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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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21
components/script/dom/xrrigidtransform.rs
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@ -3,6 +3,7 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use crate::dom::bindings::codegen::Bindings::DOMPointBinding::DOMPointInit;
use crate::dom::bindings::codegen::Bindings::DOMPointReadOnlyBinding::DOMPointReadOnlyBinding::DOMPointReadOnlyMethods;
use crate::dom::bindings::codegen::Bindings::XRRigidTransformBinding;
use crate::dom::bindings::codegen::Bindings::XRRigidTransformBinding::XRRigidTransformMethods;
use crate::dom::bindings::error::Fallible;
@ -12,6 +13,7 @@ use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::dompointreadonly::DOMPointReadOnly;
use crate::dom::window::Window;
use dom_struct::dom_struct;
use euclid::{Rotation3D, Transform3D};
#[dom_struct]
pub struct XRRigidTransform {
@ -65,6 +67,7 @@ impl XRRigidTransform {
) -> Fallible<DomRoot<Self>> {
let global = window.global();
let position = DOMPointReadOnly::new_from_init(&global, &position);
// XXXManishearth normalize this
let orientation = DOMPointReadOnly::new_from_init(&global, &orientation);
Ok(XRRigidTransform::new(window, &position, &orientation))
}
@ -80,3 +83,21 @@ impl XRRigidTransformMethods for XRRigidTransform {
DomRoot::from_ref(&self.orientation)
}
}
impl XRRigidTransform {
pub fn matrix(&self) -> Transform3D<f64> {
// XXXManishearth compute this during initialization
let translate = Transform3D::create_translation(
self.position.X(),
self.position.Y(),
self.position.Z(),
);
let rotation = Rotation3D::unit_quaternion(
self.orientation.X(),
self.orientation.Y(),
self.orientation.Z(),
self.orientation.W(),
);
translate.pre_mul(&rotation.to_transform())
}
}