saveCache method

void saveCache(
  1. dynamic object,
  2. BufferGeometry geometry,
  3. WebGLProgram program,
  4. BufferAttribute<NativeArray<num>>? index,
)

Implementation

void saveCache(object, BufferGeometry geometry, WebGLProgram program, BufferAttribute? index) {
  var cache = {};
  var attributes = geometry.attributes;
  var attributesNum = 0;

  var programAttributes = program.getAttributes();

  for (final name in programAttributes.keys) {
    Map programAttribute = programAttributes[name];

    if (programAttribute["location"] >= 0) {
      var attribute = attributes[name];

      if (attribute == undefined) {
        if (name == 'instanceMatrix' && object.instanceMatrix != null) attribute = object.instanceMatrix;
        if (name == 'instanceColor' && object.instanceColor != null) attribute = object.instanceColor;
      }

      var data = {};
      data["attribute"] = attribute;

      if (attribute != null && attribute.data != null) {
        data["data"] = attribute.data;
      }

      cache[name] = data;

      attributesNum++;
    }
  }

  currentState["attributes"] = cache;
  currentState["attributesNum"] = attributesNum;

  currentState["index"] = index;
}