servo/components/script/dom/xrspace.rs
2019-04-04 14:50:23 -07:00

65 lines
2.1 KiB
Rust

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use crate::dom::bindings::codegen::Bindings::XRSpaceBinding;
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::reflector::reflect_dom_object;
use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::eventtarget::EventTarget;
use crate::dom::globalscope::GlobalScope;
use crate::dom::xrreferencespace::XRReferenceSpace;
use crate::dom::xrsession::XRSession;
use dom_struct::dom_struct;
use euclid::RigidTransform3D;
use webvr_traits::WebVRFrameData;
#[dom_struct]
pub struct XRSpace {
eventtarget: EventTarget,
session: Dom<XRSession>,
}
impl XRSpace {
pub fn new_inherited(session: &XRSession) -> XRSpace {
XRSpace {
eventtarget: EventTarget::new_inherited(),
session: Dom::from_ref(session),
}
}
#[allow(unused)]
pub fn new(global: &GlobalScope, session: &XRSession) -> DomRoot<XRSpace> {
reflect_dom_object(
Box::new(XRSpace::new_inherited(session)),
global,
XRSpaceBinding::Wrap,
)
}
}
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
/// get_pose calls for spaces from the same device, so this can be used to compare
/// with other spaces
#[allow(unused)]
pub fn get_pose(&self, base_pose: &WebVRFrameData) -> RigidTransform3D<f64> {
if let Some(reference) = self.downcast::<XRReferenceSpace>() {
reference.get_pose(base_pose)
} else {
unreachable!()
}
}
}