mathe/Library/PackageCache/com.unity.shadergraph@14.0.8/Editor/Data/Interfaces/NeededCoordinateSpace.cs

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2024-09-20 20:30:10 +02:00
using System;
using System.Linq;
namespace UnityEditor.ShaderGraph.Internal
{
[Flags]
public enum NeededCoordinateSpace
{
None = 0,
Object = 1 << 0,
View = 1 << 1,
World = 1 << 2,
Tangent = 1 << 3,
AbsoluteWorld = 1 << 4,
Screen = 1 << 5
}
public enum CoordinateSpace
{
Object,
View,
World,
Tangent,
AbsoluteWorld,
Screen
}
public enum InterpolatorType
{
Normal,
BiTangent,
Tangent,
ViewDirection,
Position,
PositionPredisplacement,
}
public static class CoordinateSpaceExtensions
{
static int s_SpaceCount = Enum.GetValues(typeof(CoordinateSpace)).Length;
static int s_InterpolatorCount = Enum.GetValues(typeof(InterpolatorType)).Length;
static string[] s_VariableNames = new string[s_SpaceCount * s_InterpolatorCount];
public static string ToVariableName(this CoordinateSpace space, InterpolatorType type)
{
var index = (int)space + (int)type * s_SpaceCount;
if (string.IsNullOrEmpty(s_VariableNames[index]))
s_VariableNames[index] = string.Format("{0}Space{1}", space, type);
return s_VariableNames[index];
}
public static NeededCoordinateSpace ToNeededCoordinateSpace(this CoordinateSpace space)
{
switch (space)
{
case CoordinateSpace.Object:
return NeededCoordinateSpace.Object;
case CoordinateSpace.View:
return NeededCoordinateSpace.View;
case CoordinateSpace.World:
return NeededCoordinateSpace.World;
case CoordinateSpace.Tangent:
return NeededCoordinateSpace.Tangent;
case CoordinateSpace.AbsoluteWorld:
return NeededCoordinateSpace.AbsoluteWorld;
case CoordinateSpace.Screen:
return NeededCoordinateSpace.Screen;
default:
throw new ArgumentOutOfRangeException(nameof(space), space, null);
}
}
public static CoordinateSpace ToCoordinateSpace(this NeededCoordinateSpace space)
{
switch (space)
{
case NeededCoordinateSpace.Object:
return CoordinateSpace.Object;
case NeededCoordinateSpace.View:
return CoordinateSpace.View;
case NeededCoordinateSpace.World:
return CoordinateSpace.World;
case NeededCoordinateSpace.Tangent:
return CoordinateSpace.Tangent;
case NeededCoordinateSpace.AbsoluteWorld:
return CoordinateSpace.AbsoluteWorld;
case NeededCoordinateSpace.Screen:
return CoordinateSpace.Screen;
default:
throw new ArgumentOutOfRangeException(nameof(space), space, null);
}
}
}
}