The atlas can optionally be packed on entering Play mode or during a build and the graphics for a Sprite object will be obtained from the atlas once it is generated.
#Texture packer unity sprite sheets and singles manual
More info See in Glossary so that the user needs to do no manual assignment. In each Scene, you place your environments, obstacles, and decorations, essentially designing and building your game in pieces. Think of each unique Scene file as a unique level. Unity handles the generation and use of Sprite atlas textures behind the scenes A Scene contains the environments and menus of your game. Unity provides a Sprite Packer utility to automate the process of generating atlases from the individual Sprite textures. For optimal performance, it is best to pack graphics from several Sprite textures tightly together within a single Texture known as an atlas. However, a significant portion of a Sprite Texture will often be taken up by the empty space between the graphic elements and this space will result in wasted video memory at runtime. When designing Sprite graphics, it is convenient to work with a separate Texture file for each character. More info See in Glossary system when packing Textures. Also referred to as a texture atlas, image sprite, sprite sheet or packed texture. Existing Projects already using Sprite Packer will still be able to continue using it, however any new Project created in 2020.1 onwards will default to the Sprite Atlas A texture that is composed of several smaller textures. More info See in Glossary Packer is deprecated for Unity 2020.1 and newer, and will no longer be available as an option from Sprite Packer Modes. If you are used to working in 3D, Sprites are essentially just standard textures but there are special techniques for combining and managing sprite textures for efficiency and convenience during development. The Editor and Play mode will reference the original unpacked Textures.Please note that Sprite A 2D graphic objects. Select this mode to have Unity pack Sprites into the Sprite Atlas only when publishing a build. The packed Sprite Atlas is available when the project enters Play mode or when publishing a build. Select this mode to have Unity pack Sprites into the Sprite Atlas immediately when there are any changes. However, Sprites will reference the original unpacked Textures during Edit mode. Select this mode to have Unity pack selected Textures into the Sprite Atlas, and Sprites reference the packed Textures during runtime. The Editor and Play mode reference the original source Texture instead of the Texture within the Sprite Atlas. Select this mode to have Unity pack Sprites into the Sprite Atlas when publishing builds only. More info See in Glossary V1 - Enabled For Builds Sprite Atlas A texture that is composed of several smaller textures. Sprite Atlases are not built when the Project enters Play mode or when publishing a build. More info See in Glossary Atlas packing in the current Project. Select this mode to disable Sprite A 2D graphic objects. Select the Sprite Packer Mode to determine how Unity uses the Sprite Atlas within the Editor.
To enable or disable the Sprite Atlas default packing behavior, open the Editor settings (menu: Edit > Project Settings > Editor) and navigate to Sprite Packer > Mode.
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