add CoordinateTools

src/utils/CoordinateTools.cpp

@@ -0,0 +1,16 @@
+#include "CoordinateTools.h"
+
+std::pair<int, int> physicalToLogical(const float screenX, const float screenY, SDL_Renderer* renderer) {
+    // 将窗口坐标转为逻辑坐标
+    float logicalX, logicalY;
+    SDL_RenderCoordinatesFromWindow(
+        renderer,
+        static_cast<float>(screenX),
+        static_cast<float>(screenY),
+        &logicalX,
+        &logicalY
+    );
+    int mouseX = static_cast<int>(logicalX);
+    int mouseY = static_cast<int>(logicalY);
+    return {logicalX, logicalY};
+}