have it zoom in and out once in a while Depth of Field
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have it zoom in and out once in a while Acceleration/Deceleration
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Gentle Breeze
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doctor who intro Blue Nebula
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have it zoom in and out once in a while Periodic bursts
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have the color pallete change over time Palette cycling
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have it zoom in and out once in a while Random intervals
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click to explore, then edit