Using the output of the processing sketch as texture alpha.
An image has been loaded to control (influence) the propagation of the black (transparent when used as alpha) in the image. Using image of the unwrapped mesh gives the sensation that the edges are melting.
See/read more > frankiezafe.org/index.php?id=117&tx_ttnews[tt_news]=508&cHash=61864e27c89d22ce65896fa2c0dcf4ae
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