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refactor

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This commit is contained in:
Justin Lin 2022-05-03 09:27:23 +08:00
parent 6046591497
commit f8a5752dd2
1 changed files with 20 additions and 38 deletions
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58
src/path_extrude.scad
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@ -51,15 +51,6 @@ module path_extrude(shape_pts, path_pts, triangles = "SOLID", twist = 0, scale =
[a, v]
];
rot_matrice = [
for(ang_vect = local_ang_vects(len_path_pts - 2))
m_rotation(ang_vect[0], ang_vect[1])
];
leng_rot_matrice = len(rot_matrice);
leng_rot_matrice_minus_one = leng_rot_matrice - 1;
leng_rot_matrice_minus_two= leng_rot_matrice - 2;
identity_matrix = [
[1, 0, 0, 0],
[0, 1, 0, 0],
@ -67,27 +58,22 @@ module path_extrude(shape_pts, path_pts, triangles = "SOLID", twist = 0, scale =
[0, 0, 0, 1]
];
function cumulated_rot_matrice(i) =
leng_rot_matrice == 0 ? [identity_matrix] :
leng_rot_matrice == 1 ? [rot_matrice[0], identity_matrix] :
i == leng_rot_matrice_minus_two ?
[
rot_matrice[leng_rot_matrice_minus_one],
rot_matrice[leng_rot_matrice_minus_two] * rot_matrice[leng_rot_matrice_minus_one]
]
:
cumulated_rot_matrice_sub(i);
function cumulated_rot_matrice_sub(i) =
let(
matrice = cumulated_rot_matrice(i + 1),
curr_matrix = rot_matrice[i],
prev_matrix = matrice[len(matrice) - 1]
)
[each matrice, curr_matrix * prev_matrix];
cumu_rot_matrice = cumulated_rot_matrice(0);
rot_matrice = [
for(ang_vect = local_ang_vects(len_path_pts - 2))
m_rotation(ang_vect[0], ang_vect[1])
];
leng_rot_matrice = len(rot_matrice);
cumu_rot_matrice = leng_rot_matrice <= 1 ?
[each rot_matrice, identity_matrix] :
[
for(
i = leng_rot_matrice - 1, m = rot_matrice[i];
i > -1;
i = i - 1, m = i == -1 ? undef : rot_matrice[i] * m
)
m
];
// get all sections
@ -102,12 +88,7 @@ module path_extrude(shape_pts, path_pts, triangles = "SOLID", twist = 0, scale =
[transformed.x, transformed.y, transformed.z]
];
function local_rotate_section(j, init_a, init_s) =
j == 0 ?
init_section(init_a, init_s) :
local_rotate_section_sub(j, init_a, init_s);
function local_rotate_section_sub(j, init_a, init_s) =
function local_rotate_section(j, init_a, init_s) =
let(
ms = cumu_rot_matrice[j - 1],
ms0 = ms[0],
@ -124,16 +105,17 @@ module path_extrude(shape_pts, path_pts, triangles = "SOLID", twist = 0, scale =
sections =
let(
fst_section = translate_pts(local_rotate_section(0, 0, one), pth_pts[0]),
fst_section = translate_pts(init_section(0, one), pth_pts[0]),
snd_section = translate_pts(init_section(0, one + scale_step_vt), pth_pts[1]),
end_i = len_path_pts - 1,
remain_sections = [
for(i = 0; i < end_i; i = i + 1)
for(i = 1; i < end_i; i = i + 1)
translate_pts(
local_rotate_section(i, i * twist_step_a, one + scale_step_vt * (i + 1)),
pth_pts[i + 1]
)
]
) [fst_section, each remain_sections];
) [fst_section, snd_section, each remain_sections];
calculated_sections =
closed && pth_pts[0] == pth_pts[len_path_pts_minus_one] ?