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Add XRSpace::get_viewer_pose()

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This commit is contained in:
Manish Goregaokar 2019-03-21 14:50:02 -07:00
parent 1e1f527c82
commit d1d8e97c30
4 changed files with 103 additions and 0 deletions
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22
components/script/dom/xrstationaryreferencespace.rs
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@ -11,6 +11,8 @@ use crate::dom::xrreferencespace::XRReferenceSpace;
use crate::dom::xrrigidtransform::XRRigidTransform;
use crate::dom::xrsession::XRSession;
use dom_struct::dom_struct;
use euclid::{Rotation3D, Transform3D};
use webvr_traits::WebVRFrameData;
#[dom_struct]
pub struct XRStationaryReferenceSpace {
@ -46,3 +48,23 @@ impl XRStationaryReferenceSpace {
)
}
}
impl XRStationaryReferenceSpace {
/// Gets pose represented by this space
///
/// Does not apply originOffset, use get_viewer_pose instead
pub fn get_pose(&self, base_pose: &WebVRFrameData) -> Transform3D<f64> {
// XXXManishearth add floor-level transform for floor-level and disable position in position-disabled
let pos = base_pose.pose.position.unwrap_or([0., 0., 0.]);
let translation =
Transform3D::create_translation(pos[0] as f64, pos[1] as f64, pos[2] as f64);
let orient = base_pose.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,
);
translation.pre_mul(&rotation.to_transform())
}
}