158

s158/gif_export_wrapper.py

@@ -0,0 +1,44 @@
+"""
+Alexandre B A Villares http://abav.lugaralgum.com - GPL v3 
+
+A helper for the Processing gifAnimation library (https://github.com/jordanorelli)
+ported to Processing 3 by 01010101 (https://github.com/01010101)
+Download the library from https://github.com/01010101/GifAnimation/archive/master.zip
+This helper was inspired by an example by Art Simon https://github.com/APCSPrinciples/AnimatedGIF/
+
+Put  at the start of your sketch:
+   add_library('gifAnimation')
+   from gif_exporter import gif_export
+and at the end of draw():
+    gif_export(GifMaker)
+"""
+
+def gif_export(GifMaker,             # gets a reference to the library
+               filename="exported",  # .gif will be added
+               repeat=0,             # 0 makes it an "endless" animation
+               quality=48,          # quality range 0 - 255
+               delay=170,            # this is quick
+               frames=0):            # 0 will stop on keyPressed or frameCount >= 100000
+    global gifExporter
+    try:
+        gifExporter
+    except NameError:
+        gifExporter = GifMaker(this, filename + ".gif")
+        gifExporter.setRepeat(repeat)
+        gifExporter.setQuality(quality)
+        gifExporter.setDelay(delay)
+        gif_export._frame = frameCount
+        print("gif start")
+
+    gifExporter.addFrame()
+
+    if (frames == 0 and keyPressed or frameCount - gif_export._frame >= 100000) \
+            or (frames != 0 and frameCount - gif_export._frame >= frames):
+        gifExporter.finish()
+        #background(255)
+        print("gif saved")
+        del(gifExporter)
+        noLoop()
+        return False
+    else:
+        return True

s158/s158.pyde

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+# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
+SKETCH_NAME, OUTPUT = "s158", ".gif"  # 180607
+'''
+![s158](s158/s158.gif)
+
+158: [code](https://github.com/villares/sketch-a-day/tree/master/s158) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
+'''
+
+add_library('gifAnimation')
+from gif_export_wrapper import *
+
+perlinScale = 0.02
+yo = 0
+
+def setup():
+    print_text_for_readme(SKETCH_NAME, OUTPUT)
+    size(500, 500, P3D)
+    stroke(200)
+    noFill()
+    strokeWeight(2)
+
+def draw():
+    #translate(0, 0, 0)
+    rotateX(radians(200))
+    global yo
+    background(0)
+    lines = []
+    for l in range(-40, 10):
+        line_ = []
+        beginShape()
+        y = l * 10
+        for x in range(40, width - 40, 10):
+            n = noise((x + yo / 4) * perlinScale,
+                      (l * -4 + yo) * 2 * perlinScale)
+            a = (250 - abs(x - width / 2)) / 2
+            z = height / 2 + map(n, 0, 1, -a, 0)
+            vertex(x, y, z)
+            line_.append((x, y, z))
+        endShape()
+        lines.append(line_)
+    yo += 0.5
+    for line1, line2 in zip(lines, lines[1:]):
+        for i, (x1, y1, z1) in enumerate(line1):
+            x2, y2, z2 = line2[i]
+            line(x1, y1, z1, x2, y2, z2)
+
+    gif_export(GifMaker, frames=200, filename=SKETCH_NAME)
+    # if frameCount <= 50:
+    #     saveFrame(OUTPUT)
+
+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)
+    )