Use bevy_polyline to wireframe the big sphere.

This commit is contained in:
Joe Ardent 2022-01-26 13:33:48 -08:00
parent d773e78333
commit c11845db90
2 changed files with 42 additions and 8 deletions

View file

@ -1,20 +1,52 @@
use bevy::{
pbr::wireframe::{Wireframe, WireframeConfig, WireframePlugin},
prelude::*,
render::{options::WgpuOptions, render_resource::WgpuFeatures},
render::{
mesh::{Indices, VertexAttributeValues},
options::WgpuOptions,
render_resource::WgpuFeatures,
},
};
use bevy_polyline::{Polyline, PolylineBundle, PolylineMaterial, PolylinePlugin};
use rand::{thread_rng, Rng};
use crate::{geometry::CyberSphere, lights::AnimateCyberLightWireframe};
fn wireframe_planet(
mut commands: Commands,
mut wireframe_config: ResMut<WireframeConfig>,
query: Query<Entity, With<CyberSphere>>,
meshes: Res<Assets<Mesh>>,
mut polylines: ResMut<Assets<Polyline>>,
mut polymats: ResMut<Assets<PolylineMaterial>>,
query: Query<&Handle<Mesh>, With<CyberSphere>>,
) {
let ent = query.single();
wireframe_config.global = false;
commands.entity(ent).insert(Wireframe);
let handle = query.single();
let mesh = meshes.get(handle).unwrap();
let vertices = mesh.attribute(Mesh::ATTRIBUTE_POSITION).unwrap();
let mut pts = Vec::with_capacity(vertices.len());
if let VertexAttributeValues::Float32x3(verts) = vertices {
let indices = mesh.indices().unwrap();
if let Indices::U32(indices) = indices {
for i in indices.iter() {
let v = verts[*i as usize];
let v = Vec3::from_slice(&v);
pts.push(v);
}
}
}
if !pts.is_empty() {
commands.spawn_bundle(PolylineBundle {
polyline: polylines.add(Polyline { vertices: pts }),
material: polymats.add(PolylineMaterial {
width: 6.0,
color: Color::hsla(292.0, 1.0, 0.60, 1.0),
perspective: false,
}),
..Default::default()
});
}
}
fn wireframify_lights(
@ -45,8 +77,10 @@ impl Plugin for CyberGlamorPlugin {
features: WgpuFeatures::POLYGON_MODE_LINE,
..Default::default()
})
.insert_resource(WireframeConfig { global: false })
.add_startup_system_to_stage(StartupStage::PostStartup, wireframe_planet)
.add_system(wireframify_lights)
.add_plugin(PolylinePlugin)
.add_plugin(WireframePlugin);
}
}

View file

@ -22,8 +22,8 @@ fn spawn_moving_lights(
mut materials: ResMut<Assets<StandardMaterial>>,
) {
let rng = &mut thread_rng();
// spawn 200 orbiting bisexual lights
for _ in 0..255 {
// spawn orbiting bisexual lights
for _ in 0..511 {
// mechanics
let axis = crate::random_unit_vec(rng);
let angle = rng.gen_range(0.0..TAU);