From 49b25e755b70ec412feaaf0b898d6f7e09d2bea6 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Tue, 28 Jun 2022 09:40:37 +0800
Subject: +node example

---
 .../LibNoiseEditor/Nodes/OutputTexture2D.cs        | 70 ++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 Other/NodeEditorExamples/Assets/Examples/LibNoiseEditor/Nodes/OutputTexture2D.cs

(limited to 'Other/NodeEditorExamples/Assets/Examples/LibNoiseEditor/Nodes/OutputTexture2D.cs')

diff --git a/Other/NodeEditorExamples/Assets/Examples/LibNoiseEditor/Nodes/OutputTexture2D.cs b/Other/NodeEditorExamples/Assets/Examples/LibNoiseEditor/Nodes/OutputTexture2D.cs
new file mode 100644
index 00000000..c20a99d8
--- /dev/null
+++ b/Other/NodeEditorExamples/Assets/Examples/LibNoiseEditor/Nodes/OutputTexture2D.cs
@@ -0,0 +1,70 @@
+
+using UnityEngine;
+using UnityEditor;
+using UNEB;
+
+public class OutputTexture2D : Node
+{
+    private Texture2D texPreview;
+
+    NodeInput inputNoise;
+
+    private int _texRes = 100;
+    public int Resolution
+    {
+        get { return _texRes; }
+        set { _texRes = Mathf.Clamp(value, 10, 300); }
+    }
+
+    public override void Init()
+    {
+        inputNoise = AddInput();
+        inputNoise.name = "Input Noise";
+
+        texPreview = new Texture2D(200, 200);
+
+        FitKnobs();
+        bodyRect.height += 245;
+        bodyRect.width = 210f;
+    }
+
+    public override void OnBodyGUI()
+    {
+        EditorGUI.BeginChangeCheck();
+        Resolution = EditorGUILayout.IntField("Resolution", Resolution);
+
+        GUILayout.Box(texPreview, GUILayout.Width(texPreview.width), GUILayout.Height(texPreview.height));
+
+        if (GUILayout.Button("Update")) {
+            UpdateTexture();
+        }
+
+        if (EditorGUI.EndChangeCheck()) {
+            UpdateTexture();
+        }
+    }
+
+    public void UpdateTexture()
+    {
+        if (!inputNoise.HasOutputConnected()) {
+            return;
+        }
+
+        var noise = inputNoise.Outputs[0].GetValue<LibNoise.Generator.Perlin>();
+
+        for (int x = 0; x < texPreview.width; ++x) {
+            for (int y = 0; y < texPreview.height; ++y) {
+
+                var point = new Vector3(x, y, 0f) / _texRes;
+                float value = (float)noise.GetValue(point);
+
+                value = Mathf.Clamp01((value + 1) / 2f);
+                Color color = Color.HSVToRGB(value, 1f, 1f);
+
+                texPreview.SetPixel(x, y, color);
+            }
+        }
+
+        texPreview.Apply();
+    }
+}
-- 
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