public void MoveLeftToRight()
{
if (this.state == PlayBackgroundState.LEFT)
{
this.state = PlayBackgroundState.MOVE_LEFT_TO_RIGHT;
float delta = rightPosition - this.Frame.Position.X;
this.moveVelocity = delta / this.moveDuration;
this.moveTime = this.moveDuration;
}
}
public void StayAtRight()
{
if (this.state == PlayBackgroundState.MOVE_LEFT_TO_RIGHT)
{
this.state = PlayBackgroundState.RIGHT;
this.delayTime = this.delayDuration;
this.Frame.X = rightPosition;
}
}
public void StayAtCenter()
{
// call event
if (this.OnAnimatingCompleted != null)
{
this.OnAnimatingCompleted(this);
}
this.state = PlayBackgroundState.NONE;
}
public void StayAtLeft()
{
if (this.state == PlayBackgroundState.NONE)
{
this.state = PlayBackgroundState.LEFT;
this.delayTime = this.delayDuration;
this.Frame.X = leftPosition;
}
}
public void MoveRightToCenter()
{
if (this.state == PlayBackgroundState.RIGHT)
{
this.state = PlayBackgroundState.MOVE_RIGHT_TO_CENTER;
float delta = centerPosition - this.Frame.Position.X;
this.moveVelocity = delta / this.moveDuration;
this.moveTime = this.moveDuration;
}
}
