/// <summary>
/// Starts scaling the object with the given input source.
/// </summary>
public void StartScaling(IInputSource inputSource, uint inputSourceId)
{
if (isScaling)
{
return;
}
if (inputSource == null || !inputSource.SupportsInputInfo(inputSourceId, SupportedInputInfo.Position))
{
Debug.Log("The provided input source does not support the required positional info.");
return;
}
currentInputSource = inputSource;
currentInputSourceId = inputSourceId;
// Add self as a modal input handler, to get all inputs during the manipulation.
InputManager.Instance.PushModalInputHandler(gameObject);
currentInputSource.TryGetPosition(currentInputSourceId, out prevHandPosition);
grabPoint = prevHandPosition;
scaleUpVector = Vector3.Normalize(grabPoint - TargetGameObject.transform.position);
isScaling = true;
StartedScaling.RaiseEvent();
}
// Update is called once per frame
// FixedUpdate is called in a regular timeline, same time between each call, to use for physics
void FixedUpdate()
{
// bit shift the index of the layer to get a bit mask
int layerMask = 1 << 8; // the layer 8 is the kern layer
RaycastHit gazeHitResult = GazeManager.Instance.HitInfo;
if (!isInputUp)
{
Debug.DrawLine(drawOriginPosition, drawOriginPosition + (replacedHandPosition - drawOriginPosition) * 2);
//get current inputsource Position information if we can
if (currentInputSource.SupportsInputInfo(currentInputSourceId, SupportedInputInfo.Position))
{
currentInputSource.TryGetPosition(currentInputSourceId, out handPosition);
//Debug.Log("Hand Position " + handPosition);
//replacing hand close to the user gaze direction to avoid occlusion issues
replacedHandPosition = handPosition + replacingHand;
//Raycast(originPoint, DIRECTION, etc.)
if (Physics.Raycast(drawOriginPosition, replacedHandPosition - drawOriginPosition, out hit, Mathf.Infinity, layerMask))
{
//drawingCursor show current drawing position and orientation
Vector3 lookForward = -GazeManager.Instance.GazeNormal; //Get the forward vector looking back at camera
drawingCursor.transform.position = hit.point + (lookForward * 0.02f);
drawingCursor.transform.rotation = Quaternion.LookRotation(Vector3.Lerp(gazeHitResult.normal, lookForward, 0.5f), Vector3.up);
drawingCursor.transform.Rotate(new Vector3(90.0f, 0.0f, 0.0f));
if (currentPoints.Count == 1)//first time in the loop
{
drawingCursor.SetActive(true);
mainCursor.SetVisiblity(false);
}
//to avoid a point repetitions
if (currentPoints.Count != 0 && currentPoints[currentPoints.Count - 1] != hit.point)
{
currentPoints.Add(hit.point + hit.normal * 0.0015f);
}
//drawing the line
if (currentPoints.Count != 0)
{
//setting the points of the line one by one
//using this instead of setPositions because it's more logical to use list here
currentLine.positionCount = currentPoints.Count;
for (int i = 0; i < currentPoints.Count; i++)
{
currentLine.SetPosition(i, currentPoints[i]);
}
}
}
else //no collision found between drawOriginPosition, handPosition and 3Dmodel
{
drawingCursor.transform.position = replacedHandPosition + Vector3.Normalize(replacedHandPosition - drawOriginPosition) * 1.5f;
}
}
}
}
/// <summary>
/// Starts rotating the object with the given input source.
/// </summary>
public void StartRotating(IInputSource inputSource, uint inputSourceId)
{
if (IsRotating)
{
return;
}
if (inputSource == null || !inputSource.SupportsInputInfo(inputSourceId, SupportedInputInfo.Position))
{
Debug.Log("The input source must provide positional data for Rotatable to be usable.");
return;
}
currentInputSource = inputSource;
currentInputSourceId = inputSourceId;
currentInputSource.TryGetPosition(currentInputSourceId, out prevHandPosition);
// Add self as a modal input handler, to get all inputs during the manipulation.
InputManager.Instance.PushModalInputHandler(gameObject);
IsRotating = true;
StartedRotating.RaiseEvent();
}
private bool SupportsPointingRay(IInputSource inputSource, uint sourceId)
{
return(inputSource.SupportsInputInfo(sourceId, SupportedInputInfo.Pointing));
}
