Initial commit

Library/PackageCache/com.unity.shadergraph@c8830f61858d/Editor/Data/Nodes/UV/RotateNode.cs

@@ -0,0 +1,92 @@
+using System.Reflection;
+using UnityEngine;
+using UnityEditor.ShaderGraph.Drawing.Controls;
+using UnityEditor.Graphing;
+
+namespace UnityEditor.ShaderGraph
+{
+    enum RotationUnit
+    {
+        Radians,
+        Degrees
+    };
+
+    [Title("UV", "Rotate")]
+    class RotateNode : CodeFunctionNode
+    {
+        [SerializeField]
+        private RotationUnit m_Unit = RotationUnit.Radians;
+
+        [EnumControl("Unit")]
+        public RotationUnit unit
+        {
+            get { return m_Unit; }
+            set
+            {
+                if (m_Unit == value)
+                    return;
+
+                m_Unit = value;
+                Dirty(ModificationScope.Graph);
+            }
+        }
+
+        public RotateNode()
+        {
+            name = "Rotate";
+        }
+
+        protected override MethodInfo GetFunctionToConvert()
+        {
+            if (m_Unit == RotationUnit.Radians)
+                return GetType().GetMethod("Unity_Rotate_Radians", BindingFlags.Static | BindingFlags.NonPublic);
+            else
+                return GetType().GetMethod("Unity_Rotate_Degrees", BindingFlags.Static | BindingFlags.NonPublic);
+        }
+
+        static string Unity_Rotate_Radians(
+            [Slot(0, Binding.MeshUV0)] Vector2 UV,
+            [Slot(1, Binding.None, 0.5f, 0.5f, 0.5f, 0.5f)] Vector2 Center,
+            [Slot(2, Binding.None)] Vector1 Rotation,
+            [Slot(3, Binding.None)] out Vector2 Out)
+        {
+            Out = Vector2.zero;
+
+
+            return
+@"
+{
+    UV -= Center;
+    $precision s, c;
+    sincos(Rotation, s, c);
+    $precision3 r3 = $precision3(-s, c, s);
+    $precision2 r1;
+    r1.y = dot(UV, r3.xy);
+    r1.x = dot(UV, r3.yz);
+    Out = r1 + Center;
+}";
+        }
+
+        static string Unity_Rotate_Degrees(
+            [Slot(0, Binding.MeshUV0)] Vector2 UV,
+            [Slot(1, Binding.None, 0.5f, 0.5f, 0.5f, 0.5f)] Vector2 Center,
+            [Slot(2, Binding.None)] Vector1 Rotation,
+            [Slot(3, Binding.None)] out Vector2 Out)
+        {
+            Out = Vector2.zero;
+
+            return @"
+{
+    Rotation = Rotation * (3.1415926f/180.0f);
+    UV -= Center;
+    $precision s, c;
+    sincos(Rotation, s, c);
+    $precision3 r3 = $precision3(-s, c, s);
+    $precision2 r1;
+    r1.y = dot(UV, r3.xy);
+    r1.x = dot(UV, r3.yz);
+    Out = r1 + Center;
+}";
+        }
+    }
+}