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L'effetto è il seguente:
Il codice è il seguente:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>
#canvasWrap{
larghezza: 600px;
altezza: 550px;
margine: 50px auto;
}
#currActive{
dimensione carattere: 20px;
peso carattere: bold;
/*allineamento testo: centro;*/
margine sinistro: 230px;
}
#canvas{
flottante: sinistra;
sfondo: #EAC591;
}
#panel{
larghezza: 80px;
padding: 10px;
float: right;
}
#ul{
list-style: none;
margin: 0;
padding: 0;
}
#ul li{
padding: 2px;
}
</style>
<script src="http://libs.baidu.com/jquery/1.9.1/jquery.min.js"></script>
</head>
<body>
<div id="canvasWrap">
<div id="currActive"></div>
<canvas id="canvas" width="500" height="550"></canvas>
<div id="panel">
<ul id="ul"></ul>
</div>
</div>
<script>
var obj = {};
// 初始化
obj.init = function(args){
var canvas = document.getElementById("canvas");
this.ctx = canvas.getContext("2d");
// this.chunk =args&&args.chunk?args.chunk:50;
// this.radius =args&&args.radius?args.radius:23;
// this.CandidateCircleR =args&&args.ccr?args.ccr:5;
this.radius = 23;
this.chunk =50;
this.CandidateCircleR = 5;
$("#currActive").text("rosso");
this.steps = []; // 记录步骤
this.currActive = "red"; // 先手
this.init_back();
this.init_chess();
$(canvas).unbind();
this.addEvent();
}
// 初始化棋盘
obj.init_back = function(){
this.drawRowLine();
this.drawColLine();
this.ctx.clearRect(this.chunk+1, this.chunk*5+1, this.chunk*8-2, this.chunk-2);
this.drawsharpS();
this.drawX();
this.drawText();
}
// 初始化棋子
obj.init_chess = function(){
var Car_b1 = {x:1,y:1,text:"車"}
var Horse_b1 = {x:2,y:1,text:"馬"}
var Elephant_b1 = {x:3,y:1,text:"象"}
var Scholar_b1 = {x:4,y:1,text:"士"}
var Boss_b = {x:5,y:1,text:"将"}
var Scholar_b2 = {x:6,y:1,text:"士"}
var Elephant_b2 = {x:7,y:1,text:"象"}
var Horse_b2 = {x:8,y:1,text:"馬"}
var Car_b2 = {x:9,y:1,text:"車"}
var Cannon_b1 = {x:2,y:3,text:"炮"}
var Cannon_b2 = {x:8,y:3,text:"炮"}
var Soldier_b1 = {x:1,y:4,text:"卒"}
var Soldier_b2 = {x:3,y:4,text:"卒"}
var Soldier_b3 = {x:5,y:4,text:"卒"}
var Soldier_b4 = {x:7,y:4,text:"卒"}
var Soldier_b5 = {x:9,y:4,text:"卒"}
var Car_r1 = {x:1,y:10,text:"車"}
var Horse_r1 = {x:2,y:10,text:"馬"}
var Elephant_r1 = {x:3,y:10,text:"相"}
var Scholar_r1 = {x:4,y:10,text:"仕"}
var Boss_r = {x:5,y:10,text:"帅"}
var Scholar_r2 = {x:6,y:10,text:"仕"}
var Elephant_r2 = {x:7,y:10,text:"相"}
var Horse_r2 = {x:8,y:10,text:"馬"}
var Car_r2 = {x:9,y:10,text:"車"}
var Cannon_r1 = {x:2,y:8,text:"炮"}
var Cannon_r2 = {x:8,y:8,text:"炮"}
var Soldier_r1 = {x:1,y:7,text:"兵"}
var Soldier_r2 = {x:3,y:7,text:"兵"}
var Soldier_r3 = {x:5,y:7,text:"兵"}
var Soldier_r4 = {x:7,y:7,text:"兵"}
var Soldier_r5 = {x:9,y:7,text:"兵"}
this.cheer_arr_B = [Car_b1, Horse_b1, Elephant_b1, Scholar_b1, Boss_b, Scholar_b2, Elephant_b2, Horse_b2, Car_b2,
Cannon_b1, Cannon_b2, Soldier_b1, Soldier_b2, Soldier_b3, Soldier_b4, Soldier_b5];
this.cheer_arr_R = [Car_r1, Horse_r1, Elephant_r1, Scholar_r1, Boss_r, Scholar_r2, Elephant_r2, Horse_r2, Car_r2,
Cannon_r1, Cannon_r2, Soldier_r1, Soldier_r2, Soldier_r3, Soldier_r4, Soldier_r5];
var that = this;
$.each(this.cheer_arr_B, function(i, e) {
e.color = "#000";
e.bgcolor = "#fff";
e.bgColor_b = "#000";
e.type = "black";
that.drawPiece(e);
that.drawChessText(e);
});
$.each(this.cheer_arr_R, function(i, e) {
e.color = "#f00";
e.bgcolor = "#fff";
e.bgColor_b = "#f00";
e.type = "red";
that.drawPiece(e);
that.drawChessText(e);
});
this.cheer_arr_ALL = this.cheer_arr_B.concat(this.cheer_arr_R);
}
// Aggiorna la partita di scacchi
obj.updateChess = function() {
this.ctx.clearRect(0, 0, canvas.width, canvas.height);
this.init_back();
var that = this;
$.each(this.cheer_arr_ALL,function(i,e){
that.drawPiece(e);
that.drawChessText(e);
});
$("#ul").empty();
