def init(self):
# Test for OpenGL extensions we can use
GLExtension.test()
self.nearClip = 0.1
self.farClip = 2500.0
self.fov = 45.0
# Set up some common OpenGL defaults
glClearDepth(1.0)
glDepthFunc(GL_LESS)
glShadeModel(GL_SMOOTH)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST)
# Set up the Mode object that handles viewport-wide per-frame modes.
# By default we use ClearedMode.
self.mode = ClearedMode()
