在 material 被销毁的情况下，防止报错 (cocos#7639)

kylin206 · Oct 30, 2020 · a79b3f6 · a79b3f6
1 parent 65a1cf4
commit a79b3f6
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/cocos/core/3d/framework/mesh-renderer.ts b/cocos/core/3d/framework/mesh-renderer.ts
@@ -389,7 +389,10 @@ export class MeshRenderer extends RenderableComponent {
         const renderingMesh = this._mesh.renderingSubMeshes;
         if (renderingMesh) {
             for (let i = 0; i < meshCount; ++i) {
-                const material = this.getRenderMaterial(i);
+                let material = this.getRenderMaterial(i);
+                if (material && !material.isValid) {
+                    material = null;
+                }
                 const subMeshData = renderingMesh[i];
                 if (subMeshData) {
                     this._model.initSubModel(i, subMeshData, material || this._getBuiltinMaterial());