215

s215/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=170,            # 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

s215/s215.pyde

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+# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
+# s211 20180728
+
+from gif_export_wrapper import *
+add_library('gifAnimation')
+add_library('peasycam')
+
+GRID_SIZE = 16
+SKETCH_NAME = "s214x"
+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):
+                Node.nodes.append(Node(x, y, z))
+    # Node.rooms is a list of spaced nodes inside the grid
+    Node.rooms = [node for node in Node.nodes
+                  if node.ix % 2 == 0 and
+                     node.iy % 2 == 0 and
+                     node.iz % 2 == 0]
+    for node in Node.rooms:
+        node.cor = color(0, 128, 255)
+    # 3    
+    Node.rooms = [node for node in Node.nodes
+                  if node.ix % 3 == 0 and
+                     node.iy % 3 == 0 and
+                     node.iz % 3 == 0]
+    for node in Node.rooms:
+        node.cor = color(255, 128, 0)
+    # Node.rooms is a list of spaced nodes inside the grid
+    Node.rooms = [node for node in Node.nodes
+                  if node.ix % 5 == 0 and
+                     node.iy % 5 == 0 and
+                     node.iz % 5 == 0]
+    for node in Node.rooms:
+        node.cor = color(128, 0, 255)
+    # 7 
+    Node.rooms = [node for node in Node.nodes
+                  if node.ix % 7 == 0 and
+                     node.iy % 7 == 0 and
+                     node.iz % 7 == 0]
+    for node in Node.rooms:
+        node.cor = color(255, 0, 128)
+        
+def draw():
+    lights()
+    # arbitray rotation
+    rotate(-1, 1/2, 1, 1/2)
+    background(100)
+    # angle based on frameCount to animate box sizes
+    ang = frameCount/10.
+    
+    for node in Node.nodes:
+            node.plot()
+            node.update(ang)
+            
+    # stop after a full size animatiom cycle
+    if ang < TWO_PI:
+        gif_export(GifMaker, filename=SKETCH_NAME)
+    else:
+        gif_export(GifMaker, finish=True)
+    
+
+class Node():
+    nodes = []
+    rooms = []
+
+    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
+        self.update(0)
+
+    def plot(self):
+        """ draws box """
+        if self.cor:
+            stroke(0)
+            fill(self.cor)
+        else:
+            stroke(255, 50)
+            fill(255, 10)
+        with pushMatrix():
+                translate(self.x, self.y, self.z)
+                box(Node.spacing * self.size_)
+
+    def update(self, ang):
+        """ changing box size """
+        if self.cor == None:
+            self.size_ = 1
+        else:
+            self.size_ = cos(ang) #self.x + self.y + self.z + ang)
+
+
+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)
+    )