r sh = buildShoe();
sh.position.set(x, groundY(x, z), z);
sh.rotation.y = ry||0;
scene.add(sh);
if(typeof monumentShoes==='undefined' || !monumentShoes) monumentShoes = [];
monumentShoes.push(sh);
persistShoes();
return sh;
}
function loadShoes(){
var ks = [];
try{ ks = JSON.parse(localStorage.getItem('ruby-shoes-v1')||'[]'); }catch(e){}
ks.forEach(function(k){
var sh = spawnShoe(k.x, k.z, k.r);
if(sh && typeof k.y==='number' && isFinite(k.y)) sh.position.y = k.y;
});
}
function showBrain(){
var st2 = document.getElementById('codetext-status');
if(!st2) return;
st2.innerHTML = 'BRAIN — every code
' +
BRAIN.map(function(b){ return ''+escapeHtml(b[0])+' — '+escapeHtml(b[1])+'
'; }).join('');
st2.style.whiteSpace = 'normal'; st2.style.opacity = '1'; st2.style.pointerEvents = 'auto';
if(codeT) clearTimeout(codeT);
}
function showDid(){
if(!didLog.length){ codeStatus('nothing yet — build something'); return; }
var st2 = document.getElementById('codetext-status');
if(!st2) return;
st2.innerHTML = didLog.map(function(e,i){
return ''+(i+1)+'. '+escapeHtml(e.line)+' \u2014 '+escapeHtml(e.res)+'
';
}).join('');
st2.style.whiteSpace = 'normal'; st2.style.opacity = '1'; st2.style.pointerEvents = 'auto';
if(codeT) clearTimeout(codeT);
}
var didAnchorLine = null, awaitingDidAnchor = false;
function didPick(i){
var e = didLog[i];
if(!e) return;
didAnchorLine = e.line; awaitingDidAnchor = true;
codeStatus('tap the anchor stone for: '+e.line);
}
function didAnchorTo(grp){
awaitingDidAnchor = false;
cursor.x = grp.position.x; cursor.z = grp.position.z; saveCursor(); paintCursor();
var l = didAnchorLine; didAnchorLine = null;
runLine(l);
}
/* send your build to your friends: `send myfence` turns the save into a code
(copied to the bar, ready to copy). a friend types `take ` and the
build joins their library. no server — the code IS the build. */
function shareEncode(name){
var sv = SAVES[name];
if(!sv) return null;
var b64 = btoa(unescape(encodeURIComponent(JSON.stringify({n:name, s:sv.stones}))));
return 'RUBY1.' + b64.replace(/\+/g,'-').replace(/\//g,'_').replace(/=+$/,'');
}
function shareDecode(code){
code = String(code||'').trim();
if(code.indexOf('RUBY1.')!==0) return null;
try{
var b64 = code.slice(6).replace(/-/g,'+').replace(/_/g,'/');
var p = JSON.parse(decodeURIComponent(escape(atob(b64))));
if(!p || typeof p.n!=='string' || !/^[a-z][a-z0-9]*$/.test(p.n)) return null;
if(!Array.isArray(p.s) || !p.s.length || p.s.length>500) return null;
var known = {cube:1,pyramid:1,sphere:1,cyl:1,torus:1,cone:1,octa:1,tetra:1,icosa:1,dodeca:1,tri:1,pdown:1,poff:1,poffdown:1};
for(var i=0;i=1&&st.r<=200)) return null;
}
return p;
}catch(e){ return null; }
}
function saveOps(name, ec){
var sv = SAVES[name].stones, o = [];
for(var i=0;i 2.01) return false;
var ay=au.y||0, ah=(au.rubies||1)*(au.k1||1);
var by=bu.y||0, bh=(bu.rubies||1)*(bu.k1||1);
return ay <= by+bh+0.01 && by <= ay+ah+0.01;
}
function floodFrom(anchor){
var seen=[anchor], queue=[anchor];
while(queue.length){
var a=queue.pop();
for(var i=0;i=0) continue;
if(stoneTouches(a,b)){ seen.push(b); queue.push(b); }
}
}
return seen;
}
function selectConnected(anchor){
if(!anchor){ codeStatus('no anchor'); return; }
clearSelection();
selection = floodFrom(anchor);
for(var i=0;i