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45 行
1.4 KiB

using UnityEngine;
using UnityEditor.Graphing;
namespace UnityEditor.ShaderGraph
{
[FormerName("UnityEngine.MaterialGraph.ViewDirectionNode")]
[Title("Input", "Geometry", "View Direction")]
public class ViewDirectionNode : GeometryNode, IMayRequireViewDirection
{
private const int kOutputSlotId = 0;
public const string kOutputSlotName = "Out";
public ViewDirectionNode()
{
name = "View Direction";
UpdateNodeAfterDeserialization();
}
public override string documentationURL
{
get { return "https://github.com/Unity-Technologies/ShaderGraph/wiki/View-Direction-Node"; }
}
public sealed override void UpdateNodeAfterDeserialization()
{
AddSlot(new Vector3MaterialSlot(
kOutputSlotId,
kOutputSlotName,
kOutputSlotName,
SlotType.Output,
Vector4.zero));
RemoveSlotsNameNotMatching(new[] { kOutputSlotId });
}
public override string GetVariableNameForSlot(int slotId)
{
return string.Format("IN.{0}", space.ToVariableName(InterpolatorType.ViewDirection));
}
public NeededCoordinateSpace RequiresViewDirection(ShaderStageCapability stageCapability)
{
return space.ToNeededCoordinateSpace();
}
}
}