$.each(this.steps,function(iii,eee){
$("#ul").append("<li>"+eee+"</li>");
});
}
// disegna linea orizzontale
obj.drawRowLine = function(){
for(var i =1;i<=10;i++){
this.drawLine(1,i,9,i);
}
}
// disegna linea verticale
obj.drawColLine = function(){
for(var i =1;i<=9;i++){
this.drawLine(i,1,i,10);
}
}
// disegna linea
obj.drawLine = function(x0,y0,x1,y1,lw){
var x0 = x0*this.chunk;
var y0 = y0*this.chunk;
var x1 = x1*this.chunk;
var y1 = y1*this.chunk;
this.ctx.beginPath();
this.ctx.strokeStyle = “#000”;
this.ctx.lineWidth = lw?lw:1;
this.ctx.moveTo(x0,y0);
this.ctx.lineTo(x1,y1);
this.ctx.stroke();
this.ctx.closePath();
}
// disegna #
obj.drawsharpS = function(){
this.round(2,3);
this.round(8,3);
this.round(1,4);
this.round(3,4);
this.round(5,4);
this.round(7,4);
this.round(9,4);
this.round(2,8);
this.round(8,8);
this.round(1,7);
this.round(3,7);
this.round(5,7);
this.round(7,7);
this.round(9,7);
}
// disegna singolo #
obj.round = function(x0,y0){
var x0 = x0*this.chunk;
var y0 = y0*this.chunk;
this.ctx.beginPath();
this.ctx.strokeStyle = “#000”;
this.ctx.lineWidth = 1;
if(x0!=this.chunk){
// sinistra in alto
this.ctx.moveTo(x0-5,y0-10);
this.ctx.lineTo(x0-5,y0-5);
this.ctx.lineTo(x0-10,y0-5);
// 左下
this.ctx.moveTo(x0-5,y0+10);
this.ctx.lineTo(x0-5,y0+5);
this.ctx.lineTo(x0-10,y0+5);
}
if(x0!=this.chunk*9){
// 右上
this.ctx.moveTo(x0+5,y0-10);
this.ctx.lineTo(x0+5,y0-5);
this.ctx.lineTo(x0+10,y0-5);
// 右下
this.ctx.moveTo(x0+5,y0+10);
this.ctx.lineTo(x0+5,y0+5);
this.ctx.lineTo(x0+10,y0+5);
}
this.ctx.stroke();
this.ctx.closePath();
}
// 画X
obj.drawX = function(){
this.drawLine(4,1,6,3,0.5);
this.drawLine(4,3,6,1,0.5);
this.drawLine(4,8,6,10,0.5);
this.drawLine(4,10,6,8,0.5);
}
// 画楚河/漢界
obj.drawText = function(){
this.ctx.font = "bold 30px Courier New";
this.ctx.fillStyle = "#000";
this.ctx.fillText("楚 河", this.chunk*2, this.chunk*5+this.chunk/2+10);
this.ctx.fillText("漢 界", this.chunk*6, this.chunk*5+this.chunk/2+10);
this.ctx.font = "12px Courier New";
this.text_arr =["九","八","七","六","五","四","三","二","一"];
for(var i=0;i<9;i++){
this.ctx.fillText((i+1).toString(), this.chunk*(i+1)-5, 20);
this.ctx.fillText(this.text_arr[i], this.chunk*(i+1)-5, this.chunk*10+30+10);
}
}
// 画棋子形状
obj.drawPiece = function(e){
this.ctx.beginPath();
this.ctx.fillStyle =e.bgcolor;
this.ctx.strokeStyle = e.bgColor_b;
this.ctx.lineWidth =2;
this.ctx.arc(e.x*this.chunk, e.y*this.chunk, this.radius, 0, Math.PI * 2, true);
this.ctx.closePath();
this.ctx.fill();
this.ctx.stroke();
}
// 画棋子文字
obj.drawChessText = function(e){
this.ctx.font = "bold 30px Courier New";
this.ctx.fillStyle = e.color;
var offset = this.ctx.measureText(e.text).width/2;
this.ctx.fillText(e.text, e.x*this.chunk-offset, e.y*this.chunk+10);
}
// 增加点击事件
obj.addEvent = function(){
var that = this;
this.checked = false;
$(canvas).on("mousedown",function(ev){
for(var j=1;j<=10;j++){
for(var i=1;i<=9;i++){
var temp_i = i*that.chunk;
var temp_j = j*that.chunk;
var distanct = Math.sqrt(Math.pow(temp_i-ev.offsetX,2)+Math.pow(temp_j-ev.offsetY,2));
if(distanct<=that.radius){
var overChess = false;
$.each(that.cheer_arr_ALL,function(ii,ee){
if(ee.x ==i&&ee.y==j){
overChess = true;
var p ={x:ee.x,y:ee.y};
// console.log(that.checked);
if(that.currActive != ee.type&&!that.checked){
return false;
}
if(!that.checked){
// console.log("选中一个棋子");
that.drawCandidate();
// 是否能吃子
if(that.Eat_rule(i,j)){
// console.log("点在原棋子上");
}else if(that.preChess.type == ee.type){
// console.log("切换棋子");
that.updateChess();
that.checked = false;
that.drawChecked(p);
that.preChess = ee;
that.updateChess();
that.drawCandidate();
// 是否能吃子
if(that.Eat_rule(i,j)){
}
else if(that.preChess.text == "帅"){ // 对将
}
that.eat(ii,ee,i,j);
if(eee.text == "将"){
if(that.preChess.x == i){
