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Add XRFrame.getPose()

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This commit is contained in:
Manish Goregaokar 2019-04-04 16:21:15 -07:00
parent 3d790278f1
commit 7e4b6512a7
2 changed files with 18 additions and 0 deletions
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1
components/script/dom/webidls/XRFrame.webidl
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@ -9,5 +9,6 @@ interface XRFrame {
readonly attribute XRSession session;
[Throws] XRViewerPose? getViewerPose(XRReferenceSpace referenceSpace);
[Throws] XRPose? getPose(XRSpace space, XRSpace relativeTo);
// XRInputPose? getInputPose(XRInputSource inputSource, optional XRReferenceSpace referenceSpace);
};

17
components/script/dom/xrframe.rs
View file

@ -9,8 +9,10 @@ use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::globalscope::GlobalScope;
use crate::dom::xrpose::XRPose;
use crate::dom::xrreferencespace::XRReferenceSpace;
use crate::dom::xrsession::XRSession;
use crate::dom::xrspace::XRSpace;
use crate::dom::xrviewerpose::XRViewerPose;
use dom_struct::dom_struct;
use webvr_traits::WebVRFrameData;
@ -67,4 +69,19 @@ impl XRFrameMethods for XRFrame {
&self.data,
)))
}
/// https://immersive-web.github.io/webxr/#dom-xrframe-getpose
fn GetPose(
&self,
space: &XRSpace,
relative_to: &XRSpace,
) -> Result<Option<DomRoot<XRPose>>, Error> {
if self.session != space.session() || self.session != relative_to.session() {
return Err(Error::InvalidState);
}
let space = space.get_pose(&self.data);
let relative_to = relative_to.get_pose(&self.data);
let pose = relative_to.inverse().pre_mul(&space);
Ok(Some(XRPose::new(&self.global(), pose)))
}
}