void UpdateRelativeAcceleration(float currentFrameDistance)
{
var currentDistance = new DistanceHistory();
currentDistance.time = Time.time;
currentDistance.distance = currentFrameDistance;
histories.Push(currentDistance);
var beforeFrameTime = 0f;
var beforeFrameDistance = 0f;
var accelarations = new List <float>(referenceFrameLimit);
foreach (var history in histories)
{
if (beforeFrameTime != 0f)
{
var timeDistance = history.time - beforeFrameTime;
// 空間距離。+の値なら遠ざかっている
var spaceDistance = history.distance - beforeFrameDistance;
// フレームごとの加速度
var accelaration = spaceDistance / timeDistance;
accelarations.Add(accelaration);
}
beforeFrameTime = history.time;
beforeFrameDistance = history.distance;
}
this.beforeFrameAccelaration = this.currentFrameAccelaration;
if (accelarations.Count() >= 2)
{
this.currentFrameAccelaration = accelarations.Aggregate <float>((total, item) => total + item) / referenceFrameLimit;
}
float accelarationDiff = this.currentFrameAccelaration - this.beforeFrameAccelaration;
int currentPistonDirection = accelarationDiff < 0 ? -1 : 1;
// 加速度が別方向になった場合のみ
if (currentPistonDirection != this.beforePistonDirection)
{
this.directionChangeInterval = this.beforePistonDirectionChanged == 0 ? 0 : Time.time - this.beforePistonDirectionChanged;
this.beforePistonDirectionChanged = Time.time;
this.beforePistonDirection = currentPistonDirection;
}
}
public async Task PutAsync(Int32 id, DistanceHistory _distanceHistory)
{
var entity = _unitOfWork.GetRepoInstance <DistanceHistory>().GetById(id);
if (entity == null)
{
return;
}
entity.date = _distanceHistory.date;
entity.distance = _distanceHistory.distance;
entity.Event = _distanceHistory.Event;
entity.order = _distanceHistory.order;
_unitOfWork.GetRepoInstance <DistanceHistory>().Update(entity);
await _unitOfWork.saveAsync();
}
public void Delete(int distanceHistoryID)
{
DistanceHistory distanceHistory = _context.DistancesHistoryContext.Find(distanceHistoryID);
_context.DistancesHistoryContext.Remove(distanceHistory);
}
public void Update(DistanceHistory distanceHistory)
{
_context.Entry(distanceHistory).State = EntityState.Modified;
}
public void Insert(DistanceHistory distanceHistory)
{
_context.DistancesHistoryContext.Add(distanceHistory);
}
public async Task PostAsync(DistanceHistory _distanceHistory)
{
_unitOfWork.GetRepoInstance <DistanceHistory>().Insert(_distanceHistory);
await _unitOfWork.saveAsync();
}
