| <!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> |