var canEat =true;
$.each(that.cheer_arr_ALL, function(iii, eee){
if(eee.x ==that.preChess.x&&eee.y==j){
for(var t=that.preChess.y-1;t>j;t--){
else if(that.preChess.text == "将"){
if(that.inArray(that.preChess.x,t)){
canEat = false;
break;
}
}
}
canEat = false;
}
return false;
}
});
if(canEat){
that.eat(ii,ee,i,j);
}
}
}
if(that.preChess.x == i){
var canEat =true;
$.each(that.cheer_arr_ALL, function(iii, eee){
if(eee.x ==that.preChess.x&&eee.y==j){
if(eee.text == "帅"){
for(var t=that.preChess.y+1;t<j;t++){
if(that.inArray(that.preChess.x,t)){
canEat = false;
break;
}
}
}
canEat = false;
}
return false;
}
});
if(canEat){
that.eat(ii,ee,i,j);
}
}
}
}
return false;
}
});
if(overChess){
// alert("点在棋子上");
}
// 是否能移动
if(that.checked&&that.Move_rule(i,j)){
// console.log("移动棋子");
that.move(i,j);
}
}
}
}
}
});
}
// 记谱
obj.note = function(ee,i,j){
var distance = Math.abs(ee.y-j);
var step;
if(ee.type=="red"){
$("#currActive").text("黑方");
var oldP = this.text_arr[ee.x-1];
var newP = this.text_arr[i-1];
var num = this.text_arr[9-distance];
if(j<ee.y){
if(ee.x == i){
console.log(ee.text+oldP+"进"+num);
step = ee.text+oldP+"进"+num;
}
console.log(ee.text+oldP+"进"+newP);
step = ee.text+oldP+"进"+newP;
}
}else if(j>ee.y){
if(ee.x == i){
console.log(ee.text+oldP+"退"+num);
step = ee.text+oldP+"退"+num;
}
console.log(ee.text+oldP+"退"+newP);
step = ee.text+oldP+"退"+newP;
}
}
console.log(ee.text+oldP+"平"+newP);
step = ee.text+oldP+"平"+newP;
}
}
$("#currActive").text("rosso");
if(j>ee.y){
if(ee.x == i){
console.log(ee.text+ee.x+"进"+distance);
step = ee.text+ee.x+"进"+distance
}
console.log(ee.text+ee.x+"进"+i);
step = ee.text+ee.x+"进"+i;
}
}else if(j<ee.y){
if(ee.x == i){
console.log(ee.text+ee.x+"退"+distance);
step = ee.text+ee.x+"退"+distance;
}
console.log(ee.text+ee.x+"退"+i);
step = ee.text+ee.x+"退"+i;
}
}
console.log(ee.text+ee.x+"平"+i);
step = ee.text+ee.x+"平"+i;
}
}
this.steps.push(step);
}
// 是否结束
obj.isOver = function(ee){
if(ee.text == "将"){
alert("hai vinto");
$("#ul").empty();
return true;
}else if(ee.text == "帅"){
alert("hai perso");
$("#ul").empty();
return true;
}
return false;
}
}
// 吃子
obj.eat = function(ii, ee, i, j){
this.cheer_arr_ALL.splice(ii, 1);
this.move(i, j);
if(this.isOver(ee)){
this.ctx.clearRect(0, 0, canvas.width, canvas.height);
this.init();
return false;
};
}
// 移动
obj.move = function(i, j){
var that = this;
$.each(that.cheer_arr_ALL, function(iii, eee){
if(eee.x == that.preChess.x && eee.y == that.preChess.y){
that.note(eee, i, j);
eee.x = i;
eee.y = j;
that.currActive = eee.type == "red" ? "black" : "red";
return false;
}
});
that.updateChess();
that.checked = false;
}
// 绘制选中棋子状态
obj.drawChecked = function(p){
var temp_x = p.x * this.chunk;
var temp_y = p.y * this.chunk;
this.ctx.beginPath();
this.ctx.strokeStyle = "#00f";
this.ctx.lineWidth = 1;
this.ctx.moveTo(temp_x-this.radius, temp_y-this.radius+10);
this.ctx.lineTo(temp_x-this.radius, temp_y-this.radius);
this.ctx.lineTo(temp_x-this.radius+10, temp_y-this.radius);
this.ctx.moveTo(temp_x-this.radius, temp_y+this.radius-10);
this.ctx.lineTo(temp_x-this.radius, temp_y+this.radius);
this.ctx.lineTo(temp_x-this.radius+10, temp_y+this.radius);
this.ctx.moveTo(temp_x+this.radius,temp_y-this.radius+10);
this.ctx.lineTo(temp_x+this.radius,temp_y-this.radius);
this.ctx.lineTo(temp_x+this.radius-10,temp_y-this.radius);
this.ctx.moveTo(temp_x+this.radius,temp_y+this.radius-10);
this.ctx.lineTo(temp_x+this.radius,temp_y+this.radius);
this.ctx.lineTo(temp_x+this.radius-10,temp_y+this.radius);
this.ctx.stroke();
this.ctx.closePath();
}
// 画候选位置
obj.drawCandidate = function(){
switch(this.preChess.text){
case ‘車’:
var temp_y = this.preChess.y;
while(!this.inArray(this.preChess.x,++temp_y)&&temp_y<=10){
this.drawCandidateCircle(this.preChess.x,temp_y);
