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renamed replist to repeat

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fixed normalization issue in path_to_bezier
This commit is contained in:
Adrian Mariano
2020-03-04 23:22:39 -05:00
parent a8ed6214be
commit fcbeadc363
9 changed files with 61 additions and 56 deletions
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9
beziers.scad
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@@ -330,18 +330,17 @@ function bezier_polyline(bezier, splinesteps=16, N=3) = let(
// path = path of points to define the bezier
// tangents = optional list of tangent vectors at every point
// closed = set to true for a closed path. Default: false
function path_to_bezier(path, tangent, closed=false) =
function path_to_bezier(path, tangents, closed=false) =
assert(is_path(path,dim=undef),"Input path is not a valid path")
assert(is_undef(tangent) || is_path(tangent,dim=len(path[0])),"Tangent must be a path of the same dimension as the input path")
assert(is_undef(tangents) || is_path(tangents,dim=len(path[0])),"Tangents must be a path of the same dimension as the input path")
let(
tangent = is_def(tangent)? [for(t=tangent) unit(t)] : path_tangents(path, closed=closed),
tangents = is_def(tangents)? tangents : deriv(path, closed=closed),
lastpt = len(path) - (closed?0:1)
)
[for(i=[0:lastpt-1]) each [path[i], path[i]+tangent[i], select(path,i+1)-select(tangent,i+1)],
[for(i=[0:lastpt-1]) each [path[i], path[i]+tangents[i]/3, select(path,i+1)-select(tangents,i+1)/3],
select(path,lastpt)];
// Function: fillet_path()
// Usage:
// fillet_path(pts, fillet, [maxerr]);