clean project

Assets/Oculus/Interaction/Runtime/Scripts/Grab/FingerRawPinchAPI.cs

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+/************************************************************************************
+Copyright : Copyright (c) Facebook Technologies, LLC and its affiliates. All rights reserved.
+
+Your use of this SDK or tool is subject to the Oculus SDK License Agreement, available at
+https://developer.oculus.com/licenses/oculussdk/
+
+Unless required by applicable law or agreed to in writing, the Utilities SDK 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 Oculus.Interaction.Input;
+using UnityEngine;
+
+namespace Oculus.Interaction.GrabAPI
+{
+    public class FingerRawPinchAPI : IFingerAPI
+    {
+        private class FingerPinchData
+        {
+            private readonly HandFinger _finger;
+            private readonly HandJointId _tipId;
+
+            public float PinchStrength;
+            public bool IsPinching;
+            public bool IsPinchingChanged;
+
+            public Vector3 TipPosition { get; private set; }
+
+            public FingerPinchData(HandFinger fingerId)
+            {
+                _finger = fingerId;
+                _tipId = HandJointUtils.GetHandFingerTip(fingerId);
+            }
+
+            public void UpdateTipPosition(IHand hand)
+            {
+                if (hand.GetJointPoseFromWrist(_tipId, out Pose pose))
+                {
+                    TipPosition = pose.position;
+                }
+            }
+
+            public void UpdateIsPinching(IHand hand)
+            {
+                PinchStrength = hand.GetFingerPinchStrength(_finger);
+                bool isPinching = hand.GetFingerIsPinching(_finger);
+                IsPinchingChanged = isPinching != IsPinching;
+                IsPinching = isPinching;
+            }
+        }
+
+        private readonly FingerPinchData[] _fingersPinchData =
+        {
+            new FingerPinchData(HandFinger.Thumb),
+            new FingerPinchData(HandFinger.Index),
+            new FingerPinchData(HandFinger.Middle),
+            new FingerPinchData(HandFinger.Ring),
+            new FingerPinchData(HandFinger.Pinky)
+        };
+
+        public bool GetFingerIsGrabbing(HandFinger finger)
+        {
+            return _fingersPinchData[(int)finger].IsPinching;
+        }
+
+        public Vector3 GetCenterOffset()
+        {
+            float maxStrength = float.NegativeInfinity;
+            Vector3 thumbTip = _fingersPinchData[0].TipPosition;
+            Vector3 center = thumbTip;
+
+            for (int i = 1; i < Constants.NUM_FINGERS; ++i)
+            {
+                float strength = _fingersPinchData[i].PinchStrength;
+                if (strength > maxStrength)
+                {
+                    maxStrength = strength;
+                    Vector3 fingerTip = _fingersPinchData[i].TipPosition;
+                    center = (thumbTip + fingerTip) * 0.5f;
+                }
+            }
+
+            return center;
+        }
+
+        public bool GetFingerIsGrabbingChanged(HandFinger finger, bool targetPinchState)
+        {
+            return _fingersPinchData[(int)finger].IsPinchingChanged &&
+                   _fingersPinchData[(int)finger].IsPinching == targetPinchState;
+        }
+
+        public float GetFingerGrabStrength(HandFinger finger)
+        {
+            return _fingersPinchData[(int)finger].PinchStrength;
+        }
+
+        public void Update(IHand hand)
+        {
+            for (int i = 0; i < Constants.NUM_FINGERS; ++i)
+            {
+                _fingersPinchData[i].UpdateIsPinching(hand);
+            }
+
+        }
+    }
+}