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Allow points/anchors to resist special mirror treatment

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This commit is contained in:
Bán Dénes 2022-12-04 12:24:17 +01:00
parent 2cfdf10327
commit 3aef729465
4 changed files with 54 additions and 16 deletions
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15
test/unit/point.js
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@ -36,7 +36,7 @@ describe('Point', function() {
it('shifting', function() {
const p = new Point(0, 0, -90) // at origin, "looking right"
// absolute shift up and left, should be up and left
// non-relative shift up and left, should be up and left
check(p.clone().shift([-1, 1], false), [-1, 1, -90, {}])
// relative shift up and left, should be up and right
check(p.clone().shift([-1, 1]), [1, 1, -90, {}])
@ -50,6 +50,19 @@ describe('Point', function() {
check(p.clone().rotate(-90, [1, 1]), [1, 2, -90, {}])
})
it('resistance', function() {
const p = new Point(0, 0, 0, {mirrored: true}) // origin, but mirrored
// non-relative shift up and left, mirroring changes it to up and right
check(p.clone().shift([-1, 1], false), [1, 1, 0, {mirrored: true}])
// ...but resistance keeps it up and left
check(p.clone().shift([-1, 1], false, true), [-1, 1, 0, {mirrored: true}])
// mirroring changes rotation direction, too
check(p.clone().rotate(-90), [0, 0, 90, {mirrored: true}])
// ...but not when resistance is applied
check(p.clone().rotate(-90, false, true), [0, 0, -90, {mirrored: true}])
})
it('mirroring', function() {
const p = new Point(0, 1, 0)
// make sure mirroring inverts rotation, as well as positions correctly