From 48871c718b3651e40237f56ab141ba2ce6c92548 Mon Sep 17 00:00:00 2001
From: Evgeni Popov <github@evpopov.com>
Date: Mon, 19 Dec 2022 12:49:34 +0100
Subject: [PATCH] Add support for included only meshes

---
 .../volumetricLightScatteringPostProcess.ts              | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/packages/dev/core/src/PostProcesses/volumetricLightScatteringPostProcess.ts b/packages/dev/core/src/PostProcesses/volumetricLightScatteringPostProcess.ts
index 6de55f3cf42..e67816b649e 100644
--- a/packages/dev/core/src/PostProcesses/volumetricLightScatteringPostProcess.ts
+++ b/packages/dev/core/src/PostProcesses/volumetricLightScatteringPostProcess.ts
@@ -87,6 +87,13 @@ export class VolumetricLightScatteringPostProcess extends PostProcess {
     @serialize()
     public excludedMeshes = new Array<AbstractMesh>();
 
+    /**
+     * Array containing the only meshes rendered in the internal pass.
+     * If this array is not empty, only the meshes from this array are rendered in the internal pass
+     */
+    @serialize()
+    public includedMeshes = new Array<AbstractMesh>();
+
     /**
      * Controls the overall intensity of the post-process
      */
@@ -305,7 +312,7 @@ export class VolumetricLightScatteringPostProcess extends PostProcess {
 
     // Private methods
     private _meshExcluded(mesh: AbstractMesh) {
-        if (this.excludedMeshes.length > 0 && this.excludedMeshes.indexOf(mesh) !== -1) {
+        if ((this.includedMeshes.length > 0 && this.includedMeshes.indexOf(mesh) === -1) || (this.excludedMeshes.length > 0 && this.excludedMeshes.indexOf(mesh) !== -1)) {
             return true;
         }