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diff --git a/yage/physics/collider.h b/yage/physics/collider.h
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+/* ----------------------------------------------------------------------------
+ * collider.h
+ *
+ * Copyright (c) 2017 Yann Herklotz Grave <ymherklotz@gmail.com> -- MIT License
+ * See file LICENSE for more details
+ * ----------------------------------------------------------------------------
+ */
+
+#ifndef YAGE_PHYSICS_COLLIDER_H
+#define YAGE_PHYSICS_COLLIDER_H
+
+#include <glm/glm.hpp>
+
+namespace yage
+{
+
+// The Collider class helps collision detection by providing a general shape
+// for different shapes to have their own collision algorithms.
+class Collider
+{
+protected:
+    // position of the object
+    glm::vec2 position_;
+
+    // size of the object
+    glm::vec2 size_;
+
+public:
+    Collider(const glm::vec2 &position, const glm::vec2 &size)
+        : position_(position), size_(size)
+    {
+    }
+
+    // function that checks if two colliders are colliding
+    virtual bool collides(const Collider &collider) const = 0;
+
+    // function that returns if a point is inside the shape
+    virtual bool inside(const glm::vec2 &point) const = 0;
+};
+
+} // namespace yage
+
+#endif