public void OnGlobalPostUpdate()
{
BallSpawningData spawningData = GlobalEntity.Current <BallSpawningData>();
// can we spawn?
if (spawningData.Remaining <= 0)
{
// create a new ball
IEntity spawned = spawningData.Ball.Instantiate();
// it isn't necessary to set the position of the spawned object to zero, but it
// demos how to initialize a newly created entity
PositionData spawnedPosition = spawned.AddOrModify <PositionData>();
spawnedPosition.Position = new Bound(0, 0, spawnedPosition.Position.Radius);
// reset the ticks until the next spawn
GlobalEntity.Modify <BallSpawningData>().Remaining =
GameRandom.Range(spawningData.MinTicks, spawningData.MaxTicks);
}
// can't spawn yet; decrement the number of ticks until we can spawn again
else
{
GlobalEntity.Modify <BallSpawningData>().Remaining--;
}
}
protected override void OnInitialize()
{
PositionData data = _entity.Current <PositionData>();
float radius = data.Position.Radius.AsFloat * 2;
transform.localScale = new Vector3(radius, radius, radius);
}
/// <summary>
/// Moves an object to its next position according to its current velocity.
/// </summary>
private static void IntegratePosition(IEntity entity)
{
PositionData pos = entity.Current <PositionData>();
MovementData mov = entity.Current <MovementData>();
entity.Modify <PositionData>().Position = new Bound(
pos.Position.X + mov.Velocity.X,
pos.Position.Z + mov.Velocity.Z,
pos.Position.Radius
);
}
/// <summary>
/// Changes an objects velocity if it has left the map.
/// </summary>
private static void RespondToMapBounds(MapBoundsData mapBounds, IEntity entity)
{
PositionData pos = entity.Current <PositionData>();
MovementData mov = entity.Current <MovementData>();
if (((pos.Position.Z - pos.Position.Radius) < -mapBounds.Height && mov.Velocity.Z < 0) ||
((pos.Position.Z + pos.Position.Radius) > mapBounds.Height && mov.Velocity.Z > 0))
{
entity.Modify <MovementData>().MultVelocity(1, -1);
}
if (((pos.Position.X - pos.Position.Radius) < -mapBounds.Width && mov.Velocity.X < 0) ||
((pos.Position.X + pos.Position.Radius) > mapBounds.Width && mov.Velocity.X > 0))
{
entity.Modify <MovementData>().MultVelocity(-1, 1);
}
}