spawn a textured earth

Cargo.lock

@@ -3393,6 +3393,8 @@ dependencies = [
  "byteorder-lite",
  "num-traits",
  "png",
+ "zune-core",
+ "zune-jpeg",
 ]
 
 [[package]]
@@ -7702,3 +7704,18 @@ dependencies = [
  "cc",
  "pkg-config",
 ]
+
+[[package]]
+name = "zune-core"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f423a2c17029964870cfaabb1f13dfab7d092a62a29a89264f4d36990ca414a"
+
+[[package]]
+name = "zune-jpeg"
+version = "0.4.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "99a5bab8d7dedf81405c4bb1f2b83ea057643d9cb28778cea9eecddeedd2e028"
+dependencies = [
+ "zune-core",
+]

Cargo.toml

@@ -11,7 +11,7 @@ nyx-space = "2.1.0"
 
 [dependencies.bevy]
 version = "*"
-features = ["dynamic_linking"]
+features = ["dynamic_linking", "bevy_gltf", "bevy_image", "jpeg"]
 
 [profile.dev]
 opt-level = 1

assets/earth.gltf

@@ -0,0 +1,143 @@
+{
+	"asset":{
+		"generator":"Khronos glTF Blender I/O v4.0.44",
+		"version":"2.0"
+	},
+	"scene":0,
+	"scenes":[
+		{
+			"name":"Scene",
+			"nodes":[
+				0
+			]
+		}
+	],
+	"nodes":[
+		{
+			"mesh":0,
+			"name":"Sphere",
+			"rotation":[
+				0,
+				0,
+				0,
+				0
+			]
+		}
+	],
+	"materials":[
+		{
+			"doubleSided":true,
+			"name":"Material",
+			"pbrMetallicRoughness":{
+				"baseColorTexture":{
+					"index":0
+				},
+				"metallicFactor":0,
+				"roughnessFactor":0.5
+			}
+		}
+	],
+	"meshes":[
+		{
+			"name":"Sphere",
+			"primitives":[
+				{
+					"attributes":{
+						"POSITION":0,
+						"NORMAL":1,
+						"TEXCOORD_0":2
+					},
+					"indices":3,
+					"material":0
+				}
+			]
+		}
+	],
+	"textures":[
+		{
+			"sampler":0,
+			"source":0
+		}
+	],
+	"images":[
+		{
+			"mimeType":"image/jpeg",
+			"name":"2k_earth_daymap",
+			"uri":"2k_earth_daymap.jpeg"
+		}
+	],
+	"accessors":[
+		{
+			"bufferView":0,
+			"componentType":5126,
+			"count":8064,
+			"max":[
+				100,
+				100,
+				100
+			],
+			"min":[
+				-100,
+				-100,
+				-100
+			],
+			"type":"VEC3"
+		},
+		{
+			"bufferView":1,
+			"componentType":5126,
+			"count":8064,
+			"type":"VEC3"
+		},
+		{
+			"bufferView":2,
+			"componentType":5126,
+			"count":8064,
+			"type":"VEC2"
+		},
+		{
+			"bufferView":3,
+			"componentType":5123,
+			"count":11904,
+			"type":"SCALAR"
+		}
+	],
+	"bufferViews":[
+		{
+			"buffer":0,
+			"byteLength":96768,
+			"byteOffset":0,
+			"target":34962
+		},
+		{
+			"buffer":0,
+			"byteLength":96768,
+			"byteOffset":96768,
+			"target":34962
+		},
+		{
+			"buffer":0,
+			"byteLength":64512,
+			"byteOffset":193536,
+			"target":34962
+		},
+		{
+			"buffer":0,
+			"byteLength":23808,
+			"byteOffset":258048,
+			"target":34963
+		}
+	],
+	"samplers":[
+		{
+			"magFilter":9729,
+			"minFilter":9987
+		}
+	],
+	"buffers":[
+		{
+			"byteLength":281856,
+			"uri":"earth.bin"
+		}
+	]
+}

src/main.rs

@@ -29,7 +29,7 @@ fn main() {
         .insert_gizmo_config(DefaultGizmoConfigGroup, GizmoConfig::default())
         .insert_resource(DebugCamOffset::default())
         .insert_resource(WireframeConfig {
-            global: true,
+            global: false,
             ..Default::default()
         })
         .insert_resource(HomeCartesian::default())
@@ -85,28 +85,24 @@ fn polar2cart(lat: f32, long: f32, radius: f32) -> Vec3 {
     Vec3::new(x, y, z)
 }
 
-fn spawn_earth(
+fn spawn_earth(mut commands: Commands, assets: Res<AssetServer>) {
-    mut commands: Commands,
+    use std::f32::consts::PI;
-    mut meshes: ResMut<Assets<Mesh>>,
+    let mut xform = Transform::from_rotation(Quat::from_rotation_z(180.0f32.to_radians()));
-    mut materials: ResMut<Assets<StandardMaterial>>,
+    xform.rotate_y(PI);
-) {
+
-    let spatial_bundle = (
+    let spatial_bundle = (xform, Visibility::default());
-        Transform::from_rotation(Quat::from_rotation_x(90.0f32.to_radians())),
+
-        Visibility::default(),
+    let earth = assets.load("earth.gltf#Scene0");
-    );
+
-    let mat = materials.add(StandardMaterial::from_color(Color::linear_rgba(
+    commands
-        0., 0., 0., 0.,
+        .spawn((
-    )));
+            spatial_bundle,
-    commands.spawn((
+            AmbientLight {
-        spatial_bundle,
+                brightness: 20_000.0,
-        Mesh3d(meshes.add(Sphere::new(100.0).mesh().uv(32, 18))),
+                ..Default::default()
-        MeshMaterial3d(mat),
+            },
-        WireframeColor { color: BLUE.into() },
+        ))
-        AmbientLight {
+        .with_child(SceneRoot(earth));
-            brightness: 2_000.0,
-            ..Default::default()
-        },
-    ));
 }
 
 fn close_on_esc(
@@ -165,6 +161,7 @@ fn update_camera_offset(
                     offset.lat += 0.5;
                 } else {
                     offset.dist -= 10.0;
+                    offset.dist = offset.dist.max(RADIUS + 2.0);
                 }
             }
             KeyCode::ArrowDown => {