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Fix for #166: tweaks for xcopies, etc.

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Garth Minette
2020-11-30 21:09:00 -08:00
parent 021073863a
commit f36fbb60db
4 changed files with 83 additions and 23 deletions
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9
tests/test_transforms.scad
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@@ -106,14 +106,23 @@ test_up();
module test_scale() {
cb = cube(1);
vals = [[-1,-2,-3],[1,1,1],[3,6,2],[1,2,3],[243,75,147]];
for (val=vals) {
assert_equal(scale(point2d(val)), [[val.x,0,0],[0,val.y,0],[0,0,1]]);
assert_equal(scale(val), [[val.x,0,0,0],[0,val.y,0,0],[0,0,val.z,0],[0,0,0,1]]);
assert_equal(scale(val, p=[1,2,3]), vmul([1,2,3], val));
scale(val) nil();
}
assert_equal(scale(3), [[3,0,0,0],[0,3,0,0],[0,0,3,0],[0,0,0,1]]);
assert_equal(scale(3, p=[1,2,3]), 3*[1,2,3]);
assert_equal(scale(3, p=cb), cube(3));
assert_equal(scale(2, p=square(1)), square(2));
assert_equal(scale(2, cp=[1,1], p=square(1)), square(2, center=true));
assert_equal(scale([2,3], p=square(1)), square([2,3]));
assert_equal(scale([2,2], cp=[0.5,0.5], p=square(1)), move([-0.5,-0.5], p=square([2,2])));
assert_equal(scale([2,3,4], p=cb), cube([2,3,4]));
assert_equal(scale([-2,-3,-4], p=cb), [[for (p=cb[0]) vmul(p,[-2,-3,-4])], [for (f=cb[1]) reverse(f)]]);
// Verify that module at least doesn't crash.
scale(-5) scale(5) nil();
}