mergeProps

const mergeProps = ({assets, playerItemAssets, items, player}, dispatchToProps, props) => ({
  assets,
  playerItemAssets,
  items,
  player,
  ...dispatchToProps,
  missingItemAssets: memoMissingAssets(assets, playerItemAssets),
  playerMesh: {
    verts: selectPlayerAnim(playerItemAssets, player.skeleton, assets),
    count: (selectPlayerAnim(playerItemAssets, player.skeleton, assets).length / 12),
  },
  view:  mat4.lookAt(
    [],
    initialCameraState.eye,
    initialCameraState.target,
    initialCameraState.up
  ),  
  projection: mat4.perspective(
    [],
    Math.PI / 4,
    props.width / props.height,
    0.1,
    1000.0
  ),
});