IBL Intensity

dist/preview release/what's new.md

@@ -78,6 +78,7 @@
 ### Materials
 - Added `ShaderMaterial.setColor4Array` ([JonathanTron](https://github.com/JonathanTron/))
 - Added `ShaderMaterial.setArray4` ([JonathanTron](https://github.com/JonathanTron/))
+- Added `scene.environmentIntensity` to control the IBL strength overall in a scene ([Sebavan](https://github.com/sebavan/))
 
 ### ScreenshotTools
 - Added interface for argument `size` of screenshot methods ([Dok11](https://github.com/Dok11/))

inspector/src/components/actionTabs/tabs/propertyGrids/scenePropertyGridComponent.tsx

@@ -155,6 +155,7 @@ export class ScenePropertyGridComponent extends React.Component<IScenePropertyGr
                         <TextureLinkLineComponent label="Env. texture" texture={scene.environmentTexture} onSelectionChangedObservable={this.props.onSelectionChangedObservable} />
                     }
                     <FileButtonLineComponent label="Update environment texture" onClick={(file) => this.updateEnvironmentTexture(file)} accept=".dds, .env" />
+                    <SliderLineComponent minimum={0} maximum={2} step={0.01} label="IBL Intensity" target={scene} propertyName="environmentIntensity" onPropertyChangedObservable={this.props.onPropertyChangedObservable} />
                     <FogPropertyGridComponent globalState={this.props.globalState} lockObject={this.props.lockObject} scene={scene} onPropertyChangedObservable={this.props.onPropertyChangedObservable} />
                 </LineContainerComponent>
                 <LineContainerComponent globalState={this.props.globalState} title="MATERIAL IMAGE PROCESSING">

src/Loading/Plugins/babylonFileLoader.ts

@@ -149,6 +149,11 @@ var loadAssetContainer = (scene: Scene, data: string, rootUrl: string, onError?:
             container.environmentTexture = scene.environmentTexture;
         }
 
+        // Environment Intensity
+        if (parsedData.environmentIntensity !== undefined && parsedData.environmentIntensity !== null) {
+            scene.environmentIntensity = parsedData.environmentIntensity;
+        }
+
         // Lights
         if (parsedData.lights !== undefined && parsedData.lights !== null) {
             for (index = 0, cache = parsedData.lights.length; index < cache; index++) {

src/Materials/PBR/pbrBaseMaterial.ts

@@ -1796,7 +1796,7 @@ export abstract class PBRBaseMaterial extends PushMaterial {
                 // Misc
                 this._lightingInfos.x = this._directIntensity;
                 this._lightingInfos.y = this._emissiveIntensity;
-                this._lightingInfos.z = this._environmentIntensity;
+                this._lightingInfos.z = this._environmentIntensity * scene.environmentIntensity;
                 this._lightingInfos.w = this._specularIntensity;
 
                 ubo.updateVector4("vLightingIntensity", this._lightingInfos);

src/Misc/sceneSerializer.ts

@@ -233,6 +233,9 @@ export class SceneSerializer {
             serializationObject.environmentTexture = scene.environmentTexture.name;
         }
 
+        // Environment Intensity
+        serializationObject.environmentIntensity = scene.environmentIntensity;
+
         // Skeletons
         serializationObject.skeletons = [];
         for (index = 0; index < scene.skeletons.length; index++) {

src/scene.ts

@@ -203,6 +203,32 @@ export class Scene extends AbstractScene implements IAnimatable {
     }
 
     /** @hidden */
+    protected _environmentIntensity: number = 1;
+    /**
+     * Intensity of the environment in all pbr material.
+     * This dims or reinforces the IBL lighting overall (reflection and diffuse).
+     * As in the majority of the scene they are the same (exception for multi room and so on),
+     * this is easier to reference from here than from all the materials.
+     */
+    public get environmentIntensity(): number {
+        return this._environmentIntensity;
+    }
+    /**
+     * Intensity of the environment in all pbr material.
+     * This dims or reinforces the IBL lighting overall (reflection and diffuse).
+     * As in the majority of the scene they are the same (exception for multi room and so on),
+     * this is easier to set here than in all the materials.
+     */
+    public set environmentIntensity(value: number) {
+        if (this._environmentIntensity === value) {
+            return;
+        }
+
+        this._environmentIntensity = value;
+        this.markAllMaterialsAsDirty(Constants.MATERIAL_TextureDirtyFlag);
+    }
+
+    /** @hidden */
     protected _imageProcessingConfiguration: ImageProcessingConfiguration;
     /**
      * Default image processing configuration used either in the rendering