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Code Issues Releases Wiki Activity

refactor: look_at or not

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Justin Lin
2022-03-30 14:37:00 +08:00
parent ba5b184d16
commit 22ec55cfac
1 changed files with 14 additions and 18 deletions
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32
src/along_with.scad
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@@ -125,21 +125,13 @@ module along_with(points, angles, twist = 0, scale = 1.0, method = "AXIS_ANGLE")
each[for(a = angs) [0, -a[0], a[1]]]
];
module euler_angle_align(i, angs) {
if(angles_defined) {
translate(pts[i])
rotate(twist_step_a * i + angs[i])
scale([1, 1, 1] + scale_step_vt * i)
children(0);
}
else {
translate(pts[i])
rotate(angs[i])
rotate([90, 0, -90])
rotate(twist_step_a * i)
scale([1, 1, 1] + scale_step_vt * i)
children(0);
}
module euler_angle_align(i, angs, look_at) {
translate(pts[i])
rotate(angs[i])
rotate(look_at)
rotate(twist_step_a * i)
scale([1, 1, 1] + scale_step_vt * i)
children(0);
}
// <<< end: modules and functions for "EULER-ANGLE"
@@ -185,15 +177,19 @@ module along_with(points, angles, twist = 0, scale = 1.0, method = "AXIS_ANGLE")
}
}
else if(method == "EULER_ANGLE") {
angs = angles_defined ? angles : euler_angle_path_angles($children);
angs = angles_defined ?
(is_list(angles) ? angles : [for(angle = angles) [0, 0, angle]]) :
euler_angle_path_angles($children);
look_at = angles_defined ? [0, 0, 0] : [90, 0, -90];
if($children == 1) {
for(i = [0:leng_points_minus_one]) {
euler_angle_align(i, angs) children(0);
euler_angle_align(i, angs, look_at) children(0);
}
} else {
for(i = [0:min(leng_points, $children) - 1]) {
euler_angle_align(i, angs) children(i);
euler_angle_align(i, angs, look_at) children(i);
}
}