const tweaks

diff --git a/include/rive/shapes/cubic_vertex.hpp b/include/rive/shapes/cubic_vertex.hpp
index 717f7ea..b4ee4e4 100644
--- a/include/rive/shapes/cubic_vertex.hpp
+++ b/include/rive/shapes/cubic_vertex.hpp

@@ -26,7 +26,8 @@
         void xChanged() override;
         void yChanged() override;
 
-        void deform(Mat2D& worldTransform, float* boneTransforms) override;
+        void deform(const Mat2D& worldTransform,
+                    const float* boneTransforms) override;
     };
 } // namespace rive
 

diff --git a/include/rive/shapes/path_vertex.hpp b/include/rive/shapes/path_vertex.hpp
index d2b3054..e8e37fb 100644
--- a/include/rive/shapes/path_vertex.hpp
+++ b/include/rive/shapes/path_vertex.hpp

@@ -14,7 +14,8 @@
     public:
         StatusCode onAddedDirty(CoreContext* context) override;
         template <typename T> T* weight() { return m_Weight->as<T>(); }
-        virtual void deform(Mat2D& worldTransform, float* boneTransforms);
+        virtual void deform(const Mat2D& worldTransform,
+                            const float* boneTransforms);
         bool hasWeight() { return m_Weight != nullptr; }
         Vec2D renderTranslation();
 

diff --git a/src/shapes/cubic_vertex.cpp b/src/shapes/cubic_vertex.cpp
index baeb1a6..1a1c7c8 100644
--- a/src/shapes/cubic_vertex.cpp
+++ b/src/shapes/cubic_vertex.cpp

@@ -53,7 +53,8 @@
     m_InValid = m_OutValid = false;
 }
 
-void CubicVertex::deform(Mat2D& worldTransform, float* boneTransforms) {
+void CubicVertex::deform(const Mat2D& worldTransform,
+                         const float* boneTransforms) {
     Super::deform(worldTransform, boneTransforms);
 
     auto cubicWeight = weight<CubicWeight>();

diff --git a/src/shapes/path_vertex.cpp b/src/shapes/path_vertex.cpp
index 220a68f..32f90a4 100644
--- a/src/shapes/path_vertex.cpp
+++ b/src/shapes/path_vertex.cpp

@@ -34,7 +34,8 @@
 void PathVertex::xChanged() { markPathDirty(); }
 void PathVertex::yChanged() { markPathDirty(); }
 
-void PathVertex::deform(Mat2D& worldTransform, float* boneTransforms) {
+void PathVertex::deform(const Mat2D& worldTransform,
+                        const float* boneTransforms) {
     Weight::deform(x(),
                    y(),
                    m_Weight->indices(),