rename 04, add 05 LSystem

2020/sketch_2020_11_05_LSystem/sketch_2020_11_05_LSystem.pyde

@@ -0,0 +1,80 @@
+"""
+    Here, F means "draw forward", − means "turn right 25°",
+    and + means "turn left 25°". X does not correspond to any drawing
+    action and is used to control the evolution of the curve.]
+    The square bracket "[" corresponds to saving the current values for 
+    position and angle, which are restored when the corresponding "]" 
+    is executed.
+"""
+axioma = "X"
+regras = {"X" : "F+[[X]-X]-F[-FX]+X",
+          "F" : "FF",
+          }
+n = 6  # numero de iterações (repetições)
+angulo = radians(25)
+tam_linha = 3
+xo, yo = 450, 550  # posição inicial
+
+# OUTRA REGRA
+# axioma = "A"
+# regras = {'A': 'B-A-B',
+#           'B': 'A+B+A',
+#           }
+# n = 7  # numero de iterações (repetições)
+# angulo = radians(60)
+# tam_linha = 5
+# xo, yo = 600, 550  # posição inicial
+
+
+def setup():
+    global frase_atual
+    size(700, 700)
+    colorMode(HSB)
+    
+    frase_atual = axioma
+    for _ in range(n):
+        frase_nova = ""
+        for letra in frase_atual:
+            frase_nova += regras.get(letra, letra)
+        frase_atual = frase_nova
+
+def draw():
+    background(0)
+    translate(xo, yo)
+    desenha_frase(frase_atual)
+
+def desenha_frase(frase):
+    for i, letra in enumerate(frase):
+        if letra in "ABF": #  Tanto A como B e F andam e desenham
+            stroke((i / 100.) % 256, 255, 255)
+            line(0, 0, 0, -tam_linha)
+            translate(0, -tam_linha)
+        elif letra == "+":
+            rotate(angulo + i / 10000.)
+        elif letra == "-":
+            rotate(-angulo - i / 10000.)
+        if letra == "[":
+            pushMatrix()
+        if letra == "]":
+            popMatrix()
+            
+def keyPressed():
+    global angulo, xo, yo, tam_linha
+    if str(key) in '-z':
+        angulo -= radians(1)
+        print(degrees(angulo))
+    if str(key) in "=+a":
+        angulo += radians(1)
+        print(degrees(angulo))
+    if key == 's':
+        tam_linha *= 2
+    if key == 'x':
+        tam_linha /= 2
+    if keyCode == LEFT:
+        xo -= 25
+    if keyCode == RIGHT:
+        xo += 25
+    if keyCode == UP:
+        yo -= 25
+    if keyCode == DOWN:
+        yo += 25

README.md

@@ -26,9 +26,15 @@ Here are listed some of the tools I have been using:
 
 ---
 
-![sketch_2020_11_04__LSystem](2020/sketch_2020_11_04__LSystem/sketch_2020_11_04__LSystem.png)
+![sketch_2020_11_05_LSystem](2020/sketch_2020_11_05_LSystem/sketch_2020_11_05_LSystem.png)
 
-[sketch_2020_11_04__LSystem](https://github.com/villares/sketch-a-day/tree/master/2020/sketch_2020_11_04__LSystem) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
+[sketch_2020_11_05_LSystem](https://github.com/villares/sketch-a-day/tree/master/2020/sketch_2020_11_05_LSystem) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
+
+---
+
+![sketch_2020_11_04_LSystem](2020/sketch_2020_11_04_LSystem/sketch_2020_11_04_LSystem.png)
+
+[sketch_2020_11_04_LSystem](https://github.com/villares/sketch-a-day/tree/master/2020/sketch_2020_11_04_LSystem) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
 
 ---