}
var temp_y = this.preChess.y;
while(!this.inArray(this.preChess.x,--temp_y)&&temp_y>0){
this.drawCandidateCircle(this.preChess.x,temp_y);
}
var temp_x = this.preChess.x;
while(!this.inArray(++temp_x,this.preChess.y)&&temp_x<10){
this.drawCandidateCircle(temp_x,this.preChess.y);
}
var temp_x = this.preChess.x;
while(!this.inArray(--temp_x,this.preChess.y)&&temp_x>0){
this.drawCandidateCircle(temp_x,this.preChess.y);
}
break;
case ‘馬’:
if(!this.inArray(this.preChess.x-2,this.preChess.y-1)
&&this.preChess.x-2>=1&&this.preChess.y-1>=1
&&!this.inArray(this.preChess.x-1,this.preChess.y)){
this.drawCandidateCircle(this.preChess.x-2,this.preChess.y-1);
}
if(!this.inArray(this.preChess.x-1,this.preChess.y-2)
&&this.preChess.x-1>=1&&this.preChess.y-2>=1
&&!this.inArray(this.preChess.x,this.preChess.y-1)){
this.drawCandidateCircle(this.preChess.x-1,this.preChess.y-2);
}
if(!this.inArray(this.preChess.x+1,this.preChess.y-2)
&&this.preChess.x+1<=9&&this.preChess.y-2>=1
&&!this.inArray(this.preChess.x,this.preChess.y-1)){
this.drawCandidateCircle(this.preChess.x+1,this.preChess.y-2);
}
if(!this.inArray(this.preChess.x+2,this.preChess.y-1)
&&this.preChess.x+2<=9&&this.preChess.y-1>=1
&&!this.inArray(this.preChess.x+1,this.preChess.y)){
this.drawCandidateCircle(this.preChess.x+2,this.preChess.y-1);
}
if(!this.inArray(this.preChess.x+2,this.preChess.y+1)
&&this.preChess.x+2<=9&&this.preChess.y+1<=10
&&!this.inArray(this.preChess.x+1,this.preChess.y)){
this.drawCandidateCircle(this.preChess.x+2,this.preChess.y+1);
}
if(!this.inArray(this.preChess.x+1,this.preChess.y+2)
&&this.preChess.x+1<=9&&this.preChess.y+2<=10
&&!this.inArray(this.preChess.x,this.preChess.y+1)){
this.drawCandidateCircle(this.preChess.x+1,this.preChess.y+2);
}
if(!this.inArray(this.preChess.x-1,this.preChess.y+2)
&&this.preChess.x-1>=1&&this.preChess.y+2<=10
&&!this.inArray(this.preChess.x,this.preChess.y+1)){
this.drawCandidateCircle(this.preChess.x-1,this.preChess.y+2);
}
if(!this.inArray(this.preChess.x-2,this.preChess.y+1)
&&this.preChess.x-2>=1&&this.preChess.y+1<=10
&&!this.inArray(this.preChess.x-1,this.preChess.y)){
this.drawCandidateCircle(this.preChess.x-2,this.preChess.y+1);
}
break;
case ‘相’:
altrimenti se(this.preChess.y==6){
se(!this.inArray(this.preChess.x-2, this.preChess.y-2)){
&&!this.inArray(this.preChess.x-1, this.preChess.y-1)){
this.disegnaCerchioCandidato(this.preChess.x-2, this.preChess.y-2);
}
se(!this.inArray(this.preChess.x+2, this.preChess.y-2)){
&&!this.inArray(this.preChess.x+1, this.preChess.y-1)){
this.disegnaCerchioCandidato(this.preChess.x+2, this.preChess.y-2);
}
}
se(!this.inArray(this.preChess.x-2, this.preChess.y+2)){
&&!this.inArray(this.preChess.x-1, this.preChess.y+1)){
this.disegnaCerchioCandidato(this.preChess.x-2, this.preChess.y+2);
}
se(!this.inArray(this.preChess.x+2, this.preChess.y+2)){
&&!this.inArray(this.preChess.x+1, this.preChess.y+1)){
this.disegnaCerchioCandidato(this.preChess.x+2, this.preChess.y+2);
}
}altrimenti se(this.preChess.x==1){
se(!this.inArray(this.preChess.x+2, this.preChess.y-2)){
&&!this.inArray(this.preChess.x+1, this.preChess.y-1)){
this.disegnaCerchioCandidato(this.preChess.x+2, this.preChess.y-2);
}
se(!this.inArray(this.preChess.x+2, this.preChess.y+2)){
&&!this.inArray(this.preChess.x+1, this.preChess.y+1)){
this.disegnaCerchioCandidato(this.preChess.x+2, this.preChess.y+2);
}
}altrimenti se(this.preChess.x==9){
se(!this.inArray(this.preChess.x-2, this.preChess.y-2)){
&&!this.inArray(this.preChess.x-1, this.preChess.y-1)){
this.disegnaCerchioCandidato(this.preChess.x-2, this.preChess.y-2);
}
se(!this.inArray(this.preChess.x-2, this.preChess.y+2)){
&&!this.inArray(this.preChess.x-1, this.preChess.y+1)){
