Fix fighter material not removing the original material.

src/materials/fighter_material.rs

@@ -1,10 +1,17 @@
-use bevy::{gltf::GltfMaterialName, pbr::{ExtendedMaterial, MaterialExtension}, prelude::*, render::render_resource::AsBindGroup, shader::ShaderRef, world_serialization::WorldInstanceReady};
+use bevy::{
+    gltf::GltfMaterialName,
+    pbr::{ExtendedMaterial, MaterialExtension},
+    prelude::*,
+    render::render_resource::AsBindGroup,
+    shader::ShaderRef,
+    world_serialization::WorldInstanceReady,
+};
 
 pub type FighterMaterial = ExtendedMaterial<StandardMaterial, FighterMaterialExtension>;
 
 #[derive(Component)]
 pub struct FighterMesh {
-    pub fighter: Entity
+    pub fighter: Entity,
 }
 
 #[derive(Asset, AsBindGroup, Reflect, Debug, Clone, Default)]
@@ -64,12 +71,22 @@ pub fn bind_fighter_material(
             continue;
         };
 
-        commands.entity(entity).insert((MeshMaterial3d(asset_materials.add(ExtendedMaterial {
-            base: StandardMaterial {
-                // can be used in forward or deferred mode
-                ..original_material.clone()
-            },
-            extension: FighterMaterialExtension::new(bevy::color::palettes::css::BLUE.into())
-        })), FighterMesh { fighter: scene_ready.entity  }));
+        commands
+            .entity(entity)
+            .remove::<MeshMaterial3d<StandardMaterial>>()
+            .insert((
+                MeshMaterial3d(asset_materials.add(ExtendedMaterial {
+                    base: StandardMaterial {
+                        // can be used in forward or deferred mode
+                        ..original_material.clone()
+                    },
+                    extension: FighterMaterialExtension::new(
+                        bevy::color::palettes::css::BLUE.into(),
+                    ),
+                })),
+                FighterMesh {
+                    fighter: scene_ready.entity,
+                },
+            ));
     }
-}
+}