A Scanner Darkly (film)

A Scanner Darkly is a 2006 film by Richard Linklater based on the Philip K. Dick novel of the same name. The film tells the story of identity and deception in a near-future dystopia constantly monitored by intensive high-technology police surveillance in the midst of a huge drug addiction epidemic. To give the film its distinct look, the movie was  filmed digitally and then animated using interpolated rotoscope over the original footage.
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