Merge pull request #4415 from MackeyK24/master

Shadow Generator Serialization Update

src/Lights/Shadows/babylon.shadowGenerator.ts

@@ -1374,6 +1374,7 @@
             serializationObject.blurScale = this.blurScale;
             serializationObject.useKernelBlur = this.useKernelBlur;
             serializationObject.transparencyShadow = this._transparencyShadow;
+            serializationObject.frustumEdgeFalloff = this.frustumEdgeFalloff;
 
             serializationObject.bias = this.bias;
             serializationObject.normalBias = this.normalBias;
@@ -1486,6 +1487,10 @@
                 shadowGenerator.normalBias = parsedShadowGenerator.normalBias;
             }
 
+            if (parsedShadowGenerator.frustumEdgeFalloff !== undefined) {
+                shadowGenerator.frustumEdgeFalloff = parsedShadowGenerator.frustumEdgeFalloff;
+            }
+
             if (parsedShadowGenerator.darkness) {
                 shadowGenerator.setDarkness(parsedShadowGenerator.darkness);
             }