Fix exception when using Instancing with Fog in PBR

yaRnMcDonuts · web-flow · commit 946b3ea6c08b · 2025-03-07T17:06:02.000-05:00
The fog code in PBRLighting.j3md is encountering the same issue that was reported before with Lighting.j3md : #1458 This PR should fix the issue.
diff --git a/jme3-core/src/main/resources/Common/MatDefs/Light/PBRLighting.vert b/jme3-core/src/main/resources/Common/MatDefs/Light/PBRLighting.vert
@@ -88,7 +88,7 @@ void main(){
     #endif
     
     #ifdef USE_FOG
-        fogDistance = distance(g_CameraPosition, (g_WorldMatrix * modelSpacePos).xyz);
+        fogDistance = distance(g_CameraPosition, (TransformWorld(modelSpacePos)).xyz);
     #endif
 
 }

Original file line number	Diff line number	Diff line change
`@@ -88,7 +88,7 @@ void main(){`
`88`	`88`	`#endif`
`89`	`89`
`90`	`90`	`#ifdef USE_FOG`
`91`		`- fogDistance = distance(g_CameraPosition, (g_WorldMatrix * modelSpacePos).xyz);`
	`91`	`+ fogDistance = distance(g_CameraPosition, (TransformWorld(modelSpacePos)).xyz);`
`92`	`92`	`#endif`
`93`	`93`
`94`	`94`	`}`