2023-12-14 11:03:58 +01:00
parent 8a5a7851cf
commit b87a7d16fb
3 changed files with 32 additions and 56 deletions
@@ -1,56 +0,0 @@
#if FLAX_EDITOR
using FlaxEditor.CustomEditors;
using FlaxEditor.CustomEditors.Dedicated;
#endif
namespace FlaxEngine
{
    partial class BoxCollider
    {
        private void BoxExcluding(Actor target, ref BoundingBox output, Actor excluded)
        {
            foreach (Actor child in target.Children)
            {
                if (child == excluded)
                {
                    continue;
                }
                output = BoundingBox.Merge(output, child.Box);
                BoxExcluding(child, ref output, excluded);
            }
        }
        /// <summary>
        /// Resizes the box collider based on the bounds of it's parent.
        /// </summary>
        public void AutoResize()
        {
            if (Parent is Scene)
            {
                return;
            }
            LocalPosition = Vector3.Zero;
            Vector3 parentScale = Parent.Scale;
            BoundingBox parentBox = Parent.Box;
            BoxExcluding(Parent, ref parentBox, this);
            Vector3 parentSize = parentBox.Size;
            Vector3 parentCenter = parentBox.Center - Parent.Position;
            // Avoid division by zero
            if (parentScale.X == 0 || parentScale.Y == 0 || parentScale.Z == 0)
            {
                return;
            }
            Size = parentSize / parentScale;
            Center = parentCenter / parentScale;
            // Undo Rotation
            Orientation *= Quaternion.Invert(Orientation);
        }
    }
}