The Lighting window (menu: Window > Rendering > Lighting Settings) is the main control point for Unity’s lighting features. You can use the Lighting window to configure lighting for your Scene, to adjust settings related to precomputing lighting data, and to optimise your lighting for quality, speed and storage space.
The options available in the Lighting window vary depending on which render pipeline your Project uses.
The Lighting window contains 3 tabs:
You can perform many of the functions available in this window via scripts, using the LightmapEditorSettings and Lightmapping APIs.
The Scene tab contains lighting-related settings and controls that apply to the current Scene.
This section contains settings for the Skybox, diffuse lighting and reflections.
| Propiedad: | Función: | |
|---|---|---|
| Skybox Material | A Skybox is a Material that appears behind everything else in the Scene to simulate the sky or other distant background. Use this property to choose the Skybox you want to use for the Scene. The default value is the built-in Default Skybox. | |
| Sun Source | When the Skybox Material is a Procedural Skybox, use this setting to specify a GameObject with a directional Light component to indicate the direction of the sun (or whatever large, distant light source is illuminating your Scene). If this is set to None, the brightest directional light in the Scene is assumed to represent the sun. The default value is None. | |
| Environment Lighting | This section contains settings that affect ambient light in the current Scene. | |
| Source | Use this to define a source color for ambient light in the Scene. The default value is Skybox. | |
| Skybox | Use the colors of the Skybox set in Skybox Material to determine the ambient light coming from different angles. This allows for more precise effects than Gradient. | |
| Gradient | Choose separate colors for ambient light from the sky, horizon and ground, and blend smoothly between them. | |
| Color | Use a flat color for all ambient light. | |
| Intensity Multiplier | Use this to set the brightness of the ambient light in the Scene, defined as a value between 0 and 8. The default value is 1. | |
| Ambient Mode | In the Built-in Render Pipeline, use this to specify which Global Illumination mode should be used to determine ambient light in the Scene. This property is only available when both Realtime Global Illumination and Baked Global Illumination are enabled in the Scene. | |
| Tiempo Real | Calculate and update ambient light in real-time, using Realtime Global Illumination (deprecated). | |
| Baked | Precompute the ambient light in the Editor, and then apply it at runtime. | |
| Environment Reflections | This section contains global settings for Reflection Probe baking, and settings that affect global reflections. | |
| Source | Use this setting to specify whether you want to use the Skybox for reflection effects, or a cubemap of your choice. The default value is Skybox. | |
| Skybox | Select this to use the Skybox as the reflection source. | |
| Custom | Select this to use a cubemap for reflections. | |
| Resolution | Use this to set the resolution of the Skybox for reflection purposes. This property is visible only when Source is set to Skybox. | |
| Cubemap | Use this to specify the cubemap to use for reflection purposes. This property is visible only when Source is set to Cubemap. | |
| Compression | Use this to define whether or not reflection textures are compressed. The default setting is Auto. | |
| Auto | The reflection texture is compressed if the compression format is suitable. | |
| Sin comprimir | The reflection texture is stored in memory uncompressed. | |
| Compressed | The texture is compressed. | |
| Intensity Multiplier | The degree to which the reflection source is visible in reflective objects. | |
| Bounces | A reflection bounce occurs when a reflection from one object is then reflected by another object. Use this property to set how many times the Reflection Probes evaluate bounces back and forth between objects. If this is set to 1, then Unity only takes the initial reflection (from the skybox or cube map specified in the Reflection Source property) into account. | |
This section is visible only when using the Built-in Render Pipeline. It contains settings related to Realtime Global Illumination using Enlighten (deprecated).
| Propiedad: | Función: |
|---|---|
| Realtime Global Illumination (deprecated) | If this checkbox is ticked, Unity enables Realtime Global Illumination using Enlighten. Note that Enlighten is deprecated, and will soon be removed. |
This section contains settings that affect the behavior of Baked Lights and Mixed Lights in your Scene.
