A game about forced loneliness, made by TACStudios
tacstudios.tngl.sh
1using System.Reflection;
2using UnityEngine;
3using UnityEditor.Graphing;
4using UnityEditor.ShaderGraph.Drawing.Controls;
5
6namespace UnityEditor.ShaderGraph
7{
8 enum ClampType
9 {
10 Fastest,
11 Nicest
12 };
13
14 [Title("Procedural", "Shape", "Rectangle")]
15 class RectangleNode : CodeFunctionNode
16 {
17 public RectangleNode()
18 {
19 name = "Rectangle";
20 synonyms = new string[] { "square" };
21 }
22
23 [SerializeField]
24 private ClampType m_ClampType = ClampType.Fastest;
25
26 [EnumControl("")]
27 public ClampType clampType
28 {
29 get { return m_ClampType; }
30 set
31 {
32 if (m_ClampType == value)
33 return;
34
35 m_ClampType = value;
36 Dirty(ModificationScope.Graph);
37 }
38 }
39
40 protected override MethodInfo GetFunctionToConvert()
41 {
42 switch (clampType)
43 {
44 case ClampType.Nicest:
45 return GetType().GetMethod("Unity_Rectangle_Nicest", BindingFlags.Static | BindingFlags.NonPublic);
46 case ClampType.Fastest:
47 default:
48 return GetType().GetMethod("Unity_Rectangle_Fastest", BindingFlags.Static | BindingFlags.NonPublic);
49 }
50 }
51
52 static string Unity_Rectangle_Fastest(
53 [Slot(0, Binding.MeshUV0)] Vector2 UV,
54 [Slot(1, Binding.None, 0.5f, 0, 0, 0)] Vector1 Width,
55 [Slot(2, Binding.None, 0.5f, 0, 0, 0)] Vector1 Height,
56 [Slot(3, Binding.None, ShaderStageCapability.Fragment)] out Vector1 Out)
57 {
58 return
59@"
60{
61 $precision2 d = abs(UV * 2 - 1) - $precision2(Width, Height);
62#if defined(SHADER_STAGE_RAY_TRACING)
63 d = saturate((1 - saturate(d * 1e7)));
64#else
65 d = saturate(1 - d / fwidth(d));
66#endif
67 Out = min(d.x, d.y);
68}";
69 }
70
71 static string Unity_Rectangle_Nicest(
72 [Slot(0, Binding.MeshUV0)] Vector2 UV,
73 [Slot(1, Binding.None, 0.5f, 0, 0, 0)] Vector1 Width,
74 [Slot(2, Binding.None, 0.5f, 0, 0, 0)] Vector1 Height,
75 [Slot(3, Binding.None, ShaderStageCapability.Fragment)] out Vector1 Out)
76 {
77 return
78@"
79{
80 UV = UV * 2.0 - 1.0;
81 $precision2 w = $precision2(Width, Height); // rectangle width/height
82#if defined(SHADER_STAGE_RAY_TRACING)
83 $precision2 o = saturate(0.5f + 1e7 * (w - abs(UV)));
84 o = min(o, 1e7 * w * 2.0f);
85#else
86 $precision2 f = min(fwidth(UV), 0.5f);
87 $precision2 k = 1.0f / f;
88 $precision2 o = saturate(0.5f + k * (w - abs(UV)));
89 o = min(o, k * w * 2.0f);
90#endif
91 Out = o.x * o.y;
92}";
93 }
94 }
95}