void Update()
{
if (_disableDrag)
{
return;
}
if (_bPressed)
{
Vector3 mousePose = Input.mousePosition;//cam.ScreenToWorldPoint(Input.mousePosition);//hitt.transform.position; //
float offsetX = mousePose.x - _pressedMousePos.x;
float offsetY = mousePose.y - _pressedMousePos.y;
if (Mathf.Abs(offsetX) >= 10f || Mathf.Abs(offsetY) >= 10f)
{
if (_bDragDirReverse)
{
_curCameraPos.x = _pressedCameraPos.x + offsetX * _dragSpeedVec.x / 2000f;
_curCameraPos.y = _pressedCameraPos.y + offsetY * _dragSpeedVec.y / 2000f;
_curCameraPos.z = _pressedCameraPos.z + offsetY * _dragSpeedVec.z / 2000f;
}
else
{
_curCameraPos.x = _pressedCameraPos.x - offsetX * _dragSpeedVec.x / 2000f;
_curCameraPos.y = _pressedCameraPos.y - offsetX * _dragSpeedVec.y / 2000f;
_curCameraPos.z = _pressedCameraPos.z - offsetY * _dragSpeedVec.z / 2000f;
}
_curCameraPos = ClampPoint(_curCameraPos, _minPoint, _maxPoint);
transform.position = _curCameraPos;
// _movePath.UpdateRotation();
if (_onDragEvent != null)
{
_onDragEvent(_curCameraPos);
}
if (_lastFrameMousePos != Vector3.zero)
{
_deltaDrag.x = _lastFrameMousePos.x - mousePose.x;
_deltaDrag.y = _lastFrameMousePos.y - mousePose.y;
Vector2 offset = Vector2.Scale(_deltaDrag, -_scale);
// Adjust the momentum
if (_bDragDirReverse)
{
_mMomentum = Vector2.Lerp(_mMomentum, _mMomentum + offset * (0.01f * momentumAmount), 0.67f);
}
else
{
_mMomentum = Vector2.Lerp(_mMomentum, _mMomentum - offset * (0.01f * momentumAmount), 0.67f);
}
// Utils.LogSys.Log("mMomentum" + _mMomentum.ToString() + ", " + offset.ToString());
}
_lastFrameMousePos = mousePose;
_bDrag = true;
}
NGUIMath.SpringDampen(ref _mMomentum, 9f, RealTime.deltaTime);
}
else
{
if (_dragType == EDragType.MOMENTUM)
{
//惯性运动
if (_mMomentum.magnitude > 0.01f)
{
// Apply the momentum
Vector3 offsetPos = (Vector3)NGUIMath.SpringDampen(ref _mMomentum, 10f, RealTime.deltaTime);
_curCameraPos.x += offsetPos.x * _dragSpeedVec.x / 2000f;
_curCameraPos.z += offsetPos.y * _dragSpeedVec.z / 2000f;
_curCameraPos.y += offsetPos.y * _dragSpeedVec.y / 2000f;
_curCameraPos = ClampPoint(_curCameraPos, _minPoint, _maxPoint);
transform.position = _curCameraPos;
// _movePath.UpdateRotation();
if (_onDragEvent != null)
{
_onDragEvent(_curCameraPos);
}
}
else
{
NGUIMath.SpringDampen(ref _mMomentum, 9f, RealTime.deltaTime);
}
}
}
if (Input.GetMouseButtonDown(0)) //点下去
{
if (UtilTools.ClickInValidArea()) //点的是有效区
{
if (!HasUICoverSelf() || !UtilTools.ClickUI()) //忽略UI || 没点到UI
{
if (_dragType != EDragType.NONE)
{
//还在滑动
if (_mMomentum.magnitude > 1f)
{
_bDrag = true;
}
else
{
_bDrag = false;
}
}
else
{
_bDrag = false;
}
_curCameraPos = transform.position;
_bPressed = true;
_pressedMousePos = Input.mousePosition;
_pressedCameraPos = _curCameraPos;
_mMomentum = Vector2.zero;
_deltaDrag = Vector2.zero;
_lastFrameMousePos = Vector3.zero;
}
}
}
else if (Input.GetMouseButtonUp(0))//弹起
{
_bPressed = false;
}
}
void Update()
{
if (_disableDrag)
{
return;
}
if (_movePath == null)
{
return;
}
if (_bPressed)
{
Vector3 mousePose = Input.mousePosition;//cam.ScreenToWorldPoint(Input.mousePosition);//hitt.transform.position; //
float offsetX = mousePose.x - _pressedMousePos.x;
if (Mathf.Abs(offsetX) >= 10f)
{
if (_bDragDirReverse)
{
_curCameraPos = _pressedCameraPos + offsetX / 2000f;
}
else
{
_curCameraPos = _pressedCameraPos - offsetX / 2000f;
}
_curCameraPos = Mathf.Clamp(_curCameraPos, 0f, 1f);
transform.position = _movePath.GetPointAtTime(_curCameraPos);
_movePath.UpdateRotation();
if (_onDragEvent != null)
{
_onDragEvent(_curCameraPos);
}
