339

s339/cell.py

@@ -0,0 +1,77 @@
+
+class Cell():
+    # neighbours list
+    NL = ((-1, -1), (+0, -1), (+1, -1),
+          (-1, +0), (+0, +0), (+1, +0),
+          (-1, +1), (+0, +1), (+1, +1))
+    ONL = (          (+0, -1),
+           (-1, +0), (+0, +0), (+1, +0),
+                     (+0, +1))
+    DNL = ((-1, -1)          , (+1, -1),
+                     (+0, +0),  
+          (-1, +1),           (+1, +1))
+
+    def __init__(self, index, cell_size, state=False):
+        self.index = index
+        self.state = state
+        self.size_ = cell_size
+        self.mouse_down = False
+        i, j = index[0], index[1]
+        self.pos = PVector(self.size_ / 2 + i * self.size_,
+                           self.size_ / 2 + j * self.size_)
+
+    def update(self):
+        # mouse over & selection treatment
+        hs = self.size_ / 2
+        px, py = self.pos.x, self.pos.y
+        self.mouse_on = (px - hs < mouseX < px + hs and
+                         py - hs < mouseY < py + hs)
+        if self.mouse_on and mousePressed:
+            self.mouse_down = True
+        if self.mouse_down and not mousePressed:
+            self.state = not self.state
+            self.mouse_down = False
+        if self.mouse_on:
+            fill(128, 128)
+        else:
+            noFill()
+        strokeWeight(1)
+        stroke(200)
+        rect(self.pos.x, self.pos.y, self.size_, self.size_)
+
+    def plot(self, mode):
+        if self.state:
+            strokeWeight(self.size_ / 5.)
+            if mode == -1:
+                fill(0)
+                noStroke()
+                rect(self.pos.x, self.pos.y, self.size_, self.size_)
+            if mode == 0:
+                stroke(0)
+                self.draw_lines(Cell.NL)
+            elif mode == 1:
+                stroke(0, 150, 0)
+                self.draw_lines(Cell.ONL)
+            elif mode == 2:
+                stroke(0, 0, 150)
+                self.draw_lines(Cell.DNL)
+            elif mode == 3:
+                stroke(0, 150, 0)
+                self.draw_lines(Cell.ONL)
+                stroke(0, 0, 150)
+                self.draw_lines(Cell.DNL)
+            elif mode == 4:
+                stroke(0, 150, 0)
+                self.draw_lines(Cell.DNL)
+                stroke(0, 0, 150)
+                self.draw_lines(Cell.ONL)
+                
+    def draw_lines(self, nbs):
+        third = self.size_ / 3 
+        i, j = self.index[0], self.index[1]
+        for (ni, nj) in nbs:
+                nb = Cell.grid.get((i + ni, j + nj), None)
+                if nb and nb.state:
+                    line(self.pos.x + ni * third * 1.5,
+                         self.pos.y + nj * third * 1.5,
+                         self.pos.x, self.pos.y)

s339/s339.pyde

@@ -0,0 +1,54 @@
+# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
+SKETCH_NAME = "s339"  # 20181203
+OUTPUT = ".png"
+mode = 0
+
+from cell import Cell
+from random import choice
+
+CELL_SIZE = 20
+Cell.grid = dict()
+
+def setup():
+    size(500, 500)
+    rectMode(CENTER)
+    init_grid()
+
+def init_grid(func=lambda i,j: choice((True, False))):
+    w, h = width//CELL_SIZE, height//CELL_SIZE
+    for i in range(w):
+        for j in range(h):
+            Cell.grid[(i, j)] = Cell((i,j), CELL_SIZE, func(i, j))   
+            
+def draw():    
+    background(220)
+    for c in Cell.grid.values():
+        c.update()
+    for c in Cell.grid.values():
+        c.plot(mode)
+        
+def keyPressed():
+    global mode
+    if key == "s":
+        saveFrame(SKETCH_NAME + "_###.png")
+    if key in "01234567789":
+        mode = int(key)
+    if key == "-":
+        mode = -1
+    if key == " ":
+        init_grid(lambda i, j: False)
+    if key == "x":
+        init_grid(lambda i, j: (i + j) % 2 == 0)
+    if key == "r":
+        init_grid()
+
+                                            
+# 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)
+    )