diff --git a/include/physics_engine.h b/include/physics_engine.h
new file mode 100644
index 0000000..06683b7
--- /dev/null
+++ b/include/physics_engine.h
@@ -0,0 +1,17 @@
+#pragma once
+
+#include <memory>
+#include <vector>
+#include "physics_object.h"
+
+class PhysicsEngine {
+private:
+  std::vector<std::unique_ptr<PhysicsObject>> objects;
+  
+public:
+  void addObject(std::unique_ptr<PhysicsObject> obj);
+  void update(float dt);
+  void draw(sf::RenderWindow& window);
+};
+
+
diff --git a/src/PhysicsEngine.cpp b/src/PhysicsEngine.cpp
new file mode 100644
index 0000000..087ccf3
--- /dev/null
+++ b/src/PhysicsEngine.cpp
@@ -0,0 +1,23 @@
+#include "physics_engine.h"
+
+void PhysicsEngine::addObject(std::unique_ptr<PhysicsObject> obj) {
+  object.push_back(std::move(obj));
+}
+
+void PhysicsEngine::update(float dt) {
+  for (auto& obj : objects)
+    obj->update(dt); // update() func for objects to be declared
+  
+  for (int i = 0; i < objects.size(); i++) {
+    for (int j = i + 1; j < objects.size(); j++) {
+    // require a func to access x, y coordinates
+    }
+  }
+}
+
+void PhysicsEngine::draw(sf::RenderWindow& window) {
+  for (auto& obj : objects) 
+    obj->draw(window); // draw() func to open window and display collision
+}
+      
+