99 lines
3.2 KiB
C#
99 lines
3.2 KiB
C#
|
// Copyright 2017 Google Inc. All rights reserved.
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
using UnityEngine;
|
||
|
|
|
||
|
|
#if UNITY_2017_2_OR_NEWER
|
||
|
|
using UnityEngine.XR;
|
||
|
|
#else
|
||
|
|
using XRSettings = UnityEngine.VR.VRSettings;
|
||
|
|
#endif // UNITY_2017_2_OR_NEWER
|
||
|
|
|
||
|
|
/// Used to recenter only the controllers, required for scenes that have no clear forward direction.
|
||
|
|
/// Details: https://developers.google.com/vr/distribute/daydream/design-requirements#UX-D6
|
||
|
|
///
|
||
|
|
/// Works by offsetting the orientation of the transform when a recenter occurs to correct for the
|
||
|
|
/// orientation change caused by the recenter event.
|
||
|
|
///
|
||
|
|
/// Usage: Place on the parent of the camera that should have it's orientation corrected.
|
||
|
|
[HelpURL("https://developers.google.com/vr/unity/reference/class/GvrRecenterOnlyController")]
|
||
|
|
public class GvrRecenterOnlyController : MonoBehaviour {
|
||
|
|
private Quaternion lastAppliedYawCorrection = Quaternion.identity;
|
||
|
|
private Quaternion yawCorrection = Quaternion.identity;
|
||
|
|
|
||
|
|
void Update() {
|
||
|
|
bool connected = false;
|
||
|
|
foreach (var hand in Gvr.Internal.ControllerUtils.AllHands) {
|
||
|
|
GvrControllerInputDevice device = GvrControllerInput.GetDevice(hand);
|
||
|
|
if (device.State == GvrConnectionState.Connected) {
|
||
|
|
connected = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!connected) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Daydream is loaded only on deivce, not in editor.
|
||
|
|
#if UNITY_ANDROID && !UNITY_EDITOR
|
||
|
|
if (XRSettings.loadedDeviceName != GvrSettings.VR_SDK_DAYDREAM) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if (GvrControllerInput.Recentered) {
|
||
|
|
ApplyYawCorrection();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
#if UNITY_EDITOR
|
||
|
|
// Compatibility for Instant Preview.
|
||
|
|
if (Gvr.Internal.InstantPreview.Instance != null &&
|
||
|
|
Gvr.Internal.InstantPreview.Instance.enabled &&
|
||
|
|
Gvr.Internal.ControllerUtils.AnyButton(GvrControllerButton.System)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
#else // !UNITY_EDITOR
|
||
|
|
if (Gvr.Internal.ControllerUtils.AnyButton(GvrControllerButton.System)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
#endif // UNITY_EDITOR
|
||
|
|
|
||
|
|
yawCorrection = GetYawCorrection();
|
||
|
|
}
|
||
|
|
|
||
|
|
void OnDisable() {
|
||
|
|
yawCorrection = Quaternion.identity;
|
||
|
|
RemoveLastYawCorrection();
|
||
|
|
}
|
||
|
|
|
||
|
|
private void ApplyYawCorrection() {
|
||
|
|
RemoveLastYawCorrection();
|
||
|
|
transform.localRotation = transform.localRotation * yawCorrection;
|
||
|
|
lastAppliedYawCorrection = yawCorrection;
|
||
|
|
}
|
||
|
|
|
||
|
|
private void RemoveLastYawCorrection() {
|
||
|
|
transform.localRotation =
|
||
|
|
transform.localRotation * Quaternion.Inverse(lastAppliedYawCorrection);
|
||
|
|
lastAppliedYawCorrection = Quaternion.identity;
|
||
|
|
}
|
||
|
|
|
||
|
|
private Quaternion GetYawCorrection() {
|
||
|
|
Quaternion headRotation = GvrVRHelpers.GetHeadRotation();
|
||
|
|
Vector3 euler = headRotation.eulerAngles;
|
||
|
|
return lastAppliedYawCorrection * Quaternion.Euler(0.0f, euler.y, 0.0f);
|
||
|
|
}
|
||
|
|
}
|