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refactor

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This commit is contained in:
Justin Lin
2022-03-07 10:48:56 +08:00
parent 90006a6b20
commit 118e1191dd
1 changed files with 15 additions and 9 deletions
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18
src/cross_sections.scad
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@@ -9,7 +9,10 @@
**/
use <__comm__/__to3d.scad>;
use <ptf/ptf_rotate.scad>;
use <matrix/m_scaling.scad>;
use <matrix/m_translation.scad>;
use <matrix/m_rotation.scad>;
function cross_sections(shape_pts, path_pts, angles, twist = 0, scale = 1.0) =
let(
@@ -23,12 +26,15 @@ function cross_sections(shape_pts, path_pts, angles, twist = 0, scale = 1.0) =
)
[
for(i = 0; i <= len_path_pts_minus_one; i = i + 1)
let(
transform_m = m_translation(pth_pts[i]) *
m_rotation(angles[i]) *
m_rotation(twist_step * i) *
m_scaling([1 + scale_step_vt.x * i, 1 + scale_step_vt.y * i, 1])
)
[
for(p = sh_pts)
let(scaled_p = [p.x * (1 + scale_step_vt.x * i), p.y * (1 + scale_step_vt.y * i), p.z])
ptf_rotate(
ptf_rotate(scaled_p, twist_step * i)
, angles[i]
) + pth_pts[i]
let(transformed = transform_m * [each p, 1])
[transformed.x, transformed.y, transformed.z]
]
];