Use close continuous camera for simulator recording

app/record-sim.mjs

@@ -32,14 +32,12 @@ await page.evaluate(async () => {
   await new Promise((resolve) => {
     const frame = (now) => {
       const t = (now - start) / 1000;
-      let x = 0, y = 0.82, z = 2.8;
-      if (t < 13) {
-        const a = t * 0.42; x = Math.sin(a) * 2.35; z = Math.cos(a) * 2.35;
-      } else if (t < 28) {
-        const a = (t - 13) * 0.5; x = 1.55 + Math.sin(a) * 0.35; z = 2.05 + Math.cos(a) * 0.25; y = 0.68;
-      } else {
-        const a = (t - 28) * 0.75; x = Math.sin(a) * 2.45; z = Math.cos(a) * 2.45; y = 0.88 + Math.sin(t * 0.5) * 0.08;
-      }
+      // One close, continuous orbit keeps both robots large in frame and
+      // avoids the hard viewpoint jumps between emotion sections.
+      const a = t * 0.28;
+      const x = Math.sin(a) * 1.55;
+      const z = Math.cos(a) * 1.55;
+      const y = 0.72 + Math.sin(t * 0.22) * 0.04;
       window.rl.camera.position.set(x, y, z);
       window.rl.controls.target.set(0, 0.23, 0);
       window.rl.controls.update();