Method: GLApp#pre_draw

Defined in:
lib/glapp.rb

#pre_draw ⇒ Object 



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# File 'lib/glapp.rb', line 59

def pre_draw
  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
  glMatrixMode(GL_PROJECTION)
  glLoadIdentity
  gluPerspective(30.0, width / height, 0.1, 1000.0)

  glMatrixMode(GL_MODELVIEW)
  glLoadIdentity
end