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Checking parameters

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Justin Lin
2019-07-29 07:47:42 +08:00
parent 5dc3132fcf
commit c0c98c125e
1 changed files with 4 additions and 0 deletions
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src/bspline_curve.scad
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@@ -62,6 +62,10 @@ function _bspline_curve_interpolate(t, degree, points, knots, weights) =
[for(i = 0; i < d; i = i + 1) nv[s][i] / nv[s][d]]; [for(i = 0; i < d; i = i + 1) nv[s][i] / nv[s][d]];
function bspline_curve(t_step, degree, points, knots, weights) = function bspline_curve(t_step, degree, points, knots, weights) =
let(n = len(points))
assert(degree >= 1, "degree cannot be less than 1 (linear)")
assert(degree <= n - 1, "degree must be less than or equal to len(points) - 1")
assert(len(knots) == n + degree + 1, "len(knots) must be equals to len(points) + degree + 1")
[ [
for(t = 0; t < 1; t = t + t_step) for(t = 0; t < 1; t = t + t_step)
_bspline_curve_interpolate(t, degree, points, knots, weights) _bspline_curve_interpolate(t, degree, points, knots, weights)