Improve character controls and add idle breathing

tests/rain-gear.test.ts

@@ -9,6 +9,26 @@ import { createFlashlight } from '../src/scene/flashlight.ts';
 import { FLASHLIGHT } from '../src/constants/flashlight.ts';
 import { Vector3 } from 'three';
 
+test('idle breathing carries the coat and hood without lifting the feet or changing the umbrella grip', async () => {
+  const [model, umbrella, raincoat] = await Promise.all(['red-sheep', 'umbrella', 'raincoat'].map(asset));
+  const sheep = createSheep(model, { umbrella, raincoat });
+  sheep.setEquipment(true, true, true);
+  const body = model.getObjectByName('Body')!, head = model.getObjectByName('Head')!;
+  const hood = model.getObjectByName('CoatHood')!, arm = model.getObjectByName('ArmRight')!;
+  const bodyScale = body.scale.clone(), coatScale = raincoat.scale.clone();
+  const foot = model.getObjectByName('LegRight')!, footPosition = foot.getWorldPosition(new Vector3());
+  sheep.pose('idle', 0, false, 0);
+  sheep.pose('idle', 0, false, 1);
+  const grip = arm.quaternion.clone();
+  assert.ok(Math.abs(body.scale.y / bodyScale.y - raincoat.scale.y / coatScale.y) < 1e-8);
+  assert.ok(Math.abs(body.scale.z / bodyScale.z - raincoat.scale.z / coatScale.z) < 1e-8);
+  assert.ok(hood.getWorldPosition(new Vector3()).distanceTo(head.getWorldPosition(new Vector3())) < 1e-8);
+  sheep.pose('idle', 0, false, 2);
+  assert.ok(arm.quaternion.angleTo(grip) < 1e-8);
+  assert.ok(foot.getWorldPosition(new Vector3()).distanceTo(footPosition) < 1e-8);
+  sheep.dispose();
+});
+
 test('authored flashlight stays in the left grip and uses lumen power only when switched on', async () => {
   const [model, umbrella, raincoat, torch] = await Promise.all(['red-sheep', 'umbrella', 'raincoat', 'flashlight'].map(asset));
   const sheep = createSheep(model, { umbrella, raincoat, flashlight: torch });
@@ -60,7 +80,7 @@ test('flashlight raises and lowers smoothly, retaining the prop until the arm is
   assert.equal(sheep.pose('idle', 0, false, 2), true, 'the final lowered frame is rendered');
   assert.ok(arm.quaternion.angleTo(rest) < 1e-6);
   assert.equal(torch.visible, false);
-  assert.equal(sheep.pose('idle', 0, false, 2.1), false, 'idle rendering can stop after the transition');
+  assert.equal(sheep.pose('idle', 0, false, 2.1), true, 'breathing continues after the equipment transition');
   sheep.dispose();
 });
 
@@ -171,6 +191,6 @@ test('umbrella follows the right hand through raising, reversal and lowering bef
   assert.equal(sheep.pose('idle', 0, false, 1.2), true);
   assert.ok(arm.quaternion.angleTo(rest) < 1e-6);
   assert.equal(umbrella.visible, false);
-  assert.equal(sheep.pose('idle', 0, false, 1.3), false);
+  assert.equal(sheep.pose('idle', 0, false, 1.3), true);
   sheep.dispose();
 });