diff --git a/sdlpp.hpp b/sdlpp.hpp
index 06b432f..320b378 100644
--- a/sdlpp.hpp
+++ b/sdlpp.hpp
@@ -49,6 +49,9 @@ public:
             throw "Couldn't create window";
         }
     }
+    void setResizable(bool resizable) {
+        SDL_SetWindowResizable(window, resizable ? SDL_TRUE : SDL_FALSE);
+    }
     ~Window() {
         SDL_DestroyWindow( window );
     }
@@ -959,10 +962,10 @@ public:
     virtual void updateSizeAndPosition() override {
         updateXY();
         auto dimension = renderer->getSmallerSide();
-        rect.x = x_ * dimension;
-        rect.y = y_ * dimension;
-        rect.w = w_ * dimension;
-        rect.h = h_ * dimension;
+        rect.x = std::round(x_ * dimension);
+        rect.y = std::round(y_ * dimension);
+        rect.w = std::round((x_ + w_) * dimension) - rect.x;
+        rect.h = std::round((y_ + h_) * dimension) - rect.y;
         if ( polygon )
             polygon->updateCollision( collisionPushX(), collisionPushY(),
                                       collisionWidth(), collisionHeight() );