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s217/gif_export_wrapper.py

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+"""
+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=128,          # quality range 0 - 255
+               delay=400,            # this is quick
+               frames=0,
+               finish=False):            # 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 finish:
+        gifExporter.finish()
+        noLoop()
+    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

s217/s217.pyde

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+# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
+# s216 20180802
+
+from gif_export_wrapper import *
+add_library('gifAnimation')
+add_library('peasycam')
+
+GRID_SIZE = 64
+SKETCH_NAME = "s217"
+OUTPUT = ".gif"
+
+def setup():
+    print_text_for_readme(SKETCH_NAME, OUTPUT)
+    size(700, 700, P3D)
+    # hint(ENABLE_DEPTH_SORT)
+    # optional PeasyCam setup to allow orbiting with a mouse drag
+    cam = PeasyCam(this, 100)
+    cam.setMinimumDistance(1000)
+    cam.setMaximumDistance(1000)
+    # sets border and grid spacing
+    Node.border = 50
+    Node.spacing = (width - Node.border * 2) / GRID_SIZE
+
+    # Node.nodes is a list of nodes in a 3D grid
+    for x in range(GRID_SIZE):
+        for y in range(GRID_SIZE):
+            for z in range(GRID_SIZE):
+                new_node = Node(x, y, z)
+                Node.nodes.append(new_node)
+                Node.grid[x, y, z] = new_node
+
+    m = GRID_SIZE - 1
+    for s in range(GRID_SIZE):
+        Node.grid[(0, 0, s)].cor = color(255, 0, 0)
+        Node.grid[(0, s, 0)].cor = color(0, 0, 255)
+        Node.grid[(s, 0, 0)].cor = color(0, 255, 0)
+        Node.grid[(m, m, s)].cor = color(255, 0, 0)
+        Node.grid[(m, s, m)].cor = color(0, 0, 255)
+        Node.grid[(s, m, m)].cor = color(0, 255, 0)
+        Node.grid[(0, m, s)].cor = color(255, 0, 0)
+        Node.grid[(0, s, m)].cor = color(0, 0, 255)
+        Node.grid[(s, 0, m)].cor = color(0, 255, 0)
+        Node.grid[(m, 0, s)].cor = color(255, 0, 0)
+        Node.grid[(m, s, 0)].cor = color(0, 0, 255)
+        Node.grid[(s, m, 0)].cor = color(0, 255, 0)
+
+
+def draw():
+    lights()
+    # arbitray rotation
+    rotate(-1 + TWO_PI / (GRID_SIZE * 2) * frameCount, 1 / 2, 1, 1 / 2)
+    background(100)
+
+    for node in Node.nodes:
+        node.plot()
+
+    # if frameCount < GRID_SIZE*2:
+    #     gif_export(GifMaker, filename=SKETCH_NAME)
+    # else:
+    #     gif_export(GifMaker, finish=True)
+
+
+def big_box(px, py, pz, w, h, d, c):
+    for x in range(px, px + w):
+        for y in range(py, py + h):
+            for z im range(pz, pz + d):
+                if (0 <= x < GRID_SIZE and
+                    0 <= y < GRID_SIZE and
+                    0 <= z < GRID_SIZE):
+                    Node.grid[(x, y, z)].cor = c
+
+
+class Node():
+    nodes = []
+    grid = dict()
+
+    def __init__(self, x, y, z):
+        self.ix = x
+        self.iy = y
+        self.iz = z
+        self.x = Node.border + Node.spacing / 2 + x * Node.spacing - width / 2
+        self.y = Node.border + Node.spacing / 2 + y * Node.spacing - width / 2
+        self.z = Node.border + Node.spacing / 2 + z * Node.spacing - width / 2
+        self.size_ = 1
+        self.cor = None
+
+    def plot(self):
+        """ draws box """
+        if self.cor:
+            noStroke()  # stroke(0)
+            fill(self.cor)
+            with pushMatrix():
+                translate(self.x, self.y, self.z)
+                box(Node.spacing * self.size_)
+
+
+def keyPressed():
+    """ press P to save an image """
+    if key in ['p', 'P']:
+        saveFrame("####" + SKETCH_NAME + OUTPUT)
+
+def print_text_for_readme(name, output):
+    """ prints text in the console to add to project README.md """
+    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)
+    )