1 files changed, 18 insertions, 0 deletions
diff --git a/VertexProvider.h b/VertexProvider.h
new file mode 100644
index 0000000..fadda04
--- /dev/null
+++ b/VertexProvider.h
@@ -0,0 +1,18 @@
+#ifndef VERTEXPROVIDER_H_
+#define VERTEXPROVIDER_H_
+
+#include "Vertex.h"
+
+
+class VertexProvider {
+  public:
+    virtual ~VertexProvider() {}
+    
+    virtual const Vertex* getVertex(size_t id) const = 0;
+    virtual size_t getVertexCount() const = 0;
+    
+    virtual void moveVertex(size_t id, float x, float y) {}
+    virtual void rotateVertex(size_t id, float a) {}
+};
+
+#endif /*VERTEXPROVIDER_H_*/