asd

sirius.cpp

@@ -229,17 +229,23 @@ public:
       vec2 currPotDiag1 = *getNextVertex(currVertex);
       vec2 currPotDiag2 = *getPreviousVertex(currVertex);
 
-      //check if current potential diagonal intersects any edges
-      // skipping edges that share a vertex with it
+      auto intersectsOtherEdges = [&]() -> bool {
         for (auto currEdgeStart = getPreviousVertex(getPreviousVertex(currVertex));
-           currEdgeStart != getNextVertex(getNextVertex(currVertex)); currEdgeStart = getPreviousVertex(currEdgeStart))
+             currEdgeStart != getNextVertex(getNextVertex(currVertex));
+             currEdgeStart = getPreviousVertex(currEdgeStart))
           if (intersectEachOther(vec2(currEdgeStart->x, currEdgeStart->y),
                                  vec2(getNextVertex(currEdgeStart)->x, getNextVertex(currEdgeStart)->y),
                                  currPotDiag1, currPotDiag2)) {
-          currVertex++;
-          break;
+            return true;
           }
+        return false;
+      };
 
+      //check if current potential diagonal intersects any edges
+      // skipping edges that share a vertex with it
+      if (intersectsOtherEdges()) {
+        currVertex++;
+      }
 
         //check if current potential diagonal is fully outside the polygon
         vec2 infinity(200, 200);
@@ -253,7 +259,7 @@ public:
           numberOfIntersections++;
       if (numberOfIntersections % 2 == 0) {
         currVertex++;
-        break; // the potential diagonal is fully outside, it's not an ear.
+        continue; // the potential diagonal is fully outside, it's not an ear.
       }
 
       //it's an ear!