void INavigationHandler.OnNavigationUpdated(NavigationEventData eventData)
{
if (isSelected)
{
// 左右移动为旋转，上下移动为缩放
float dx = eventData.NormalizedOffset.x;
float dy = eventData.NormalizedOffset.y;
if (System.Math.Abs(dx) > System.Math.Abs(dy))
{
// 2.c: Calculate a float rotationFactor based on eventData's NormalizedOffset.x multiplied by RotationSensitivity.
// This will help control the amount of rotation.
float rotationFactor = dx * RotationSensitivity;
// 2.c: transform.Rotate around the Y axis using rotationFactor.
transform.Rotate(new Vector3(0, -1 * rotationFactor, 0));
}
else
{
Vector3 dScale = Vector3.zero;
//设置每一帧缩放的大小
float scaleValue = 0.0002f;
if (dy > 0)
{
scaleValue = -1 * scaleValue;
}
//当缩放超出设置的最大，最小范围时直接返回
if (transform.localScale.x > maxScale && scaleValue > 0)
{
return;
}
if (transform.localScale.x < minScale && scaleValue < 0)
{
return;
}
//根据比例计算每个方向上的缩放大小
dScale.x = scaleValue;
dScale.y = scaleValue;
dScale.z = scaleValue;
transform.localScale += dScale;
}
}
else
{
Vector3 currentHandPosition = Vector3.zero;
InteractionSourceInfo sourceKind;
inputSource.TryGetSourceKind(inputSourceId, out sourceKind);
switch (sourceKind)
{
case InteractionSourceInfo.Hand:
inputSource.TryGetGripPosition(inputSourceId, out currentHandPosition);
break;
case InteractionSourceInfo.Controller:
inputSource.TryGetPointerPosition(inputSourceId, out currentHandPosition);
break;
}
transform.position += (currentHandPosition - prevHandPosition) * TranslationSensitivity;
prevHandPosition = currentHandPosition;
}
}
void INavigationHandler.OnNavigationStarted(NavigationEventData eventData)
{
InputManager.Instance.PushModalInputHandler(gameObject);
eventData.Use(); // Mark the event as used, so it doesn't fall through to other handlers.
if (!isSelected)
{
inputSource = eventData.InputSource;
inputSourceId = eventData.SourceId;
Vector3 currentHandPosition = Vector3.zero;
InteractionSourceInfo sourceKind;
inputSource.TryGetSourceKind(inputSourceId, out sourceKind);
switch (sourceKind)
{
case InteractionSourceInfo.Hand:
inputSource.TryGetGripPosition(inputSourceId, out currentHandPosition);
break;
case InteractionSourceInfo.Controller:
inputSource.TryGetPointerPosition(inputSourceId, out currentHandPosition);
break;
}
prevHandPosition = currentHandPosition;
}
//gameObject.SendMessageUpwards("OnSelect", SendMessageOptions.DontRequireReceiver);
}
//Called when dragging starts
//Save initial hand position
public void StartDragging(Vector3 initialDraggingPosition)
{
if (!isEnabled || !allowDragging || isDragging)
{
return;
}
// TODO: robertes: Fix push/pop and single-handler model so that multiple HandDraggable components
// can be active at once.
// Add self as a modal input handler, to get all inputs during the manipulation
InputManager.Instance.PushModalInputHandler(gameObject);
isDragging = true;
if (hostRigidbody != null)
{
hostRigidbodyWasKinematic = hostRigidbody.isKinematic;
hostRigidbody.isKinematic = true;
}
Vector3 inputPosition = Vector3.zero;
#if UNITY_2017_2_OR_NEWER
InteractionSourceInfo sourceKind;
currentInputSource.TryGetSourceKind(currentInputSourceId, out sourceKind);
switch (sourceKind)
{
case InteractionSourceInfo.Hand:
currentInputSource.TryGetGripPosition(currentInputSourceId, out inputPosition);
break;
case InteractionSourceInfo.Controller:
currentInputSource.TryGetPointerPosition(currentInputSourceId, out inputPosition);
break;
}
#else
currentInputSource.TryGetPointerPosition(currentInputSourceId, out inputPosition);
#endif
Debug.Log("Hand reference position " + inputPosition.ToString());
draggingPosition = initialDraggingPosition;
handDraggingPosition = inputPosition;
StartedDragging.RaiseEvent();
}
public void StartScaling()
{
if (!IsScalingEnabled)
{
return;
}
if (isScaling)
{
return;
}
InputManager.Instance.PushModalInputHandler(gameObject);
isScaling = true;
Vector3 inputPosition = Vector3.zero;
#if UNITY_2017_2_OR_NEWER
InteractionSourceInfo sourceKind;
currentInputSource.TryGetSourceKind(currentInputSourceId, out sourceKind);
switch (sourceKind)
{
case InteractionSourceInfo.Hand:
currentInputSource.TryGetGripPosition(currentInputSourceId, out inputPosition);
break;
case InteractionSourceInfo.Controller:
currentInputSource.TryGetPointerPosition(currentInputSourceId, out inputPosition);
break;
}
#else
currentInputSource.TryGetPointerPosition(currentInputSourceId, out inputPosition);
#endif
startPosition = inputPosition;
startScale = transform.localScale.x;
StartedScaling.RaiseEvent();
}
public static Vector3 GetHandPos(IInputSource currentInputSource, uint currentInputSourceId)
{
#if UNITY_2017_2_OR_NEWER
Vector3 pos = Vector3.zero;
InteractionSourceInfo sourceKind;
currentInputSource.TryGetSourceKind(currentInputSourceId, out sourceKind);
switch (sourceKind)
{
case InteractionSourceInfo.Hand:
currentInputSource.TryGetGripPosition(currentInputSourceId, out pos);
break;
case InteractionSourceInfo.Controller:
currentInputSource.TryGetPointerPosition(currentInputSourceId, out pos);
break;
}
#else
currentInputSource.TryGetPointerPosition(currentInputSourceId, out pos);
#endif
return(pos);
}
/// <summary>
/// Starts dragging the object.
