diff --git a/src/utils/Tools.h b/src/utils/Tools.h
new file mode 100644
index 0000000..c45d47e
--- /dev/null
+++ b/src/utils/Tools.h
@@ -0,0 +1,19 @@
+#pragma once
+#include <utility>
+#include "Config.h"
+
+namespace Tools {
+    inline std::pair<int, int> physicalToLogical(float physicalX, float physicalY, const Viewport& viewport) {
+        std::pair<int, int> logicalPoint = {0 , 0};
+        
+        // 计算相对于目标矩形的坐标
+        float normalizedX = (physicalX - viewport.dst.x) / viewport.dst.w;
+        float normalizedY = (physicalY - viewport.dst.y) / viewport.dst.h;
+        
+        // 转换为逻辑坐标
+        logicalPoint.first = static_cast<int>(normalizedX * viewport.logicalWidth);
+        logicalPoint.second = static_cast<int>(normalizedY * viewport.logicalHeight);
+
+        return logicalPoint;
+    }
+}
\ No newline at end of file