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UnityのMeshから点だけのMeshを作るwindow
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| using System; | |
| using System.Collections.Generic; | |
| using System.Linq; | |
| using UnityEditor; | |
| using UnityEngine; | |
| public class PointMeshMaker : EditorWindow | |
| { | |
| private Mesh mesh; | |
| private bool update = false; | |
| [MenuItem("Utility/PointMeshMaker")] | |
| public static void ShowWindow() | |
| { | |
| GetWindow<PointMeshMaker>("PointMeshMaker"); | |
| } | |
| private void OnGUI() | |
| { | |
| mesh = EditorGUILayout.ObjectField(mesh, typeof(Mesh), true) as Mesh; | |
| update = EditorGUILayout.Toggle ("Update", update); | |
| if (GUILayout.Button("Check Topology Type")) | |
| { | |
| if(mesh == null) return; | |
| var topology = mesh.GetTopology(0); | |
| Debug.Log(topology); | |
| } | |
| if (GUILayout.Button("Make Point Mesh")) | |
| { | |
| if(mesh == null) return; | |
| var path = AssetDatabase.GetAssetPath(mesh); | |
| Debug.Log("Mesh Path : " + path); | |
| var pathWay = path.Split(new[] {'/'}); | |
| var fileName = pathWay.Last().Split(new[]{'.'}).First() + "_PointMesh.asset"; | |
| var folderPath = String.Join("/", pathWay.Take(pathWay.Length - 1).ToArray()); | |
| var filePath = folderPath + "/" + fileName; | |
| Debug.Log("Folder Path : " + folderPath); | |
| Debug.Log("New File Path : " + filePath); | |
| var newMesh = (Mesh)Instantiate(mesh); | |
| var verts = newMesh.vertices; | |
| var indices = new List<int>(); | |
| for (var i = 0; i < mesh.vertexCount; i++) { | |
| indices.Add(i); | |
| } | |
| newMesh.SetIndices(indices, MeshTopology.Points, 0); | |
| if (!update) | |
| { | |
| AssetDatabase.CreateAsset(newMesh, filePath); | |
| AssetDatabase.Refresh(); | |
| Debug.Log("Saved"); | |
| } | |
| else | |
| { | |
| var meshData = AssetDatabase.LoadAssetAtPath<Mesh>(filePath); | |
| meshData.vertices = newMesh.vertices; | |
| meshData.colors = newMesh.colors; | |
| meshData.uv = newMesh.uv; | |
| meshData.uv2 = newMesh.uv2; | |
| meshData.uv3 = newMesh.uv3; | |
| meshData.uv4 = newMesh.uv4; | |
| meshData.SetIndices(indices, MeshTopology.Points, 0); | |
| EditorUtility.SetDirty (meshData); | |
| AssetDatabase.Refresh(); | |
| Debug.Log("Updated"); | |
| } | |
| } | |
| } | |
| } |
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