update center click

Signed-off-by: Ian Chen <[email protected]>

src/Utils_TEST.cc

@@ -130,15 +130,6 @@ void UtilTest::ClickToScene(const std::string &_renderEngine)
     return;
   }
 
-  // \todo(anyone)
-  // the centerClick var above is set to a screen pos of (width/2, height/2).
-  // This is off-by-1. The actual center pos should be at
-  // (width/2 - 1, height/2 - 1) so the result.X() and result.Y() is a bit off
-  // from the expected position. However, fixing the centerClick above caused
-  // the screenToPlane tests to fail so only modifying the pos here, and the
-  // cause of test failure need to be investigated.
-  centerClick = ignition::math::Vector2i(halfWidth-1, halfHeight-1);
-
   // API without RayQueryResult and default max distance
   result = screenToScene(centerClick, camera, rayQuery, rayResult);