Account for scale in similarity inverse (#160)

fu5ha · Aug 28, 2023 · 79bb9c4 · 79bb9c4
1 parent 8598e31
commit 79bb9c4
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -4,6 +4,7 @@
 ## Unreleased
 
 - Add `num_traits::identities` support behind a `num-traits` feature flag
+- Fix inverse for similarities
 
 ## 0.9.1
 

diff --git a/src/transform.rs b/src/transform.rs
@@ -313,8 +313,8 @@ macro_rules! similarities {
             #[inline]
             pub fn inverse(&mut self) {
                 self.rotation.reverse();
-                self.translation = self.rotation * (-self.translation);
                 self.scale = $t::splat(1.0) / self.scale;
+                self.translation = self.rotation * (-self.translation) * self.scale;
             }
 
             #[inline]