void update()
{
attackPowerBoost = false;
speedBoost = false;
if( attackPowerTime > 0.0f ){
attackPowerBoost = true;
attackPowerTime = Mathf.Max( attackPowerTime - Time.deltaTime, 0.0f );
}
if( speedTime > 0.0f ){
speedBoost = true;
speedTime = Mathf.Max( speedTime - Time.deltaTime, 0.0f );
}
}