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18 行
507 B

using UnityEditor.Graphing;
namespace UnityEditor.ShaderGraph
{
public interface IMayRequireTangent
{
NeededCoordinateSpace RequiresTangent();
}
public static class MayRequireTangentExtensions
{
public static NeededCoordinateSpace RequiresTangent(this ISlot slot)
{
var mayRequireTangent = slot as IMayRequireTangent;
return mayRequireTangent != null ? mayRequireTangent.RequiresTangent() : NeededCoordinateSpace.None;
}
}
}