docstr: Remove all items from the scene.
docstr_tok: ["Remove","all","items","from","the","scene","."]
code: def clear(self):
      """
      Remove all items from the scene.
      """
      for item in self.items:
          item._setView(None)
      self.items = []
      self.update()
  
imports: from OpenGL.GL import *
  import OpenGL.GL.framebufferobjects
  from math import cos, radians, sin, tan
  import numpy
  from ..None import Vector
  from ..None import functions
  from ..None import getConfigOption
  from ..Qt import QtCore, QtGui, QtWidgets
label_desc: Use image node_id 7 for calling the GLViewMixin obj's underlying member method code with example usage: obj.clear() without return types