opponent = "b"; var sSX, sSY;//selectedSquare sSX = undefined; sSY = undefined; var mouseOverRect = function(rectX, rectY, rectW, rectH){ if(mouseX > rectX & mouseY > rectY & mouseX < rectX + rectW & mouseY < rectY + rectH){ return true; } return false; }; var instantiateArray = function(arr) { var arrinst = []; for(var aCount = 0; aCount < arr.length; aCount++) { arrinst[aCount] = []; for(var bCount = 0; bCount < arr[aCount].length; bCount++) { arrinst[aCount].push(arr[aCount][bCount]); } } return arrinst; }; var grid = instantiateArray(board); var gridSides = instantiateArray(sides); //gridPossibleMoves var gPossMoves = instantiateArray(possibleMoves); //replaceGridSquare var rGS = function(sX, sY, replaceWith){ var text1 = ""; for(var count1 = 0; count1 <= 8; count1++){ if(count1 === sX){ text1 = text1 + replaceWith; }else{ text1 = text1 + grid[sY][count1]; } } grid[sY] = text1; }; //replaceGridSidesSquare var rGSS = function(sX, sY, replaceWith){ var text1 = ""; for(var count1 = 0; count1 <= 8; count1++){ if(count1 === sX){ text1 = text1 + replaceWith; }else{ text1 = text1 + gridSides[sY][count1]; } } gridSides[sY] = text1; }; //replaceGPossMovesSQuare var rGPMS = function(sX, sY, replaceWith){ var text1 = ""; for(var count1 = 0; count1 <= 8; count1++){ if(count1 === sX){ text1 = text1 + replaceWith; }else{ text1 = text1 + gPossMoves[sY][count1]; } } gPossMoves[sY] = text1; }; var mOX, mOY;//mouseOver var showReferences = false; var pieces = function(piece, color){ switch(color){ case "w": fill(255, 255, 255, 150); break; case "b": fill(0, 0, 0, 150); break; default: fill(0, 0, 0, 0); } noStroke(); rect(7, 5, 36, 36, 5); switch(piece){ case "P": return pawn; case "N": return knight; case "B": return bishop; case "R": return rook; case "Q": return queen; case "K": return king; default : return getImage("cute/Blank"); } }; var pS = 40;//pieceSize var drawSquare = function(x, y){ if(x === sSX && y === sSY){ image(selectionSquare, 0, -30, 50, 100); }else if(x === 8 && y === 8){ //DY Logo scale(1/8, 1/8); noStroke(); fill(0, 174, 255, 200); rect(0, 0, 400, 400); fill(212, 89, 208); triangle(249, 200, 200, 125, 200, 275); strokeWeight(6); fill(84, 194, 109); stroke(158, 38, 38); bezier(50, 50, 275, 60, 275, 340, 50, 350); line(50, 51, 50, 349); strokeWeight(5); stroke(81, 81, 173); line(150, 50, 248, 197); line(350, 50, 250, 200); line(150, 350, 250, 200); noStroke(); fill(255, 208, 66, 150); triangle(170, 50, 330, 50, 250, 170); fill(255, 188, 117, 150); triangle(350, 70, 170, 350, 350, 350); }else if((x + y) % 2 === 0){ image(whiteSquare, 0, -30, 50, 100); }else{ image(blackSquare, 0, -30, 50, 100); } }; var drawArrow = function(x, y){ pushMatrix(); translate(-25, -25); scale(50, 50); stroke(255, 140, 0); strokeWeight(0.08); line(mOX, mOY, sSX, sSY); fill(0, 