loadBuffer method

dynamic loadBuffer(
  1. int bufferIndex
)

Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views @param {number} bufferIndex @return {Promise

Implementation

loadBuffer(int bufferIndex) async {
  Map<String, dynamic> bufferDef = json["buffers"][bufferIndex];
  final loader = fileLoader;

  if (bufferDef["type"] != null && bufferDef["type"] != 'arraybuffer') {
    throw ('GLTFLoader: ${bufferDef["type"]} buffer type is not supported.');
  }

  // If present, GLB container is required to be the first buffer.
  if (bufferDef["uri"] == null && bufferIndex == 0) {
    return extensions[gltfExtensions["KHR_BINARY_GLTF"]].body;
  }

  final options = this.options;
  if(bufferDef["uri"] != null && options["path"] != null){
    final url = LoaderUtils.resolveURL(bufferDef["uri"], options["path"]);
    final res = await loader.unknown(url);

    return res?.data;
  }

  return null;
}