Optimize point copying: copy only if necessary

irvanalhaq9 · irvanalhaq9 · commit 4390b1351da0 · 2025-04-21T03:01:16.000+07:00
diff --git a/manim/mobject/types/vectorized_mobject.py b/manim/mobject/types/vectorized_mobject.py
@@ -1939,7 +1939,7 @@ def pointwise_become_partial(
             )
         else:
             # make a copy of points before setting self.points = np.empty(...)
-            vmobject_points = vmobject.points.copy()
+            vmobject_points = vmobject.points.copy() if self.points is vmobject.points else vmobject.points
 
             # Allocate space for (upper_index-lower_index+1) Bézier curves.
             self.points = np.empty((nppc * (upper_index - lower_index + 1), self.dim))

Original file line number	Diff line number	Diff line change
`@@ -1939,7 +1939,7 @@ def pointwise_become_partial(`
`1939`	`1939`	`)`
`1940`	`1940`	`else:`
`1941`	`1941`	`# make a copy of points before setting self.points = np.empty(...)`
`1942`		`- vmobject_points = vmobject.points.copy()`
	`1942`	`+ vmobject_points = vmobject.points.copy() if self.points is vmobject.points else vmobject.points`
`1943`	`1943`
`1944`	`1944`	`# Allocate space for (upper_index-lower_index+1) Bézier curves.`
`1945`	`1945`	`self.points = np.empty((nppc * (upper_index - lower_index + 1), self.dim))`