private void OnSceneGUI()
{
DrawNormals showNormals = (DrawNormals)target;
if (showNormals.Show)
{
if (m_meshFilter == null)
{
m_meshFilter = showNormals.GetComponent <MeshFilter>();
if (m_meshFilter == null)
{
m_meshFilter = showNormals.gameObject.AddComponent <MeshFilter>();
}
Mesh mesh = m_meshFilter.sharedMesh;
m_vertices = mesh.vertices;
m_normals = mesh.normals;
}
Handles.color = showNormals.Color;
for (int i = 0; i < m_vertices.Length; i++)
{
Vector3 norm = m_normals[i];
Vector3 start = m_vertices[i];
start = showNormals.transform.TransformPoint(start);
Vector3 end = start + showNormals.transform.TransformDirection(norm) * showNormals.Length;
Handles.DrawLine(start, end);
}
}
}
public static void HideNormals()
{
foreach (GameObject go in Selection.gameObjects)
{
DrawNormals show = go.GetComponent <DrawNormals>();
if (show != null)
{
Undo.DestroyObjectImmediate(show);
}
}
}
public static void ShowNormals()
{
foreach (GameObject go in Selection.gameObjects)
{
DrawNormals show = go.GetComponent <DrawNormals>();
if (show == null)
{
Undo.RegisterCreatedObjectUndo(go.AddComponent <DrawNormals>(), "Battlehub.ShowNormals");
}
}
}
