make init private in subclasses

src/gpu/core/PreCollisionInteractor/Actuator/ActuatorFarm.h

@@ -81,7 +81,6 @@ public:
 
     ~ActuatorFarm();
 
-    void init() override;
     void interact(int level, uint t) override;
     void getTaggedFluidNodes(GridProvider* gridProvider) override;
 
@@ -167,6 +166,7 @@ public:
     virtual void updateForcesAndCoordinates()=0;
 
 private:
+    void init() override;
     void initTurbineGeometries();
     void initBoundingSpheres();
     void initBladeCoords();

src/gpu/core/PreCollisionInteractor/PrecursorWriter.h

@@ -119,7 +119,6 @@ public:
 
     ~PrecursorWriter();
 
-    void init() override;
     void interact(int level, uint t) override;
     void getTaggedFluidNodes(GridProvider* gridProvider) override;
 
@@ -131,6 +130,7 @@ public:
     void setWritePrecision(uint writePrecision){ this->writePrecision=writePrecision;}
     
 private:
+    void init() override;
     WbWriterVtkXmlImageBinary* getWriter(){ return WbWriterVtkXmlImageBinary::getInstance(); };
     void write(int level, uint numberOfTimestepsBuffered);
 

src/gpu/core/PreCollisionInteractor/Probes/Probe.h

@@ -164,7 +164,6 @@ public:
     }
 
     ~Probe();
-    void init() override;
     void interact(int level, uint t) override;
 
     SPtr<ProbeStruct> getProbeStruct(int level){ return this->probeParams[level]; }
@@ -182,6 +181,7 @@ protected:
     real getNondimensionalConversionFactor(int level);
 
 private:
+    void init() override;
     virtual bool isAvailableStatistic(Statistic _variable) = 0;
 
     virtual std::vector<PostProcessingVariable> getPostProcessingVariables(Statistic variable) = 0;