57 lines
1.5 KiB
C#
57 lines
1.5 KiB
C#
#if FLAX_EDITOR
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using FlaxEditor.CustomEditors;
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using FlaxEditor.CustomEditors.Dedicated;
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#endif
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namespace FlaxEngine
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{
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partial class BoxCollider
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{
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private void BoxExcluding(Actor target, ref BoundingBox output, Actor excluded)
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{
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foreach (Actor child in target.Children)
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{
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if (child == excluded)
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{
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continue;
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}
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output = BoundingBox.Merge(output, child.Box);
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BoxExcluding(child, ref output, excluded);
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}
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}
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/// <summary>
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/// Resizes the box collider based on the bounds of it's parent.
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/// </summary>
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public void AutoResize()
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{
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if (Parent is Scene)
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{
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return;
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}
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LocalPosition = Vector3.Zero;
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Vector3 parentScale = Parent.Scale;
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BoundingBox parentBox = Parent.Box;
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BoxExcluding(Parent, ref parentBox, this);
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Vector3 parentSize = parentBox.Size;
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Vector3 parentCenter = parentBox.Center - Parent.Position;
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// Avoid division by zero
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if (parentScale.X == 0 || parentScale.Y == 0 || parentScale.Z == 0)
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{
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return;
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}
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Size = parentSize / parentScale;
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Center = parentCenter / parentScale;
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// Undo Rotation
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Orientation *= Quaternion.Invert(Orientation);
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}
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}
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}
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