9a

2020/sketch_2020_10_09a/sketch_2020_10_09a.pyde

@@ -0,0 +1,89 @@
+# import villares.ubuntu_jogl_fix  # intel video linux bug
+# from villares.gif_export import gif_export
+# add_library('gifAnimation')
+
+import random
+
+NAME = "sketch_2020_10_09a"
+random.seed(10090)
+choice = random.choice
+
+elements = []
+
+def setup():
+    size(400, 400, P3D)
+    frameRate(24)
+    generate()
+
+def generate(n=500):
+    pegs = (-20, -10, 0, 0, 10, 20)
+    elements[:] = [(choice('LCCRMY'),
+                    (choice(pegs), choice(pegs)),
+                    choice((1, 3)),)
+                   for _ in range(n)]
+
+def draw():
+    global rot
+    background(240, 240, 220)
+    translate(width / 2, height / 2, -250)
+
+    rot = frameCount / 100.
+    rotateY(rot)
+    draw_e(elements)
+    
+    # export(rot)
+
+def export(rot):
+    if rot < TWO_PI:
+        if frameCount % 2:
+            gif_export(GifMaker,
+                       NAME,
+                       delay=100,
+                       quality=0)
+    else:
+        gif_export(GifMaker, finish=True)
+
+def draw_e(els):
+    for i, e in enumerate(els):
+        stroke(0)
+        t, v, w = e
+        strokeWeight(w)
+        if t == 'Y':
+            if i % 2:
+                rotateX(QUARTER_PI)
+            else:
+                rotateY(QUARTER_PI + QUARTER_PI * sin(rot / 2))
+
+        if t == 'L':
+            line_e(v)
+        if t == 'C':
+            line_e(v, c=w)
+        if t == 'M' and i > 1:
+            for _ in range(3):
+                line_e(v)
+                # if keyPressed:
+                pushMatrix()
+                scale(.5)
+                draw_e(els[i - 5:i])
+                popMatrix()
+        if t == 'R' and i > 1:
+                for _ in range(3):
+                    line_e(v)
+                    line_e((v[1] / 2, -v[0] / 2))
+                    draw_e([els[i - 1]])
+    
+
+def line_e(v, c=None):
+    line(0, 0, v[0], v[1])
+    if c is not None:
+        d = PVector(v[0], v[1]).mag()
+        if c != 1:
+            fill(0)
+        else:
+            fill(255, 0, 0)
+        circle(0, 0, d / c ** 2)
+    translate(v[0], v[1])
+
+def keyPressed():
+    if key == ' ':
+        generate()

README.md

@@ -26,6 +26,12 @@ Some of the tools I have used:
 
 ---
 
+![sketch_2020_10_09a](2020/sketch_2020_10_09a/sketch_2020_10_09a.gif)
+
+[sketch_2020_10_09a](https://github.com/villares/sketch-a-day/tree/master/2020/sketch_2020_10_09a) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
+
+---
+
 ![sketch_2020_10_08a](2020/sketch_2020_10_08a/sketch_2020_10_08a.gif)
 
 [sketch_2020_10_08a](https://github.com/villares/sketch-a-day/tree/master/2020/sketch_2020_10_08a) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]