Recursive function that cleans up Three.js rendering

gistfile1.txt

function doDispose (obj) {
  if (obj !== null) {
    for (var i = 0; i < obj.children.length; i++) {
      doDispose(obj.children[i]);
    }
    if (obj.geometry) {
      obj.geometry.dispose();
      obj.geometry = undefined;
    }
    if (obj.material) {
      if (obj.material.materials) {
        for (i = 0; i < obj.material.materials.length; i++) {
          obj.material.materials[i].dispose();
        }
      }
      else {
        obj.material.dispose();
      }
      obj.material = undefined;
    }
    if (obj.texture) {
      obj.texture.dispose();
      obj.texture = undefined;
    }
  }
  obj = undefined;
}
doDispose(sceneObject);