57 lines
No EOL
2.1 KiB
JavaScript
57 lines
No EOL
2.1 KiB
JavaScript
import UnityEngine;
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import UnityEditor;
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import System.Collections;
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import System.IO;
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class HeightmapExportPNG extends EditorWindow
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{
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static var terraindata : TerrainData;
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@MenuItem ("Terrain/Export Height Map as PNG")
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static function Init () {
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terraindata = null;
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var terrain : Terrain = null;
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if ( Selection.activeGameObject )
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terrain = Selection.activeGameObject.GetComponent( Terrain );
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if (!terrain) {
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terrain = Terrain.activeTerrain;
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}
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if (terrain) {
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terraindata = terrain.terrainData;
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}
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if (terraindata == null) {
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EditorUtility.DisplayDialog("No terrain selected", "Please select a terrain.", "Cancel");
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return;
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}
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//// get the terrain heights into an array and apply them to a texture2D
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var myBytes : byte[];
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var myIndex : int = 0;
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var rawHeights = new Array(0.0,0.0);
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var duplicateHeightMap = new Texture2D(terraindata.heightmapWidth, terraindata.heightmapHeight, TextureFormat.ARGB32, false);
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rawHeights = terraindata.GetHeights(0, 0, terraindata.heightmapWidth, terraindata.heightmapHeight);
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/// run through the array row by row
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for (y=0; y < duplicateHeightMap.height; ++y)
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{
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for (x=0; x < duplicateHeightMap.width; ++x)
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{
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/// for wach pixel set RGB to the same so it's gray
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var data = rawHeights[myIndex];
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var color = Vector4(data, data,data, 1.0);
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duplicateHeightMap.SetPixel (x, y, color);
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myIndex++;
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}
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}
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// Apply all SetPixel calls
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duplicateHeightMap.Apply();
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/// make it a PNG and save it to the Assets folder
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myBytes = duplicateHeightMap.EncodeToPNG();
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var filename : String = "DupeHeightMap.png";
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File.WriteAllBytes(Application.dataPath + "/" + filename, myBytes);
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EditorUtility.DisplayDialog("Heightmap Duplicated", "Saved as PNG in Assets/ as: " + filename, "");
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}
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} |