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GOL.js
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GOL.js
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window.onload = function () {
function Initcells() {
var p_cells=[];
for(var i = 0 ; i <Mcell.X; i++ ) {
p_cells[i] = [0];
for( var j = 0 ; j <Mcell.Y; j++ ){
p_cells[i][j]=0;
}
}
return p_cells;
}
function CELL(row,column) {
this.row=row;
this.column=column;
}
Mcell= {};
Mcell.X = 480;
Mcell.Y = 480;
Mcell.cellSize = 12 ;
Mcell.ALIVE = 1;
Mcell.DEAD = 0;
Mcell.WIDTH = Mcell.X / Mcell.cellSize;
Mcell.HEIGHT = Mcell.Y / Mcell.cellSize;
Mcell.minimum=2;
Mcell.maximum=3;
Mcell.spawn=3;
Mcell.web=Initcells();
Mcell.colorDead="#ffffff";
Mcell.colorAlive="#000000";
Mcell.intervalVal;
var wholeWeb = document.getElementById("web");
var context = wholeWeb.getContext('2d');
var offset = Mcell.cellSize;
for (var i = 0; i <= Mcell.X; i += Mcell.cellSize) {
context.moveTo(0.5 + i, 0);
context.lineTo(0.5 + i, Mcell.Y);
}
for (var j = 0; j <= Mcell.Y; j += Mcell.cellSize) {
context.moveTo(0, 0.5 + j);
context.lineTo(Mcell.X, 0.5 + j);
}
context.strokeStyle = "#6495ed";
context.stroke();
function createNewWeb() {
for (var i = 0; i < Mcell.HEIGHT; i++) {
for (var j = 0; j < Mcell.WIDTH; j++) {
if (Mcell.web[i][j] === Mcell.ALIVE) {
context.fillStyle = Mcell.colorAlive;
} else {
context.fillStyle = Mcell.colorDead;
}
context.fillRect( j * Mcell.cellSize +1, i * Mcell.cellSize +1, Mcell.cellSize -1, Mcell.cellSize -1);
}
}
}
Mcell.takeState = function() {
var n8bors;
var nextGen = Initcells();
for (var i = 0; i < Mcell.HEIGHT; i++) {
for (var j = 0; j < Mcell.WIDTH; j++) {
n8bors = Mcell.calcN8bors(i, j);
if (Mcell.web[i][j] !== Mcell.DEAD) {
if ((n8bors >= Mcell.minimum) && (n8bors <= Mcell.maximum)) {
nextGen[i][j] = Mcell.ALIVE;
}
} else {
if (n8bors === Mcell.spawn) {
nextGen[i][j] = Mcell.ALIVE;
}
}
}
}
Mcell.copyWep(nextGen,Mcell.web);
};
Mcell.calcN8bors = function(y, x) {
var n8bors;
if(Mcell.web[y][x] !== Mcell.DEAD) {
n8bors = -1;
} else {
n8bors = 0;
}
for (var i = -1; i <= 1; i++) {
for (var j = -1; j <= 1; j++) {
if (Mcell.web[(Mcell.HEIGHT + (y + i)) % Mcell.HEIGHT][(Mcell.WIDTH + (x + j)) % Mcell.WIDTH] !== Mcell.DEAD) {
n8bors++;
}
}
}
return n8bors;
};
function update() {
Mcell.takeState();
createNewWeb();
}
Mcell.copyWep = function(newer, old) {
for (var i = 0; i < Mcell.HEIGHT; i++) {
for (var j = 0; j < Mcell.WIDTH; j++) {
old[i][j] = newer[i][j];
}
}
};
var startbut=document.getElementById("startbut");
startbut.onclick = function() {
if(startbut.id=='startbut') {
startbut.value='Stop';
startbut.setAttribute('ID','stopbut');
Mcell.intervalVal=setInterval(function() {
update();
},100);
} else {
startbut.value='Start';
clearInterval(Mcell.intervalVal);
startbut.setAttribute('ID','startbut');
}
};
var clearbut=document.getElementById("clearbut");
clearbut.onclick=function() {
Mcell.web=Initcells();
clearInterval(Mcell.intervalVal);
createNewWeb();
};
function webOnClicled(event) {
var cell = getCursorPosition(event);
var state ;
if(Mcell.web[cell.row][cell.column] == Mcell.ALIVE) {
state = Mcell.DEAD
} else {state = Mcell.ALIVE;}
Mcell.web[cell.row][cell.column] = state;
createNewWeb();
}
function getCursorPosition(event) {
var x;
var y;
if (event.pageX || event.pageY) {
x = event.pageX;
y = event.pageY;
} else {
x = event.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
y = event.clientY + document.body.scrollTop + document.documentElement.scrollTop;
}
x -= wholeWeb.offsetLeft;
y -= wholeWeb.offsetTop;
var cell = new CELL(Math.floor((y - 4) / Mcell.cellSize),Math.floor((x - 2) / Mcell.cellSize));
return cell;
}
wholeWeb.addEventListener("click", webOnClicled, false);
};
/*
function main () {
var ul=document.createElement('ul');
for(var i = 0;i < 5 ;i++) {
vat li=document.createElement('li');
li.onlick= function() {
showInedx(i);
};
ul.appendChild(li);
}
document.body.appendChild()
}
*/