def getFpsAcousticsOnly(nbSteps):
    
    env = BenchmarkEnvironment(activeEngines=['acoustics'])
    
    start = timer()
    env.simulate(nbSteps=nbSteps)
    end = timer()
    elapsed = (end - start)
    
    env.destroy()
    
    fps = nbSteps/elapsed
    return fps
def getFpsAll(nbSteps):

    # 'acoustics' world temporarily disabled
    env = BenchmarkEnvironment(activeEngines=['physics', 'render'])
    
    start = timer()
    env.simulate(nbSteps=nbSteps)
    end = timer()
    elapsed = (end - start)
    
    env.destroy()
    
    fps = nbSteps/elapsed
    return fps