From d22dad06de93c4cacee9908feaef955dc050552f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fran=C3=A7ois=20Mockers?= <mockersf@gmail.com>
Date: Fri, 1 Jan 2021 19:33:48 +0100
Subject: [PATCH] update example on GLTF to use names

---
 examples/3d/load_gltf.rs | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/examples/3d/load_gltf.rs b/examples/3d/load_gltf.rs
index ccd1e98a49d58..99eacf6b15078 100644
--- a/examples/3d/load_gltf.rs
+++ b/examples/3d/load_gltf.rs
@@ -5,6 +5,7 @@ fn main() {
         .add_resource(Msaa { samples: 4 })
         .add_plugins(DefaultPlugins)
         .add_startup_system(setup.system())
+        .add_system(display_only_parts.system())
         .run();
 }
 
@@ -21,3 +22,36 @@ fn setup(commands: &mut Commands, asset_server: Res<AssetServer>) {
             ..Default::default()
         });
 }
+
+// When pressing spacebar, it will display only part of the model, rotating between the parts
+fn display_only_parts(
+    mut enabled: Local<bool>,
+    keyboard_input: Res<Input<KeyCode>>,
+    time: Res<Time>,
+    mut names: Query<(&mut Transform, &bevy::core::Name)>,
+) {
+    if keyboard_input.just_pressed(KeyCode::Space) {
+        *enabled = !*enabled;
+        for (mut transform, _) in names.iter_mut() {
+            transform.translation.x = 0.0
+        }
+    }
+
+    if *enabled {
+        let nodes = vec![
+            Name::new("Hose_low".to_string()),
+            Name::new("RubberWood_low".to_string()),
+            Name::new("GlassPlastic_low".to_string()),
+            Name::new("MetalParts_low".to_string()),
+            Name::new("LeatherParts_low".to_string()),
+            Name::new("Lenses_low".to_string()),
+        ];
+        for (mut transform, name) in names.iter_mut() {
+            if *name == nodes[time.seconds_since_startup().floor() as usize % 6] {
+                transform.translation.x = 0.0
+            } else {
+                transform.translation.x = 500.0
+            }
+        }
+    }
+}