update screen.py so we can draw custom images with any pensize or width

README.txt

@@ -0,0 +1,4 @@
+add this file to avoid FileNotFoundError: [Errno 2] No such file or directory: 'D:\\coding\\pgzero\\README.txt' when create a locally-editable install use pip3.
+pip3 install --editable .
+
+maybe the default version of pgzero installed by pip is lower so when debug pgzero code,will not find pgzrun moduel.

examples/basic/circle.py

@@ -1,4 +1,4 @@
 def draw():
     screen.clear()
-    screen.draw.circle((400, 300), 30, 'white')
+    screen.draw.circle((400, 300), 300, 'red', 10)
 

pgzero/screen.py

@@ -6,7 +6,9 @@
 
 
 def round_pos(pos):
-    """Round a tuple position so it can be used for drawing."""
+    """Round a tuple position so it can be used for drawing.
+    may cause problems when update.
+    """
     x, y = pos
     return round(x), round(y)
 
@@ -27,33 +29,33 @@ def __init__(self, screen):
     def _surf(self):
         return self._screen.surface
 
-    def line(self, start, end, color):
+    def line(self, start, end, color, pensize = 1):
         """Draw a line from start to end."""
         start = round_pos(start)
         end = round_pos(end)
-        pygame.draw.line(self._surf, make_color(color), start, end, 1)
+        pygame.draw.line(self._surf, make_color(color), start, end, pensize)
 
-    def circle(self, pos, radius, color):
+    def circle(self, pos, radius, color, pensize = 1):
         """Draw a circle."""
         pos = round_pos(pos)
-        pygame.draw.circle(self._surf, make_color(color), pos, radius, 1)
+        pygame.draw.circle(self._surf, make_color(color), pos, radius, pensize)
 
-    def filled_circle(self, pos, radius, color):
+    def filled_circle(self, pos, radius, color, pensize = 0):
         """Draw a filled circle."""
         pos = round_pos(pos)
-        pygame.draw.circle(self._surf, make_color(color), pos, radius, 0)
+        pygame.draw.circle(self._surf, make_color(color), pos, radius, pensize)
 
-    def rect(self, rect, color):
+    def rect(self, rect, color, pensize = 1):
         """Draw a rectangle."""
         if not isinstance(rect, RECT_CLASSES):
             raise TypeError("screen.draw.rect() requires a rect to draw")
-        pygame.draw.rect(self._surf, make_color(color), rect, 1)
+        pygame.draw.rect(self._surf, make_color(color), rect, pensize)
 
-    def filled_rect(self, rect, color):
+    def filled_rect(self, rect, color, pensize = 0):
         """Draw a filled rectangle."""
         if not isinstance(rect, RECT_CLASSES):
             raise TypeError("screen.draw.filled_rect() requires a rect to draw")
-        pygame.draw.rect(self._surf, make_color(color), rect, 0)
+        pygame.draw.rect(self._surf, make_color(color), rect, pensize)
 
     def text(self, *args, **kwargs):
         """Draw text to the screen."""