--- /dev/null
+<!doctype html>
+<meta charset="utf-8">
+<html>
+ <head>
+ <script src="grid.js"></script>
+ <script src="cell.js"></script>
+ <script src="play.js"></script>
+ <script src="life.js"></script>
+ <script>
+ function run() {
+ lc();
+ }
+ </script>
+ <style>
+ span {
+ margin=left: 15px;
+ }
+ input[type=number] {
+ width: 30px;
+ margin-left: 15px;
+ }
+ select {
+ margin-left: 15px;
+ }
+ #es {
+ margin-left: 15px;
+ }
+ </style>
+ <link rel="icon" type="image/png" href="icn.png"/>
+ <title>hexagonal grids</title>
+ </head>
+ <body onload="run()" style="background-color: #f8f8ff;">
+ <div class="ctrl">
+ <span>
+ <input type="button" id="step" value="step"/>
+ <input type="button" id="playpause" value="play"/>
+ <input type="range" id="tempo" value="150" min="20" max="500"/>
+ <input type="button" id="clear" value="clear"/>
+ <input type="button" id="reset" value="reset"/>
+ </span>
+ <span style="display:inline;">
+ <details style="display:inline-block;">
+ <summary style="float:left;">rule</summary>
+ <details id="rule" style="float:left">
+ <summary style="float:left;">born</summary>
+ <span style="float:left;">
+ <input type="checkbox" id="b1" name="1" >1
+ <input type="checkbox" id="b2" name="2" checked>2
+ <input type="checkbox" id="b3" name="3" >3
+ <input type="checkbox" id="b4" name="4" >4
+ <input type="checkbox" id="b5" name="5" >5
+ <input type="checkbox" id="b6" name="6" >6
+ </span>
+ </details>
+ <details id="surv" style="float:left">
+ <summary style="float:left;">survives</summary>
+ <span style="float:left;">
+ <input type="checkbox" id="s1" name="1" >1
+ <input type="checkbox" id="s2" name="2" >2
+ <input type="checkbox" id="s3" name="3" checked>3
+ <input type="checkbox" id="s4" name="4" checked>4
+ <input type="checkbox" id="s5" name="5" >5
+ <input type="checkbox" id="s6" name="6" >6
+ </span>
+ </details>
+ </details>
+ </span>
+ <span>
+ <input type="number" id="rad" value="9" min="1" max="30" step="1"/>
+ <input type="button" id="rot" value="rotate hex"/>
+ <input type="button" id="flp" value="flip hex"/>
+ <input type="button" id="rfl" value="reflect hex"/>
+ <input type="button" id="copy" value="copy hex"/>
+ <input type="button" id="paste" value="paste hex"/>
+ </span>
+ <span>
+ <input type="number" id="slot" value="1" min="1" max="9" step="1"/>
+ <input type="button" id="save" value="save state"/>
+ <input type="button" id="load" value="load state"/>
+ </span>
+ <span>
+ <input type="button" id="es" value="export state"/>
+ <input type="button" id="is" value="import state"/>
+ </span>
+ <details><summary></summary><span id="outzone"></span></details>
+ </div>
+ <div><canvas width="2000" height="2000" id="c"></canvas></div>
+ </body>
+</html>
--- /dev/null
+
+// this one is sweet
+//let SURVIVAL = [];
+//let PRODUCES = [1];
+
+
+// the real one tho i think
+//let SURVIVAL = [3,4];
+//let PRODUCES = [2];
+
+// alt?
+let SURVIVAL = [3];
+let PRODUCES = [2];
+
+
+const LifeState = {
+ OFF:'off',
+ ON:'on',
+ NIL:'nil'
+}
+Object.freeze(LifeState);
+
+function nextKey(k,fwd=true) {
+ switch(k) {
+ case LifeState.OFF:
+ return fwd? LifeState.ON : LifeState.NIL;
+ case LifeState.ON:
+ return fwd? LifeState.NIL : LifeState.OFF;
+ case LifeState.NIL:
+ default:
+ return fwd? LifeState.OFF : LifeState.ON;
+ }
+}
+
+class LifeHex extends Hex {
+ constructor(state,q,r,s) {
+ super(q,r,s);
+ this.state = state;
+ }
+ clone() {
+ return new LifeHex(this.state,this.q,this.r,this.s);
+ }
+ static fromJSON(o) {
+ return new LifeHex(o.state,o.q,o.r);
+ }
+ drawState(ctx,x,y,sz) {
+ switch (this.state) {
+ case LifeState.OFF:
+ drawHexagon(ctx,x,y,sz,'rgb(0,0,0)');
+ break;
+ case LifeState.ON:
+ drawHexagon(ctx,x,y,sz,'rgb(0,0,255)');
+ break;
+ case LifeState.NIL:
+ default:
+ return;
+ }
+ }
+}
+
+class LifeGrid extends Grid {
+ constructor() {
+ super(LifeHex, LifeState.NIL);
+ }
+ step() {
+ let cellcp = this.cells.map(c=>c.clone());
+ function stateAtClone(cl,q,r) {
+ let cells = cl.filter(c => c.q==q && c.r==r);
+ if(cells.length == 0) return LifeState.OFF;
+ return cells[0].state;
+ }
+ for(var i=0; i<cellcp.length; i++) {
+ if(cellcp[i].state != LifeState.NIL) {
+ let nbrs = cellcp[i].neighbors();
+ let reducefn = (a,b) => {
+ let s = stateAtClone(cellcp,b.q,b.r);
+ let v = s == LifeState.ON ? 1 : 0;
+ return a + v;
+ }
+ let nbrct = nbrs.reduce(reducefn,0);
+ if(cellcp[i].state == LifeState.ON) {
+ if(!SURVIVAL.includes(nbrct)) {
+ this.cells[i].state = LifeState.OFF;
+ }
+ }
+ if(cellcp[i].state == LifeState.OFF) {
+ if(PRODUCES.includes(nbrct)) {
+ this.cells[i].state = LifeState.ON;
+ }
+ }
+ }
+ }
+ }
+}
+
+g = new LifeGrid();
+
+
+function blank(q,r,g) {
+ for(let i=0;i<q;i++) {
+ for(let j=0;j<r;j++) {
+ g.change(LifeState.OFF,i,j);
+ }
+ }
+}
+function blankHex(q,r,sz,g) {
+ let h = g.copyHex(q,r,sz);
+ for(let c of h) {
+ g.change(LifeState.OFF,c.q,c.r)
+ }
+}
+
+
+function randomize(q,r,g) {
+ // puts random elements in the grid
+ for(let i=0;i<q;i++) {
+ for(let j=0; j<r;j++) {
+ let rv = Math.random();
+ if(rv < 0.5) {
+ g.change(LifeState.OFF,i,j);
+ }
+ else {
+ g.change(LifeState.ON,i,j);
+ }
+ }
+ }
+}