Sprite atlas

Imagine you have a game in Unity where you use thousands of materials all across the project, whether for characters, NPCs, environments, UI, or anything sprite atlas.

In computer graphics , a texture atlas also called a spritesheet or an image sprite in 2d game development is an image containing multiple smaller images, usually packed together to reduce overall dimensions. In an application where many small textures are used frequently, it is often more efficient to store the textures in a texture atlas which is treated as a single unit by the graphics hardware. Careful alignment may be needed to avoid bleeding between sub textures when used with mipmapping and texture compression. In web development , images are packed into a sprite sheet to reduce the number of image resources that need to be fetched in order to display a page. Contents move to sidebar hide.

Sprite atlas

The original version 1 of the Sprite A 2D graphic objects. 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. More info See in Glossary Atlas system packs textures from sprites, sprites within textures, and sprites in folders into an Atlas Texture. It packs these textures when it enters Play mode, or when it builds the Player or an AssetBundle. Note: From Unity Also referred to as a texture atlas, image sprite, sprite sheet or packed texture. There are no changes to the Inspector A Unity window that displays information about the currently selected GameObject, asset or project settings, allowing you to inspect and edit the values. More info See in Glossary properties and settings from that of Sprite Atlas V1 except for the following. The imported Sprite Atlas object is located at the bottom of the Inspector. The Pack Preview window displayed at the bottom of the Inspector window. Sprite Atlas V2 is automatically enabled by default by the Editor from Unity If you select Sprite Atlas V2 - Enabled for Builds , Unity only packs Sprite Atlases when building Players, AssetBundles, or Addressable build scripts A piece of code that allows you to create your own Components, trigger game events, modify Component properties over time and respond to user input in any way you like. More info See in Glossary. When the Editor is in Edit mode, sprites continue to use their original textures and not textures from a packed Sprite Atlas.

Unity User Manual Scripting API. When you set this property to VariantUnity reveals additional property settings.

Unity creates the Sprite Atlas in the Assets folder, with the file extension. Version: Language : English. Unity Manual. Unity User Manual Sprite Atlas. Master and Variant Sprite Atlases.

Follow the steps below to create a Sprite A 2D graphic objects. 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. More info See in Glossary Atlas asset and how to select different options and features when you include a sprite atlas in your projects. You must have the 2D Sprite package installed to have the option to create a Sprite Atlas asset. This package is part of the 2D feature set and is automatically installed if you select the 2D template when creating a new project. The Objects for Packing list displays the currently selected items that are in the Sprite Atlas. You can place Texture2D and Sprite Assets in this list. Drag and drop a folder directly onto the list to automatically add all valid content within the folder to the list only the folder appears on the list.

Sprite atlas

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. More info See in Glossary and other graphics to create the visuals of its Scenes A Scene contains the environments and menus of your game. Think of each unique Scene file as a unique level. In each Scene, you place your environments, obstacles, and decorations, essentially designing and building your game in pieces. More info See in Glossary. This means a single Project might contain many Texture files.

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A Sprite can be loaded without referencing any Sprite Atlas. More info See in Glossary. It packs these textures when it enters Play mode, or when it builds the Player or an AssetBundle. Check this box to enable mipmap generation. This was an example of a simple game optimization technique using sprite atlas. For more information about the two types, refer to Master and Variant Sprite Atlases. When you set this property to Variant , Unity reveals additional property settings. Pixel size depends on your screen resolution. Each image has its own sprite texture. ToString Returns the name of the object. 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 A Scene contains the environments and menus of your game. This means that the sprite will be able to acquire the packed texture from the Sprite Atlas when loaded.

Sprite Atlas is created via the menu option in the Editor and will stay as an asset Any media or data that can be used in your game or Project. An asset may come from a file created outside of Unity, such as a 3D model, an audio file or an image.

It also provides dedicated texture settings in the inspector for the packed texture. The original version 1 of the Sprite A 2D graphic objects. After creating and naming a sprite atlas, you will be prompted with a sprite atlas settings page similar to Unity's default texture import settings. Unity creates the Sprite Atlas in the Assets folder, with the file extension. Static Batching : This batching combines static GameObjects and renders them together. Thank you for helping us improve the quality of Unity Documentation. Even worse, it might significantly affect your FPS and make your game unplayable if it isn't managed well. Check this box to store Textures in gamma space. That has resulted in Unity generating 12 draw batches because it treats every object as an independent texture with its own unique material. Toggle limited content width.