64 lines
2.0 KiB
Rust
64 lines
2.0 KiB
Rust
use bevy::{prelude::*, asset, render::{Albedo, render_graph_2::{StandardMaterial, ShaderMaterials, ShaderMaterial, ShaderValue}}};
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fn main() {
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AppBuilder::new().add_defaults().setup_world(setup).run();
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}
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fn setup(world: &mut World) {
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let texture_handle = {
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let mut texture_storage = world.resources.get_mut::<AssetStorage<Texture>>().unwrap();
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let texture = Texture::load(TextureType::Data(asset::create_texels(256)));
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(texture_storage.add(texture))
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};
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let mut color_shader_materials = ShaderMaterials::new();
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let color_material = StandardMaterial {
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albedo: Albedo::Color(math::vec4(1.0, 0.0, 0.0, 0.0))
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};
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color_shader_materials.add(color_material.get_selector());
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world.insert(
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(),
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vec![(
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color_shader_materials,
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color_material,
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)],
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);
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let mut texture_shader_materials = ShaderMaterials::new();
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let texture_material = StandardMaterial {
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albedo: Albedo::Texture(texture_handle)
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};
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texture_shader_materials.add(texture_material.get_selector());
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world.insert(
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(),
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vec![(
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texture_shader_materials,
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texture_material,
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)],
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);
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for (entity, materials) in <Read<ShaderMaterials>>::query().iter_entities(world) {
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println!("entity {}", entity);
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for selector in materials.materials.iter() {
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let shader_material = selector(entity, world).unwrap();
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print!(" ");
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for property in shader_material.iter_properties() {
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println!("property: {}", property);
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print!(" ");
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match shader_material.get_property(property) {
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Some(a) => match a {
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ShaderValue::Vec4(color) => println!("color {}", color),
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ShaderValue::Texture(ref handle) => println!("tex {}", handle.id),
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_ => println!("other"),
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},
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None => println!("none"),
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}
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}
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}
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}
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}
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