added bare minimum to render a basic scene

2023-10-19 13:42:00 -04:00
parent 655b58252c
commit 4d7f84d81e
4 changed files with 3973 additions and 1 deletions
--- a/examples/demo/src/setup.rs
+++ b/examples/demo/src/setup.rs
@@ -0,0 +1,45 @@
+use bevy::{prelude::{Commands, ResMut, Assets, Mesh, StandardMaterial, PbrBundle, shape, Color, Transform, SpatialBundle, Camera3dBundle, Vec3, PointLight, PointLightBundle}, utils::default};
+
+/// set up a simple 3D scene
+pub fn setup_scene(
+    mut commands: Commands,
+    mut meshes: ResMut<Assets<Mesh>>,
+    mut materials: ResMut<Assets<StandardMaterial>>,
+) {
+    // plane
+    commands.spawn(PbrBundle {
+        mesh: meshes.add(shape::Plane::from_size(5.0).into()),
+        material: materials.add(Color::rgb(0.3, 0.5, 0.3).into()),
+        ..default()
+    });
+    // cube
+    commands.spawn(PbrBundle {
+        mesh: meshes.add(Mesh::from(shape::Cube { size: 0.1 })),
+        material: materials.add(Color::rgb(0.8, 0.7, 0.6).into()),
+        transform: Transform::from_xyz(0.0, 0.5, 0.0),
+        ..default()
+    });
+
+    // light
+    commands.spawn(PointLightBundle {
+        point_light: PointLight {
+            intensity: 1500.0,
+            shadows_enabled: true,
+            ..default()
+        },
+        transform: Transform::from_xyz(4.0, 8.0, 4.0),
+        ..default()
+    });
+    // camera
+    commands.spawn((Camera3dBundle {
+        transform: Transform::from_xyz(0.25, 1.25, 0.0).looking_at(
+            Vec3 {
+                x: -0.548,
+                y: -0.161,
+                z: -0.137,
+            },
+            Vec3::Y,
+        ),
+        ..default()
+    },));
+}