Proof of concept for textured dice
Now to integrate with the game. Also need to figure out best way to do multiple dice. Probably multiple cameras + textures. But we can probably share one mesh.main
Elijah C. Voigt
1 year ago
parent
57e8caa1b7
commit
ba19b6342e
@ -0,0 +1,190 @@
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use std::f32::consts::PI;
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use bevy::{
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prelude::*,
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render::{
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camera::RenderTarget,
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render_resource::{
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Extent3d, TextureDescriptor, TextureDimension, TextureFormat, TextureUsages,
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},
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},
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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, add_texture)
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.add_systems(Update, rotate_mesh.run_if(|keys: Res<ButtonInput<KeyCode>>| -> bool {
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keys.pressed(KeyCode::Space)
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}))
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.run();
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}
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fn add_texture(
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mut images: ResMut<Assets<Image>>,
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mut materials: ResMut<Assets<StandardMaterial>>,
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mut meshes: ResMut<Assets<Mesh>>,
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mut commands: Commands,
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) {
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let image_handle = {
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let size = Extent3d {
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width: 256,
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height: 256 * 6,
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..default()
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};
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let mut image = Image {
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texture_descriptor: TextureDescriptor {
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label: None,
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size,
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dimension: TextureDimension::D2,
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format: TextureFormat::Bgra8UnormSrgb,
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mip_level_count: 1,
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sample_count: 1,
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usage: TextureUsages::TEXTURE_BINDING
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| TextureUsages::COPY_DST
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| TextureUsages::RENDER_ATTACHMENT,
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view_formats: &[],
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},
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..default()
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};
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image.resize(size);
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images.add(image)
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};
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let texture_camera = commands
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.spawn(Camera2dBundle {
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camera: Camera {
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order: -1,
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target: RenderTarget::Image(image_handle.clone()),
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..default()
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},
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..default()
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})
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.id();
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commands
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.spawn((
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NodeBundle {
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style: Style {
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width: Val::Percent(100.0),
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height: Val::Percent(100.0),
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flex_direction: FlexDirection::Column,
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justify_content: JustifyContent::Center,
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align_items: AlignItems::Center,
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..default()
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},
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background_color: BackgroundColor(Color::GOLD),
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..default()
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},
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TargetCamera(texture_camera),
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))
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.with_children(|parent| {
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["Up", "Down", "Left", "Right", "Top", "Bottom"]
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.into_iter()
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.for_each(|text| {
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parent.spawn(NodeBundle {
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style: Style {
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height: Val::Percent(100.0 / 6.0),
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width: Val::Percent(100.0),
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justify_content: JustifyContent::Center,
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justify_items: JustifyItems::Center,
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align_items: AlignItems::Center,
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align_content: AlignContent::Center,
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..default()
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},
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..default()
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}).with_children(|parent| {
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parent.spawn(TextBundle {
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text: Text::from_section(
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text,
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TextStyle {
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color: Color::BLACK,
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font_size: 64.0,
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..default()
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},
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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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});
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commands.spawn(DirectionalLightBundle { ..default() });
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{
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commands.spawn(ImageBundle {
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style: Style {
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top: Val::Px(0.0),
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left: Val::Px(0.0),
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position_type: PositionType::Absolute,
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max_height: Val::Percent(100.0),
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..default()
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},
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image: UiImage {
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texture: image_handle.clone(),
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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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let cube_size = 4.0;
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let a = 1.0 / 6.0;
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let b = 2.0 * a;
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let c = 3.0 * a;
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let d = 4.0 * a;
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let e = 5.0 * a;
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let f = 1.0;
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let cuboid = Mesh::from(Cuboid::new(cube_size, cube_size, cube_size))
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.with_inserted_attribute(
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Mesh::ATTRIBUTE_UV_0,
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vec![
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// Top side
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[1.0, 0.0], [0.0, 0.0], [0.0, a], [1.0, a],
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// Bottom side
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[1.0, a], [0.0, a], [0.0, b], [1.0, b],
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// Right side
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[1.0, b], [0.0, b], [0.0, c], [1.0, c],
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// Left side
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[1.0, c], [0.0, c], [0.0, d], [1.0, d],
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// Back side
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[1.0, d], [0.0, d], [0.0, e], [1.0, e],
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// Front side
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[1.0, e], [0.0, e], [0.0, f], [1.0, f],
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]);
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let mesh = meshes.add(cuboid);
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let material = materials.add(StandardMaterial {
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base_color_texture: Some(image_handle),
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..default()
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});
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let transform =
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Transform::from_xyz(0.0, 0.0, 1.5).with_rotation(Quat::from_rotation_x(-PI / 5.0));
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commands.spawn(PbrBundle {
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mesh,
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material,
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transform,
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..default()
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});
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}
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{
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let transform = Transform::from_xyz(0.0, 0.0, 15.0).looking_at(Vec3::ZERO, Vec3::Y);
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commands.spawn(Camera3dBundle {
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transform,
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..default()
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});
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}
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}
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fn rotate_mesh(
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mut query: Query<&mut Transform, With<Handle<Mesh>>>,
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time: Res<Time>,
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) {
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query.iter_mut().for_each(|mut t| {
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t.rotate_x(time.delta_seconds() * 0.5);
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t.rotate_y(time.delta_seconds() * 0.5);
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t.rotate_z(time.delta_seconds() * 0.5);
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});
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}
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