Make polygons deletable

Before, the deletion tool was not targeting polygons. I also took the
liberty to broaden the functionality of the surface trait, which now can
check if a rectangle or polygon is contained.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/tool/deletion_tool.rs b/src/tool/deletion_tool.rs
index 5031f5d..17dd949 100644
--- a/src/tool/deletion_tool.rs
+++ b/src/tool/deletion_tool.rs
@@ -25,13 +25,16 @@ impl DeletionTool {
     pub fn delete_rect(map_data: &mut MapData, rect: Rect<f32>) {
         map_data
             .rooms_mut()
-            .retain(|&room| !rect.contains_rect(room));
+            .retain(|&room| !rect.contains_rect(&room));
         map_data
             .walls_mut()
             .retain(|&(pos1, pos2)| !rect.contains_point(&pos1) || !rect.contains_point(&pos2));
         map_data
             .icons_mut()
             .retain(|icon| !rect.contains_point(&icon.position));
+        map_data
+            .polygons_mut()
+            .retain(|polygon| !rect.contains_polygon(&polygon));
     }
 }