WHY DOES MY FLOOD FILL HAVE ER­RORS?!

3D Artist - - THE PIPELINE / TECHNIQUES -

Flood fill was a game chang­ing node, it’s hard to imag­ine Sub­stance De­signer with­out it these days. In order to work prop­erly, Flood Fill needs shapes to be a bi­nary mask with a sin­gle bor­der. If your shapes are too com­plex and have in­ter­nal de­tails you will no­tice er­rors in your flood fill nodes. You can fix this by us­ing an edge De­tect node on your mask. Ad­just the edge Width slider to fill in any in­ter­nal de­tails un­til the er­rors dis­ap­pear. Now mul­ti­ply your orig­i­nal mask back over the in­flated flood fill shapes.

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