public override void WhenCannotMoveTo(Vector2 moveTo)
{
Vector2 camPos2D = Math_F.Vector3_2D(cacheTrans.position);
Vector2 tryPos = camPos2D + (moveTo - camPos2D).normalized * 0.5f;
#if UNITY_EDITOR
Vector3 tryPos3D = cacheTrans.position;
tryPos3D.x = tryPos.x;
tryPos3D.z = tryPos.y;
tryPoint.position = tryPos3D;
Vector3 moveToPos3D = cacheTrans.position;
moveToPos3D.x = moveTo.x;
moveToPos3D.z = moveTo.y;
moveToPoint.position = moveToPos3D;
#endif
Vector2 lineStart;
int idxStart;
Vector2 lineEnd;
int idxEnd;
Vector2 crossPos = Math_F.GetClosestCrossPoint(tryPos, cameraArea, out lineStart, out idxStart, out lineEnd, out idxEnd);
#if UNITY_EDITOR
LogWarp.LogErrorFormat("WhenCannotMoveTo moveToPoint={0}, crossPos={1}, lineStart={2}, idxStart={3}, lineEnd={4}, idxEnd={5}",
moveToPos3D, crossPos, lineStart, idxStart, lineEnd, idxEnd);
#endif
bool isCrossInLine = false;
Vector2 crossDir = Vector2.zero;
for (int i = 0; i < cameraArea.Count; i++)
{
if (Math_F.Approximate2D(crossPos, cameraArea[i], 0.5f))
{
LogWarp.LogErrorFormat("WhenCannotMoveTo crossPos == {0}", i);
isCrossInLine = true;
crossDir = (cameraArea[(i + 1) % cameraArea.Count] - cameraArea[i]).normalized;
break;
}
}
//Debug.LogError("GetClosestCrossPoint");
//if (Math_F.IsPointInPolygon(crossPos, cameraArea))
{
//Debug.LogError("IsPointInPolygon");
Vector3 camPos3D = cacheTrans.position;
camPos3D.x = crossPos.x;
camPos3D.z = crossPos.y;
#if UNITY_EDITOR
crossPoint.position = camPos3D;
#endif
switch (dragType)
{
case DragType.Normal:
cacheTrans.position = camPos3D;
break;
case DragType.NormalPlus:
if (!isCrossInLine)
{
dragSmoothDir = (lineEnd - lineStart).normalized * crossSensitivity;
float dot = Vector2.Dot((moveTo - camPos2D).normalized, (lineEnd - lineStart).normalized);
if (dot < 0)
{
dragSmoothDir *= -1f;
}
}
else
{
dragSmoothDir = crossDir * crossSensitivity;
}
break;
default:
string e = string.Format("不支持滑动类型{0}", dragType);
throw new System.Exception(e);
}
}
}