public static MorphVertex GetVertexByClick(this MorphAnimationData morph, MorphTriangle triangle, Vector3 clickPoint)
{
float distance1 = Vector3.Distance(morph.Vertexs[triangle.Vertex1].Vertex, clickPoint);
float distance2 = Vector3.Distance(morph.Vertexs[triangle.Vertex2].Vertex, clickPoint);
float distance3 = Vector3.Distance(morph.Vertexs[triangle.Vertex3].Vertex, clickPoint);
if (distance1 < distance2 && distance1 < distance3)
{
return(morph.Vertexs[triangle.Vertex1]);
}
if (distance2 < distance1 && distance2 < distance3)
{
return(morph.Vertexs[triangle.Vertex2]);
}
if (distance3 < distance1 && distance3 < distance2)
{
return(morph.Vertexs[triangle.Vertex3]);
}
return(morph.Vertexs[triangle.Vertex1]);
}
private void GenerateMorphController()
{
if (!_meshFilter.sharedMesh)
{
MorphDebug.LogError("MeshFilter组件丢失了Mesh数据！", _meshFilter.gameObject);
return;
}
if (!_meshRenderer)
{
MorphDebug.LogError("GameObject丢失了组件MeshRenderer！", _meshFilter.gameObject);
return;
}
string path = EditorUtility.SaveFilePanel("Save Morph Mesh", Application.dataPath, _meshFilter.sharedMesh.name + "(Morph)", "asset");
if (path.Length != 0)
{
Collider[] cols = _meshFilter.GetComponents <Collider>();
for (int i = 0; i < cols.Length; i++)
{
cols[i].enabled = false;
}
string subPath = path.Substring(0, path.IndexOf("Asset"));
path = path.Replace(subPath, "");
Mesh mesh = Instantiate(_meshFilter.sharedMesh);
AssetDatabase.CreateAsset(mesh, path);
AssetDatabase.SaveAssets();
Mesh meshAsset = AssetDatabase.LoadAssetAtPath(path, typeof(Mesh)) as Mesh;
//生成蒙皮网格组件，并创建根骨骼
if (!_skinnedMeshRenderer)
{
_skinnedMeshRenderer = _meshFilter.transform.gameObject.AddComponent <SkinnedMeshRenderer>();
}
_skinnedMeshRenderer.sharedMesh = meshAsset;
_skinnedMeshRenderer.rootBone = _meshFilter.transform;
_skinnedMeshRenderer.sharedMaterials = _meshRenderer.sharedMaterials;
_skinnedMeshRenderer.enabled = true;
GameObject boneRoot = new GameObject("BoneRoot");
boneRoot.hideFlags = HideFlags.HideInHierarchy;
MorphBone mb = boneRoot.AddComponent <MorphBone>();
mb.hideFlags = HideFlags.HideInInspector;
Transform[] bones = new Transform[1];
Matrix4x4[] bindposes = new Matrix4x4[1];
bones[0] = boneRoot.transform;
bones[0].SetParent(_skinnedMeshRenderer.rootBone);
bones[0].localPosition = Vector3.zero;
bones[0].localRotation = Quaternion.identity;
bindposes[0] = bones[0].worldToLocalMatrix * _skinnedMeshRenderer.transform.localToWorldMatrix;
_skinnedMeshRenderer.bones = bones;
_skinnedMeshRenderer.sharedMesh.bindposes = bindposes;
//生成网格碰撞器
if (!_meshCollider)
{
_meshCollider = _meshFilter.transform.gameObject.AddComponent <MeshCollider>();
}
_meshCollider.sharedMesh = meshAsset;
_meshCollider.enabled = true;
//生成变形动画数据组件
if (!_morphAnimationData)
{
_morphAnimationData = _meshFilter.transform.gameObject.AddComponent <MorphAnimationData>();
}
_morphAnimationData.Identity = true;
_morphAnimationData.hideFlags = HideFlags.HideInInspector;
_morphAnimationData.Vertexs.Clear();
_morphAnimationData.Triangles.Clear();
//处理顶点
List <int> repetitionVertices = new List <int>();
for (int i = 0; i < meshAsset.vertices.Length; i++)
{
EditorUtility.DisplayProgressBar("Please wait", "Dispose vertices（" + i + "/" + meshAsset.vertices.Length + "）......", 1.0f / meshAsset.vertices.Length * i);
if (repetitionVertices.Contains(i))
{
continue;
}
List <int> verticesGroup = new List <int>();
verticesGroup.Add(i);
for (int j = i + 1; j < meshAsset.vertices.Length; j++)
{
if (meshAsset.vertices[i] == meshAsset.vertices[j])
{
verticesGroup.Add(j);
repetitionVertices.Add(j);
}
}
_morphAnimationData.Vertexs.Add(new MorphVertex(_meshFilter.transform.localToWorldMatrix.MultiplyPoint3x4(meshAsset.vertices[i]), verticesGroup));
}
//处理三角面
List <int> allTriangles = new List <int>(meshAsset.triangles);
for (int i = 0; (i + 2) < allTriangles.Count; i += 3)
{
EditorUtility.DisplayProgressBar("Please wait", "Dispose triangles（" + i + "/" + allTriangles.Count + "）......", 1.0f / allTriangles.Count * i);
int mv1 = _morphAnimationData.GetVertexIndexByIndex(allTriangles[i]);
int mv2 = _morphAnimationData.GetVertexIndexByIndex(allTriangles[i + 1]);
int mv3 = _morphAnimationData.GetVertexIndexByIndex(allTriangles[i + 2]);
MorphTriangle mt = new MorphTriangle(mv1, mv2, mv3);
_morphAnimationData.Triangles.Add(mt);
}
_morphAnimationData.BindposesPosition.Add(boneRoot.transform.localPosition);
_morphAnimationData.BindposesRotation.Add(boneRoot.transform.localRotation);
_morphAnimationData.BindposesScale.Add(boneRoot.transform.localScale);
EditorUtility.ClearProgressBar();
DestroyImmediate(_meshFilter);
DestroyImmediate(_meshRenderer);
_skinnedMeshRenderer.transform.parent = null;
}
}
