cyber_rider/src/glamor.rs

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use bevy::{
prelude::*,
render::mesh::{Indices, VertexAttributeValues},
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};
use bevy_polyline::prelude::{Polyline, PolylineBundle, PolylineMaterial, PolylinePlugin};
use rand::{thread_rng, Rng};
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use crate::{lights::AnimateCyberLightWireframe, planet::CyberPlanet};
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pub const BISEXY_COLOR: Color = Color::hsla(292.0, 0.9, 0.60, 1.1);
fn wireframe_planet(
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mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut polylines: ResMut<Assets<Polyline>>,
mut polymats: ResMut<Assets<PolylineMaterial>>,
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query: Query<&Handle<Mesh>, With<CyberPlanet>>,
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) {
let handle = query.single();
let mesh = meshes.get_mut(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);
}
}
}
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let mut verts = Vec::with_capacity((pts.len() as f32 * 1.4) as usize);
for pts in pts.chunks(3) {
if pts.len() > 1 {
verts.extend_from_slice(pts);
verts.push(Vec3::NAN);
}
}
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// don't need the indices anymore
mesh.duplicate_vertices();
mesh.compute_flat_normals();
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commands.spawn(PolylineBundle {
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polyline: polylines.add(Polyline { vertices: verts }),
material: polymats.add(PolylineMaterial {
width: 101.0,
color: BISEXY_COLOR,
perspective: true,
depth_bias: -0.001,
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}),
..Default::default()
});
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}
fn wireframify_lights(mut lights: Query<&mut AnimateCyberLightWireframe>) {
let chance = 0.005;
let rng = &mut thread_rng();
for mut light in lights.iter_mut() {
if rng.gen::<f32>() < chance {
let new = !light.wired;
light.wired = new;
}
}
}
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// public plugin
pub struct CyberGlamorPlugin;
impl Plugin for CyberGlamorPlugin {
fn build(&self, app: &mut App) {
#[cfg(feature = "inspector")]
{
use bevy_rapier3d::render::{
DebugRenderMode, DebugRenderStyle, RapierDebugRenderPlugin,
};
let style = DebugRenderStyle {
multibody_joint_anchor_color: Color::GREEN.as_rgba_f32(),
..Default::default()
};
let mode = DebugRenderMode::CONTACTS
| DebugRenderMode::SOLVER_CONTACTS
| DebugRenderMode::JOINTS
| DebugRenderMode::RIGID_BODY_AXES;
let rplugin = RapierDebugRenderPlugin {
style,
always_on_top: true,
enabled: true,
mode,
};
app.add_plugin(rplugin);
}
app.add_startup_system_to_stage(StartupStage::PostStartup, wireframe_planet)
.add_system(wireframify_lights)
.add_plugin(PolylinePlugin);
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}
}