fix a bug with global rotation

src/polygon_draw.rs

@@ -115,13 +115,10 @@ impl Polygon {
         }
         let mut p_g;
         for p in self.points_teta.clone() {
-            p_g = p + self.global_teta;
+            p_g = (p + self.global_teta) % (2.0 * PI);
             if before <= p_g && p_g <= after {
                 return true;
             }
-            if p_g > after {
-                return false;
-            };
         }
         false
     }