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automata.html
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automata.html
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<html>
<head>
<style>
canvas {
#padding-left: 0;
#padding-right: 0;
margin-left: auto;
margin-right: auto;
display: block;
}
h1 {
text-align:center;
font-size: 20px;
font-family: "Verdana", Sans-serif;
}
</style>
</head>
<body>
<canvas id="automata" width="735" height="735"></canvas>
</body>
<script>
env_size=105
step=7
size=6
game_rate=1000/15
var env=new Array(env_size)
var next_env=env
var chance=1
colours=6
var canvasContext;
var canv;
var mouse_down=false
var mdID=0
var mouse_event;
function init_board(){
var b=new Array(env_size)
for (var i = 0; i < env_size; i++){
b[i] = new Array(env_size);
for (var j = 0; j < env_size; j++){
b[i][j] = 0;
}
}
return b;
}
function mouse_down_evt(event){
if (!mouse_down) {
mouse_down=true
}
}
function mouse_up_evt(event){
if (mouse_down){
mouse_down=false
}
}
window.onload=function() {
canv=document.getElementById("automata");
canvasContext=canv.getContext("2d");
env=init_board();
next_env=init_board();
display();
document.addEventListener("mousemove", mouse_pos);
document.addEventListener("mousedown", mouse_down_evt);
document.addEventListener("mouseup", mouse_up_evt);
setInterval(game,game_rate);
}
function getRandomInt(min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
}
function seed_cell(i, j){
c=getRandomInt(1, colours);
env[i][j]=c
ns=getRandomInt(2, 7);
nc=0
var na = new Array(8)
for (var k=0; k < 8; k++){
na[k]=0;
}
while (nc<ns){
x=getRandomInt(0, 7);
if (na[x]==1){
continue
}
na[x]=1
switch(x){
case 0:
env[i+1][j]=c;
break
case 1:
env[i-1][j]=c;
break
case 2:
env[i][j+1]=c;
break
case 3:
env[i][j-1]=c;
break
case 4:
env[i+1][j+1]=c;
break
case 5:
env[i-1][j-1]=c;
break
case 6:
env[i+1][j-1]=c;
break
case 7:
env[i-1][j+1]=c;
break
}
nc++
}
}
function seed(){
created=0
created_total=5
while (created<created_total){
for (var i = 1; i < env_size-1 && created<created_total; i++){
for (var j = 1; j < env_size-1 && created<created_total; j++){
if (getRandomInt(1, env_size*env_size) == 1){
c=getRandomInt(1, colours);
env[i][j]=c
ns=getRandomInt(2, 7);
nc=0
var na = new Array(8)
for (var k=0; k < 8; k++){
na[k]=0;
}
while (nc<ns){
x=getRandomInt(0, 7);
if (na[x]==1){
continue
}
na[x]=1
switch(x){
case 0:
env[i+1][j]=c;
break
case 1:
env[i-1][j]=c;
break
case 2:
env[i][j+1]=c;
break
case 3:
env[i][j-1]=c;
break
case 4:
env[i+1][j+1]=c;
break
case 5:
env[i-1][j-1]=c;
break
case 6:
env[i+1][j-1]=c;
break
case 7:
env[i-1][j+1]=c;
break
}
nc++
}
created++
}
}
}
}
}
function mouse_pos(event) {
if(mouse_down){
var rect = canv.getBoundingClientRect();
x=event.clientX - rect.left
y=event.clientY - rect.top
x=Math.round(x/(step+1))
y=Math.round(y/(step+1))
//env[x][y]=1
seed_cell(x, y)
}
}
function display(){
x=1;
for (var i = 0; i < env_size; i++) {
y=1;
for (var j = 0; j < env_size; j++) {
c="white"
switch(env[i][j]){
case 1:
c="red"
break
case 2:
c="green"
break
case 3:
c="brown"
break
case 4:
c="orange"
break
case 5:
c="aqua"
break
}
canvasContext.fillStyle="grey"
canvasContext.fillRect(x, y, step, step);
canvasContext.fillStyle=c
canvasContext.fillRect(x, y, size, size);
y=y+step+1;
}
x=x+step+1;
}
}
function game(){
for (var i = 0; i < env_size; i++){
for (var j = 0; j < env_size; j++){
nebs=0;
var cols = new Array(colours)
for (var k = 0; k < colours; k++){
cols[k]=0;
}
if (i < env_size-1){
cols[env[i+1][j]]++
if (env[i+1][j]>0){
nebs++
}
}
if ( i == env_size-1 ){
cols[env[0][j]]++
if (env[0][j]>0) {
nebs++
}
}
if (i > 0) {
cols[env[i-1][j]]++
if (env[i-1][j]>0){
nebs++
}
}
if ( i == 0 ){
cols[env[env_size-1][j]]++
if (env[env_size-1][j] >0) {
nebs++
}
}
if (j < env_size-1){
cols[env[i][j+1]]++
if (env[i][j+1]>0){
nebs++
}
}
if (j == env_size-1){
cols[env[i][0]]++
if (env[i][0]>0){
nebs++
}
}
if (j > 0){
cols[env[i][j-1]]++
if (env[i][j-1]>0){
nebs++
}
}
if (j == 0){
cols[env[i][env_size-1]]++
if (env[i][env_size-1]>0){
nebs++
}
}
if ( i < env_size-1 && j < env_size-1){
cols[env[i+1][j+1]]++
if (env[i+1][j+1]>0){
nebs++
}
}
if ( i == env_size-1 && j == env_size-1){
cols[env[0][0]]++
if (env[0][0]>0){
nebs++
}
}
if ( i > 0 && j > 0){
cols[env[i-1][j-1]]++
if (env[i-1][j-1]>0){
nebs++
}
}
if ( i == 0 && j == 0){
cols[env[env_size-1][env_size-1]]++
if (env[env_size-1][env_size-1]>0){
nebs++
}
}
if ( i < env_size-1 && j > 0){
cols[env[i+1][j-1]]++
if (env[i+1][j-1]>0){
nebs++
}
}
if ( i == env_size-1 && j == 0){
cols[env[0][env_size]]++
if (env[0][env_size]>0){
nebs++
}
}
if ( i > 0 && j < env_size - 1){
cols[env[i-1][j+1]]++
if (env[i-1][j+1]>0){
nebs++
}
}
if ( i == 0 && j == env_size - 1){
cols[env[env_size-1][0]]++
if (env[env_size-1][0]>0){
nebs++
}
}
t=0
for (var k = 1; k < colours; k++){
if (cols[k]>t){
t=k
}
}
if (env[i][j] > 0 && nebs < 2) {
next_env[i][j]=0;
}
else if (env[i][j] > 0 && (nebs == 2 || nebs == 3)){
next_env[i][j]=t;
if (getRandomInt(0, 100) == 1){
seed_cell(i,j)
}
}
else if (env[i][j] > 0 && nebs > 3){
next_env[i][j]=0;
}
else if (env[i][j] == 0 && nebs == 3) {
next_env[i][j]=t;
}
}
}
for (var i = 0; i < env_size; i++) {
for (var j = 0; j < env_size; j++) {
env[i][j]=next_env[i][j];
}
}
display();
}
</script>
</html>