have it zoom in and out once in a while Acceleration/Deceleration

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have the color pallete change over time Hue rotation

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have it zoom in and out once in a while Periodic bursts

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have it zoom in and out once in a while Oscillation Effect

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have it zoom in and out once in a while Add Scaling

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Parallax Scrolling

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have the color pallete change over time Color oscillation

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have it zoom in and out once in a while Random intervals

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Depth modulation

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