ScalingNumerically

manim.py

@@ -44,7 +44,9 @@ if __name__ == "__main__":
     # sys.argv.extend(['old_projects/eola/chapter1.py', 'AddingNumbersOnNumberLine', '-pl'])
     # sys.argv.extend(['old_projects/eola/chapter1.py', 'VectorAdditionNumerically', '-pl'])
     # sys.argv.extend(['old_projects/eola/chapter1.py', 'MultiplicationByANumberIntro', '-pl'])
-    sys.argv.extend(['old_projects/eola/chapter1.py', 'ShowScalarMultiplication', '-pl'])
+    # sys.argv.extend(['old_projects/eola/chapter1.py', 'ShowScalarMultiplication', '-pl'])
+    sys.argv.extend(['old_projects/eola/chapter1.py', 'ScalingNumerically', '-pl'])
+    
     
 
     manimlib.main()

old_projects/eola/chapter1.py

@@ -1044,25 +1044,25 @@ class ScalingNumerically(VectorScene):
         two_v_elems = two_v_coords.get_mob_matrix().flatten()
         x_sym, y_sym = list(map(TexMobject, ["x", "y"]))
         two_x_sym, two_y_sym = list(map(TexMobject, ["2x", "2y"]))
-        VMobject(x_sym, two_x_sym).set_color(X_COLOR)
-        VMobject(y_sym, two_y_sym).set_color(Y_COLOR)
+        VGroup(x_sym, two_x_sym).set_color(X_COLOR)
+        VGroup(y_sym, two_y_sym).set_color(Y_COLOR)
         syms = [x_sym, y_sym, two_x_sym, two_y_sym]
-        VMobject(*syms).scale(VECTOR_LABEL_SCALE_FACTOR)
+        VGroup(*syms).scale(VECTOR_LABEL_SCALE_FACTOR)
         for sym, num in zip(syms, [x, y] + list(two_v_elems)):
             sym.move_to(num)
         self.play(
             Transform(x, x_sym),
             Transform(y, y_sym),
-            FadeOut(VMobject(*two_v_elems))
+            FadeOut(VGroup(*two_v_elems))
         )
         self.wait()
         self.play(
             Transform(
-                VMobject(two_dot.copy(), x.copy()),
+                VGroup(two_dot.copy(), x.copy()),
                 two_x_sym
             ),
             Transform(
-                VMobject(two_dot.copy(), y.copy() ),
+                VGroup(two_dot.copy(), y.copy() ),
                 two_y_sym
             )
         )