sketch 46

README.md

@@ -8,10 +8,17 @@ If you enjoy this, make a small donation [here](https://www.paypal.com/cgi-bin/w
 
 ----
 
+![s046](s046/s046.png)
+
+046: [code](https://github.com/villares/sketch-a-day/tree/master/s046)  [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)] 
+Yet more graphs
+
+----
+
 ![s045](s045/s045.gif)
 
 045: [code](https://github.com/villares/sketch-a-day/tree/master/s045)  [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)] 
-Yer more graphs
+Yet more graphs
 
 ----
 

s046/s046.pyde

@@ -0,0 +1,123 @@
+"""
+sketch 46 180213 - Alexandre B A Villares
+https://abav.lugaralgum.com/sketch-a-day
+"""
+
+LIST = []
+SRINK = .50
+OFFSET = .25
+SIZE = 236  # base size
+SAVE_FRAME = False
+DRAW_F = rect
+
+def setup():
+    size(512 + 200, 512 + 200)
+    rectMode(CENTER)
+    colorMode(HSB)
+    strokeWeight(2)
+    LIST.append(Cell())
+
+def draw():
+    translate(width / 2, height / 2)
+    background(200)
+    for cell in LIST:
+        cell.update()
+    save_frame()  # saves frame if SAVE_FRAME is set True
+
+def keyPressed():
+    global SAVE_FRAME, DRAW_F, SRINK, OFFSET
+    if key == " ":
+        LIST[:] = [Cell()]
+        SRINK = .50
+        OFFSET = .25
+    if key == "r":
+        if DRAW_F == rect:
+            DRAW_F = ellipse
+        else:
+            DRAW_F = rect
+        SAVE_FRAME = True
+
+
+class Cell():
+
+    def __init__(self, x=0, y=0, gen=0):
+        self.LIST = []
+        self.x, self.y = x, y
+        self.gen = gen
+        self.color = color(random(0, 200), 200, 200, 200)
+
+    def s(self):  # size
+        return SIZE * (SRINK ** self.gen)
+
+    def update(self):
+        self.draw()  # draws itself
+        if keyPressed:
+                self.divide()  # will create new sub-cells
+        if not self.LIST:
+            # if no sub-cells, its a lead (para células sem sub-células)
+            # and if  mouse is pressed inside it
+            if mousePressed and self.on_mouse():
+                self.divide()  # will create new sub-cells
+            pass
+        # otherwise will recursively update sub-cells and draw a line to them
+        else:
+            for sub_cell in self.LIST:
+                sub_cell.update()
+                stroke(0)
+                line(self.x, self.y, sub_cell.x, sub_cell.y)
+
+    def draw(self):
+        noStroke()
+        fill(self.color)
+        DRAW_F(self.x, self.y, self.s(), self.s())
+        fill(0)
+        DRAW_F(self.x, self.y, 4, 4)
+ 
+        #text(str(self.gen), self.x, self.y)
+
+    def divide(self):
+        if self.gen < 6 and not keyPressed:
+            x, y = self.x, self.y
+            new_gen = self.gen + 1
+            o = self.s() * OFFSET * new_gen
+            self.LIST.append(Cell(x + o, y + o, gen=new_gen))
+            self.LIST.append(Cell(x + o, y - o, gen=new_gen))
+            self.LIST.append(Cell(x - o, y + o, gen=new_gen))
+            self.LIST.append(Cell(x - o, y - o, gen=new_gen))
+            #self.gen = new_gen
+
+    def on_mouse(self):
+        x, y = self.x + width / 2, self.y + height / 2
+        r = self.s() / 2
+        if (x - r < mouseX < x + r and
+                y - r < mouseY < y + r):
+            return True
+
+def mouseDragged():
+    global SRINK, OFFSET
+    if keyPressed and keyCode == SHIFT:
+        if mouseX < 100:
+            SRINK = map(mouseY, 0, height, 0, 1)            
+        if mouseY < 100:
+            OFFSET = map(mouseX, 0, width, 0, 1)
+    
+def mouseReleased():
+    global SAVE_FRAME
+    SAVE_FRAME = True
+
+def save_frame():
+    global SAVE_FRAME
+    if SAVE_FRAME:
+        SAVE_FRAME = False
+        saveFrame("s46-######.tga")
+        
+def seta(x1, y1, x2, y2, encurta=0, head=5):
+    d = dist(x1, y1, x2, y2)
+    with pushMatrix():
+        translate(x2, y2)
+        angle = atan2(x1 - x2, y2 - y1)
+        rotate(angle)
+        offset = -encurta * .6
+        line(0, offset, 0, -d - offset)
+        line(0, offset, -head / 2, -head + offset)
+        line(0, offset, head / 2, -head + offset)