/// <summary>
/// Query the timeline and provide it a timestep to increment by. Any actions which
/// have a time between the current and new time will be performed.
/// </summary>
/// <param name="timeStep"></param>
public void QueryTimeline(float timeStep)
{
// Ensure the simulation is playing but not paused
if (playing && !paused)
{
float start = currentTime;
float end = start + timeStep;
currentTime = end;
// Find actions to execute
for (int i = 0; i < actions.Count; i++)
{
ITimelineAction action = actions[i];
// Does the action fall within the executed period of time?
float time = action.GetTimeOfAction();
if (time >= start && time <= end)
{
action.Execute();
}
}
// Check for finish
CheckFinishState();
}
}
/// <summary>
/// Add an action to the timeline.
/// </summary>
/// <param name="action"></param>
/// <returns></returns>
public bool AddAction(ITimelineAction action)
{
int id = action.GetActionID();
foreach (ITimelineAction a in actions)
{
if (a.GetActionID() == id)
{
return(false);
}
}
actions.Add(action);
return(true);
}
/// <summary>
/// Remove an action from the timeline.
/// </summary>
/// <param name="action"></param>
/// <returns></returns>
public bool RemoveAction(ITimelineAction action)
{
return(actions.Remove(action));
}
