void Update()
{
if (Input.touchCount == 0)
{
if (currentTouchOperation == TouchOperation.SELECT)
{
voxelArray.TouchUp();
}
if (currentTouchOperation == TouchOperation.MOVE)
{
movingAxis.TouchUp();
}
currentTouchOperation = TouchOperation.NONE;
}
else if (Input.touchCount == 1)
{
Touch touch = Input.GetTouch(0);
RaycastHit hit;
if (currentTouchOperation != TouchOperation.SELECT)
{
selectingXRay = true;
}
bool rayHitSomething = Physics.Raycast(cam.ScreenPointToRay(Input.GetTouch(0).position),
out hit, Mathf.Infinity, selectingXRay ? Physics.DefaultRaycastLayers : NO_XRAY_MASK);
Voxel hitVoxel = null;
int hitFaceI = -1;
TransformAxis hitTransformAxis = null;
ObjectMarker hitMarker = null;
if (rayHitSomething)
{
GameObject hitObject = hit.transform.gameObject;
if (hitObject.tag == "Voxel")
{
hitVoxel = hitObject.GetComponent <Voxel>();
hitFaceI = Voxel.FaceIForDirection(hit.normal);
if (hitFaceI == -1)
{
hitVoxel = null;
}
}
else if (hitObject.tag == "ObjectMarker")
{
hitMarker = hitObject.GetComponent <ObjectMarker>();
}
else if (hitObject.tag == "MoveAxis")
{
hitTransformAxis = hitObject.GetComponent <TransformAxis>();
}
if ((hitVoxel != null && hitVoxel.substance != null && hitVoxel.substance.xRay) ||
(hitMarker != null && (hitMarker.gameObject.layer == 8 || hitMarker.gameObject.layer == 10))) // xray or SelectedObject layer
{
// allow moving axes through xray substances
RaycastHit newHit;
if (Physics.Raycast(cam.ScreenPointToRay(Input.GetTouch(0).position),
out newHit, Mathf.Infinity, NO_TRANSPARENT_MASK))
{
if (newHit.transform.tag == "MoveAxis")
{
hitVoxel = null;
hitFaceI = -1;
hitMarker = null;
hitTransformAxis = newHit.transform.GetComponent <TransformAxis>();
}
}
}
}
if (hitVoxel != null)
{
lastHitVoxel = hitVoxel;
lastHitFaceI = hitFaceI;
}
else if (hitMarker != null)
{
lastHitVoxel = null;
lastHitFaceI = -1;
}
if (touch.phase == TouchPhase.Began)
{
if (currentTouchOperation == TouchOperation.SELECT)
{
voxelArray.TouchUp();
}
// this seems to improve the reliability of double-taps when things are running slowly.
// I think it's because there's not always a long enough gap between taps
// for the touch operation to be cleared.
