/** Called once per frame, before {@link #onDrawEyeView(int, float)}. */
void onDrawFrame() {
GVRPerspectiveCamera centerCamera = mMainScene.getMainCameraRig().getCenterCamera();
cull(
mMainScene.getNative(),
centerCamera.getNative(),
mRenderBundle.getMaterialShaderManager().getNative());
if (mCurrentEye == 1) {
mActivity.setCamera(mMainScene.getMainCameraRig().getLeftCamera());
} else {
mActivity.setCamera(mMainScene.getMainCameraRig().getRightCamera());
}
}
