A few 3d updates

camera.py

@@ -287,47 +287,6 @@ class MovingCamera(Camera):
         self.resize_space_shape(
             0 if self.aligned_dimension == "height" else 1
         )
-        
-class ShadingCamera(Camera):
-    CONFIG = {
-        # "sun_vect" : OUT+LEFT+UP,
-        "sun_vect" : UP+LEFT,
-        "shading_factor" : 0.5,
-    }
-    def __init__(self, *args, **kwargs):
-        Camera.__init__(self, *args, **kwargs)
-        self.unit_sun_vect = self.sun_vect/np.linalg.norm(self.sun_vect)
-
-    def get_stroke_color(self, vmobject):
-        return Color(rgb = self.get_shaded_rgb(
-            color_to_rgb(vmobject.get_stroke_color()),
-            normal_vect = self.get_unit_normal_vect(vmobject)
-        ))
-
-    def get_fill_color(self, vmobject):
-        return Color(rgb = self.get_shaded_rgb(
-            color_to_rgb(vmobject.get_fill_color()),
-            normal_vect = self.get_unit_normal_vect(vmobject)
-        ))
-
-    def get_shaded_rgb(self, rgb, normal_vect):
-        brightness = np.dot(normal_vect, self.unit_sun_vect)
-        if brightness > 0:
-            alpha = self.shading_factor*brightness
-            return interpolate(rgb, np.ones(3), alpha)
-        else:
-            alpha = -self.shading_factor*brightness
-            return interpolate(rgb, np.zeros(3), alpha)
-
-    def get_unit_normal_vect(self, vmobject):
-        anchors = vmobject.get_anchors()
-        if len(anchors) < 3:
-            return OUT
-        normal = np.cross(anchors[1]-anchors[0], anchors[2]-anchors[1])
-        length = np.linalg.norm(normal)
-        if length == 0:
-            return OUT
-        return normal/length