update method

Implementation

BufferGeometry update(Object3D object) {
  num frame = info.render["frame"]!;

  final geometry = object.geometry;

  final buffergeometry = geometries.get(geometry!);

  // Update once per frame

  if (updateMap.get(buffergeometry) != frame) {
    geometries.update(buffergeometry);
    updateMap.add(key: buffergeometry, value: frame);
  }

  // print(" WebGLObjects update object: ${object} ${object.type} ");

  if (object is InstancedMesh) {
    if (object.hasEventListener('dispose', onInstancedMeshDispose) == false) {
      object.addEventListener('dispose', onInstancedMeshDispose);
    }

    if ( updateMap.get( object ) != frame ) {
      // print(" WebGLObjects update 2 object: ${object} ${object.instanceMatrix} ");
      attributes.update(object.instanceMatrix, WebGL.ARRAY_BUFFER);

      if (object.instanceColor != null) {
        attributes.update(object.instanceColor, WebGL.ARRAY_BUFFER);
      }
      updateMap.set( object, frame );
    }
  }

		if ( object is SkinnedMesh ) {
			final skeleton = object.skeleton;

			if ( updateMap.get( skeleton ) != frame ) {
				skeleton?.update();
				updateMap.set( skeleton, frame );
			}
		}

  return buffergeometry;
}