private static Tuple <ObjectAction, EnemyObjectTemplate> SpawnOneDestructionSpriteImage(
long startMilliseconds,
long endMilliseconds,
string childObjectTemplateName,
string spriteName,
bool isLast)
{
List <ObjectAction> destroyActions = new List <ObjectAction>();
destroyActions.Add(ObjectAction.Destroy());
destroyActions.Add(ObjectAction.DestroyParent());
ObjectAction destroySelfAction = ObjectAction.Condition(
condition: BooleanExpression.GreaterThanOrEqualTo(
leftSide: MathExpression.ParentVariable(elapsedTimeInMillisVariableName),
rightSide: MathExpression.Constant(endMilliseconds)),
action: isLast ? ObjectAction.Union(destroyActions) : ObjectAction.Destroy());
ObjectAction spawnChildAction = ObjectAction.SpawnChild(
childXMillis: MathExpression.XMillis(),
childYMillis: MathExpression.YMillis(),
childObjectTemplateName: childObjectTemplateName,
childInitialNumericVariables: null,
childInitialBooleanVariables: null);
ObjectAction delayedSpawnChildAction =
ObjectAction.Condition(
condition: BooleanExpression.GreaterThanOrEqualTo(
leftSide: MathExpression.Variable(elapsedTimeInMillisVariableName),
rightSide: MathExpression.Constant(startMilliseconds)),
action: ObjectActionGenerator.DoOnce(spawnChildAction));
EnemyObjectTemplate template = EnemyObjectTemplate.Enemy(
action: destroySelfAction,
initialMilliHP: null,
damageBoxes: null,
collisionBoxes: null,
spriteName: spriteName);
return(new Tuple <ObjectAction, EnemyObjectTemplate>(delayedSpawnChildAction, template));
}