author | Ivan Kokshaysky <ink@rc.ru> | 2016-11-03 23:40:09 (UTC) |
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committer | Ivan Kokshaysky <ink@rc.ru> | 2016-11-03 23:40:09 (UTC) |
commit | 60c7c744af79d8b13256c17258ed45bfaa7dd0c4 (patch) (side-by-side diff) | |
tree | c49345d3f319e50ea207a836abbd7992dae983cd /bubbles.scad | |
parent | d0448a1c697d886521da5ae90e07c5b4bb8bf0f9 (diff) | |
download | hotendery-60c7c744af79d8b13256c17258ed45bfaa7dd0c4.zip hotendery-60c7c744af79d8b13256c17258ed45bfaa7dd0c4.tar.gz hotendery-60c7c744af79d8b13256c17258ed45bfaa7dd0c4.tar.bz2 |
Bubbles fixes
- older versions of openscad don't honor let();
- limit the minimum sphere fragment size to 0.5, that makes no visible
difference with 0.2 mm layers but dramatically reduces the rendering time.
Signed-off-by: Ivan Kokshaysky <ink@rc.ru>
-rw-r--r-- | bubbles.scad | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/bubbles.scad b/bubbles.scad index 2f25938..c586736 100644 --- a/bubbles.scad +++ b/bubbles.scad @@ -3,9 +3,11 @@ scl = [ d/2/maxr, size[1]/maxr, d/2/maxr ]; nx = floor((size[0]-2*d)/s); sx = s*nx; x0=(size[0]-sx)/2; nz = floor((size[2]-2*d)/s); sz = s*nz; z0=(size[2]-sz)/2; - for(iz=[0:nz]) let(z=z0+s*iz) { - for(ix=[0:iz%2?nx-1:nx]) let(x=x0+(iz%2?s/2:0)+s*ix) { - translate([x,0,z]) scale(scl) sphere(r=maxr,$fn=30); + for(iz=[0:nz]) { + z=z0+s*iz; + for(ix=[0:iz%2?nx-1:nx]) { + x=x0+(iz%2?s/2:0)+s*ix; + translate([x,0,z]) scale(scl) sphere(r=maxr,$fs=0.5); } } } |