From 0e780ff2901e3fb1c31480521932c4db1e48f954 Mon Sep 17 00:00:00 2001
From: churl <tobi@urpost.de>
Date: Thu, 8 Apr 2021 03:18:12 +0200
Subject: [PATCH] begin implementing polymorphism

---
 src/object.hpp | 20 ++++++++++++++++++++
 src/umwelt.hpp | 11 +++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 src/object.hpp
 create mode 100644 src/umwelt.hpp

diff --git a/src/object.hpp b/src/object.hpp
new file mode 100644
index 0000000..01dd0d2
--- /dev/null
+++ b/src/object.hpp
@@ -0,0 +1,20 @@
+#ifndef __OBJECT_H_
+#define __OBJECT_H_
+
+#include <SFML/Graphics.hpp>
+
+class Object {
+protected:
+  double x, y;
+  const unsigned short radius;
+
+  sf::CircleShape appearance;
+
+protected:
+  Object(double x, double y, unsigned short radius);
+
+public:
+  virtual bool collide(const Object& other);
+};
+
+#endif // __OBJECT_H_
diff --git a/src/umwelt.hpp b/src/umwelt.hpp
new file mode 100644
index 0000000..ed371ae
--- /dev/null
+++ b/src/umwelt.hpp
@@ -0,0 +1,11 @@
+#ifndef __UMWELT_H_
+#define __UMWELT_H_
+
+#include <vector>
+#include "object.hpp"
+
+struct Umwelt {
+  std::vector<Object> objects;
+};
+
+#endif // __UMWELT_H_