From 326094caf3f41c56feddf3b7a33f9d4d04606dcb Mon Sep 17 00:00:00 2001
From: Jan Mrna <mj370@protonmail.com>
Date: Sat, 4 Oct 2025 17:10:20 +0200
Subject: [PATCH] Adde camera class

---
 cpp/src/camera.cpp | 16 ++++++++++++++++
 cpp/src/camera.hpp | 16 ++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 cpp/src/camera.cpp
 create mode 100644 cpp/src/camera.hpp

diff --git a/cpp/src/camera.cpp b/cpp/src/camera.cpp
new file mode 100644
index 0000000..322fe1f
--- /dev/null
+++ b/cpp/src/camera.cpp
@@ -0,0 +1,16 @@
+#include "camera.hpp"
+#include "math.hpp"
+
+
+// for now only pass-through placeholder functions,
+// since we draw the whole map 
+
+WindowPos Camera::WorldToWindow(WorldPos world) const
+{
+  return WindowPos{world[0], world[1]};
+}
+
+WorldPos Camera::WindowToWorld(WindowPos window) const
+{
+    return WorldPos{window[0], window[1]};
+}
diff --git a/cpp/src/camera.hpp b/cpp/src/camera.hpp
new file mode 100644
index 0000000..1df41ec
--- /dev/null
+++ b/cpp/src/camera.hpp
@@ -0,0 +1,16 @@
+#pragma once
+
+#include "math.hpp"
+
+class Camera
+{
+public:
+  WindowPos WorldToWindow(WorldPos) const;
+  WorldPos WindowToWorld(WindowPos) const;
+
+private:
+  // TODO this should be replaced with a matrix
+  float m_Zoom;
+  WorldPos m_RectCorner; // upper left corner (0,0) of the drawn regios
+
+};