createUniqueName method
When Object3D instances are targeted by animation, they need unique names.
Implementation
String createUniqueName(String? originalName) {
final sanitizedName = PropertyBinding.sanitizeNodeName(originalName ?? '');
String name = sanitizedName;
for (int i = 1; nodeNamesUsed[name] != null; ++i) {
name = '${sanitizedName}_$i';
}
nodeNamesUsed[name] = true;
return name;
}