244 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			244 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
| use bevy::prelude::*;
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| 
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| fn main() {
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|     App::build()
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|         .add_default_plugins()
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|         .add_startup_system(setup.system())
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|         .run();
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| }
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| 
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| fn setup(
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|     mut commands: Commands,
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|     asset_server: Res<AssetServer>,
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|     mut textures: ResMut<Assets<Texture>>,
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|     mut materials: ResMut<Assets<ColorMaterial>>,
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| ) {
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|     // let texture_handle = asset_server
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|     //     .load_sync(&mut textures, "assets/branding/bevy_logo_dark_big.png")
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|     //     .unwrap();
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| 
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|     // let texture = textures.get(&texture_handle).unwrap();
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|     // let aspect = texture.aspect();
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| 
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|     commands
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|         // ui camera
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|         .spawn(UiCameraComponents::default())
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|         // root node
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|         .spawn(NodeComponents {
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|             flex: Flex {
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|                 size: Size {
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|                     width: Dimension::Percent(1.0),
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|                     height: Dimension::Percent(1.0),
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|                 },
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|                 justify_content: JustifyContent::SpaceBetween,
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|                 ..Default::default()
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|             },
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|             material: materials.add(Color::NONE.into()),
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|             ..Default::default()
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|         })
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|         .with_children(|parent| {
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|             parent
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|                 // left vertical fill
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|                 .spawn(NodeComponents {
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|                     flex: Flex {
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|                         size: Size {
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|                             width: Dimension::Points(200.0),
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|                             height: Dimension::Percent(1.0),
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|                         },
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|                         border: Rect {
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|                             start: Dimension::Points(10.0),
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|                             end: Dimension::Points(10.0),
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|                             top: Dimension::Points(10.0),
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|                             bottom: Dimension::Points(10.0),
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|                         },
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|                         ..Default::default()
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|                     },
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|                     material: materials.add(Color::rgb(0.02, 0.02, 0.8).into()),
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|                     ..Default::default()
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|                 })
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|                 .with_children(|parent| {
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|                     parent
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|                         .spawn(NodeComponents {
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|                             flex: Flex {
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|                                 size: Size {
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|                                     width: Dimension::Percent(1.0),
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|                                     height: Dimension::Percent(1.0),
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|                                 },
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|                                 border: Rect {
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|                                     bottom: Dimension::Points(5.0),
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|                                     start: Dimension::Points(5.0),
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|                                     ..Default::default()
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|                                 },
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|                                 align_items: AlignItems::FlexEnd,
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|                                 ..Default::default()
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|                             },
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|                             material: materials.add(Color::rgb(0.8, 0.02, 0.02).into()),
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|                             ..Default::default()
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|                         })
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|                         .with_children(|parent| {
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|                             parent.spawn(TextComponents {
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|                                 flex: Flex {
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|                                     size: Size {
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|                                         width: Dimension::Points(100.0),
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|                                         height: Dimension::Points(30.0),
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|                                     },
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|                                     ..Default::default()
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|                                 },
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|                                 text: Text {
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|                                     value: "Text Example".to_string(),
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|                                     font: asset_server
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|                                         .load("assets/fonts/FiraSans-Bold.ttf")
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|                                         .unwrap(),
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|                                     style: TextStyle {
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|                                         font_size: 30.0,
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|                                         color: Color::WHITE,
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|                                         ..Default::default()
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|                                     },
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|                                 },
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|                                 ..Default::default()
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|                             });
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|                         });
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|                 })
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|                 // right vertical fill
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|                 .spawn(NodeComponents {
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|                     flex: Flex {
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|                         size: Size {
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|                             width: Dimension::Points(100.0),
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|                             height: Dimension::Percent(1.0),
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|                         },
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|                         border: Rect {
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|                             start: Dimension::Points(10.0),
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|                             end: Dimension::Points(10.0),
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|                             top: Dimension::Points(10.0),
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|                             bottom: Dimension::Points(10.0),
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|                         },
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|                         ..Default::default()
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|                     },
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|                     material: materials.add(Color::rgb(0.02, 0.02, 0.02).into()),
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|                     ..Default::default()
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|                 });
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| 
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|             // // left vertical fill
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| 
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|             // .spawn(NodeComponents {