currentTouchOperation = TouchOperation.NONE;
}
if (currentTouchOperation == TouchOperation.NONE)
{
if (GUIPanel.PanelContainingPoint(touch.position) != null)
{
currentTouchOperation = TouchOperation.GUI;
}
else if (touch.phase != TouchPhase.Moved && touch.phase != TouchPhase.Ended && touch.tapCount == 1)
{
} // wait until moved or released, in case a multitouch operation is about to begin
else if (!rayHitSomething)
{
voxelArray.TouchDown(null);
}
else if (hitVoxel != null)
{
if (touch.tapCount == 1)
{
currentTouchOperation = TouchOperation.SELECT;
voxelArray.TouchDown(hitVoxel, hitFaceI);
selectingXRay = hitVoxel.substance != null && hitVoxel.substance.xRay;
}
else if (touch.tapCount == 2)
{
voxelArray.DoubleTouch(hitVoxel, hitFaceI);
}
else if (touch.tapCount == 3)
{
voxelArray.TripleTouch(hitVoxel, hitFaceI);
}
UpdateZoomDepth();
}
else if (hitMarker != null)
{
currentTouchOperation = TouchOperation.SELECT;
voxelArray.TouchDown(hitMarker);
selectingXRay = hitMarker.objectEntity.xRay;
UpdateZoomDepth();
}
else if (hitTransformAxis != null)
{
if (touch.tapCount == 1)
{
currentTouchOperation = TouchOperation.MOVE;
movingAxis = hitTransformAxis;
movingAxis.TouchDown(touch);
}
else if (touch.tapCount == 2 && lastHitVoxel != null)
{
voxelArray.DoubleTouch(lastHitVoxel, lastHitFaceI);
}
else if (touch.tapCount == 3 && lastHitVoxel != null)
{
voxelArray.TripleTouch(lastHitVoxel, lastHitFaceI);
}
UpdateZoomDepth();
}
} // end if currentTouchOperation == NONE
else if (currentTouchOperation == TouchOperation.SELECT)
{
if (hitVoxel != null)
{
voxelArray.TouchDrag(hitVoxel, hitFaceI);
}
if (hitMarker != null)
{
voxelArray.TouchDrag(hitMarker);
}
}
else if (currentTouchOperation == TouchOperation.MOVE)
{
movingAxis.TouchDrag(touch);
}
} // end if touch count is 1
else if (Input.touchCount == 2)
{
if (currentTouchOperation == TouchOperation.NONE)
{
currentTouchOperation = TouchOperation.CAMERA;
UpdateZoomDepth();
}
if (currentTouchOperation != TouchOperation.CAMERA)
{
return;
}
Touch touchZero = Input.GetTouch(0);
Touch touchOne = Input.GetTouch(1);
Vector2 touchZeroPrevPos = touchZero.position - touchZero.deltaPosition;
Vector2 touchOnePrevPos = touchOne.position - touchOne.deltaPosition;
float prevTouchDeltaMag = (touchZeroPrevPos - touchOnePrevPos).magnitude;
float touchDeltaMag = (touchZero.position - touchOne.position).magnitude;
float deltaMagnitudeDiff = prevTouchDeltaMag - touchDeltaMag;
float scaleFactor = Mathf.Pow(1.005f, deltaMagnitudeDiff / cam.pixelHeight * 700f);
if (scaleFactor != 1)
{
pivot.localScale *= scaleFactor;
if (pivot.localScale.x > MAX_ZOOM)
{
pivot.localScale = new Vector3(MAX_ZOOM, MAX_ZOOM, MAX_ZOOM);
}
if (pivot.localScale.x < MIN_ZOOM)
{
pivot.localScale = new Vector3(MIN_ZOOM, MIN_ZOOM, MIN_ZOOM);
}
}
Vector3 move = (touchZero.deltaPosition + touchOne.deltaPosition) / 2;
move *= 300f;
move /= cam.pixelHeight;
Vector3 pivotRotationEuler = pivot.rotation.eulerAngles;
pivotRotationEuler.y += move.x;
pivotRotationEuler.x -= move.y;
if (pivotRotationEuler.x > 90 && pivotRotationEuler.x < 180)
{
pivotRotationEuler.x = 90;
}
if (pivotRotationEuler.x < -90 || (pivotRotationEuler.x > 180 && pivotRotationEuler.x < 270))
{
pivotRotationEuler.x = -90;
}
pivot.rotation = Quaternion.Euler(pivotRotationEuler);
}
else if (Input.touchCount == 3)
{
if (currentTouchOperation == TouchOperation.NONE)
{
currentTouchOperation = TouchOperation.CAMERA;
UpdateZoomDepth();
}
if (currentTouchOperation != TouchOperation.CAMERA)
{
return;
}
Vector2 move = new Vector2(0, 0);
for (int i = 0; i < 3; i++)
{
move += Input.GetTouch(i).deltaPosition;
}
move *= 4.0f;
move /= cam.pixelHeight;
pivot.position -= move.x * pivot.right * pivot.localScale.z;
pivot.position -= move.y * pivot.up * pivot.localScale.z;
}
}
