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wvanbergen / chunky_png

Read/write access to PNG images in pure Ruby.
https://chunkypng.com
MIT License
1.05k stars 101 forks source link

Add shortcut in euclidean_distance_rgba #113

Closed lencioni closed 8 years ago

lencioni commented 8 years ago

If the pixels are the same, the Euclidean distance will always be 0.0. We can save a bunch of function calls and maths if we take this shortcut.

wvanbergen commented 8 years ago

:+1: