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This is wireworld, the cellular automata simulation. Pictured is a free-running clock and a diode.
Check the checkbox to show the code.
<![CDATA[var pixels = [[]];
var SCREEN_WIDTH = 15;
var SCREEN_HEIGHT = 5;
function setupDefault()
{
//electron head
pixels[2][2] = 1;
//the wiring of the clock
pixels[1][3] = 3;
pixels[1][4] = 3;
pixels[1][5] = 3;
pixels[1][6] = 3;
pixels[2][7] = 3;
pixels[3][6] = 3;
pixels[3][5] = 3;
pixels[3][4] = 3;
pixels[3][3] = 2;
//leading wire
pixels[2][8] = 3;
pixels[2][9] = 3;
//the wiring of the diode
pixels[1][9] = 3;
pixels[3][9] = 3;
pixels[1][10] = 3;
pixels[3][10] = 3;
pixels[2][11] = 3;
//leading wire
pixels[2][12] = 3;
pixels[2][13] = 3;
}
function setup()
{
var y = 0;
var pix = "";
for(var i = 0;i < SCREEN_WIDTH * SCREEN_HEIGHT;i++)
{
if(i % SCREEN_WIDTH == 0 && i > 0)
{
y++;
if(typeof pixels[y] === 'undefined')
{
pixels[y] = [];
}
pix += ':LTARR:br:GTARR:';
}
pix += ':LTARR:span class="pixel" id=' + i + ':GTARR::LTARR:/span:GTARR:';
pixels[y][i] = 0;
}
document.getElementById("scr").innerHTML = pix;
setupDefault();
}
setup();
function getColor(n)
{
switch(n)
{
case 0:
return "black";
break;
case 1:
return "blue";
break;
case 2:
return "red";
break;
case 3:
return "yellow";
break;
default:
return "black";
break;
}
}
function refreshPixels()
{
for(var x = 0;x < SCREEN_WIDTH;x++)
{
for(var y = 0;y < SCREEN_HEIGHT;y++)
{
document.getElementById(y * SCREEN_WIDTH + x).style.backgroundColor = getColor(pixels[y][x]);
}
}
}
function copyArr(arr)
{
var newArray = [];
for(var i = 0;i < arr.length;i++)
{
newArray[i] = arr[i].slice();
}
return newArray;
}
function step()
{
refreshPixels();
var newPixels = copyArr(pixels);
for(var x = 0;x < SCREEN_WIDTH;x++)
{
for(var y = 0;y < SCREEN_HEIGHT;y++)
{
switch(pixels[y][x])
{
case 1:
newPixels[y][x] = 2;
break;
case 2:
newPixels[y][x] = 3;
break;
case 3:
var c = 0;
for(var i = -1;i <= 1;i++)
{
for(var o = -1;o <= 1;o++)
{
if(pixels[y + o][x + i] == 1)
{
c++;
}
}
}
if(c == 1 || c == 2)
{
newPixels[y][x] = 1;
}
break;
default:
break;
}
}
}
pixels = newPixels;
}
setInterval(step, 500);]]>
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Voicemail box #: +14408478142
Email: administrator@ryancdeyong.us
All software on this website uses the MIT License.