private void SetCameraPos(DragCameraCom dragCameraCom, Vector2 pos)
{
Vector3 dragPos = dragCameraCom.DragTarget.transform.position;
Vector2 resPos = ClampAreaPos(dragCameraCom.SpringArea, new Vector2(pos.x, pos.y));
dragCameraCom.DragTarget.transform.position = new Vector3(resPos.x, resPos.y, dragPos.z);
}
private void SpringBackMove(DragCameraCom dragCameraCom)
{
if (!dragCameraCom.IsSpringMove)
{
return;
}
Vector3 dragPos = GetDragPos(dragCameraCom);
if (!dragCameraCom.DragArea.ContainPoint(dragPos))
{
dragCameraCom.IsSpringMove = true;
Vector2 newPos = ClampAreaPos(dragCameraCom.DragArea, dragPos);
Vector2 centerPos = dragCameraCom.DragArea.GetCenter();
newPos = Vector3.MoveTowards(newPos, centerPos, 0.01f);
Vector3 tmpVector = Vector3.zero;
Vector3 resPos = Vector3.SmoothDamp(dragPos, newPos, ref tmpVector, dragCameraCom.SpringSmoothTime);
SetCameraPos(dragCameraCom, resPos);
}
else
{
dragCameraCom.IsSpringMove = false;
dragCameraCom.IsSpringDamping = false;
}
}
//计算虚拟相机区域
private void CalcCMArea(DragCameraCom dragCameraCom, MapArea mapArea)
{
PolygonCollider2D collider2D = mapArea.GetCameraCollider();
Vector2[] points = collider2D.GetPoints();
Vector2 areaMin = points[0];
Vector2 areaMax = points[0];
for (int i = 1; i < points.Length; i++)
{
Vector2 tPoint = points[i];
if (tPoint.x <= areaMin.x)
{
areaMin.x = tPoint.x;
}
if (tPoint.x >= areaMax.x)
{
areaMax.x = tPoint.x;
}
if (tPoint.y <= areaMin.y)
{
areaMin.y = tPoint.y;
}
if (tPoint.y >= areaMax.y)
{
areaMax.y = tPoint.y;
}
}
dragCameraCom.CMArea.AABBMin = areaMin;
dragCameraCom.CMArea.AABBMax = areaMax;
}
//更新区域
private void UpdateAreas(DragCameraCom dragCameraCom)
{
CinemachineVirtualCamera cam = dragCameraCom.CMCamera;
Vector2 offset = new Vector2(cam.m_Lens.OrthographicSize * cam.m_Lens.Aspect, cam.m_Lens.OrthographicSize);
dragCameraCom.SpringArea = ZoomArea(dragCameraCom.SpringArea, offset);
dragCameraCom.DragArea = ZoomArea(dragCameraCom.SpringArea, new Vector2(dragCameraCom.SpringOffset, dragCameraCom.SpringOffset));
}
private void OnEndDrag(DragCameraCom dragCameraCom, PointerEventData eventData)
{
Vector2 delta = eventData.delta;
dragCameraCom.InertiaSpeed = delta.magnitude * dragCameraCom.InertiaRate;
dragCameraCom.InertiaDir = delta.normalized;
dragCameraCom.InertiaDamp = dragCameraCom.InertiaSpeed / dragCameraCom.InertiaDampDuration;
dragCameraCom.IsInertiaMove = true;
}
private void OnBeginDrag(DragCameraCom dragCameraCom, PointerEventData eventData)
{
ActorObj followActor = globalSensor.FollowActor.Value;
if (followActor == null)
{
return;
}
Vector3 followPos = followActor.GetFollowGo().transform.position;
SetCameraPos(dragCameraCom, new Vector2(followPos.x, followPos.y));
}
private void OnDrag(DragCameraCom dragCameraCom, PointerEventData eventData)
{
Camera mainCamera = Camera.main;
Vector2 delta = eventData.delta;
Vector3 worldDelta = mainCamera.ScreenToWorldPoint(delta) - mainCamera.ScreenToWorldPoint(Vector2.zero);