this.disegnaCerchioCandidato(this.preChess.x-2, this.preChess.y+2);
}
}
se(!this.inArray(this.preChess.x+2, this.preChess.y-2)){
&&!this.inArray(this.preChess.x+1, this.preChess.y-1)){
this.disegnaCerchioCandidato(this.preChess.x+2, this.preChess.y-2);
}
se(!this.inArray(this.preChess.x+2, this.preChess.y+2)){
&&!this.inArray(this.preChess.x+1, this.preChess.y+1)){
this.disegnaCerchioCandidato(this.preChess.x+2, this.preChess.y+2);
}
se(!this.inArray(this.preChess.x-2, this.preChess.y-2)){
&&!this.inArray(this.preChess.x-1, this.preChess.y-1)){
this.disegnaCerchioCandidato(this.preChess.x-2, this.preChess.y-2);
}
se(!this.inArray(this.preChess.x-2, this.preChess.y+2)){
&&!this.inArray(this.preChess.x-1, this.preChess.y+1)){
this.disegnaCerchioCandidato(this.preChess.x-2, this.preChess.y+2);
}
}
break;
case ‘象’:
se(this.preChess.y==1){
se(!this.inArray(this.preChess.x-2, this.preChess.y+2)){
&&!this.inArray(this.preChess.x-1, this.preChess.y+1)){
this.disegnaCerchioCandidato(this.preChess.x-2, this.preChess.y+2);
}
se(!this.inArray(this.preChess.x+2, this.preChess.y+2)){
&&!this.inArray(this.preChess.x+1, this.preChess.y+1)){
this.disegnaCerchioCandidato(this.preChess.x+2, this.preChess.y+2);
}
}altrimenti se(this.preChess.y==5){
se(!this.inArray(this.preChess.x-2, this.preChess.y-2)){
&&!this.inArray(this.preChess.x-1, this.preChess.y-1)){
this.disegnaCerchioCandidato(this.preChess.x-2, this.preChess.y-2);
}
se(!this.inArray(this.preChess.x+2, this.preChess.y-2)){
&&!this.inArray(this.preChess.x+1, this.preChess.y-1)){
this.disegnaCerchioCandidato(this.preChess.x+2, this.preChess.y-2);
}
}altrimenti se(this.preChess.x==1){
se(!this.inArray(this.preChess.x+2, this.preChess.y-2)){
&&!this.inArray(this.preChess.x+1, this.preChess.y-1)){
this.disegnaCerchioCandidato(this.preChess.x+2, this.preChess.y-2);
}
se(!this.inArray(this.preChess.x+2, this.preChess.y+2)){
&&!this.inArray(this.preChess.x+1, this.preChess.y+1)){
this.disegnaCerchioCandidato(this.preChess.x+2, this.preChess.y+2);
}
}altrimenti se(this.preChess.x==9){
se(!this.inArray(this.preChess.x-2, this.preChess.y-2)){
&&!this.inArray(this.preChess.x-1, this.preChess.y-1)){
this.disegnaCerchioCandidato(this.preChess.x-2, this.preChess.y-2);
}
se(!this.inArray(this.preChess.x-2, this.preChess.y+2)){
&&!this.inArray(this.preChess.x-1, this.preChess.y+1)){
this.disegnaCerchioCandidato(this.preChess.x-2, this.preChess.y+2);
}
}
se(!this.inArray(this.preChess.x+2, this.preChess.y-2)){
&&!this.inArray(this.preChess.x+1, this.preChess.y-1)){
this.disegnaCerchioCandidato(this.preChess.x+2, this.preChess.y-2);
}
se(!this.inArray(this.preChess.x+2, this.preChess.y+2)){
&&!this.inArray(this.preChess.x+1, this.preChess.y+1)){
this.disegnaCerchioCandidato(this.preChess.x+2, this.preChess.y+2);
}
se(!this.inArray(this.preChess.x-2, this.preChess.y-2)){
&&!this.inArray(this.preChess.x-1, this.preChess.y-1)){
this.disegnaCerchioCandidato(this.preChess.x-2, this.preChess.y-2);
}
se(!this.inArray(this.preChess.x-2, this.preChess.y+2)){
&&!this.inArray(this.preChess.x-1, this.preChess.y+1)){
this.disegnaCerchioCandidato(this.preChess.x-2, this.preChess.y+2);
}
}
break;
case ‘仕’:
if(this.preChess.x==5&&this.preChess.y==9){
se(!this.inArray(this.preChess.x-1, this.preChess.y-1)){
this.disegnaCerchioCandidato(this.preChess.x-1, this.preChess.y-1);
}
if(!this.inArray(this.preChess.x-1, this.preChess.y+1)){
this.disegnaCerchioCandidato(this.preChess.x-1, this.preChess.y+1);
}
if(!this.inArray(this.preChess.x+1, this.preChess.y-1)){
this.disegnaCerchioCandidato(this.preChess.x+1, this.preChess.y-1);
}
if(!this.inArray(this.preChess.x+1, this.preChess.y+1)){
this.disegnaCerchioCandidato(this.preChess.x+1, this.preChess.y+1);
}
}
this.disegnaCerchioCandidato(5, 9);
}
break;