if (_lastFrameMousePos != Vector3.zero)
{
_deltaDrag.x = _lastFrameMousePos.x - mousePose.x;
_deltaDrag.y = _lastFrameMousePos.y - mousePose.y;
Vector2 offset = Vector2.Scale(_deltaDrag, -_scale);
// Adjust the momentum
if (_bDragDirReverse)
{
_mMomentum = Vector2.Lerp(_mMomentum, _mMomentum + offset * (0.01f * momentumAmount), 0.67f);
}
else
{
_mMomentum = Vector2.Lerp(_mMomentum, _mMomentum - offset * (0.01f * momentumAmount), 0.67f);
}
// Utils.LogSys.Log("mMomentum" + _mMomentum.ToString() + ", " + offset.ToString());
}
_lastFrameMousePos = mousePose;
_bDrag = true;
}
NGUIMath.SpringDampen(ref _mMomentum, 9f, RealTime.deltaTime);
}
else
{
if (_dragType == EDragType.MOMENTUM)
{
//惯性运动
if (_mMomentum.magnitude > 0.01f)
{
// Apply the momentum
Vector3 offsetPos = (Vector3)NGUIMath.SpringDampen(ref _mMomentum, 10f, RealTime.deltaTime);
_curCameraPos += offsetPos.x / 2000f;
_curCameraPos = Mathf.Clamp(_curCameraPos, 0f, 1f);
transform.position = _movePath.GetPointAtTime(_curCameraPos);
_movePath.UpdateRotation();
if (_onDragEvent != null)
{
_onDragEvent(_curCameraPos);
}
}
else
{
NGUIMath.SpringDampen(ref _mMomentum, 9f, RealTime.deltaTime);
}
}
else if (_dragType == EDragType.PAGEVIEW)
{
//滑到指定点
if (_pageViewTargetPoint != -1f)
{
bool bStop = false;
if (_mMomentum.magnitude > 0.01f)//正在滑动
{
float distance = _pageViewTargetPoint - _curCameraPos;
if (Mathf.Abs(distance) > 0.01f)
{
float dir = _bDragDirReverse?-1f:1f;
if (Mathf.Abs(distance) < _pageViewBeginSlowDistance)
{
Vector3 offsetPos = (Vector3)NGUIMath.SpringDampen(ref _mMomentum, 10f, RealTime.deltaTime);
_curCameraPos -= dir * offsetPos.x / 2000f;
}
else
{
_curCameraPos -= dir * _mMomentum.x / 2000f;
}
_curCameraPos = Mathf.Clamp(_curCameraPos, 0f, 1f);
float newDistance = _pageViewTargetPoint - _curCameraPos;
if (newDistance * distance > 0f)//还没到目标
{
transform.position = _movePath.GetPointAtTime(_curCameraPos);
_movePath.UpdateRotation();
}
else//超过目标点了
{
bStop = true;
}
}
else//已接近目标
{
bStop = true;
}
}
else//停止滑动
{
bStop = true;
}
if (bStop)
{
_curCameraPos = _pageViewTargetPoint;
transform.position = _movePath.GetPointAtTime(_curCameraPos);
_movePath.UpdateRotation();
if (_onDragEvent != null)
{
_onDragEvent(_curCameraPos);
}
_mMomentum = Vector2.zero;
_pageViewTargetPoint = -1f;
}
}
}
}
if (Input.GetMouseButtonDown(0)) //点下去
{
if (!UtilTools.ClickUI() && UtilTools.ClickInValidArea()) //没点到UI && 点的是有效区
{
if (_dragType != EDragType.NONE)
{
//还在滑动
if (_mMomentum.magnitude > 1f)
{
_bDrag = true;
}
else
{
_bDrag = false;
}
}
else
{
_bDrag = false;
}
_bPressed = true;
_pressedMousePos = Input.mousePosition;
_pressedCameraPos = _curCameraPos;
_mMomentum = Vector2.zero;
_deltaDrag = Vector2.zero;
_lastFrameMousePos = Vector3.zero;
}
}
else if (Input.GetMouseButtonUp(0))//弹起
{
_bPressed = false;
if (_dragType == EDragType.PAGEVIEW)
{
if (_pageViewPoints.Count == 0)
{
_pageViewTargetPoint = -1;
}
else
{
int dir = 1;
Vector3 offsetPos = (Vector3)NGUIMath.SpringDampen(ref _mMomentum, 10f, RealTime.deltaTime);
if (Mathf.Abs(offsetPos.x) > 1f) //拖动时，翻到拖动方向的那一页
{
int offPage = -1;//-1表示前一页，1表示后一页
if (_mMomentum.x > 0f)
{
offPage = 1;
}
_pageViewTargetPoint = GetTargetPage(_curCameraPos, offPage, ref dir);
}
else//原地弹起时，靠近哪页就滚动到哪一页
{
_pageViewTargetPoint = GetTargetPage(_curCameraPos, 0, ref dir);
}
if (_pageViewTargetPoint == -1f || Mathf.Abs(_curCameraPos - _pageViewTargetPoint) <= 0.01f)
{
_mMomentum = Vector2.zero;
}
else
{
_mMomentum = new Vector2(dir * _pageMomentum, 0f);
}
}
}
//Utils.LogSys.Log("camera path value " + _curCameraPos);
}
}
