Prepare your spritesA 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 and existing materials to be lit by 2D lighting.
To light a sprite with 2D lights, first go to the Sprite RendererA component that lets you display images as Sprites for use in both 2D and 3D scenes. More info
See in Glossary component of the sprite and assign a material with a ShaderA program that runs on the GPU. More info
See in Glossary that reacts to 2D lights. When you drag sprites onto the sceneA 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, Unity automatically assigns the Sprite-Lit-Default
material to them which enables them to interact and appear lit by 2D lights.
You can also create a custom Shader that reacts to lights with the Shader Graph package.
If you are installing the URP package into an existing project with preexisting prefabsAn asset type that allows you to store a GameObject complete with components and properties. The prefab acts as a template from which you can create new object instances in the scene. More info
See in Glossary, materials or scenes, you will need to upgrade any materials used to a lighting compatible Shader if you want to use the package’s 2D lighting features.
Warning: The following task automatically upgrades a scene or project in a one way process. Unity can’t revert upgraded scenes or projects to their previous state. Before you start this task, back up any files you don’t want to lose or converted.
To upgrade your project, go to Window > Rendering > Render Pipeline Converter. Enable Material Upgrade and then select Convert Assets to begin the upgrade.
For information on converting assets made for a Built-in Render PipelineA series of operations that take the contents of a Scene, and displays them on a screen. Unity lets you choose from pre-built render pipelines, or write your own. More info
See in Glossary project to assets compatible with 2D URP, refer to Render Pipeline Converter.
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