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refactor

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Justin Lin
2022-05-03 09:06:49 +08:00
parent 37974e6255
commit 6046591497
1 changed files with 32 additions and 34 deletions
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66
src/along_with.scad
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@@ -55,17 +55,15 @@ module along_with(points, angles, twist = 0, scale = 1.0, method = "AXIS_ANGLE")
[a, v] [a, v]
]; ];
function axis_angle_cumulated_rot_matrice(i, rot_matrice) = function axis_angle_cumulated_rot_matrice(rot_matrice, leng) =
let(leng = len(rot_matrice)) [
leng <= 1 ? [each rot_matrice, identity_matrix] : for(
i == leng - 2 ? i = leng - 1, m = rot_matrice[i];
let(m = rot_matrice[leng - 1]) i > -1;
[m, rot_matrice[i] * m] i = i - 1, m = i == -1 ? undef : rot_matrice[i] * m
: )
let(matrice = axis_angle_cumulated_rot_matrice(i + 1, rot_matrice)) m
[each matrice, rot_matrice[i] * matrice[len(matrice) - 1]]; ];
// align modules
module axis_angle_align_with_pts_angles(i) { module axis_angle_align_with_pts_angles(i) {
translate(pts[i]) translate(pts[i])
@@ -83,15 +81,9 @@ module along_with(points, angles, twist = 0, scale = 1.0, method = "AXIS_ANGLE")
} }
module axis_angle_align_with_local_rotate(j, a, s, cumu_rot_matrice) { module axis_angle_align_with_local_rotate(j, a, s, cumu_rot_matrice) {
if(j == 0) { // first child multmatrix(cumu_rot_matrice[j - 1])
axis_angle_align_with_pts_rs(a, s) axis_angle_align_with_pts_rs(a, s)
children(0); children(0);
}
else {
multmatrix(cumu_rot_matrice[j - 1])
axis_angle_align_with_pts_rs(a, s)
children(0);
}
} }
// <<< end: modules and functions for "AXIS-ANGLE" // <<< end: modules and functions for "AXIS-ANGLE"
@@ -100,17 +92,18 @@ module along_with(points, angles, twist = 0, scale = 1.0, method = "AXIS_ANGLE")
// >>> begin: modules and functions for "EULER-ANGLE" // >>> begin: modules and functions for "EULER-ANGLE"
function _euler_angle_path_angles(pts, end_i) = function _euler_angle_path_angles(pts, end_i) =
[for(i = 0; i < end_i; i = i + 1) __angy_angz(pts[i], pts[i + 1])]; [
for(i = 0; i < end_i; i = i + 1)
let(ayz = __angy_angz(pts[i], pts[i + 1]))
[0, -ayz[0], ayz[1]]
];
function euler_angle_path_angles(children) = function euler_angle_path_angles(children) =
let( let(
end_i = children == 1 ? leng_points_minus_one : children - 1, end_i = children == 1 ? leng_points_minus_one : children - 1,
angs = _euler_angle_path_angles(pts, end_i) angs = _euler_angle_path_angles(pts, end_i)
) )
[ [angs[0], each angs];
[0, -angs[0][0], angs[0][1]],
each [for(a = angs) [0, -a[0], a[1]]]
];
module euler_angle_align(i, angs, look_at) { module euler_angle_align(i, angs, look_at) {
translate(pts[i]) translate(pts[i])
@@ -138,27 +131,32 @@ module along_with(points, angles, twist = 0, scale = 1.0, method = "AXIS_ANGLE")
} }
} }
else { else {
cumu_rot_matrice = axis_angle_cumulated_rot_matrice(0, [ rot_matrice = [
for(ang_vect = axis_angle_local_ang_vects(leng_points - 2, pts)) for(ang_vect = axis_angle_local_ang_vects(leng_points - 2, pts))
m_rotation(ang_vect[0], ang_vect[1]) m_rotation(ang_vect[0], ang_vect[1])
]); ];
leng = len(rot_matrice);
cumu_rot_matrice = leng <= 1 ? [each rot_matrice, identity_matrix] :
axis_angle_cumulated_rot_matrice(rot_matrice, leng);
x_90 = [90, 0, 0]; x_90 = [90, 0, 0];
translate(pts[0]) for(i = [0, 1]) {
axis_angle_align_with_local_rotate(0, 0, scale_one, cumu_rot_matrice) translate(pts[i])
rotate(x_90) axis_angle_align_with_pts_rs(0, scale_one)
children(0); rotate(x_90)
children(0);
}
if($children == 1) { if($children == 1) {
for(i = [0:leng_points - 2]) { for(i = [1:leng_points - 2]) {
translate(pts[i + 1]) translate(pts[i + 1])
axis_angle_align_with_local_rotate(i, i * twist_step_a, scale_one + scale_step_vt * i, cumu_rot_matrice) axis_angle_align_with_local_rotate(i, i * twist_step_a, scale_one + scale_step_vt * i, cumu_rot_matrice)
rotate(x_90) rotate(x_90)
children(0); children(0);
} }
} else { } else {
for(i = [0:min(leng_points, $children) - 2]) { for(i = [1:min(leng_points, $children) - 2]) {
translate(pts[i + 1]) translate(pts[i + 1])
axis_angle_align_with_local_rotate(i, i * twist_step_a, scale_one + scale_step_vt * i, cumu_rot_matrice) axis_angle_align_with_local_rotate(i, i * twist_step_a, scale_one + scale_step_vt * i, cumu_rot_matrice)
rotate(x_90) rotate(x_90)