fix: irisdescence value

galacean · Nov 19, 2024 · 647b8a9 · 647b8a9
1 parent 9fb543f
commit 647b8a9
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/packages/core/src/material/PBRMaterial.ts b/packages/core/src/material/PBRMaterial.ts
@@ -145,15 +145,16 @@ export class PBRMaterial extends PBRBaseMaterial {
   }
 
   set iridescence(value: number) {
+    value = Math.max(0, Math.min(1, value));
     const iridescenceInfo = this.shaderData.getVector4(PBRMaterial._iridescenceInfoProp);
     if (!!iridescenceInfo.x !== !!value) {
       if (value === 0) {
         this.shaderData.disableMacro("MATERIAL_ENABLE_IRIDESCENCE");
       } else {
         this.shaderData.enableMacro("MATERIAL_ENABLE_IRIDESCENCE");
       }
-      iridescenceInfo.x = value;
     }
+    iridescenceInfo.x = value;
   }
 
   /**
@@ -166,7 +167,7 @@ export class PBRMaterial extends PBRBaseMaterial {
 
   set iridescenceIor(value: number) {
     const iridescenceInfo = this.shaderData.getVector4(PBRMaterial._iridescenceInfoProp);
-    iridescenceInfo.y = value;
+    iridescenceInfo.y = Math.max(value, 1.0);
   }
 
   /**