Definition
WebXR Layers API Level 1 defines XRMediaEquirectLayerInit
dictionary XRMediaEquirectLayerInit : XRMediaLayerInit {
XRRigidTransform? transform;
float radius = 0.0;
float centralHorizontalAngle = 6.28318;
float upperVerticalAngle = 1.570795;
float lowerVerticalAngle = -1.570795;
};