Update main.js

main.js

@@ -11,48 +11,43 @@ function log(msg) {
   consoleEl.scrollTop = consoleEl.scrollHeight;
 }
 
-/* ---------- GLOBAL STATE ---------- */
-let gpu = null;
-let world = null;
-let agents = null;
+let world, agents;
 let running = false;
 
-/* ---------- COMMAND BRIDGE ---------- */
+/* Command bridge */
 window.codexCommand = (input) => {
   log("> " + input);
-  if (!parseCommand) return;
-
   const cmd = parseCommand(input);
-  if (cmd && world) {
-    world.apply(cmd);
-  }
+  if (cmd && world) world.apply(cmd);
 };
 
-/* ---------- BOOT ---------- */
+/* Boot */
 async function boot() {
   log("Booting runtime...");
 
-  try {
-    gpu = await initGPU(canvas);
-    log("Compute mode: " + gpu.mode.toUpperCase());
-  } catch (e) {
-    log("GPU init failed — forcing CPU mode");
-    gpu = { mode: "cpu" };
-  }
+  const gpu = await initGPU(canvas);
+  log("Compute mode: " + gpu.mode.toUpperCase());
 
   world = new World(canvas, gpu);
   agents = new Agents(world);
 
-  running = true;
+  waitForWorld();
+}
+
+function waitForWorld() {
+  if (!world.ready) {
+    requestAnimationFrame(waitForWorld);
+    return;
+  }
+
   log("World initialized");
   log("Type 'help' or natural language");
-
+  running = true;
   requestAnimationFrame(loop);
 }
 
-/* ---------- LOOP ---------- */
+/* Loop */
 let last = performance.now();
-
 function loop(t) {
   if (!running) return;
 
@@ -66,5 +61,4 @@ function loop(t) {
   requestAnimationFrame(loop);
 }
 
-/* ---------- START ---------- */
 boot();