onAnimationFrame method
Implementation
void onAnimationFrame(double time) {
// if ( xr.isPresenting ) return;
if (onAnimationFrameCallback != null) onAnimationFrameCallback!(time);
}
void onAnimationFrame(double time) {
// if ( xr.isPresenting ) return;
if (onAnimationFrameCallback != null) onAnimationFrameCallback!(time);
}