Add a viewer typed reference space

This commit is contained in:
Manish Goregaokar 2019-07-08 19:44:08 -07:00
parent 57c85361be
commit b818af794a
4 changed files with 21 additions and 23 deletions

View file

@ -9,7 +9,7 @@ use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::globalscope::GlobalScope;
use crate::dom::vrframedata::create_typed_array;
use crate::dom::xrrigidtransform::XRRigidTransform;
use crate::dom::xrsession::{cast_transform, ApiRigidTransform, XRSession};
use crate::dom::xrsession::{cast_transform, ApiViewerPose, XRSession};
use dom_struct::dom_struct;
use js::jsapi::{Heap, JSContext, JSObject};
use std::ptr::NonNull;
@ -45,13 +45,16 @@ impl XRView {
session: &XRSession,
view: &View<V>,
eye: XREye,
pose: &ApiRigidTransform,
pose: &ApiViewerPose,
) -> DomRoot<XRView> {
// XXXManishearth compute and cache projection matrices on the Display
let offset = cast_transform(view.transform);
let transform = pose.post_mul(&offset.into());
let transform = XRRigidTransform::new(global, transform);
// this transform is the pose of the viewer in the eye space, i.e. it is the transform
// from the viewer space to the eye space. We invert it to get the pose of the eye in the viewer space.
let offset = view.transform.inverse();
let transform = pose.pre_mul(&offset);
let transform = XRRigidTransform::new(global, cast_transform(transform));
let ret = reflect_dom_object(
Box::new(XRView::new_inherited(session, &transform, eye)),