7d7c43dd62
# Objective Implements and closes #17515 ## Solution Add `uv_transform` to `ColorMaterial` ## Testing Create a example similar to `repeated_texture` but for `Mesh2d` and `MeshMaterial2d<ColorMaterial>` ## Showcase  ## Migration Guide Add `uv_transform` field to constructors of `ColorMaterial`
108 lines
3.8 KiB
Rust
108 lines
3.8 KiB
Rust
//! By default Bevy loads images to textures that clamps the image to the edges
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//! This example shows how to configure it to repeat the image instead.
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use bevy::{
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audio::AudioPlugin,
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image::{ImageAddressMode, ImageLoaderSettings, ImageSampler, ImageSamplerDescriptor},
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math::Affine2,
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prelude::*,
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};
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/// How much to move some rectangles away from the center
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const RECTANGLE_OFFSET: f32 = 250.0;
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/// Length of the sides of the rectangle
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const RECTANGLE_SIDE: f32 = 200.;
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/// How much to move the label away from the rectangle
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const LABEL_OFFSET: f32 = (RECTANGLE_SIDE / 2.) + 25.;
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fn main() {
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App::new()
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.add_plugins(DefaultPlugins.build().disable::<AudioPlugin>())
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.add_systems(Startup, setup)
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.run();
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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 meshes: ResMut<Assets<Mesh>>,
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mut materials: ResMut<Assets<ColorMaterial>>,
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) {
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// #11111: We use a duplicated image so that it can be load with and without
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// settings
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let image_with_default_sampler =
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asset_server.load("textures/fantasy_ui_borders/panel-border-010.png");
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let image_with_repeated_sampler = asset_server.load_with_settings(
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"textures/fantasy_ui_borders/panel-border-010-repeated.png",
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|s: &mut _| {
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*s = ImageLoaderSettings {
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sampler: ImageSampler::Descriptor(ImageSamplerDescriptor {
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// rewriting mode to repeat image,
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address_mode_u: ImageAddressMode::Repeat,
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address_mode_v: ImageAddressMode::Repeat,
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..default()
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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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// central rectangle with not repeated texture
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commands.spawn((
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Mesh2d(meshes.add(Rectangle::new(RECTANGLE_SIDE, RECTANGLE_SIDE))),
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MeshMaterial2d(materials.add(ColorMaterial {
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texture: Some(image_with_default_sampler.clone()),
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..default()
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})),
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Transform::from_translation(Vec3::ZERO),
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children![(
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Text2d::new("Control"),
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Transform::from_xyz(0., LABEL_OFFSET, 0.),
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)],
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));
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// left rectangle with repeated texture
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commands.spawn((
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Mesh2d(meshes.add(Rectangle::new(RECTANGLE_SIDE, RECTANGLE_SIDE))),
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MeshMaterial2d(materials.add(ColorMaterial {
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texture: Some(image_with_repeated_sampler),
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// uv_transform used here for proportions only, but it is full Affine2
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// that's why you can use rotation and shift also
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uv_transform: Affine2::from_scale(Vec2::new(2., 3.)),
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..default()
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})),
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Transform::from_xyz(-RECTANGLE_OFFSET, 0.0, 0.0),
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children![(
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Text2d::new("Repeat On"),
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Transform::from_xyz(0., LABEL_OFFSET, 0.),
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)],
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));
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// right rectangle with scaled texture, but with default sampler.
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commands.spawn((
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Mesh2d(meshes.add(Rectangle::new(RECTANGLE_SIDE, RECTANGLE_SIDE))),
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MeshMaterial2d(materials.add(ColorMaterial {
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// there is no sampler set, that's why
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// by default you see only one small image in a row/column
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// and other space is filled by image edge
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texture: Some(image_with_default_sampler),
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// uv_transform used here for proportions only, but it is full Affine2
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// that's why you can use rotation and shift also
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uv_transform: Affine2::from_scale(Vec2::new(2., 3.)),
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..default()
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})),
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Transform::from_xyz(RECTANGLE_OFFSET, 0.0, 0.0),
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children![(
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Text2d::new("Repeat Off"),
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Transform::from_xyz(0., LABEL_OFFSET, 0.),
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)],
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));
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// camera
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commands.spawn((
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Camera2d,
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Transform::default().looking_at(Vec3::ZERO, Vec3::Y),
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));
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}
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