static void Init()
{
// Get existing open window or if none, make a new one:
VertexPainter window = EditorWindow.GetWindow <VertexPainter> ("VertexPainter");
window.Show();
}
private static void CreateWindow()
{
//Init window
int x = 150, y = 150, w = 320, h = 150;
window = (VertexPainter)GetWindow(typeof(VertexPainter), false);
window.position = new Rect(x, y, w + x, h + y);
window.minSize = new Vector2(w, h);
window.maxSize = new Vector2(w + 2, h + 2);
window.title = "Vertex Paint";
window.Show();
}