public IPromise waitUtil(Func <TimeData, bool> predicate)
{
Promise promise = new Promise();
PredicateWait item = new PredicateWait {
timeStarted = this.curTime,
pendingPromise = promise,
timeData = new TimeData(),
predicate = predicate
};
this.waitingList.Add(item);
return(promise);
}
public void localUpdate(float deltaTime)
{
this.curTime += deltaTime;
int index = 0;
while (index < this.waitingList.Count)
{
bool flag;
PredicateWait wait = this.waitingList[index];
// 当前wait从创建开始到现在的时间(存在时间)
float alreadyWaitTime = this.curTime - wait.timeStarted;
// 帧时间
wait.timeData.deltaTime = alreadyWaitTime - wait.timeData.elapsedTime;
// 已用时间
wait.timeData.elapsedTime = alreadyWaitTime;
try {
// 达成条件
flag = wait.predicate(wait.timeData);
} catch (Exception exception) {
wait.pendingPromise.reject(exception);
this.waitingList.RemoveAt(index);
continue;
}
if (flag)
{
wait.pendingPromise.resolve();
this.waitingList.RemoveAt(index);
}
else
{
index++;
}
}
}
