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Urdf rs #745

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14 changes: 8 additions & 6 deletions crates/rapier3d-meshloader/src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -48,12 +48,14 @@ pub fn load_from_path(
let scene = loader.load(path)?;
for (raw_mesh, _) in scene.meshes.into_iter().zip(scene.materials) {
let shape = load_from_raw_mesh(&raw_mesh, converter, scale);

colliders.push(shape.map(|(shape, pose)| LoadedShape {
shape,
pose,
raw_mesh,
}));
colliders.push(match shape {
Ok((shape, pose)) => Ok(LoadedShape {
shape,
pose,
raw_mesh,
}),
Err(e) => Err(e),
});
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}
Ok(colliders)
}
Expand Down
12 changes: 12 additions & 0 deletions crates/rapier3d-urdf/CHANGELOG.md
Original file line number Diff line number Diff line change
@@ -1,8 +1,20 @@
## Unreleased

<<<<<<< HEAD
### Modified

- Pre-parsing of urdf files is now done through the more recent `urdf_rs` crate.


### Added

- Add optional support for Collada and Wavefront files through new feature flags `collada` and `wavefront`.
- Add support for capsule urdf geometry
=======
### Added

- Add optional support for Collada and Wavefront files through new feature flags `collada` and `wavefront`.
>>>>>>> @{-1}
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## 0.3.0

Expand Down
3 changes: 1 addition & 2 deletions crates/rapier3d-urdf/Cargo.toml
Original file line number Diff line number Diff line change
Expand Up @@ -27,8 +27,7 @@ wavefront = ["dep:rapier3d-meshloader", "rapier3d-meshloader/wavefront"]
log = "0.4"
anyhow = "1"
bitflags = "2"
# NOTE: we are not using the (more recent) urdf-rs crate because of https://github.com/openrr/urdf-rs/issues/94
xurdf = "0.2"
urdf-rs = "0.9"

rapier3d = { version = "0.22", path = "../rapier3d" }
rapier3d-meshloader = { version = "0.3.0", path = "../rapier3d-meshloader", default-features = false, optional = true }
94 changes: 35 additions & 59 deletions crates/rapier3d-urdf/src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,7 @@ use rapier3d::{
};
use std::collections::HashMap;
use std::path::Path;
use xurdf::{Geometry, Inertial, Joint, Pose, Robot};
use urdf_rs::{Geometry, Inertial, Joint, Pose, Robot};

#[cfg(doc)]
use rapier3d::dynamics::Multibody;
Expand Down Expand Up @@ -209,33 +209,6 @@ pub struct UrdfRobotHandles<JointHandle> {
pub joints: Vec<UrdfJointHandle<JointHandle>>,
}

#[derive(Copy, Clone, PartialEq, Eq, Debug, Default)]
enum JointType {
#[default]
Fixed,
Revolute,
Continuous,
Floating,
Planar,
Prismatic,
Spherical,
}

impl JointType {
fn from_str(str: &str) -> Option<Self> {
match str {
"fixed" | "Fixed" => Some(Self::Fixed),
"continuous" | "Continuous" => Some(Self::Continuous),
"revolute" | "Revolute" => Some(Self::Revolute),
"floating" | "Floating" => Some(Self::Floating),
"planar" | "Planar" => Some(Self::Planar),
"prismatic" | "Prismatic" => Some(Self::Prismatic),
"spherical" | "Spherical" => Some(Self::Spherical),
_ => None,
}
}
}

impl UrdfRobot {
/// Parses a URDF file and returns both the rapier objects (`UrdfRobot`) and the original urdf
/// structures (`Robot`). Both structures are arranged the same way, with matching indices for each part.
Expand All @@ -261,7 +234,7 @@ impl UrdfRobot {
let mesh_dir = mesh_dir
.or_else(|| path.parent())
.unwrap_or_else(|| Path::new("./"));
let robot = xurdf::parse_urdf_from_file(&path)?;
let robot = urdf_rs::read_file(&path)?;
Ok((Self::from_robot(&robot, options, mesh_dir), robot))
}

Expand All @@ -284,7 +257,7 @@ impl UrdfRobot {
options: UrdfLoaderOptions,
mesh_dir: &Path,
) -> anyhow::Result<(Self, Robot)> {
let robot = xurdf::parse_urdf_from_string(str)?;
let robot = urdf_rs::read_from_string(str)?;
Ok((Self::from_robot(&robot, options, mesh_dir), robot))
}

Expand Down Expand Up @@ -313,12 +286,12 @@ impl UrdfRobot {
name_to_link_id.insert(&link.name, id);
let mut colliders = vec![];
if options.create_colliders_from_collision_shapes {
colliders.extend(link.collisions.iter().flat_map(|co| {
colliders.extend(link.collision.iter().flat_map(|co| {
urdf_to_colliders(&options, mesh_dir, &co.geometry, &co.origin)
}))
}
if options.create_colliders_from_visual_shapes {
colliders.extend(link.visuals.iter().flat_map(|vis| {
colliders.extend(link.visual.iter().flat_map(|vis| {
urdf_to_colliders(&options, mesh_dir, &vis.geometry, &vis.origin)
}))
}
Expand All @@ -331,8 +304,8 @@ impl UrdfRobot {
.joints
.iter()
.map(|joint| {
let link1 = name_to_link_id[&joint.parent];
let link2 = name_to_link_id[&joint.child];
let link1 = name_to_link_id[&joint.parent.link];
let link2 = name_to_link_id[&joint.child.link];
let pose1 = *links[link1].body.position();
let rb2 = &mut links[link2].body;
let joint = urdf_to_joint(&options, joint, &pose1, rb2);
Expand Down Expand Up @@ -465,6 +438,7 @@ impl UrdfRobot {
}
}

