de004da8d5
# Objective The migration process for `bevy_color` (#12013) will be fairly involved: there will be hundreds of affected files, and a large number of APIs. ## Solution To allow us to proceed granularly, we're going to keep both `bevy_color::Color` (new) and `bevy_render::Color` (old) around until the migration is complete. However, simply doing this directly is confusing! They're both called `Color`, making it very hard to tell when a portion of the code has been ported. As discussed in #12056, by renaming the old `Color` type, we can make it easier to gradually migrate over, one API at a time. ## Migration Guide THIS MIGRATION GUIDE INTENTIONALLY LEFT BLANK. This change should not be shipped to end users: delete this section in the final migration guide! --------- Co-authored-by: Alice Cecile <alice.i.cecil@gmail.com>
55 lines
1.6 KiB
Rust
55 lines
1.6 KiB
Rust
//! Shows how to render simple primitive shapes with a single color.
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use bevy::{
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prelude::*,
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sprite::{MaterialMesh2dBundle, Mesh2dHandle},
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};
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fn main() {
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App::new()
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.add_plugins(DefaultPlugins)
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.add_systems(Startup, setup)
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.run();
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}
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const X_EXTENT: f32 = 600.;
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fn setup(
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mut commands: Commands,
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mut meshes: ResMut<Assets<Mesh>>,
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mut materials: ResMut<Assets<ColorMaterial>>,
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) {
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commands.spawn(Camera2dBundle::default());
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let shapes = [
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Mesh2dHandle(meshes.add(Circle { radius: 50.0 })),
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Mesh2dHandle(meshes.add(Ellipse::new(25.0, 50.0))),
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Mesh2dHandle(meshes.add(Capsule2d::new(25.0, 50.0))),
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Mesh2dHandle(meshes.add(Rectangle::new(50.0, 100.0))),
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Mesh2dHandle(meshes.add(RegularPolygon::new(50.0, 6))),
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Mesh2dHandle(meshes.add(Triangle2d::new(
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Vec2::Y * 50.0,
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Vec2::new(-50.0, -50.0),
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Vec2::new(50.0, -50.0),
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))),
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];
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let num_shapes = shapes.len();
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for (i, shape) in shapes.into_iter().enumerate() {
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// Distribute colors evenly across the rainbow.
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let color = LegacyColor::hsl(360. * i as f32 / num_shapes as f32, 0.95, 0.7);
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commands.spawn(MaterialMesh2dBundle {
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mesh: shape,
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material: materials.add(color),
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transform: Transform::from_xyz(
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// Distribute shapes from -X_EXTENT to +X_EXTENT.
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-X_EXTENT / 2. + i as f32 / (num_shapes - 1) as f32 * X_EXTENT,
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0.0,
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0.0,
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),
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..default()
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});
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}
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}
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