255, 0, 50); fill(255, 140, 0); ellipse(mOX, mOY, 0.32, 0.32); popMatrix(); }; var drawPiece = function(x, y){ image(pieces(grid[y][x], gridSides[y][x]), -(pS / 2 - 25), -(pS / 2 - 20), pS, pS); if(showReferences){ fill(0); textAlign(CENTER, CENTER); //text(gridSides[y][x] + grid[y][x], 25, 25); text(gPossMoves[y][x], 25, 25); } }; var whiteKingHasMoved = false; var blackKingHasMoved = false; var whiteKingSideRookHasMoved = false; var whiteQueenSideRookHasMoved = false; var blackKingSideRookHasMoved = false; var blackQueenSideRookHasMoved = false; var cAPBS = function(x, y){//checkAndPushBlankSquare if(x >= 0 & x <= 8 & y >= 0 & y <= 8){ if(grid[y][x] === "."){ rGPMS(x, y, "1"); return true; } return false; } }; var cAPES = function(x, y){//checkAndPushEnemySquare if(x >= 0 & x <= 8 & y >= 0 & y <= 8){ if(gridSides[y][x] && gridSides[y][x] === opponent){ rGPMS(x, y, "1"); return true; } return false; } }; var cAP = function(x, y){ if(cAPBS(x, y) \| cAPES(x, y)){ return true; } return false; }; var assessPossibleMoves = function(){ gPossMoves = instantiateArray(possibleMoves); switch(grid[sSY][sSX]){ case "P": var yInvertBySide = currentMove === "w" ? -1 : 1; //1 space forward if(cAPBS(sSX, sSY + yInvertBySide)){ //2 spaces forward if(sSY === 7 && currentMove === "w"){ cAPBS(sSX, sSY - 2); } if(sSY === 2 && currentMove === "b"){ cAPBS(sSX, sSY + 2); } } //Attack 1 space diagonally cAPES(sSX - 1, sSY + yInvertBySide); cAPES(sSX + 1, sSY + yInvertBySide); break; case "N": //8 possible moves cAP(sSX - 1, sSY - 2); cAP(sSX + 1, sSY - 2); cAP(sSX - 1, sSY + 2); cAP(sSX + 1, sSY + 2); cAP(sSX - 2, sSY - 1); cAP(sSX + 2, sSY - 1); cAP(sSX - 2, sSY + 1); cAP(sSX + 2, sSY + 1); break; case "B": for(var bFor1 = 1; bFor1 <= 8; bFor1++){ if(!cAPBS(sSX - bFor1, sSY - bFor1)){ cAPES(sSX - bFor1, sSY - bFor1); break; } } for(var bFor2 = 1; bFor2 <= 8; bFor2++){ if(!cAPBS(sSX + bFor2, sSY - bFor2)){ cAPES(sSX + bFor2, sSY - bFor2); break; } } for(var bFor3 = 1; bFor3 <= 8; bFor3++){ if(!cAPBS(sSX - bFor3, sSY + bFor3)){ cAPES(sSX - bFor3, sSY + bFor3); break; } } for(var bFor4 = 1; bFor4 <= 8; bFor4++){ if(!cAPBS(sSX + bFor4, sSY + bFor4)){ cAPES(sSX + bFor4, sSY + bFor4); break; } } break; case "R": for(var rFor1 = 1; rFor1 <= 8; rFor1++){ if(!cAPBS(sSX - rFor1, sSY)){ cAPES(sSX - rFor1, sSY); break; } } for(var rFor2 = 1; rFor2 <= 8; rFor2++){ if(!cAPBS(sSX + rFor2, sSY)){ cAPES(sSX + rFor2, sSY); break; } } for(var rFor3 = 1; rFor3 <= 8; rFor3++){ if(!cAPBS(sSX, sSY - rFor3)){ cAPES(sSX, sSY - rFor3); break; } } for(var rFor4 = 1; rFor4 <= 8; rFor4++){ if(!cAPBS(sSX, sSY + rFor4)){ cAPES(sSX, sSY + rFor4); break; } } break; case "Q": for(var qFor1 = 1; qFor1 <= 8; qFor1++){ if(!cAPBS(sSX - qFor1, sSY - qFor1)){ cAPES(sSX - qFor1, sSY - qFor1); break; } } for(var