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|             //     flex: Flex {
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|             //         size: Size {
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|             //             width: Dimension::Percent(0.20),
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|             //             height: Dimension::Percent(0.20),
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|             //         },
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|             //         justify_content: JustifyContent::FlexEnd,
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|             //         align_items: AlignItems::FlexEnd,
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|             //         ..Default::default()
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|             //     },
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|             //     material: materials.add(Color::rgb(0.02, 0.8, 0.02).into()),
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|             //     ..Default::default()
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|             // })
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|             // .with_children(|parent| {
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|             //     parent.spawn(NodeComponents {
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|             //         flex: Flex {
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|             //             size: Size {
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|             //                 width: Dimension::Percent(0.50),
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|             //                 height: Dimension::Percent(0.50),
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|             //             },
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|             //             justify_content: JustifyContent::FlexEnd,
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|             //             align_items: AlignItems::FlexEnd,
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|             //             ..Default::default()
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|             //         },
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|             //         material: materials.add(Color::rgb(0.8, 0.02, 0.02).into()),
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|             //         ..Default::default()
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|             //     });
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|             // });
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|             // // right vertical fill
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|             // .spawn(NodeComponents {
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|             //     node: Node::new(Anchors::RIGHT_FULL, Margins::new(10.0, 100.0, 100.0, 100.0)),
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|             //     material: materials.add(Color::rgb(0.02, 0.02, 0.02).into()),
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|             //     ..Default::default()
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|             // })
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|             // // render order test: reddest in the back, whitest in the front
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|             // .spawn(NodeComponents {
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|             //     node: Node::positioned(
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|             //         Vec2::new(75.0, 60.0),
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|             //         Anchors::CENTER,
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|             //         Margins::new(0.0, 100.0, 0.0, 100.0),
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|             //     ),
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|             //     material: materials.add(Color::rgb(1.0, 0.0, 0.0).into()),
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|             //     ..Default::default()
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|             // })
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|             // .spawn(NodeComponents {
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|             //     node: Node::positioned(
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|             //         Vec2::new(50.0, 35.0),
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|             //         Anchors::CENTER,
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|             //         Margins::new(0.0, 100.0, 0.0, 100.0),
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|             //     ),
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|             //     material: materials.add(Color::rgb(1.0, 0.3, 0.3).into()),
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|             //     ..Default::default()
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|             // })
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|             // .spawn(NodeComponents {
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|             //     node: Node::positioned(
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|             //         Vec2::new(100.0, 85.0),
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|             //         Anchors::CENTER,
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|             //         Margins::new(0.0, 100.0, 0.0, 100.0),
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|             //     ),
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|             //     material: materials.add(Color::rgb(1.0, 0.5, 0.5).into()),
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|             //     ..Default::default()
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|             // })
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|             // .spawn(NodeComponents {
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|             //     node: Node::positioned(
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|             //         Vec2::new(150.0, 135.0),
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|             //         Anchors::CENTER,
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|             //         Margins::new(0.0, 100.0, 0.0, 100.0),
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|             //     ),
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|             //     material: materials.add(Color::rgb(1.0, 0.7, 0.7).into()),
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|             //     ..Default::default()
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|             // })
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|             // // parenting
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|             // .spawn(NodeComponents {
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|             //     node: Node::positioned(
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|             //         Vec2::new(210.0, 0.0),
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|             //         Anchors::BOTTOM_LEFT,
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|             //         Margins::new(0.0, 200.0, 10.0, 210.0),
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|             //     ),
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|             //     material: materials.add(Color::rgb(0.1, 0.1, 1.0).into()),
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|             //     ..Default::default()
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|             // })
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|             // .with_children(|parent| {
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|             //     parent.spawn(NodeComponents {
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|             //         node: Node::new(Anchors::FULL, Margins::new(20.0, 20.0, 20.0, 20.0)),
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|             //         material: materials.add(Color::rgb(0.6, 0.6, 1.0).into()),
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|             //         ..Default::default()
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|             //     });
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|             // })
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|             // // alpha test
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|             // .spawn(NodeComponents {
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|             //     node: Node::positioned(
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|             //         Vec2::new(200.0, 185.0),
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|             //         Anchors::CENTER,
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|             //         Margins::new(0.0, 100.0, 0.0, 100.0),
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|             //     ),
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|             //     material: materials.add(Color::rgba(1.0, 0.9, 0.9, 0.4).into()),
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|             //     draw: Draw {
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|             //         is_transparent: true,
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|             //         ..Default::default()
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|             //     },
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|             //     ..Default::default()
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|             // })
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|             // // texture
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|             // .spawn(NodeComponents {
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|             //     node: Node::new(
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|             //         Anchors::CENTER_TOP,
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|             //         Margins::new(-250.0, 250.0, 510.0 * aspect, 10.0),
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|             //     ),
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|             //     material: materials.add(ColorMaterial::texture(texture_handle)),
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|             //     draw: Draw {
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|             //         is_transparent: true,
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|             //         ..Default::default()
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|             //     },
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|             //     ..Default::default()
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|             // });
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|         })
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|         .spawn(NodeComponents {
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|             material: materials.add(Color::rgb(1.0, 0.0, 0.0).into()),
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|             ..Default::default()
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|         });
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| }
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