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minimum level is 1

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Justin Lin
2020-02-19 22:06:41 +08:00
parent 0b7c8467cc
commit 0dc533e681
1 changed files with 1 additions and 1 deletions
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src/experimental/_impl/_sf_square_surfaces.scad
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@@ -6,7 +6,7 @@ function _sf_square_surfaces(levels, thickness, invert) =
for(r = [0:rows - 1]) for(r = [0:rows - 1])
[ [
for(c = [0:columns - 1]) for(c = [0:columns - 1])
let(lv = invert ? 255 - levels[rows - r - 1][c] : levels[rows - r - 1][c]) let(lv = (invert ? 255 - levels[rows - r - 1][c] : levels[rows - r - 1][c]) + 1) // minimum level is 1
[c, r, lv / 255 * thickness] [c, r, lv / 255 * thickness]
] ]
], ],