Function getArrayValues

packages/engine/Source/Scene/MetadataTableProperty.js:437–462

(property, classProperty, index)

}

function getArrayValues(property, classProperty, index) {
  let offset;
  let length;
  if (classProperty.isVariableLengthArray) {
    offset = property._arrayOffsets.get(index);
    length = property._arrayOffsets.get(index + 1) - offset;

    // for vectors and matrices, the offset and length need to be multiplied
    // by the component count
    const componentCount = MetadataType.getComponentCount(classProperty.type);
    offset *= componentCount;
    length *= componentCount;
  } else {
    const arrayLength = classProperty.arrayLength ?? 1;
    const componentCount = arrayLength * property._vectorComponentCount;
    offset = index * componentCount;
    length = componentCount;
  }

  const values = new Array(length);
  for (let i = 0; i < length; i++) {
    values[i] = property._getValue(offset + i);
  }

  return values;
}

function set(property, index, value) {
  if (requiresUnpackForSet(property, index, value)) {