English

Adjective

pixel-perfect ‎(comparative more pixel-perfect, superlative most pixel-perfect)

1. (video games) Involving precision at the pixel level.
   • 1991, Stuart Campbell, The YS Official Top 100 Part 1 (Your Sinclair magazine)

     It was the first (and, indeed, practically the only one to this day) to have an animated loading screen, the first to have pixel-perfect collision detection […]

   • 2003, Colin Moock, ActionScript for Flash MX: The Definitive Guide

     Manual pixel-perfect collision-detection routines can be difficult to create and processor-intensive to run.

2. (computing) Having precise dimension ratios in all aspects on well-defined drawing glyphs.