refactors some variables and members

PlanePlugin.cc

@@ -211,7 +211,7 @@ void PlanePlugin::slotMouseEvent(QMouseEvent *_event) {
               double u = -1, v = -1, w = -1;
               rayPlaneIntersection(origin, viewDirection_, p0, p1, p2, u, v);
               w = 1 - (u + v);
-              result_ = (w * p0) + (u * p1) + (v * p2);
+              wMouseDownPosition_ = (w * p0) + (u * p1) + (v * p2);
             }
 
             if (target_idx == 0)
@@ -265,17 +265,17 @@ void PlanePlugin::slotMouseEvent(QMouseEvent *_event) {
           /// we dont really care about the result here
           rayPlaneIntersection(origin, dir, p0, p1, p2, u, v);
           const auto w = 1. - (u + v);
-          currWorldPos_ = (w * p0) + (u * p1) + (v * p2);
+          wCurrMousePos_ = (w * p0) + (u * p1) + (v * p2);
         }
 
         /// relative to plane
-        const auto currWorldPos = currWorldPos_ - plane.position;
-        const auto result = result_ - plane.position;
+        const auto wCurrMousePos = wCurrMousePos_ - plane.position;
+        const auto wMouseDownPosition = wMouseDownPosition_ - plane.position;
 
         /// update vector in worldspace
-        const auto worldSpaceUpdate = (currWorldPos - result) / 2.;
+        const auto worldSpaceUpdate = (wCurrMousePos - wMouseDownPosition) / 2.;
 
-        const auto distClickOrigin = result;
+        const auto distClickOrigin = wMouseDownPosition;
 
         /// scale by half updates length
         auto scale = (worldSpaceUpdate + distClickOrigin) / distClickOrigin;
@@ -303,7 +303,7 @@ void PlanePlugin::slotMouseEvent(QMouseEvent *_event) {
       // Stop dragging operation reset all properties
       dragging_ = false;
       pickedCorner_ = 0;
-      result_ = ACG::Vec3d{.0};
+      wMouseDownPosition_ = ACG::Vec3d{.0};
       viewStartCoord_ = ACG::Vec3d{.0};
       curPlane_ = nullptr;
       lastObjId_ = -1;

PlanePlugin.hh

@@ -142,8 +142,8 @@ private:
   int pickedCorner_;
 
   // world space coords of the dragging start position (through raycast)
-  ACG::Vec3d result_{.0};
-  ACG::Vec3d currWorldPos_{.0};
+  ACG::Vec3d wMouseDownPosition_{.0};
+  ACG::Vec3d wCurrMousePos_{.0};
   // view space coords of the dragging start position
   ACG::Vec3d viewStartCoord_{.0};
   ACG::Vec3d viewDirection_{.0};