case ‘士’:
if(this.preChess.x==5&&this.preChess.y==2){
se(!this.inArray(this.preChess.x-1, this.preChess.y-1)){
this.disegnaCerchioCandidato(this.preChess.x-1, this.preChess.y-1);
}
if(!this.inArray(this.preChess.x-1, this.preChess.y+1)){
this.disegnaCerchioCandidato(this.preChess.x-1, this.preChess.y+1);
}
if(!this.inArray(this.preChess.x+1, this.preChess.y-1)){
this.disegnaCerchioCandidato(this.preChess.x+1, this.preChess.y-1);
}
if(!this.inArray(this.preChess.x+1, this.preChess.y+1)){
this.disegnaCerchioCandidato(this.preChess.x+1, this.preChess.y+1);
}
}
this.disegnaCerchioCandidato(5, 2);
}
break;
case ‘帅’:
if(!this.inArray(this.preChess.x, this.preChess.y-1) && this.preChess.y>8){
this.disegnaCerchioCandidato(this.preChess.x, this.preChess.y-1);
}
if(!this.inArray(this.preChess.x,this.preChess.y+1)&&this.preChess.y<10){
this.drawCandidateCircle(this.preChess.x,this.preChess.y+1);
}
if(!this.inArray(this.preChess.x-1, this.preChess.y) && this.preChess.x>4){
this.drawCandidateCircle(this.preChess.x-1,this.preChess.y);
}
if(!this.inArray(this.preChess.x+1, this.preChess.y) && this.preChess.x<6){
this.drawCandidateCircle(this.preChess.x+1,this.preChess.y);
}
break;
case ‘将’:
if(!this.inArray(this.preChess.x, this.preChess.y-1) && this.preChess.y>1){
this.disegnaCerchioCandidato(this.preChess.x, this.preChess.y-1);
}
if(!this.inArray(this.preChess.x, this.preChess.y+1) && this.preChess.y<3){
this.drawCandidateCircle(this.preChess.x,this.preChess.y+1);
}
if(!this.inArray(this.preChess.x-1, this.preChess.y) && this.preChess.x>4){
this.drawCandidateCircle(this.preChess.x-1,this.preChess.y);
}
if(!this.inArray(this.preChess.x+1, this.preChess.y) && this.preChess.x<6){
this.drawCandidateCircle(this.preChess.x+1,this.preChess.y);
}
break;
caso "Pezzo":
if(this.preChess.y>5 && !this.inArray(this.preChess.x, this.preChess.y-1)){
this.disegnaCerchioCandidato(this.preChess.x, this.preChess.y-1);
}
if(!this.inArray(this.preChess.x, this.preChess.y-1) && this.preChess.y>1){
this.disegnaCerchioCandidato(this.preChess.x, this.preChess.y-1);
}
if(!this.inArray(this.preChess.x-1,this.preChess.y)&&this.preChess.x>1){
this.drawCandidateCircle(this.preChess.x-1,this.preChess.y);
}
if(!this.inArray(this.preChess.x+1,this.preChess.y)&&this.preChess.x<9){
this.drawCandidateCircle(this.preChess.x+1,this.preChess.y);
}
}
break;
caso "Pezzo":
if(this.preChess.y<=5&&!this.inArray(this.preChess.x,this.preChess.y+1)){
this.drawCandidateCircle(this.preChess.x,this.preChess.y+1);
} else if(this.preChess.y>5){
if(!this.inArray(this.preChess.x,this.preChess.y+1)&&this.preChess.y<10){
this.drawCandidateCircle(this.preChess.x,this.preChess.y+1);
}
if(!this.inArray(this.preChess.x-1,this.preChess.y)&&this.preChess.x>1){
this.drawCandidateCircle(this.preChess.x-1,this.preChess.y);
}
if(!this.inArray(this.preChess.x+1,this.preChess.y)&&this.preChess.x<9){
this.drawCandidateCircle(this.preChess.x+1,this.preChess.y);
}
}
break;
caso "Cannone":
var temp_y = this.preChess.y;
while(!this.inArray(this.preChess.x,++temp_y)&&temp_y<=10){
this.drawCandidateCircle(this.preChess.x,temp_y);
}
var temp_y = this.preChess.y;
while(!this.inArray(this.preChess.x,--temp_y)&&temp_y>0){
this.drawCandidateCircle(this.preChess.x,temp_y);
}
var temp_x = this.preChess.x;
while(!this.inArray(++temp_x,this.preChess.y)&&temp_x<10){
this.drawCandidateCircle(temp_x,this.preChess.y);
}
var temp_x = this.preChess.x;
while(!this.inArray(--temp_x,this.preChess.y)&&temp_x>0){
this.drawCandidateCircle(temp_x,this.preChess.y);
}
break;
}
}
// Disegna la forma candidata
obj.drawCandidateCircle = function(x,y){
this.ctx.beginPath();
this.ctx.fillStyle =“#eee”;
this.ctx.strokeStyle = “#000”;
this.ctx.lineWidth =2;
