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Dropped affine2d_chain(), affine3d_chain(). Improved affine.scad docs.

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Garth Minette
2021-01-20 18:06:46 -08:00
parent 6e42a1189d
commit c2129972c3
3 changed files with 526 additions and 437 deletions
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31
tests/test_affine.scad
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@@ -31,8 +31,21 @@ module test_is_2d_transform() {
test_is_2d_transform();
module test_is_affine() {
assert(is_affine(affine2d_scale([2,3])));
assert(is_affine(affine3d_scale([2,3,4])));
assert(!is_affine(affine3d_scale([2,3,4]),2));
assert(is_affine(affine2d_scale([2,3]),2));
assert(is_affine(affine3d_scale([2,3,4]),3));
assert(!is_affine(affine2d_scale([2,3]),3));
}
test_is_affine();
module test_affine2d_to_3d() {
assert(affine2d_to_3d(affine2d_identity()) == affine3d_identity());
assert(affine2d_to_3d(affine2d_translate([30,40])) == affine3d_translate([30,40,0]));
assert(affine2d_to_3d(affine2d_scale([3,4])) == affine3d_scale([3,4,1]));
assert(affine2d_to_3d(affine2d_zrot(30)) == affine3d_zrot(30));
}
test_affine2d_to_3d();
@@ -88,15 +101,6 @@ module test_affine2d_skew() {
test_affine2d_skew();
module test_affine2d_chain() {
t = affine2d_translate([15,30]);
s = affine2d_scale([1.5,2]);
r = affine2d_zrot(30);
assert(affine2d_chain([t,s,r]) == r * s * t);
}
test_affine2d_chain();
// 3D
module test_affine3d_identity() {
@@ -210,15 +214,6 @@ module test_affine3d_skew_yz() {
test_affine3d_skew_yz();
module test_affine3d_chain() {
t = affine3d_translate([15,30,23]);
s = affine3d_scale([1.5,2,1.8]);
r = affine3d_zrot(30);
assert(affine3d_chain([t,s,r]) == r * s * t);
}
test_affine3d_chain();
////////////////////////////
module test_affine3d_frame_map() {