qFor2 = 1; qFor2 <= 8; qFor2++){ if(!cAPBS(sSX + qFor2, sSY - qFor2)){ cAPES(sSX + qFor2, sSY - qFor2); break; } } for(var qFor3 = 1; qFor3 <= 8; qFor3++){ if(!cAPBS(sSX - qFor3, sSY + qFor3)){ cAPES(sSX - qFor3, sSY + qFor3); break; } } for(var qFor4 = 1; qFor4 <= 8; qFor4++){ if(!cAPBS(sSX + qFor4, sSY + qFor4)){ cAPES(sSX + qFor4, sSY + qFor4); break; } } for(var qFor5 = 1; qFor5 <= 8; qFor5++){ if(!cAPBS(sSX - qFor5, sSY)){ cAPES(sSX - qFor5, sSY); break; } } for(var qFor6 = 1; qFor6 <= 8; qFor6++){ if(!cAPBS(sSX + qFor6, sSY)){ cAPES(sSX + qFor6, sSY); break; } } for(var qFor7 = 1; qFor7 <= 8; qFor7++){ if(!cAPBS(sSX, sSY - qFor7)){ cAPES(sSX, sSY - qFor7); break; } } for(var qFor8 = 1; qFor8 <= 8; qFor8++){ if(!cAPBS(sSX, sSY + qFor8)){ cAPES(sSX, sSY + qFor8); break; } } break; case "K": cAP(sSX - 1, sSY - 1); cAP(sSX - 1, sSY); cAP(sSX + 1, sSY - 1); cAP(sSX, sSY + 1); cAP(sSX + 1, sSY + 1); cAP(sSX + 1, sSY); cAP(sSX - 1, sSY + 1); cAP(sSX, sSY - 1); if(currentMove === "w" && !whiteKingHasMoved){ //White Queen Side Castle if(grid[8][2] === "." & grid[8][3] === "." & grid[8][4] === "." && !whiteQueenSideRookHasMoved){ cAPBS(3, 8); } //White King Side Castle if(grid[8][6] === "." & grid[8][7] === "." && !whiteKingSideRookHasMoved){ cAPBS(7, 8); } }else if(currentMove === "b" && !blackKingHasMoved){ //Black Queen Side Castle if(grid[1][2] === "." & grid[1][3] === "." & grid[1][4] === "." && !blackQueenSideRookHasMoved){ cAPBS(3, 1); } //Black King Side Castle if(grid[1][6] === "." & grid[1][7] === "." && !blackKingSideRookHasMoved){ cAPBS(7, 1); } } break; } }; var showPossibleMoves = function(x, y){ fill(255); if(gPossMoves[y][x] === "1" && sSX && sSY){ image(getImage("cute/Selector"), 0, -56, 50, 105); } }; draw = function() { background(196); resetMatrix(); //translate(10, 10); //scale(9/10, 9/10); if(sSX && sSY){ assessPossibleMoves(); } for(var x = 1; x <= 8; x++){ for(var y = 1; y <= 8; y++){ mOX = mouseOverRect(x50-50,y50-50,50,50)?x:mOX; mOY = mouseOverRect(x50-50,y50-50,50,50)?y:mOY; pushMatrix(); translate(x 50 - 50, y * 50 - 50); drawSquare(x, y); showPossibleMoves(x, y); popMatrix(); } } if(sSX && sSY && sSX !== mOX \| sSY !== mOY){ drawArrow(); } for(var x1 = 1; x1 <= 8; x1++){ for(var y1 = 1; y1 <= 8; y1++){ pushMatrix(); translate(x1 * 50 - 50, y1 * 50 - 50); drawPiece(x1, y1); popMatrix(); } } translate(mOX * 50 - 50, mOY * 50 - 50); stroke(currentMove === "w" ? 255 : 0); strokeWeight(4); line(0, 0, 0, 10); line(0, 0, 10, 0); line(50, 0, 50, 10); line(50, 0, 40, 0); line(0, 50, 0, 40); line(0, 50, 10, 50); line(50, 50, 50, 40); line(50, 50, 40, 50); resetMatrix(); noFill(); stroke(currentMove === "w" ? 