#[rustfmt::skip]
fn urdf_to_rigid_body(options: &UrdfLoaderOptions, inertial: &Inertial) -> RigidBody {
let origin = urdf_to_isometry(&inertial.origin);
let mut builder = options.rigid_body_blueprint.clone();
Expand All @@ -473,17 +447,12 @@ fn urdf_to_rigid_body(options: &UrdfLoaderOptions, inertial: &Inertial) -> Rigid
if options.apply_imported_mass_props {
builder = builder.additional_mass_properties(MassProperties::with_inertia_matrix(
origin.translation.vector.into(),
inertial.mass as Real,
inertial.mass.value as Real,
// See http://wiki.ros.org/urdf/Tutorials/Adding%20Physical%20and%20Collision%20Properties%20to%20a%20URDF%20Model#Inertia
na::Matrix3::new(
inertial.inertia.m11 as Real,
inertial.inertia.m12 as Real,
inertial.inertia.m13 as Real,
inertial.inertia.m21 as Real,
inertial.inertia.m22 as Real,
inertial.inertia.m23 as Real,
inertial.inertia.m31 as Real,
inertial.inertia.m32 as Real,
inertial.inertia.m33 as Real,
inertial.inertia.ixx as Real, inertial.inertia.ixy as Real, inertial.inertia.ixz as Real,
inertial.inertia.ixy as Real, inertial.inertia.iyy as Real, inertial.inertia.iyz as Real,
inertial.inertia.ixz as Real, inertial.inertia.iyz as Real,inertial.inertia.izz as Real,
),
))
}
Expand Down Expand Up @@ -518,13 +487,19 @@ fn urdf_to_colliders(
*radius as Real,
));
}
Geometry::Capsule { radius, length } => {
colliders.push(SharedShape::capsule_z(
*length as Real / 2.0,
*radius as Real,
));
}
Geometry::Sphere { radius } => {
colliders.push(SharedShape::ball(*radius as Real));
}
Geometry::Mesh { filename, scale } => {
let full_path = mesh_dir.join(filename);
let scale = scale
.map(|s| Vector::new(s.x as Real, s.y as Real, s.z as Real))
.map(|s| Vector::new(s[0] as Real, s[1] as Real, s[2] as Real))
.unwrap_or_else(|| Vector::<Real>::repeat(1.0));
let Ok(loaded_mesh) = rapier3d_meshloader::load_from_path(
full_path,
Expand Down Expand Up @@ -576,21 +551,22 @@ fn urdf_to_joint(
pose1: &Isometry<Real>,
link2: &mut RigidBody,
) -> GenericJoint {
let joint_type = JointType::from_str(&joint.joint_type).unwrap_or_default();
let locked_axes = match joint_type {
JointType::Fixed => JointAxesMask::LOCKED_FIXED_AXES,
JointType::Continuous | JointType::Revolute => JointAxesMask::LOCKED_REVOLUTE_AXES,
JointType::Floating => JointAxesMask::empty(),
JointType::Planar => JointAxesMask::ANG_AXES | JointAxesMask::LIN_X,
JointType::Prismatic => JointAxesMask::LOCKED_PRISMATIC_AXES,
JointType::Spherical => JointAxesMask::LOCKED_SPHERICAL_AXES,
let locked_axes = match joint.joint_type {
urdf_rs::JointType::Fixed => JointAxesMask::LOCKED_FIXED_AXES,
urdf_rs::JointType::Continuous | urdf_rs::JointType::Revolute => {
JointAxesMask::LOCKED_REVOLUTE_AXES
}
urdf_rs::JointType::Floating => JointAxesMask::empty(),
urdf_rs::JointType::Planar => JointAxesMask::ANG_AXES | JointAxesMask::LIN_X,
urdf_rs::JointType::Prismatic => JointAxesMask::LOCKED_PRISMATIC_AXES,
urdf_rs::JointType::Spherical => JointAxesMask::LOCKED_SPHERICAL_AXES,
};
let joint_to_parent = urdf_to_isometry(&joint.origin);
let joint_axis = na::Unit::try_new(
Vector::new(
joint.axis.x as Real,
joint.axis.y as Real,
joint.axis.z as Real,
joint.axis.xyz[0] as Real,
joint.axis.xyz[1] as Real,
joint.axis.xyz[2] as Real,
),
1.0e-5,
);
Expand All @@ -607,14 +583,14 @@ fn urdf_to_joint(
.local_axis2(joint_axis);
}

match joint_type {
JointType::Prismatic => {
match joint.joint_type {
urdf_rs::JointType::Prismatic => {
builder = builder.limits(
JointAxis::LinX,
[joint.limit.lower as Real, joint.limit.upper as Real],
)
}
JointType::Revolute => {
urdf_rs::JointType::Revolute => {
builder = builder.limits(
JointAxis::AngX,
[joint.limit.lower as Real, joint.limit.upper as Real],
Expand Down
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