21

2019/sketch_190721a/sketch_190721a.pyde

@@ -1,28 +1,30 @@
 """Grid study"""
-shapes = []
 
 def setup():
     size(500, 500)
     rectMode(CENTER)
-    shapes.extend(grid(10, 12, 25, thing))
-    
+    global shapes
+    shapes = grid(cols=10,
+                  rows=12,
+                  space=25,
+                  func=(create_element, 10))
+
 def draw():
-    translate(width / 2, height / 2)
+    translate(width / 2., height / 2.)
     rect(0, 0, 250, 300)
     for s in shapes:
         shape(s)
-        
+
 def grid(cols, rows, space, func):
     result = []
-    half_w = -cols * space / 2.
-    half_h = -rows * space / 2.
+    half_w = cols * space / 2.
+    half_h = rows * space / 2.
     for ix in range(cols):
-        x = half_w + ix * space + space / 2
+        x = ix * space + space / 2. - half_w
         for iy in range(rows):
-            y = half_h + iy * space + space / 2
-            result.append(func(x, y))
+            y = iy * space + space / 2. - half_h
+            result.append(func[0](x, y, *func[1:]))
     return result
-        
-def thing(x=0, y=0, w=10, h=10):
-    t = createShape(ELLIPSE, x, y, w, h)
-    return t
+
+def create_element(x, y, *args):
+    return createShape(ELLIPSE, x, y, args[0], args[0])