Minor cleanup

Author: eulertour

manim/mobject/opengl_mobject.py

@@ -1382,7 +1382,7 @@ def set_color_by_xyz_func(
 
     def init_shader_data(self):
         # TODO, only call this when needed?
-        self.shader_data = np.zeros(len(self.get_points()), dtype=self.__class__.shader_dtype)
+        self.shader_data = np.zeros(len(self.get_points()), dtype=self.shader_dtype)
         self.shader_indices = None
         self.shader_wrapper = ShaderWrapper(
             vert_data=self.shader_data,

manim/mobject/types/opengl_surface.py

@@ -184,7 +184,7 @@ def index_dot(index):
     # For shaders
     def get_shader_data(self):
         s_points, du_points, dv_points = self.get_surface_points_and_nudged_points()
-        shader_data = np.zeros(len(s_points), dtype=self.__class__.shader_dtype)
+        shader_data = np.zeros(len(s_points), dtype=self.shader_dtype)
         if "points" not in self.locked_data_keys:
             shader_data["point"] = s_points
             shader_data["du_point"] = du_points

manim/mobject/types/opengl_vectorized_mobject.py

@@ -8,9 +8,6 @@
 from ...constants import *
 from ...utils.color import *
 
-# from manimlib.constants import *
-# from manimlib.mobject.mobject import Mobject
-# from manimlib.mobject.mobject import Point
 from ...utils.bezier import bezier
 
 # from manimlib.utils.bezier import get_smooth_quadratic_bezier_handle_points
@@ -116,6 +113,7 @@ def __init__(
         self.flat_stroke = flat_stroke
         self.render_primitive = render_primitive
         self.triangulation_locked = triangulation_locked
+        self.n_points_per_curve = n_points_per_curve
 
         self.needs_new_triangulation = True
         self.triangulation = np.zeros(0, dtype="i4")