Charavane/gridfinity-rebuilt-openscad
1
0
Fork 1
mirror of https://github.com/kennetek/gridfinity-rebuilt-openscad.git synced 2024-12-22 06:43:25 +00:00
Code Issues Projects Releases Packages Wiki Activity

Update affine_translate to support all axes.

Browse source
This commit is contained in:
Arthur Moore 2024-04-17 22:09:04 -04:00
parent 20492634d8
commit ff3a325b37
1 changed files with 10 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
generic-helpers.scad
View file

@ -103,14 +103,14 @@ function affine_rotate(angle_vector) =
_affine_rotate_z(angle_vector.z) * _affine_rotate_y(angle_vector.y) * _affine_rotate_x(angle_vector.x);
/**
* @brief Affine transformation matrix for 2d translation on the X,Y plane.
* @param vector 2d Vector to translate by.
* @returns an Affine transformation matrix for use with `multmatrix()`
* @brief Affine transformation matrix equivalent of `translate`
* @param vector @see `translate`
* @returns An affine transformation matrix for use with `multmatrix()`
*/
function affine_translation(vector) = [
[1, 0, 0, vector.y],
[0, 1, 0, 0],
[0, 0, 1, vector.x],
function affine_translate(vector) = [
[1, 0, 0, vector.x],
[0, 1, 0, vector.y],
[0, 0, 1, vector.z],
[0, 0, 0, 1]
];
@ -136,12 +136,12 @@ module sweep_rounded(width=10, length=10) {
];
// These contain the translations, but not the rotations
// OpenSCAD requires this hacky for loop to get accumulate to work!
first_translation = affine_translation(path_points[0]);
first_translation = affine_translate([path_points[0].y, 0,path_points[0].x]);
affine_translations = concat([first_translation], [
for (i = 0, a = first_translation;
i < len(path_vectors);
a=a * affine_translation(path_vectors[i]), i=i+1)
a * affine_translation(path_vectors[i])
a=a * affine_translate([path_vectors[i].y, 0, path_vectors[i].x]), i=i+1)
a * affine_translate([path_vectors[i].y, 0, path_vectors[i].x])
]);
// Affine matrix to rotate around X axis