Merge pull request #7416 from Popov72/csm-fix-shadow-bounds

CSM Fix shadow bound calculation

dist/preview release/what's new.md

@@ -287,6 +287,7 @@
 - Fixed an infinite clone recursion bug in `InstancedMesh` due to `DeepCopier.DeepCopy` cloning `parent` ([Poolminer](https://github.com/Poolminer/))
 - Fixed an issue with multiview textures ([RaananW](https://github.com/RaananW/))
 - Screenshot height and width is now forced to be integers to prevent mismatch with openGL context ([jekelija](https://github.com/jekelija))
+- Fix shadow bound calculation in CSM shadow technique ([Popov72](https://github.com/Popov72))
 
 ## Breaking changes
 

src/Lights/Shadows/cascadedShadowGenerator.ts

@@ -421,6 +421,21 @@ export class CascadedShadowGenerator implements IShadowGenerator {
                 this._scbiMin.minimizeInPlace(boundingBox.minimumWorld);
                 this._scbiMax.maximizeInPlace(boundingBox.maximumWorld);
             }
+
+            const meshes = this._scene.meshes;
+            for (let meshIndex = 0; meshIndex < meshes.length; meshIndex++) {
+                const mesh = meshes[meshIndex];
+
+                if (!mesh || !mesh.isVisible || !mesh.isEnabled || !mesh.receiveShadows) {
+                    continue;
+                }
+
+                const boundingInfo = mesh.getBoundingInfo(),
+                      boundingBox = boundingInfo.boundingBox;
+
+                this._scbiMin.minimizeInPlace(boundingBox.minimumWorld);
+                this._scbiMax.maximizeInPlace(boundingBox.maximumWorld);
+            }
         }
 
         this._shadowCastersBoundingInfo.reConstruct(this._scbiMin, this._scbiMax);