189

s189/s189.pyde

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+# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
+SKETCH_NAME = "s189"  # 20180706
+OUTPUT = ".gif"
+
+from gif_export_wrapper import *
+add_library('gifAnimation')
+
+num_hatches = 5
+hatches = []
+global_rot = 0
+
+def setup():
+    print_text_for_readme(SKETCH_NAME, OUTPUT)
+    size(500, 500)
+    # smooth(4)
+    for _ in range(num_hatches):
+        hatches.append(Hatch())
+
+def draw():
+    global global_rot
+    background(200)
+    stroke(0)
+    for i, h in enumerate(hatches):
+        h.plot(do_rotation = frameCount/50 % num_hatches == i)
+
+    global_rot += 0.0628
+
+    gif_export(GifMaker, filename=SKETCH_NAME)
+
+    if global_rot > PI * num_hatches:
+        gif_export(GifMaker, finish=True)
+        noLoop()
+
+
+class Hatch:
+
+    def __init__(self):
+        self.n = int(random(20, 60))
+        self.space = random(5, 15)
+        self.half = self.n * self.space / 2.
+        self.x = random(self.half, width - self.half)
+        self.y = random(self.half, height - self.half)
+        self.rot = random(TWO_PI)
+
+    def plot(self, do_rotation):
+        with pushMatrix():
+            translate(self.x, self.y)
+            rotate(self.rot)
+            if do_rotation:
+                rotate(global_rot)
+            s, l = self.space, self.half
+            #ellipse(0, 0, 5,5)
+
+            for i in range(self.n):
+                line(s * i - l, -l, s * i - l, l)
+
+
+def print_text_for_readme(name, output):
+    println("""
+![{0}]({0}/{0}{2})
+
+{1}: [code](https://github.com/villares/sketch-a-day/tree/master/{0}) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
+
+""".format(name, name[1:], output)
+    )