character flipping

1 files changed, 12 insertions, 0 deletions

diff --git a/src/sim/entity/mod.rs b/src/sim/entity/mod.rs
index 59479a2..61f9d84 100644
--- a/src/sim/entity/mod.rs
+++ b/src/sim/entity/mod.rs
@@ -34,6 +34,18 @@ impl EntityCells {
             .fold(0.0, |acc, cur| acc + cur.material.def().density as f32)
             * MASS_SCALING
     }
+
+    pub fn flip_x(&mut self) {
+        let mut new_cells = Vec::with_capacity(self.cells.len());
+        for y in 0..self.size.y {
+            for rx in 0..self.size.x {
+                let x = self.size.x - rx - 1;
+                new_cells.push(self.get_cell_at_local_position(IVec2::new(x, y)));
+            }
+        }
+
+        self.cells = new_cells;
+    }
 }
 
 impl Marchable for EntityCells {