public void AddChildWithMatrix(Sandbox.ModAPI.IMyEntity child, ref Matrix childLocalMatrix, bool insertIntoSceneIfNeeded = true)
{
child.Hierarchy.Parent = this;
Children.Add(child.Hierarchy);
child.WorldMatrix = (MatrixD)childLocalMatrix * Entity.PositionComp.WorldMatrix;
if (Entity.InScene && !child.InScene && insertIntoSceneIfNeeded)
child.OnAddedToScene(this);
}
/// <summary>
/// Adds the child.
/// </summary>
/// <param name="child">The child.</param>
/// <param name="preserveWorldPos">if set to <c>true</c> [preserve absolute position].</param>
public void AddChild(Sandbox.ModAPI.IMyEntity child, bool preserveWorldPos = false, bool insertIntoSceneIfNeeded = true)
{
//MyEntities.Remove(child); // if it's already in the world, remove it
child.Hierarchy.Parent = this;
if (preserveWorldPos)
{
var tmpWorldMatrix = child.WorldMatrix;
this.Children.Add(child.Hierarchy);
child.WorldMatrix = tmpWorldMatrix;
}
else
{
this.Children.Add(child.Hierarchy);
var m = Entity.PositionComp.WorldMatrix;
child.PositionComp.UpdateWorldMatrix(ref m);
}
if (Entity.InScene && !child.InScene && insertIntoSceneIfNeeded)
child.OnAddedToScene(this.Entity);
}