Vector3 dragPos = GetDragPos(dragCameraCom);
Vector3 nextPos = dragPos + worldDelta * dragCameraCom.DragSpeed;
if (!dragCameraCom.DragArea.ContainPoint(nextPos))
{
nextPos = GetDampingPos(dragCameraCom, nextPos, worldDelta);
}
SetCameraPos(dragCameraCom, nextPos);
}
protected override void HandleComs(List <BaseCom> comList)
{
if (!_InitEvent)
{
dragCameraCom = GetCom <DragCameraCom>(comList[0]);
followCameraCom = GetCom <FollowCameraCom>(comList[1]);
HandleCurrAreaChange(globalSensor.CurrArea.Value);
HandleFollowActorChange(globalSensor.FollowActor.Value);
_InitEvent = true;
}
if (globalSensor.FollowActor.Value == null)
{
return;
}
UpdateMove(dragCameraCom);
HandleEvent(dragCameraCom);
}
private Vector3 GetDampingPos(DragCameraCom dragCameraCom, Vector3 pos, Vector3 delta)
{
dragCameraCom.IsSpringDamping = true;
float width = dragCameraCom.DragArea.AABBMax.x - dragCameraCom.DragArea.AABBMin.x;
float height = dragCameraCom.DragArea.AABBMax.y - dragCameraCom.DragArea.AABBMin.y;
float GetRubberDelta(float pOverStretching, float pViewSize)
{
return((1 - (1 / ((MathF.Abs(pOverStretching) * dragCameraCom.SpringIntensity / pViewSize) + 1)))
* pViewSize * Mathf.Sign(pOverStretching));
}
float newX = pos.x - GetRubberDelta(delta.x, width);
float newY = pos.y - GetRubberDelta(delta.y, height);
return(new Vector3(newX, newY));
}
private void HandleEvent(DragCameraCom dragCameraCom)
{
if (dragCameraCom.EventInfo == null)
{
return;
}
switch (dragCameraCom.EventInfo.EventType)
{
case LCToolkit.UnityEventType.Up:
if (dragCameraCom.IsSpringDamping)
{
dragCameraCom.IsSpringMove = true;
}
break;
case LCToolkit.UnityEventType.Down:
dragCameraCom.IsInertiaMove = false;
break;
case LCToolkit.UnityEventType.Click:
break;
case LCToolkit.UnityEventType.LongClick:
break;
case LCToolkit.UnityEventType.BeginDrag:
OnBeginDrag(dragCameraCom, dragCameraCom.EventInfo.EventData);
break;
case LCToolkit.UnityEventType.Drag:
OnDrag(dragCameraCom, dragCameraCom.EventInfo.EventData);
break;
case LCToolkit.UnityEventType.EndDrag:
OnEndDrag(dragCameraCom, dragCameraCom.EventInfo.EventData);
break;
default:
break;
}
dragCameraCom.EventInfo = null;
}
private void InertiaMove(DragCameraCom dragCameraCom)
{
if (dragCameraCom.IsSpringMove && !dragCameraCom.IsInertiaMove)
{
return;
}
if (dragCameraCom.InertiaSpeed <= 0)
{
return;
}
Vector3 currPos = GetDragPos(dragCameraCom);
Vector3 nextPos = currPos - (dragCameraCom.InertiaSpeed * dragCameraCom.InertiaDir * Time.deltaTime);
if (dragCameraCom.DragArea.ContainPoint(nextPos))
{
SetCameraPos(dragCameraCom, nextPos);
dragCameraCom.InertiaSpeed = dragCameraCom.InertiaSpeed - dragCameraCom.InertiaDamp * Time.deltaTime;
}
else
{
dragCameraCom.IsInertiaMove = false;
}
}
private void UpdateMove(DragCameraCom dragCameraCom)
{
SpringBackMove(dragCameraCom);
InertiaMove(dragCameraCom);
}
private Vector3 GetDragPos(DragCameraCom dragCameraCom)
{
return(dragCameraCom.DragTarget.transform.position);
}