this.ctx.arc(x*this.chunk, y*this.chunk, this.CandidateCircleR, 0, Math.PI * 2, true);
// this.ctx.translate(x*this.chunk,y*this.chunk);
// this.ctx.rotate(45*Math.PI/180);
// this.ctx.translate(1*this.chunk,1*this.chunk);//设置画布上的(0,0)位置，也就是旋转的中心点
// this.ctx.rotate(1*Math.PI/180);
// this.ctx.fillRect(x*this.chunk-5,y*this.chunk-5,10,10);
this.ctx.closePath();
this.ctx.fill();
this.ctx.stroke();
}
// 棋子移动规则
obj.Move_rule = function(i,j){
switch(this.preChess.text){
case ‘車’:
return this.rule_Car(i,j);
case ‘馬’:
return this.rule_Horse(i,j);
case ‘相’:
return this.rule_Elephant_r(i,j);
case ‘象’:
return this.rule_Elephant_b(i,j);
case ‘仕’:
return this.rule_Scholar_r(i,j);
case ‘士’:
return this.rule_Scholar_b(i,j);
case ‘帅’:
return this.rule_Boss_r(i,j);
case ‘将’:
return this.rule_Boss_b(i,j);
caso "Pezzo":
return this.rule_Soldier_r(i, j);
caso "Pezzo":
return this.rule_Soldier_b(i, j);
caso "Cannone":
if(this.rule_Cannon(i,j)==0){
return true;
}
return false;
}
}
// 棋子吃子规则
obj.Eat_rule = function(i,j){
switch(this.preChess.text){
case ‘車’:
return this.rule_Car(i,j);
case ‘馬’:
return this.rule_Horse(i,j);
case ‘相’:
return this.rule_Elephant_r(i,j);
case ‘象’:
return this.rule_Elephant_b(i,j);
case ‘仕’:
return this.rule_Scholar_r(i,j);
case ‘士’:
return this.rule_Scholar_b(i,j);
case ‘帅’:
return this.rule_Boss_r(i,j);
case ‘将’:
return this.rule_Boss_b(i,j);
caso "Pezzo":
return this.rule_Soldier_r(i, j);
caso "Pezzo":
return this.rule_Soldier_b(i, j);
caso "Cannone":
se (this.rule_Cannon(i, j) == 1) {
return true;
}
return false;
}
}
// Regole del Carro
obj.rule_Car = function(i, j) {
if (this.preChess.x == i || this.preChess.y == j) {
if (this.preChess.x == i) {
se (this.preChess.y < j) {
// console.log("Giù");
var hasObstacle = false;
per var p = this.preChess.y + 1; p < j; p++) {
se (this.inArray(i, p)) {
hasObstacle = true;
break;
}
}
if(hasObstacle){
return false;
}
}
se (this.preChess.y > j) {
// console.log("Su");
var hasObstacle = false;
per var p = this.preChess.y - 1; p > j; p--) {
se (this.inArray(i, p)) {
hasObstacle = true;
break;
}
}
if(hasObstacle){
return false;
}
}
}
se (this.preChess.y == j) {
se (this.preChess.x < i) {
// console.log("Destra");
var hasObstacle = false;
per var p = this.preChess.x + 1; p < i; p++) {
se (this.inArray(p, j)) {
hasObstacle = true;
break;
}
}
if(hasObstacle){
return false;
}
}
se (this.preChess.x > i) {
// console.log("Sinistra");
var hasObstacle = false;
per var p = this.preChess.x - 1; p > i; p--) {
se (this.inArray(p, j)) {
hasObstacle = true;
break;
}
}
if(hasObstacle){
return false;
}
}
}
return true;
}
return false;
}
// Regole del Cavallo
obj.rule_Horse = function(i, j) {
var hasObstacle = false;
var that = this;
se (Math.abs(this.preChess.x - i) == 1 && Math.abs(this.preChess.y - j) == 2)
oppure (Math.abs(this.preChess.x - i) == 2 && Math.abs(this.preChess.y - j) == 1) {
se (this.preChess.x - i == 2) { // Sinistra
$.each(that.cheer_arr_ALL,function(ii,ee){
se (ee.x == that.preChess.x - 1 && ee.y == that.preChess.y) {
hasObstacle =true;
return false;
}
});
if(hasObstacle){
return false;
}
altrimenti se (i - that.preChess.x == 2) { // Destra
$.each(that.cheer_arr_ALL,function(ii,ee){
se (ee.x == that.preChess.x + 1 && ee.y == that.preChess.y) {
hasObstacle =true;
return false;
}
});
if(hasObstacle){
return false;
}
}else if(that.preChess.y-j==2){ // 上
$.each(that.cheer_arr_ALL,function(ii,ee){
if(ee.x ==that.preChess.x&&ee.y==that.preChess.y-1){
hasObstacle =true;
return false;
}
});
if(hasObstacle){
return false;
}
}else if(j-that.preChess.y==2){ // 下
$.each(that.cheer_arr_ALL,function(ii,ee){
if(ee.x ==that.preChess.x&&ee.y==that.preChess.y+1){
hasObstacle =true;
return false;
}
});
if(hasObstacle){
return false;
}
}
return true;
}
return false;
}
// 红相的规则
