LightProbe: Add support for serialization/deserialization.

Author: Mugen87

src/lights/LightProbe.js

@@ -11,6 +11,8 @@ function LightProbe( sh, intensity ) {
 
 	Light.call( this, undefined, intensity );
 
+	this.type = 'LightProbe';
+
 	this.sh = ( sh !== undefined ) ? sh : new SphericalHarmonics3();
 
 }
@@ -26,7 +28,6 @@ LightProbe.prototype = Object.assign( Object.create( Light.prototype ), {
 		Light.prototype.copy.call( this, source );
 
 		this.sh.copy( source.sh );
-		this.intensity = source.intensity;
 
 		return this;
 
@@ -36,7 +37,7 @@ LightProbe.prototype = Object.assign( Object.create( Light.prototype ), {
 
 		var data = Light.prototype.toJSON.call( this, meta );
 
-		// data.sh = this.sh.toArray(); // todo
+		data.object.sh = this.sh.toArray();
 
 		return data;
 

src/loaders/ObjectLoader.js

@@ -21,6 +21,7 @@ import {
 } from '../constants.js';
 import { BufferAttribute } from '../core/BufferAttribute.js';
 import { Color } from '../math/Color.js';
+import { SphericalHarmonics3 } from '../math/SphericalHarmonics3.js';
 import { Object3D } from '../core/Object3D.js';
 import { Group } from '../objects/Group.js';
 import { InstancedMesh } from '../objects/InstancedMesh.js';
@@ -40,6 +41,7 @@ import { PointLight } from '../lights/PointLight.js';
 import { DirectionalLight } from '../lights/DirectionalLight.js';
 import { AmbientLight } from '../lights/AmbientLight.js';
 import { RectAreaLight } from '../lights/RectAreaLight.js';
+import { LightProbe } from '../lights/LightProbe.js';
 import { OrthographicCamera } from '../cameras/OrthographicCamera.js';
 import { PerspectiveCamera } from '../cameras/PerspectiveCamera.js';
 import { Scene } from '../scenes/Scene.js';
@@ -817,6 +819,13 @@ ObjectLoader.prototype = Object.assign( Object.create( Loader.prototype ), {
 
 				break;
 
+			case 'LightProbe':
+
+				var sh = new SphericalHarmonics3().fromArray( data.sh );
+				object = new LightProbe( sh, data.intensity );
+
+				break;
+
 			case 'SkinnedMesh':
 
 				console.warn( 'THREE.ObjectLoader.parseObject() does not support SkinnedMesh yet.' );