compute parameters when cubic values change

Diffs=
f21ebc98c compute parameters when cubic values change (#6207)

Co-authored-by: hernan <hernan@rive.app>

.rive_head

diff --git a/.rive_head b/.rive_head
index 6ade423..c9622a7 100644
--- a/.rive_head
+++ b/.rive_head
@@ -1 +1 @@
-5e33d8c962c55236d7de4275cd3ab4b040d9065f
+f21ebc98ccb32677eae36f23f89391f93767ca51

include/rive/animation/cubic_value_interpolator.hpp

diff --git a/include/rive/animation/cubic_value_interpolator.hpp b/include/rive/animation/cubic_value_interpolator.hpp
index a7aafc1..bbd724b 100644
--- a/include/rive/animation/cubic_value_interpolator.hpp
+++ b/include/rive/animation/cubic_value_interpolator.hpp
@@ -19,6 +19,7 @@
     CubicValueInterpolator();
     float transformValue(float valueFrom, float valueTo, float factor) override;
     float transform(float factor) const override;
+    StatusCode onAddedDirty(CoreContext* context) override;
 };
 } // namespace rive
 

src/animation/cubic_value_interpolator.cpp

diff --git a/src/animation/cubic_value_interpolator.cpp b/src/animation/cubic_value_interpolator.cpp
index 8f78112..ed4f607 100644
--- a/src/animation/cubic_value_interpolator.cpp
+++ b/src/animation/cubic_value_interpolator.cpp
@@ -35,4 +35,10 @@
 {
     assert(false);
     return factor;
+}
+
+StatusCode CubicValueInterpolator::onAddedDirty(CoreContext* context)
+{
+    computeParameters();
+    return Super::onAddedDirty(context);
 }
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