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refactor deps
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src/_impl/_bezier_smooth_impl.scad
Normal file
61
src/_impl/_bezier_smooth_impl.scad
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@ -0,0 +1,61 @@
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use <__comm__/__to3d.scad>;
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use <__comm__/__to2d.scad>;
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use <__comm__/__angy_angz.scad>;
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use <bezier_curve.scad>;
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function _corner_ctrl_pts(round_d, p1, p2, p3) =
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let(
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_ya_za_1 = __angy_angz(p1, p2),
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_ya_za_2 = __angy_angz(p3, p2),
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dz1 = sin(_ya_za_1[0]) * round_d,
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dxy1 = cos(_ya_za_1[0]) * round_d,
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dy1 = sin(_ya_za_1[1]) * dxy1,
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dx1 = cos(_ya_za_1[1]) * dxy1,
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dz2 = sin(_ya_za_2[0]) * round_d,
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dxy2 = cos(_ya_za_2[0]) * round_d,
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dy2 = sin(_ya_za_2[1]) * dxy2,
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dx2 = cos(_ya_za_2[1]) * dxy2
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)
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[
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p2 - [dx1, dy1, dz1],
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p2,
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p2 - [dx2, dy2, dz2]
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];
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function _bezier_corner(round_d, t_step, p1, p2, p3) =
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bezier_curve(t_step, _corner_ctrl_pts(round_d, p1, p2, p3));
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function _recursive_bezier_smooth(pts, round_d, t_step, leng) =
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let(end_i = leng - 2)
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[
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for(i = 0; i < end_i; i = i + 1)
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each _bezier_corner(round_d, t_step, pts[i], pts[i + 1], pts[i + 2])
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];
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function _bezier_smooth_impl(path_pts, round_d, t_step, closed) =
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let(
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pts = len(path_pts[0]) == 3 ? path_pts : [for(p = path_pts) __to3d(p)],
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leng = len(pts),
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middle_pts = _recursive_bezier_smooth(pts, round_d, t_step, leng),
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pth_pts = closed ?
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concat(
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_recursive_bezier_smooth(
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[pts[leng - 1], pts[0], pts[1]],
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round_d, t_step, 3
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),
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middle_pts,
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_recursive_bezier_smooth(
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[pts[leng - 2], pts[leng - 1], pts[0]],
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round_d, t_step, 3
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)
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) :
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concat(
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[pts[0]],
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middle_pts,
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[pts[leng - 1]]
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)
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)
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len(path_pts[0]) == 2 ? [for(p = pth_pts) __to2d(p)] : pth_pts;
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@ -8,64 +8,7 @@
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*
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**/
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include <__comm__/__to3d.scad>;
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include <__comm__/__to2d.scad>;
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include <__comm__/__angy_angz.scad>;
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function _corner_ctrl_pts(round_d, p1, p2, p3) =
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let(
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_ya_za_1 = __angy_angz(p1, p2),
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_ya_za_2 = __angy_angz(p3, p2),
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dz1 = sin(_ya_za_1[0]) * round_d,
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dxy1 = cos(_ya_za_1[0]) * round_d,
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dy1 = sin(_ya_za_1[1]) * dxy1,
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dx1 = cos(_ya_za_1[1]) * dxy1,
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dz2 = sin(_ya_za_2[0]) * round_d,
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dxy2 = cos(_ya_za_2[0]) * round_d,
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dy2 = sin(_ya_za_2[1]) * dxy2,
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dx2 = cos(_ya_za_2[1]) * dxy2
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)
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[
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p2 - [dx1, dy1, dz1],
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p2,
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p2 - [dx2, dy2, dz2]
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];
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function _bezier_corner(round_d, t_step, p1, p2, p3) =
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bezier_curve(t_step, _corner_ctrl_pts(round_d, p1, p2, p3));
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function _recursive_bezier_smooth(pts, round_d, t_step, leng) =
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let(end_i = leng - 2)
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[
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for(i = 0; i < end_i; i = i + 1)
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each _bezier_corner(round_d, t_step, pts[i], pts[i + 1], pts[i + 2])
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];
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use <_impl/_bezier_smooth_impl.scad>;
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function bezier_smooth(path_pts, round_d, t_step = 0.1, closed = false) =
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let(
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pts = len(path_pts[0]) == 3 ? path_pts : [for(p = path_pts) __to3d(p)],
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leng = len(pts),
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middle_pts = _recursive_bezier_smooth(pts, round_d, t_step, leng),
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pth_pts = closed ?
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concat(
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_recursive_bezier_smooth(
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[pts[leng - 1], pts[0], pts[1]],
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round_d, t_step, 3
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),
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middle_pts,
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_recursive_bezier_smooth(
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[pts[leng - 2], pts[leng - 1], pts[0]],
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round_d, t_step, 3
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)
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) :
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concat(
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[pts[0]],
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middle_pts,
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[pts[leng - 1]]
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)
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)
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len(path_pts[0]) == 2 ? [for(p = pth_pts) __to2d(p)] : pth_pts;
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_bezier_smooth_impl(path_pts, round_d, t_step, closed);
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@ -1,6 +1,5 @@
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include <unittest.scad>;
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include <bezier_curve.scad>;
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include <bezier_smooth.scad>;
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use <unittest.scad>;
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use <bezier_smooth.scad>;
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module test_bezier_smooth_no_closed() {
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echo("==== test_bezier_smooth_no_closed ====");
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