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Replace Kiss3d by Bevy for the testbed renderer.

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This commit is contained in:
Crozet Sébastien
2021-05-16 17:49:20 +02:00
parent f350ac35d9
commit 1a84bf2af3
88 changed files with 2327 additions and 3940 deletions
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67
examples3d/convex_decomposition3.rs
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@@ -1,10 +1,11 @@
use kiss3d::loader::obj;
use na::{Point3, Translation3};
use na::Point3;
use obj::raw::object::Polygon;
use rapier3d::dynamics::{JointSet, RigidBodyBuilder, RigidBodySet};
use rapier3d::geometry::{ColliderBuilder, ColliderSet, SharedShape};
use rapier3d::parry::bounding_volume::{self, BoundingVolume};
use rapier3d::parry::bounding_volume;
use rapier_testbed3d::Testbed;
use std::path::Path;
use std::fs::File;
use std::io::BufReader;
/*
* NOTE: The `r` macro is only here to convert from f64 to the `N` scalar type.
@@ -42,47 +43,45 @@ pub fn init_world(testbed: &mut Testbed) {
for (igeom, obj_path) in geoms.into_iter().enumerate() {
let deltas = na::one();
let mtl_path = Path::new("");
let mut shapes = Vec::new();
println!("Parsing and decomposing: {}", obj_path);
let obj = obj::parse_file(&Path::new(&obj_path), &mtl_path, "");
let input = BufReader::new(File::open(obj_path).unwrap());
if let Ok(model) = obj {
let meshes: Vec<_> = model
if let Ok(model) = obj::raw::parse_obj(input) {
let mut vertices: Vec<_> = model
.positions
.iter()
.map(|v| Point3::new(v.0, v.1, v.2))
.collect();
use std::iter::FromIterator;
let indices: Vec<_> = model
.polygons
.into_iter()
.map(|mesh| mesh.1.to_trimesh().unwrap())
.flat_map(|p| match p {
Polygon::P(idx) => idx.into_iter(),
Polygon::PT(idx) => Vec::from_iter(idx.into_iter().map(|i| i.0)).into_iter(),
Polygon::PN(idx) => Vec::from_iter(idx.into_iter().map(|i| i.0)).into_iter(),
Polygon::PTN(idx) => Vec::from_iter(idx.into_iter().map(|i| i.0)).into_iter(),
})
.collect();
// Compute the size of the model, to scale it and have similar size for everything.
let mut aabb =
bounding_volume::details::point_cloud_aabb(&deltas, &meshes[0].coords[..]);
for mesh in meshes[1..].iter() {
aabb.merge(&bounding_volume::details::point_cloud_aabb(
&deltas,
&mesh.coords[..],
));
}
let center = aabb.center().coords;
let aabb = bounding_volume::details::point_cloud_aabb(&deltas, &vertices);
let center = aabb.center();
let diag = (aabb.maxs - aabb.mins).norm();
for mut trimesh in meshes.into_iter() {
trimesh.translate_by(&Translation3::from(-center));
trimesh.scale_by_scalar(6.0 / diag);
vertices
.iter_mut()
.for_each(|p| *p = (*p - center.coords) * 6.0 / diag);
let vertices = trimesh.coords;
let indices: Vec<_> = trimesh
.indices
.unwrap_unified()
.into_iter()
.map(|idx| [idx.x, idx.y, idx.z])
.collect();
let indices: Vec<_> = indices
.chunks(3)
.map(|idx| [idx[0] as u32, idx[1] as u32, idx[2] as u32])
.collect();
let decomposed_shape = SharedShape::convex_decomposition(&vertices, &indices);
shapes.push(decomposed_shape);
}
let decomposed_shape = SharedShape::convex_decomposition(&vertices, &indices);
shapes.push(decomposed_shape);
// let compound = SharedShape::compound(compound_parts);
@@ -122,7 +121,7 @@ fn models() -> Vec<String> {
"media/models/hornbug.obj".to_string(),
"media/models/octopus_decimated.obj".to_string(),
"media/models/rabbit_decimated.obj".to_string(),
"media/models/rust_logo.obj".to_string(),
// "media/models/rust_logo.obj".to_string(),
"media/models/rust_logo_simplified.obj".to_string(),
"media/models/screwdriver_decimated.obj".to_string(),
"media/models/table.obj".to_string(),