From d30ebe5ebadcf07530937c4e091147c6e727dd61 Mon Sep 17 00:00:00 2001 From: Justin Lin Date: Fri, 8 Jan 2021 10:13:25 +0800 Subject: [PATCH] elaborate 2021 --- src/_impl/_contours_impl.scad | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) diff --git a/src/_impl/_contours_impl.scad b/src/_impl/_contours_impl.scad index d614cd52..fda1ce60 100644 --- a/src/_impl/_contours_impl.scad +++ b/src/_impl/_contours_impl.scad @@ -996,27 +996,49 @@ function _case2021_isobands(cell_pts, lower, upper) = center_p = (cell_pts[0] + cell_pts[1] + cell_pts[2] + cell_pts[3]) / 4, center_p_z = center_p[2] ) - center_p_z < upper ? [ + center_p_z < lower ? [ + [ + interpolated_pt(cell_pts[1], cell_pts[2], upper), + interpolated_pt(cell_pts[1], center_p, upper), + interpolated_pt(cell_pts[0], cell_pts[1], upper), + [cell_pts[0][0], cell_pts[0][1], cell_pts[0][2]], + interpolated_pt(cell_pts[0], cell_pts[3], upper), + interpolated_pt(cell_pts[3], center_p, upper), + interpolated_pt(cell_pts[2], cell_pts[3], upper), + interpolated_pt(cell_pts[2], cell_pts[3], lower), + interpolated_pt(cell_pts[3], center_p, lower), + interpolated_pt(cell_pts[0], center_p, lower), + interpolated_pt(cell_pts[1], center_p, lower), + interpolated_pt(cell_pts[1], cell_pts[2], lower) + ] + ] : + center_p_z >= lower && center_p_z <= upper ? [ [ [cell_pts[0][0], cell_pts[0][1], cell_pts[0][2]], interpolated_pt(cell_pts[0], cell_pts[3], upper), + interpolated_pt(cell_pts[3], center_p, upper), interpolated_pt(cell_pts[2], cell_pts[3], upper), interpolated_pt(cell_pts[2], cell_pts[3], lower), + interpolated_pt(cell_pts[2], center_p, upper), interpolated_pt(cell_pts[1], cell_pts[2], lower), interpolated_pt(cell_pts[1], cell_pts[2], upper), + interpolated_pt(cell_pts[1], center_p, upper), interpolated_pt(cell_pts[0], cell_pts[1], upper) ] ] : [ [ [cell_pts[0][0], cell_pts[0][1], cell_pts[0][2]], interpolated_pt(cell_pts[0], cell_pts[3], upper), + interpolated_pt(cell_pts[0], center_p, upper), interpolated_pt(cell_pts[0], cell_pts[1], upper) ], [ interpolated_pt(cell_pts[2], cell_pts[3], upper), interpolated_pt(cell_pts[2], cell_pts[3], lower), + interpolated_pt(cell_pts[2], center_p, lower), interpolated_pt(cell_pts[1], cell_pts[2], lower), - interpolated_pt(cell_pts[1], cell_pts[2], upper) + interpolated_pt(cell_pts[1], cell_pts[2], upper), + interpolated_pt(cell_pts[2], center_p, upper) ] ];