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RonaldoCMP
2021-03-25 02:18:33 +00:00
parent 80e6cf6316
commit f54be54379
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geometry.scad
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@@ -1854,8 +1854,6 @@ function centroid(poly) =
let(segment=select(poly,i,i+1)) let(segment=select(poly,i,i+1))
det2(segment)*sum(segment) det2(segment)*sum(segment)
]) / 6 / polygon_area(poly,signed=true) ]) / 6 / polygon_area(poly,signed=true)
// polygon_area(concat([[0,0]],segment),signed=true)*sum(segment)
// ]) / 3 / polygon_area(poly,signed=true)
: let( plane = plane_from_points(poly, fast=true) ) : let( plane = plane_from_points(poly, fast=true) )
assert( !is_undef(plane), "The polygon must be planar." ) assert( !is_undef(plane), "The polygon must be planar." )
let( let(