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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/webxr_test_constants.js"></script>
<script src="resources/webxr_util.js"></script>
<script src="resources/webxr_test_asserts.js"></script>
<script>
let immersiveTestName = "XRFrame.getPose works for immersive sessions";
let nonImmersiveTestName = "XRFrame.getPose works for non-immersive sessions";
let fakeDeviceInitParams = TRACKED_IMMERSIVE_DEVICE;
let testFunction = function(session, fakeDeviceController, t) {
return Promise.all([
session.requestReferenceSpace('local'),
session.requestReferenceSpace('local')
]).then((spaces) => new Promise((resolve) => {
function onFrame(time, xrFrame) {
const radians = Math.PI / 2.0; // 90 degrees
// Both eye-level spaces start out with originOffset = identity matrix.
let space1 = spaces[0];
let space2 = spaces[1];
let offset = new XRRigidTransform(
DOMPointReadOnly.fromPoint({
x: 2,
y: 3,
z: 4,
w: 1,
}));
let translatedSpace1 = space1.getOffsetReferenceSpace(offset);
let translated_from_base = xrFrame.getPose(translatedSpace1, space1);
// Getting the transform of an offset space from the space it was based on
// should be the same as the initially applied offset.
t.step(() => {
assert_matrix_approx_equals(translated_from_base.transform.matrix, offset.matrix, FLOAT_EPSILON);
});
// Rotate 90 degrees about x axis, then move 1 meter along y axis.
space1 = space1.getOffsetReferenceSpace(new XRRigidTransform(
DOMPointReadOnly.fromPoint({
x : 0,
y : 1,
z : 0,
w : 1
}),
DOMPointReadOnly.fromPoint({
x : Math.sin(radians / 2),
y : 0,
z : 0,
w : Math.cos(radians / 2)
})
));
// Rotate 90 degrees about z axis, then move 1 meter along x axis.
space2 = space2.getOffsetReferenceSpace(new XRRigidTransform(
DOMPointReadOnly.fromPoint({
x : 1,
y : 0,
z : 0,
w : 1
}),
DOMPointReadOnly.fromPoint({
x : 0,
y : 0,
z : Math.sin(radians / 2),
w : Math.cos(radians / 2)
})
));
let space2_from_space1 = xrFrame.getPose(space1, space2);
const EXPECTED_POSE_MATRIX = [
0, -1, 0, 0, // 1st column
0, 0, 1, 0, // 2nd column
-1, 0, 0, 0, // 3rd column
1, 1, 0, 1 // 4th column
];
t.step(() => {
assert_matrix_approx_equals(space2_from_space1.transform.matrix, EXPECTED_POSE_MATRIX, FLOAT_EPSILON);
});
// Finished test.
resolve();
}
session.requestAnimationFrame(onFrame);
}));
};
xr_session_promise_test(immersiveTestName, testFunction,
fakeDeviceInitParams, 'immersive-vr');
xr_session_promise_test(nonImmersiveTestName, testFunction,
fakeDeviceInitParams, 'inline', { 'requiredFeatures': ['local'] });
</script>
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