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Add proper get_pose for XRSpaces

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This commit is contained in:
Manish Goregaokar 2019-04-04 16:06:23 -07:00
parent d2e2b8da4d
commit e33896f3ec
3 changed files with 53 additions and 25 deletions
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25
components/script/dom/xrspace.rs
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@ -11,7 +11,7 @@ use crate::dom::globalscope::GlobalScope;
use crate::dom::xrreferencespace::XRReferenceSpace;
use crate::dom::xrsession::XRSession;
use dom_struct::dom_struct;
use euclid::RigidTransform3D;
use euclid::{RigidTransform3D, Rotation3D, Vector3D};
use webvr_traits::WebVRFrameData;
#[dom_struct]
@ -39,16 +39,6 @@ impl XRSpace {
}
impl XRSpace {
/// Gets pose of the viewer with respect to this space
#[allow(unused)]
pub fn get_viewer_pose(&self, base_pose: &WebVRFrameData) -> RigidTransform3D<f64> {
if let Some(reference) = self.downcast::<XRReferenceSpace>() {
reference.get_viewer_pose(base_pose)
} else {
unreachable!()
}
}
/// Gets pose represented by this space
///
/// The reference origin used is common between all
@ -62,4 +52,17 @@ impl XRSpace {
unreachable!()
}
}
pub fn viewer_pose_from_frame_data(data: &WebVRFrameData) -> RigidTransform3D<f64> {
let pos = data.pose.position.unwrap_or([0., 0., 0.]);
let translation = Vector3D::new(pos[0] as f64, pos[1] as f64, pos[2] as f64);
let orient = data.pose.orientation.unwrap_or([0., 0., 0., 0.]);
let rotation = Rotation3D::quaternion(
orient[0] as f64,
orient[1] as f64,
orient[2] as f64,
orient[3] as f64,
);
RigidTransform3D::new(rotation, translation)
}
}