Heavy buffer update, window update, object tracking

engine/NBGraphics/src/VertexData.cpp

@@ -0,0 +1,16 @@
+#include <NBGraphics/VertexData.hpp>
+
+namespace nb {
+
+VertexData::VertexData(
+    std::shared_ptr<Buffer> data_,
+    const std::vector<VertexAttribute>& attrs_
+) : data(data_), attributes(attrs_) {}
+
+VertexData::VertexData(
+    const ByteVector& data_,
+    const std::vector<VertexAttribute>& attrs_
+) : data(std::make_shared<Buffer>(GL_ARRAY_BUFFER, data_)), 
+    attributes(attrs_) {}
+
+} // namespace nb