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Support position-disabled spaces

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This commit is contained in:
Manish Goregaokar 2019-04-05 17:49:53 -07:00
parent cdbc08b911
commit e5b802ecce
1 changed files with 35 additions and 8 deletions
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43
components/script/dom/xrstationaryreferencespace.rs
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@ -54,19 +54,46 @@ impl XRStationaryReferenceSpace {
/// Gets pose of the viewer with respect to this space
///
/// Does not apply originOffset, use get_viewer_pose on XRReferenceSpace instead
pub fn get_unoffset_viewer_pose(&self, base_pose: &WebVRFrameData) -> RigidTransform3D<f64> {
// XXXManishearth add floor-level transform for floor-level and disable position in position-disabled
XRSpace::viewer_pose_from_frame_data(base_pose)
pub fn get_unoffset_viewer_pose(&self, viewer_pose: &WebVRFrameData) -> RigidTransform3D<f64> {
let viewer_pose = XRSpace::viewer_pose_from_frame_data(viewer_pose);
match self.ty {
XRStationaryReferenceSpaceSubtype::Eye_level => {
// we get viewer poses in eye-level space by default
viewer_pose
}
XRStationaryReferenceSpaceSubtype::Floor_level => {
// XXXManishearth support floor-level
viewer_pose
}
XRStationaryReferenceSpaceSubtype::Position_disabled => {
// This space follows the user around, but does not mirror the user's orientation
// Thus, the viewer's pose relative to this space is simply their orientation
viewer_pose.rotation.into()
}
}
}
/// Gets pose represented by this space
///
/// Does not apply originOffset, use get_pose on XRReferenceSpace instead
pub fn get_unoffset_pose(&self, _: &WebVRFrameData) -> RigidTransform3D<f64> {
pub fn get_unoffset_pose(&self, viewer_pose: &WebVRFrameData) -> RigidTransform3D<f64> {
// XXXManishearth add floor-level transform for floor-level and disable position in position-disabled
// The eye-level pose is basically whatever the headset pose was at t=0, which
// for most devices is (0, 0, 0)
RigidTransform3D::identity()
match self.ty {
XRStationaryReferenceSpaceSubtype::Eye_level => {
// The eye-level pose is basically whatever the headset pose was at t=0, which
// for most devices is (0, 0, 0)
RigidTransform3D::identity()
}
XRStationaryReferenceSpaceSubtype::Floor_level => {
// XXXManishearth support floor-level
RigidTransform3D::identity()
}
XRStationaryReferenceSpaceSubtype::Position_disabled => {
// This space follows the user around, but does not mirror the user's orientation
let viewer_pose = XRSpace::viewer_pose_from_frame_data(viewer_pose);
viewer_pose.translation.into()
}
}
}
}