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By Design

By Design in 6000.5.X

Votes

0

Found in

6000.3.9f1

6000.4.0b10

6000.5.0a7

Issue ID

UUM-135655

Regression

No

Sprite Atlas flips some Sprites horizontally when "Allow Rotation" is enabled

2D

-

How to reproduce:

  1. Open the “TestingSpriteAtlas_6.3.9f1.zip“ project
  2. Select the “NewSpriteAtlas“ Sprite Atlas in the Project tab
  3. Observe the preview at the bottom of the Inspector

Actual results: Some sprites are flipped horizontally
Expected results: All sprites face the same direction

Reproducible in: 6000.2.0a7, 6000.3.10f1, 6000.4.0b10, 6000.5.0a7
Not reproducible in: 6000.0.68f1, 6000.2.0a6

Reproduced on: Windows 11 Pro (25H2)
Not reproduced on: No other environment tested

Note: In 6000.5.0a7, one of the sprites is flipped vertically instead of horizontally, and the others are fine

  1. Resolution Note:

    https://docs.unity3d.com/Manual/sprite/atlas/sprite-atlas-reference.html

    Allow Rotation Check this box to allow the Sprites to rotate when Unity packs them into the Sprite Atlas. This maximizes the density of Sprites in the combined Texture, and is enabled by default. Disable this option if the Sprite Atlas contains Canvas UI element Textures, as when Unity rotates the Textures in the Sprite Atlas during packing, it rotates their orientation in the Scene
    as well.

  2. Resolution Note (6000.5.X):

    https://docs.unity3d.com/Manual/sprite/atlas/sprite-atlas-reference.html

    Allow Rotation Check this box to allow the Sprites to rotate when Unity packs them into the Sprite Atlas. This maximizes the density of Sprites in the combined Texture, and is enabled by default. Disable this option if the Sprite Atlas contains Canvas UI element Textures, as when Unity rotates the Textures in the Sprite Atlas during packing, it rotates their orientation in the Scene
    as well.

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