comentários

sketch_180204b/sketch_180204b.pyde

@@ -1,4 +1,9 @@
-from __future__ import division, unicode_literals
+"""
+s33 180204b - Alexandre B A Villares
+https://abav.lugaralgum.com/sketch-a-day
+"""
+
+from __future__ import division
 
 CONFETI = []
 SIZE = 15
@@ -7,28 +12,27 @@ def setup():
     size(500, 500)
     noStroke()
     for _ in range(1200):
-        CONFETI.append(([random(width),       # [X,
-                         random(height+20)],  #  Y] -> x, y pos list
+        CONFETI.append(([random(width),        # [X,
+                         random(height + 20)], #  Y] -> x, y position list
                         random(TWO_PI),  # screen plane rotation
                         random(TWO_PI),  # "Z" rotation
-                        color(random(256), random(256), random(256))  # color
+                        color(random(256), random(256), random(256)) # color
                         ))
 
 def draw():
     background(0)
 
-    for pos, rot1, rot2, color_ in CONFETI:
-        with pushMatrix():
-            x, y = pos
-            translate(x, y)
+    for position, rot1, rot2, color_ in CONFETI:
+        with pushMatrix():  # contexto do sistema de coordenadas mudado
+            x, y = position  # umpack da lista position
+            translate(x, y)  # translada sistema de coordenadas
             rotate(rot1 + float(frameCount / 7))
             s = sin(rot2 + float(frameCount / 11))
             fill(color_)
             ellipse(0, 0, SIZE, SIZE * s)
-            pos[1] += 1 + random(0, 2) * s # update y (pos[1])
+            position[1] += 1 + random(0, 2) * s  # update y (position[1])
             if y > height + 20:
-                pos[1] = -20
-    #if frameCount<300 and not frameCount % 3:
-    #    saveFrame("###.tga")
+                position[1] = -20
 
-    
+    # if frameCount<200 and frameCount % 2
+    # saveFrame("###.tga") # salva frames para o GIF