286

README.md

@@ -7,6 +7,12 @@ Hi! I'm [Alexandre Villares](https://abav.lugaralgum.com), let's see if I can ma
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+---
+
+![s286](s286/s286.gif)
+
+286: [code](https://github.com/villares/sketch-a-day/tree/master/s286) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
+
 ---
 
 ![s285](s285/s285.gif)

s286/node.py

@@ -0,0 +1,44 @@
+from random import choice
+
+class Node():
+    nodes = []
+ 
+    def __init__(self, x, y):
+        self.x = Node.border + Node.spacing / 2 + x * Node.spacing - width / 2
+        self.y = Node.border + Node.spacing / 2 + y * Node.spacing - height / 2
+        self.size_ = 1
+        self.rot0 = choice((0, HALF_PI)) #, PI, PI + HALF_PI))
+        self.rot1 = choice((HALF_PI , PI)) #, PI + HALF_PI))
+        
+    def plot(self, ang):
+        """ draws node """
+        with pushMatrix():
+            translate(self.x, self.y)
+            d = abs(self.rot0 + ang - self.rot1)
+            if d >= 0.30:
+                rotate(self.rot0 + ang)
+            else:
+                self.rot0 = self.rot1 - ang
+                rotate(self.rot1)
+                   
+            noFill() #stroke(0)
+            stroke(0, 0, 200, 50)
+            siz = Node.spacing * self.size_
+            rect(0, 0, siz, siz)
+            # line(-siz/2, -siz/2, siz/2, siz/2)
+            stroke(0, 100, 100)
+            arc(-siz/2, -siz/2, siz, siz, 0, HALF_PI)
+            arc(siz/2, siz/2, siz, siz,PI, PI+HALF_PI)
+
+    @classmethod                                            
+    def init_grid(cls, grid_size, border):
+        cls.border = border
+        cls.spacing = (width - cls.border * 2) / grid_size
+        cls.nodes = []
+        for x in range(grid_size):
+            for y in range(grid_size):
+                    new_node = cls(x, y)
+                    cls.nodes.append(new_node)
+
+    
+            

s286/s286.pyde

@@ -0,0 +1,68 @@
+# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
+SKETCH_NAME = "s286"  # 20181011
+OUTPUT = ".gif"
+
+GRID_SIZE = 10
+BORDER = 50
+
+from random import seed
+from random import choice
+from node import Node
+
+def setup():
+    size(500, 500)
+    strokeWeight(2)
+    rectMode(CENTER)
+    frameRate(10)
+    random_seed(101)
+    Node.init_grid(GRID_SIZE, BORDER)
+            
+def draw():
+    translate(width/2, height/2)
+    background(200)
+    ang = frameCount/31.
+        
+    for node in Node.nodes:
+        node.plot(ang)
+
+    if ang < TWO_PI:
+        saveFrame("###.png")
+    else:
+        noLoop()            
+
+                                            
+def init_grid(grid_size):
+    Node.border = 50
+    Node.spacing = (width - Node.border * 2) / grid_size
+    Node.nodes = []
+    for x in range(grid_size):
+        for y in range(grid_size):
+                new_node = Node(x, y)
+                Node.nodes.append(new_node)
+
+ 
+def keyPressed():
+    if key == "n":
+        init_grid(GRID_SIZE)
+    if key == "s": saveFrame("###.png")
+    
+    
+def random_seed(s=None):
+    global rnd_seed
+    if s:
+        rnd_seed = s
+        seed(rnd_seed)
+        randomSeed(rnd_seed)    
+    else:
+        seed(rnd_seed)
+        randomSeed(rnd_seed)
+    
+# print text to add to the project's README.md             
+def settings():
+    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(SKETCH_NAME, SKETCH_NAME[1:], OUTPUT)
+    )

s287/node.py

@@ -0,0 +1,44 @@
+from random import choice
+
+class Node():
+    nodes = []
+ 
+    def __init__(self, x, y):
+        self.x = Node.border + Node.spacing / 2 + x * Node.spacing - width / 2
+        self.y = Node.border + Node.spacing / 2 + y * Node.spacing - height / 2
+        self.size_ = 1
+        self.rot0 = choice((0, HALF_PI)) #, PI, PI + HALF_PI))
+        self.rot1 = choice((HALF_PI , PI)) #, PI + HALF_PI))
+        self.rot2 = self.rot0
+        
+    def plot(self, ang):
+        """ draws node """
+        with pushMatrix():
+            translate(self.x, self.y)
+            if abs(self.rot0 - self.rot1) >= 0.03:
+                if ang > 0: self.rot0 += 0.03
+            else:
+               self.rot0 = self.rot1
+                   
+            rotate(self.rot0)
+            noFill() #stroke(0)
+            stroke(0, 0, 200, 50)
+            siz = Node.spacing * self.size_
+            rect(0, 0, siz, siz)
+            # line(-siz/2, -siz/2, siz/2, siz/2)
+            stroke(0, 100, 100)
+            arc(-siz/2, -siz/2, siz, siz, 0, HALF_PI)
+            arc(siz/2, siz/2, siz, siz,PI, PI+HALF_PI)
+
+    @classmethod                                            
+    def init_grid(cls, grid_size, border):
+        cls.border = border
+        cls.spacing = (width - cls.border * 2) / grid_size
+        cls.nodes = []
+        for x in range(grid_size):
+            for y in range(grid_size):
+                    new_node = cls(x, y)
+                    cls.nodes.append(new_node)
+
+    
+            

s287/s287.pyde

@@ -0,0 +1,60 @@
+# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
+SKETCH_NAME = "s286"  # 20181011
+OUTPUT = ".gif"
+GRID_SIZE = 10
+BORDER = 50
+trans = False
+ang = -HALF_PI
+
+from random import seed
+from random import choice
+from node import Node
+
+def setup():
+    size(500, 500)
+    strokeWeight(2)
+    rectMode(CENTER)
+    frameRate(10)
+    random_seed(101)
+    Node.init_grid(GRID_SIZE, BORDER)
+            
+def draw():
+    translate(width/2, height/2)
+    background(200)
+    
+    for node in Node.nodes:
+        node.plot(ang)
+
+    global ang            
+    if ang < TWO_PI * 2:
+        #saveFrame("###.png")
+        ang += 0.03
+        if abs(ang - TWO_PI) <= 0.03:
+            Node.send_back()
+            
+ 
+def keyPressed():
+    if key == "n":
+        Node.init_grid(GRID_SIZE, BORDER)
+    if key == "s": saveFrame("###.png")
+    
+    
+def random_seed(s=None):
+    global rnd_seed
+    if s:
+        rnd_seed = s
+        seed(rnd_seed)
+        randomSeed(rnd_seed)    
+    else:
+        seed(rnd_seed)
+        randomSeed(rnd_seed)
+    
+# print text to add to the project's README.md             
+def settings():
+    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(SKETCH_NAME, SKETCH_NAME[1:], OUTPUT)
+    )