| Propiedad: | Función: | |
|---|---|---|
| Baked Global Illumination | When this setting is enabled, Baked lights in the Scene are used for lightmapping only, and Mixed lights behave according to the Lighting Mode setting. When this setting is disabled, Unity forces all Baked and Mixed lights in the Scene to act as though they were Realtime Lights. | |
| Lighting Mode | Specifies which Lighting Mode will be used for all Mixed Lights in the Scene. When you change the Lighting Mode, you need to re-bake the Scene. If Auto Generate is enabled in the Lighting window, this happens automatically. If Auto Generate is not enabled, click Generate Lighting to see the updated lighting effect. |
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| Baked Indirect | Use Baked Indirect Lighting Mode for all Mixed Lights in the current Scene. | |
| Subtractive | Use Subtractive Lighting Mode for all Mixed Lights in the current Scene. Subtractive Lighting Mode is not supported in the High Definition Render Pipeline (HDRP). | |
| Shadowmask | Use Shadowmask Lighting Mode for all Mixed Lights in the current Scene. Shadowmask Lighting Mode is not supported in the Universal Render Pipeline (URP). | |
| Realtime Shadow Color | Define the color that Unity uses to render real-time shadows in Subtractive Lighting Mode. This setting is visible only when the Lighting Mode is set to Subtractive. | |
This section contains settings related to lightmapping.
Lightmapping settings are specific to each lightmapper backend. To see the settings for a lightmapper, see the documentation on the Progressive CPU Lightmapper, the Progressive GPU Lightmapper (preview), and Enlighten (deprecated).
The Other Settings section contains settings for fog, Halos, Flares and Cookies.
| Propiedad: | Función: | |||
|---|---|---|---|---|
| Fog | Enables or disables fog in the Scene. Note that fog is not available with the Deferred rendering path. For deferred rendering, the Post-processing fog effect effect might be suitable. | |||
| Color | Use the color picker to set the color Unity uses to draw fog in the Scene. | |||
| Mode | Define the way in which the fogging accumulates with distance from the camera. | |||
| Linear | Fog density increases linearly with distance. | |||
| Start | Set the distance from the Camera at which the fog starts. | |||
| End | Set the distance from the Camera at which the fog completely obscures Scene GameObjects. | |||
| Exponential | Fog density increases exponentially with distance. | |||
| Density | Use this to control the density of the fog. The fog appears more dense as the Density increases. | |||
| Exponential Squared | Fog density increases faster with distance (exponentially and squared). | |||
| Density | Use this to control the density of the fog. The fog appears more dense as the Density increases. | |||
| Halo Texture | Set the Texture you want to use for drawing a Halo around lights. | |||
| Halo Strength | Define the visibility of Halos around Lights, from a value between 0 and 1. | |||
| Flare Fade Speed | Define the time (in seconds) over which lens flares fade from view after initially appearing. This is set to 3 by default. | |||
| Flare Strength | Define the visibility of lens flares from lights, from a value between 0 and 1. | |||
| Spot Cookie | Set the Cookie texture you want to use for spot lights. | |||
At the bottom of the Scene tab are the Auto Generate checkbox and the Generate Lighting button.
| Propiedad: | Función: |
|---|---|
| Auto Generate | If Auto Generate is enabled, Unity updates lightmap data automatically as you edit the Scene. Unity usually updates the lightmap data a few seconds after you make a change to the Scene. If Auto Generate is disabled, you must manually update lightmap data. |
| Generate Lighting | Use the Generate Lighting button to manually update the lightmap data. Use the Generate Lighting button if you want to clear the baked data from the Scene without clearing the GI Cache. This button is enabled only if Auto Generate is disabled. |
| Propiedad: | Función: | |
|---|---|---|
| Debug Settings | Settings that help you debug your Scene. | |
| Light Probe Visualization | Use this to filter which Light Probes are visualized in the Scene view. The default value is Only Probes Used By Selection. | |
| Only Probes Used By Selection | Only Light Probes that affect the current selection are visualized in the Scene view. | |
| All Probes No Cells | All Light Probes are visualized in the Scene view. | |
| All Probes With Cells | All Light Probes are visualized in the Scene view, and the tetrahedrons that are used for interpolation of Light Probe data are also displayed. | |
| Ninguno | No Light Probes are visualized in the Scene view. | |
| Display Weights | When enabled, Unity draws a line from the Light Probe used for the active selection to the positions on the tetrahedra used for interpolation. This is a way to debug probe interpolation and placement problems. | |
| Display Occlusion | When enabled, Unity displays occlusion data for Light Probes if the Lighting Mode is set to Shadowmask. | |
This tab shows a list of all lightmaps generated by Realtime Global Illumination using Enlighten (deprecated) in the current Scene.
If Realtime Global Illumination is not enabled in your Project, this tab will be empty
This tab shows a list of all lightmaps generated by lightmapper for for the current Scene, along with the Lighting Data Asset. If Baked Global Illumination is not enabled in your Project, this tab will be empty.
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