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refactor: vt operation

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Justin Lin
2022-04-21 08:25:32 +08:00
parent 74b1715e97
commit 9401aeb510
1 changed files with 7 additions and 19 deletions
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26
src/path_scaling_sections.scad
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@@ -8,25 +8,13 @@
*
**/
use <util/reverse.scad>;
use <matrix/m_scaling.scad>;
function path_scaling_sections(shape_pts, edge_path) =
let(
start_point = edge_path[0],
base_leng = norm(start_point),
scaling_matrice = [
for(p = edge_path)
let(s = norm([p.x, p.y, 0]) / base_leng)
m_scaling([s, s, 1])
],
leng_edge_path = len(edge_path)
)
reverse([
for(i = 0; i < leng_edge_path; i = i + 1)
let(base_leng = norm(edge_path[0]))
[
for(i = [len(edge_path) - 1:-1:0])
let(edge_p = edge_path[i], s = norm([edge_p.x, edge_p.y] / base_leng))
[
for(p = shape_pts)
let(scaled_p = scaling_matrice[i] * [p.x, p.y, edge_path[i].z, 1])
[scaled_p.x, scaled_p.y, scaled_p.z]
for(p = shape_pts * s)
[p.x, p.y, edge_p.z]
]
]);
];