obj.rule_Elephant_r = function(i,j){
var hasObstacle = false;
var that = this;
if((Math.abs(that.preChess.x-i)==2&&Math.abs(that.preChess.y-j)==2)&&j>=6){
var vgaX = (that.preChess.x+i)/2;
var vgaY = (that.preChess.y+j)/2;
console.log(vgaX);
$.each(that.cheer_arr_ALL,function(ii,ee){
if(ee.x ==vgaX&&ee.y==vgaY){
hasObstacle =true;
return false;
}
});
if(hasObstacle){
return false;
}
return true;
}
return false;
}
// 黑象的规则
obj.rule_Elephant_b = function(i,j){
var hasObstacle = false;
var that = this;
if((Math.abs(that.preChess.x-i)==2&&Math.abs(that.preChess.y-j)==2)&&j<6){
var vgaX = (that.preChess.x+i)/2;
var vgaY = (that.preChess.y+j)/2;
// console.log(vgaX);
$.each(that.cheer_arr_ALL,function(ii,ee){
if(ee.x ==vgaX&&ee.y==vgaY){
hasObstacle =true;
return false;
}
});
if(hasObstacle){
return false;
}
return true;
}
return false;
}
// 红仕的规则
obj.rule_Scholar_r = function(i,j){
if(this.preChess.x==5&&this.preChess.y==9){
if(Math.abs(this.preChess.x-i)==1&&Math.abs(this.preChess.y-j)==1){
return true;
}
}else if(i==5&&j==9){
return true;
}
return false;
}
// 黑仕的规则
obj.rule_Scholar_b = function(i,j){
if(this.preChess.x==5&&this.preChess.y==2){
if(Math.abs(this.preChess.x-i)==1&&Math.abs(this.preChess.y-j)==1){
return true;
}
else if(i==5&&j==2){
return true;
}
return false;
}
// 帅的规则
obj.rule_Boss_r = function (i, j) {
if ((Math.abs(this.preChess.x - i) == 1 && this.preChess.y == j)) {
|| (this.preChess.x == i && Math.abs(this.preChess.y - j) == 1)) {
if (i >= 4 && i <= 6 && j >= 8 && j <= 10) {
return true;
}
return false;
}
}
return false;
}
// 将的规则
obj.rule_Boss_b = function (i, j) {
if ((Math.abs(this.preChess.x - i) == 1 && this.preChess.y == j)) {
|| (this.preChess.x == i && Math.abs(this.preChess.y - j) == 1)) {
if (i >= 4 && i <= 6 && j >= 1 && j <= 3) {
return true;
}
return false;
}
}
return false;
}
// 兵的规则
obj.rule_Soldier_r = function (i, j) {
if (this.preChess.y <= 5) {
if ((this.preChess.x == i && this.preChess.y - 1 == j) || (this.preChess.x - 1 == i && this.preChess.y == j) || (this.preChess.x + 1 == i && this.preChess.y == j)) {
return true;
}
}
if (this.preChess.x == i && this.preChess.y - 1 == j) {
return true;
}
}
return false;
}
// 卒的规则
obj.rule_Soldier_b = function (i, j) {
if (this.preChess.y > 5) {
if ((this.preChess.x == i && this.preChess.y + 1 == j) || (this.preChess.x - 1 == i && this.preChess.y == j) || (this.preChess.x + 1 == i && this.preChess.y == j)) {
return true;
}
}
if (this.preChess.x == i && this.preChess.y + 1 == j) {
return true;
}
}
return false;
}
// 炮的规则
obj.rule_Cannon = function (i, j) {
var that = this;
if (this.preChess.x == i || this.preChess.y == j) {
var t = 0;
if (this.preChess.x == i) {
var temp = this.preChess.y;
if (temp < j) {
while (++temp != j) {
$.each(this.cheer_arr_ALL,function(ii,ee){
var temp = this.preChess.x;
t++;
return false;
}
});
}
return t;
}
if(ee.x ==that.preChess.x&&ee.y==temp){
$.each(this.cheer_arr_ALL,function(ii,ee){
var temp = this.preChess.x;
t++;
return false;
}
});
}
return t;
}
}
if(temp<i){
while(++temp!=i){
else{
$.each(this.cheer_arr_ALL,function(ii,ee){
if(ee.x ==temp&&ee.y==that.preChess.y){
t++;
return false;
}
});
}
return t;
}
while(--temp!=i){
$.each(this.cheer_arr_ALL,function(ii,ee){
if(ee.x ==temp&&ee.y==that.preChess.y){
t++;
return false;
}
});
}
return t;
}
}
}
return 2;
}
obj.inArray = function(x,y){
var hasObstacle = false;
$.each(this.cheer_arr_ALL,function(ii,ee){
if(ee.x ==x&&ee.y==y){
hasObstacle = true;
return false;
}
});
return hasObstacle;
}
obj.init();
// obj.init({
// chunk:50, // Dimensione della griglia
// radius:23, // Raggio della pedina
// ccr:3 // Raggio del piccolo cerchio candidato
// });
</script>
</body>
</html>
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