/// Adds copies of all specified components to the target entity.
/// If replaceExisting is true it will replace exisintg components.
public static void CopyTo(this Entity entity,
Entity target,
bool replaceExisting = false,
params int[] indices)
{
var componentIndices = indices.Length == 0
? entity.GetComponentIndices()
: indices;
for (int i = 0; i < componentIndices.Length; i++)
{
var index = componentIndices[i];
var component = entity.GetComponent(index);
var clonedComponent = target.CreateComponent(
index, component.GetType()
);
component.CopyPublicMemberValues(clonedComponent);
if (replaceExisting)
{
target.ReplaceComponent(index, clonedComponent);
}
else
{
target.AddComponent(index, clonedComponent);
}
}
}