Adjust view offset anim together with offset

Not doing this caused quickly moving a column right and left to base the
final view position on an incorrect view offset.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/animation/mod.rs b/src/animation/mod.rs
index 7984b0d9..d8e8cbd5 100644
--- a/src/animation/mod.rs
+++ b/src/animation/mod.rs
@@ -261,6 +261,16 @@ impl Animation {
     pub fn from(&self) -> f64 {
         self.from
     }
+
+    pub fn offset(&mut self, offset: f64) {
+        self.from += offset;
+        self.to += offset;
+
+        if let Kind::Spring(spring) = &mut self.kind {
+            spring.from += offset;
+            spring.to += offset;
+        }
+    }
 }
 
 impl Curve {