fix variable

2026-07-13 17:45:20 +08:00 · 2013-01-12 11:29:18 +01:00
parent 60b560ff9e
commit 1fb5ae1a75
1 changed files with 5 additions and 5 deletions
@@ -244,14 +244,14 @@ def circle_perimeter(int cy, int cx, int radius, method='bresenham'):
                y -= 1
            x += 1
        elif method == 'andres':
-            if err >= 2 * (x - 1):
-                err = err - 2*x
+            if d >= 2 * (x - 1):
+                d = d - 2*x
                x = x + 1
-            elif err <= 2*(radius - y):
-                err = err + 2 * y - 1
+            elif d <= 2*(radius - y):
+                d = d + 2 * y - 1
                y = y - 1
            else:
-                err = err + 2*(y - x - 1)
+                d = d + 2*(y - x - 1)
                y = y - 1
                x = x + 1