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thebookofshaders/07/NOTES.md

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nicolas

  • after the pseudocode, explain why not using 'if' instead of step( threshold, value ) as this is (fucking) counter-intuitive :)

  • L 61 'That way the vec2(0.0,0.0)' should rather be : 'That way the vec2 tl' to disambiguate it from br which is also a vec2

  • L 113 the longest distance between a pixel and the center in a normalised space is: SQRT( 2 ) * 0.5 = ~0.7071..., not 0.5 (also present ion chapter 6)

  • L 123 'a bigger or smaller circular surface' a circular surface is called a 'disc' :)

  • L 175 a word about Quadrants and its relation to the bi-unit square maybe? or just explaining why we use a bi-unit square instead of the regular 0-1 normalized space...

  • L 217 'how use' missing 'to'