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fix 2D to 3D bugs

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Justin Lin
2021-10-01 09:54:47 +08:00
parent fa0e77ebaf
commit 71b6203d9c
1 changed files with 5 additions and 4 deletions
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9
src/along_with.scad
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@@ -42,12 +42,12 @@ module along_with(points, angles, twist = 0, scale = 1.0, method = "AXIS_ANGLE")
[0, 0, 0, 1] [0, 0, 0, 1]
]; ];
function axis_angle_local_ang_vects(j) = function axis_angle_local_ang_vects(j, pts) =
[ [
for(i = j; i > 0; i = i - 1) for(i = j; i > 0; i = i - 1)
let( let(
vt0 = points[i] - points[i - 1], vt0 = pts[i] - pts[i - 1],
vt1 = points[i + 1] - points[i], vt1 = pts[i + 1] - pts[i],
a = acos((vt0 * vt1) / (norm(vt0) * norm(vt1))), a = acos((vt0 * vt1) / (norm(vt0) * norm(vt1))),
v = cross(vt0, vt1) v = cross(vt0, vt1)
) )
@@ -153,8 +153,9 @@ module along_with(points, angles, twist = 0, scale = 1.0, method = "AXIS_ANGLE")
} }
} }
else { else {
pts3D = [for(p = points) __to3d(p)];
cumu_rot_matrice = axis_angle_cumulated_rot_matrice(0, [ cumu_rot_matrice = axis_angle_cumulated_rot_matrice(0, [
for(ang_vect = axis_angle_local_ang_vects(leng_points - 2)) for(ang_vect = axis_angle_local_ang_vects(leng_points - 2, pts3D))
m_rotation(ang_vect[0], ang_vect[1]) m_rotation(ang_vect[0], ang_vect[1])
]); ]);