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refactor

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This commit is contained in:
Justin Lin
2020-12-16 13:43:27 +08:00
parent a1c5956797
commit f704561fde
2 changed files with 23 additions and 12 deletions
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12
src/voxel/_impl/_vx_curve_impl.scad Normal file
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@@ -0,0 +1,12 @@
use <../vx_bezier.scad>;
function _vx_catmull_rom_spline_4pts(points, tightness) =
let(
p1x_0tightness = (points[2] - points[0]) / 4 + points[1],
v_p1x = points[1] - p1x_0tightness,
p1x = p1x_0tightness + v_p1x * tightness,
p2x_0tightness = (points[1] - points[3]) / 4 + points[2],
v_p2x = points[2] - p2x_0tightness,
p2x = p2x_0tightness + v_p2x * tightness
)
vx_bezier(points[1], p1x, p2x, points[2]);

23
src/voxel/vx_curve.scad
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@@ -1,17 +1,16 @@
/**
* vx_curve.scad
*
* @copyright Justin Lin, 2020
* @license https://opensource.org/licenses/lgpl-3.0.html
*
* @see https://openhome.cc/eGossip/OpenSCAD/lib2x-vx_curve.html
*
**/
use <_impl/_vx_curve_impl.scad>;
use <../util/sort.scad>;
use <../util/dedup.scad>;
use <vx_bezier.scad>;
function _vx_catmull_rom_spline_4pts(points, tightness) =
let(
p1x_0tightness = (points[2] - points[0]) / 4 + points[1],
v_p1x = points[1] - p1x_0tightness,
p1x = p1x_0tightness + v_p1x * tightness,
p2x_0tightness = (points[1] - points[3]) / 4 + points[2],
v_p2x = points[2] - p2x_0tightness,
p2x = p2x_0tightness + v_p2x * tightness
)
vx_bezier(points[1], p1x, p2x, points[2]);
function vx_curve(points, tightness = 0) =
let(