255 : 0); strokeWeight(2); ellipse(mouseX, mouseY, 4, 4); //Debugging Purposes Only textFont(loadFont("Arial Narrow", 30), 30); fill(0); textAlign(LEFT, CENTER); //text("Mouse Over: " + mOX + ", " + mOY, 5, 175); //text("Selected Square: " + sSX + ", " + sSY, 5, 225); //text(gPossMoves[1] + "\n" + gPossMoves[2] + "\n" + gPossMoves[3] + "\n" + gPossMoves[4] + "\n" + gPossMoves[5], 5, 225); }; keyPressed = function(){ if(keyCode === SHIFT){ showReferences = showReferences ? false : true; } }; mouseClicked = function(){ //Clicked on your own piece if(gridSides[mOY][mOX] === currentMove){ //If it was already selected if(sSX === mOX && sSY === mOY){ //Deselect it sSX = undefined; sSY = undefined; //If it wasn't already selected }else{ //Select it sSX = mOX; sSY = mOY; } //Clicked somewhere the selected piece can move }else if(gPossMoves[mOY][mOX] === "1"){ //Castling Conditions may change... if(grid[sSY][sSX] === "K"){ if(currentMove === "w"){ whiteKingHasMoved = true; }else if(currentMove === "b"){ blackKingHasMoved = true; } }else if(grid[sSY][sSX] === "R"){ if(currentMove === "w"){ if(sSX === 1){ whiteQueenSideRookHasMoved = true; }else if(sSX === 8){ whiteKingSideRookHasMoved = true; } }else if(currentMove === "b"){ if(sSX === 1){ blackQueenSideRookHasMoved = true; }else if(sSX === 8){ blackKingSideRookHasMoved = true; } } } //Clicked on the opponent's piece if(gridSides[mOY][mOX] === opponent){ //Send its ID to the list of captured pieces if(opponent === "w"){ wDP.push(grid[mOY][mOX]); }else{ bDP.push(grid[mOY][mOX]); } } //If castling, MOVE THE ROOK if(grid[sSY][sSX] === "K"){ if(currentMove === "w" && sSX === 5 && sSY === 8){ if(mOX === 3 && mOY === 8){ rGS(4, 8, "R"); rGSS(4, 8, "w"); rGS(1, 8, "."); rGSS(1, 8, "."); }else if(mOX === 7 && mOY === 8){ rGS(6, 8, "R"); rGSS(6, 8, "w"); rGS(8, 8, "."); rGSS(8, 8, "."); } }else if(currentMove === "b" && sSX === 5 && sSY === 1){ if(mOX === 3 && mOY === 1){ rGS(4, 1, "R"); rGSS(4, 1, "b"); rGS(1, 1, "."); rGSS(1, 1, "."); }else if(mOX === 7 && mOY === 1){ rGS(6, 1, "R"); rGSS(6, 1, "b"); rGS(8, 1, "."); rGSS(8, 1, "."); } } } //Replace the selected square with what you're moving rGS(mOX, mOY, grid[sSY][sSX]); rGSS(mOX, mOY, gridSides[sSY][sSX]); //Replace where it was with nothing rGS(sSX, sSY, "."); rGSS(sSX, sSY, "."); //Deselect sSX = undefined; sSY = undefined; //Switch the turn currentMove = currentMove === "w" ? "b" : "w"; opponent = opponent === "w" ? "b" : "w"; } };
Folds
Fork	false
Key	ag5zfmtoYW4tYWNhZGVteXIUCxIKU2NyYXRjaHBhZBiX3by_Bgw
Votes	260
Spin-Offs	54
Type	PJS
Width	400
Height	400
User Flagged	false
Origin Scratchpad	null
Hidden From Hotlist	false
Restricted Posting	false
By Child	false
Author Nick	DY
Author Name	darrylyeo
Author ID	kaid_436187987535602224909820
Author Profile Access	COACH

Archive Data

Added	6 months ago, 1739282838352
Updated	4 months ago, 1744845386832
Source Deleted	unknown