fix iOS implementation for set_animation

ios/include/PolyvoxFilamentApi.h

@@ -14,7 +14,7 @@ typedef struct ResourceBuffer ResourceBuffer;
 struct BoneAnimation {
     const char* const* const boneNames;
     const char* const* const meshNames;
-    float* const data;
+    const float* const data;
     size_t numBones;
     size_t numMeshTargets;
 };
@@ -56,9 +56,9 @@ void grab_end(void* viewer);
         
     void set_animation(
         void* asset, 
-        float* const morphData, 
+        const float* const morphData, 
         int numMorphWeights, 
-        BoneAnimation* const boneAnimations,
+        const BoneAnimation* const boneAnimations,
         int numBoneAnimations,
         int numFrames, 
         float frameLengthInMs

ios/include/SceneAsset.hpp

@@ -74,9 +74,9 @@ namespace polyvox {
             /// [morphData] and [boneData] will both be copied, so remember to free these after calling this function.
             ///
             void setAnimation(
-                float* morphData, 
+                const float* const morphData,
                 int numMorphWeights, 
-                BoneAnimation* targets,
+                const BoneAnimation* const targets,
                 int numBoneAnimations,
                 int numFrames, 
                 float frameLengthInMs

ios/include/SceneAssetAnimation.hpp

@@ -83,7 +83,7 @@ namespace polyvox {
 
       unique_ptr<vector<BoneTransformTarget>> mTargets;
       
-      RuntimeAnimation(float* morphData,
+      RuntimeAnimation(const float* const morphData,
                        int numMorphWeights,
                        unique_ptr<vector<BoneTransformTarget>>& targets,
                        int numFrames,
@@ -107,4 +107,4 @@ namespace polyvox {
     
 }
 
-#endif
+#endif