From a5fa32e1e7d4dc5990c9d9e8cddd29efb7753215 Mon Sep 17 00:00:00 2001
From: Vitaliy Sapronenko <vsapronenko@gmail.com>
Date: Tue, 16 Apr 2024 04:36:47 +0300
Subject: [PATCH] Normalization anchor for sprite slice in dimensions of this
 slice (#12769)

# Objective

Fixes #12408 .
Fixes #12680.

## Solution

- Recaclulated anchor from dimensions of sprite to dimension of each
part of it (each part contains its own anchor)
---
 .../src/texture_slice/computed_slices.rs            | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/crates/bevy_sprite/src/texture_slice/computed_slices.rs b/crates/bevy_sprite/src/texture_slice/computed_slices.rs
index 1f08e9a817..c15fd264de 100644
--- a/crates/bevy_sprite/src/texture_slice/computed_slices.rs
+++ b/crates/bevy_sprite/src/texture_slice/computed_slices.rs
@@ -53,10 +53,21 @@ impl ComputedTextureSlices {
                 flip_x,
                 flip_y,
                 image_handle_id: handle.id(),
-                anchor: sprite.anchor.as_vec(),
+                anchor: Self::redepend_anchor_from_sprite_to_slice(sprite, slice),
             }
         })
     }
+
+    fn redepend_anchor_from_sprite_to_slice(sprite: &Sprite, slice: &TextureSlice) -> Vec2 {
+        let sprite_size = sprite
+            .custom_size
+            .unwrap_or(sprite.rect.unwrap_or_default().size());
+        if sprite_size == Vec2::ZERO {
+            sprite.anchor.as_vec()
+        } else {
+            sprite.anchor.as_vec() * sprite_size / slice.draw_size
+        }
+    }
 }
 
 /// Generates sprite slices for a `sprite` given a `scale_mode`. The slices