def apply(self):
"""setup current lightmodel for current OpenGL context"""
if self.ambient is not None:
GL.glLightModelfv(GL.GL_LIGHT_MODEL_AMBIENT, self.ambient);
if self.localViewer is True:
GL.glLightModelf(GL.GL_LIGHT_MODEL_LOCAL_VIEWER, GL.GL_TRUE);
elif self.localViewer is False:
GL.glLightModelf(GL.GL_LIGHT_MODEL_LOCAL_VIEWER, GL.GL_FALSE);
if self.twoSide is True:
GL.glLightModelf(GL.GL_LIGHT_MODEL_TWO_SIDE, GL.GL_TRUE);
elif self.twoSide is False:
GL.glLightModelf(GL.GL_LIGHT_MODEL_TWO_SIDE, GL.GL_FALSE);
def Set(self, **kw):
"""Set various light model parameters"""
self.viewer.currentCamera.Activate()
tagModified = True
val = getkw(kw, 'tagModified')
if val is not None:
tagModified = val
assert tagModified in [True, False]
self._modified = tagModified
ambi = getkw(kw, 'ambient')
if not ambi is None:
if len(ambi)==3 or len(ambi)==4:
self.ambient = OneColor( ambi )
GL.glLightModelfv(GL.GL_LIGHT_MODEL_AMBIENT, self.ambient);
else:
raise ValueError('length of new color must be 3 or 4')
localViewer = getkw(kw, 'localViewer')
if not localViewer is None:
if localViewer in (True,1):
GL.glLightModelf(GL.GL_LIGHT_MODEL_LOCAL_VIEWER,
GL.GL_TRUE);
elif localViewer in (False,0):
GL.glLightModelf(GL.GL_LIGHT_MODEL_LOCAL_VIEWER,
GL.GL_FALSE);
else: raise AttributeError('localViewer can only be True or False')
self.localViewer = localViewer
twoSide = getkw(kw, 'twoSide')
if not twoSide is None:
if twoSide in (True,1):
GL.glLightModelf(GL.GL_LIGHT_MODEL_TWO_SIDE,
GL.GL_TRUE);
elif twoSide in (False,0):
GL.glLightModelf(GL.GL_LIGHT_MODEL_TWO_SIDE,
GL.GL_FALSE);
else: raise AttributeError('twoSide can only be True or False')
self.twoSide = twoSide
self.broadcast()
if len(kw):
print 'WARNING8: Keyword(s) %s not used' % kw.keys()
