Support grip spaces in WebXR

This commit is contained in:
Manish Goregaokar 2019-10-07 17:20:14 -07:00
parent 0a745aaa44
commit c521d8ec01
3 changed files with 35 additions and 7 deletions

View file

@ -19,6 +19,8 @@ pub struct XRSpace {
eventtarget: EventTarget,
session: Dom<XRSession>,
input_source: MutNullableDom<XRInputSource>,
/// If we're an input space, are we an aim space or a grip space?
is_grip_space: bool,
}
impl XRSpace {
@ -27,14 +29,20 @@ impl XRSpace {
eventtarget: EventTarget::new_inherited(),
session: Dom::from_ref(session),
input_source: Default::default(),
is_grip_space: false,
}
}
fn new_inputspace_inner(session: &XRSession, input: &XRInputSource) -> XRSpace {
fn new_inputspace_inner(
session: &XRSession,
input: &XRInputSource,
is_grip_space: bool,
) -> XRSpace {
XRSpace {
eventtarget: EventTarget::new_inherited(),
session: Dom::from_ref(session),
input_source: MutNullableDom::new(Some(input)),
is_grip_space,
}
}
@ -42,9 +50,10 @@ impl XRSpace {
global: &GlobalScope,
session: &XRSession,
input: &XRInputSource,
is_grip_space: bool,
) -> DomRoot<XRSpace> {
reflect_dom_object(
Box::new(XRSpace::new_inputspace_inner(session, input)),
Box::new(XRSpace::new_inputspace_inner(session, input, is_grip_space)),
global,
XRSpaceBinding::Wrap,
)
@ -72,7 +81,11 @@ impl XRSpace {
.iter()
.find(|i| i.id == id)
.expect("no input found");
frame.target_ray_origin.map(cast_transform)
if self.is_grip_space {
frame.grip_origin.map(cast_transform)
} else {
frame.target_ray_origin.map(cast_transform)
}
} else {
unreachable!()
}