/// </summary>
public void StartDragging(Vector3 initialDraggingPosition)
{
if (!IsDraggingEnabled)
{
return;
}
if (isDragging)
{
return;
}
// TODO: robertes: Fix push/pop and single-handler model so that multiple HandDraggable components
// can be active at once.
// Add self as a modal input handler, to get all inputs during the manipulation
InputManager.Instance.PushModalInputHandler(gameObject);
isDragging = true;
if (hostRigidbody != null)
{
hostRigidbodyWasKinematic = hostRigidbody.isKinematic;
hostRigidbody.isKinematic = true;
}
Transform cameraTransform = CameraCache.Main.transform;
Vector3 inputPosition = Vector3.zero;
#if UNITY_2017_2_OR_NEWER
InteractionSourceInfo sourceKind;
currentInputSource.TryGetSourceKind(currentInputSourceId, out sourceKind);
switch (sourceKind)
{
case InteractionSourceInfo.Hand:
currentInputSource.TryGetGripPosition(currentInputSourceId, out inputPosition);
break;
case InteractionSourceInfo.Controller:
currentInputSource.TryGetPointerPosition(currentInputSourceId, out inputPosition);
break;
}
#else
currentInputSource.TryGetPointerPosition(currentInputSourceId, out inputPosition);
#endif
Vector3 pivotPosition = GetHandPivotPosition(cameraTransform);
handRefDistance = Vector3.Magnitude(inputPosition - pivotPosition);
objRefDistance = Vector3.Magnitude(initialDraggingPosition - pivotPosition);
Vector3 objForward = HostTransform.forward;
Vector3 objUp = HostTransform.up;
// Store where the object was grabbed from
objRefGrabPoint = cameraTransform.transform.InverseTransformDirection(HostTransform.position - initialDraggingPosition);
Vector3 objDirection = Vector3.Normalize(initialDraggingPosition - pivotPosition);
Vector3 handDirection = Vector3.Normalize(inputPosition - pivotPosition);
objForward = cameraTransform.InverseTransformDirection(objForward); // in camera space
objUp = cameraTransform.InverseTransformDirection(objUp); // in camera space
objDirection = cameraTransform.InverseTransformDirection(objDirection); // in camera space
handDirection = cameraTransform.InverseTransformDirection(handDirection); // in camera space
objRefForward = objForward;
objRefUp = objUp;
// Store the initial offset between the hand and the object, so that we can consider it when dragging
gazeAngularOffset = Quaternion.FromToRotation(handDirection, objDirection);
draggingPosition = initialDraggingPosition;
StartedDragging.RaiseEvent();
}
/// <summary>
/// オブジェクトのドラッグを開始する
/// </summary>
public void StartDragging(Vector3 initialDraggingPosition)
{
if (!IsDraggingEnabled)
{
return;
}
if (isDragging)
{
return;
}
// マニピュレーションのあいだのすべての入力を取得するため、自身をモーダル入力対象に追加する
InputManager.Instance.PushModalInputHandler(gameObject);
isDragging = true;
Transform cameraTransform = CameraCache.Main.transform;
// 手もしくはコントローラーの位置を取得する
Vector3 inputPosition = Vector3.zero;
#if UNITY_2017_2_OR_NEWER
InteractionSourceInfo sourceKind;
currentInputSource.TryGetSourceKind(currentInputSourceId, out sourceKind);
switch (sourceKind)
{
case InteractionSourceInfo.Hand:
currentInputSource.TryGetGripPosition(currentInputSourceId, out inputPosition);
break;
case InteractionSourceInfo.Controller:
currentInputSource.TryGetPointerPosition(currentInputSourceId, out inputPosition);
break;
}
#else
currentInputSource.TryGetPointerPosition(currentInputSourceId, out inputPosition);
#endif
// 基点の位置を取得する
Vector3 pivotPosition = GetHandPivotPosition(cameraTransform);
// つかんだときの基点と手とのあいだの距離
handRefDistance = Vector3.Magnitude(inputPosition - pivotPosition);
// 基点とオブジェクトのあいだの距離
objRefDistance = Vector3.Magnitude(initialDraggingPosition - pivotPosition);
Vector3 objForward = HostTransform.forward;
Vector3 objUp = HostTransform.up;
// オブジェクトがつかまれた場所を保持する
objRefGrabPoint = cameraTransform.transform.InverseTransformDirection(HostTransform.position - initialDraggingPosition);
Vector3 objDirection = Vector3.Normalize(initialDraggingPosition - pivotPosition);
Vector3 handDirection = Vector3.Normalize(inputPosition - pivotPosition);
objForward = cameraTransform.InverseTransformDirection(objForward); // カメラ空間での
objUp = cameraTransform.InverseTransformDirection(objUp); // カメラ空間での
objDirection = cameraTransform.InverseTransformDirection(objDirection); // カメラ空間での
handDirection = cameraTransform.InverseTransformDirection(handDirection); // カメラ空間での
objRefForward = objForward;
objRefUp = objUp;
// 手とオブジェクトのあいだの最初の回転の差分を保持する
// これによりドラッグ中にこれを考慮できる
gazeAngularOffset = Quaternion.FromToRotation(handDirection, objDirection);
draggingPosition = initialDraggingPosition;
StartedDragging.RaiseEvent();
}
