geometryOf method

@override ModelGeometry? geometryOf(String model, String meshName)

The triangles of model's mesh meshName (every mesh merged when it is empty), in the model's space; null while they are not there yet — the model still loading — or when there are none. The system asks again each step until it gets them.

Implementation

@override
ModelGeometry? geometryOf(String model, String meshName) {
  if (model.isEmpty) return null;
  final asset = assets.get<ModelAsset>(model);
  if (asset == null) {
    if (_requested.add(model) && assets.hasLoader(AssetType.model)) {
      assets
          .load<ModelAsset>(model, AssetType.model)
          .then(
            (_) {},
            onError: (Object error) =>
                debugPrint('Physics3D: no collider from $model: $error'),
          );
    }
    return null;
  }
  if (meshName.isNotEmpty) return asset.geometryOf(meshName);
  if (identical(_mergedFrom[model], asset)) return _merged[model];
  _mergedFrom[model] = asset;
  return _merged[model] = merge([
    for (final name in asset.meshNames) ?asset.geometryOf(name),
  ]);
}