def curve_branch(depth=3):
"""Branch Curve angle=22.5, step=40, circle angle=20.5, STEP=2"""
_lsystem = lsystem.LSystem('C+C', [('C', 'CC-[-C+C+C]+[-SC-C-sC]')])
_drawing = Drawing(_lsystem,
depth,
angle=22.5,
step=40,
circle_angle=20.5,
STEP=2)
_drawing.draw(0, 0, 1000, 750)
def koch(depth=3):
"""Simplest L-system example."""
_lsystem = lsystem.LSystem("F", [("F", "F-F++F-F")])
_drawing = Drawing(_lsystem,
depth,
angle=60,
step=100.0 / (depth**2.0),
colour1=(200, 50, 50),
colour2=(50, 200, 50),
circle_angle=20.5,
STEP=2,
ANGLE=5)
_drawing.draw(0, 0, 1000, 750)
def six_pointed_star(depth=3):
"""A nice 6-pointed angled star"""
_lsystem = lsystem.LSystem("F", [("F", "m[F-F++F-F]")])
_drawing = Drawing(_lsystem,
4,
angle=60,
step=50,
colour1=(200, 50, 50),
colour2=(50, 200, 50),
circle_angle=20.5,
STEP=2,
ANGLE=5)
_drawing.draw(0, 0, 1000, 750)
def doodle():
# _lsystem is basically ignored
_lsystem = lsystem.LSystem('f', [('f', 'f')])
_drawing = Drawing(_lsystem,
1,
angle=90,
step=100,
colour1=(200, 50, 50),
colour2=(50, 200, 50),
circle_angle=20.5,
STEP=2,
ANGLE=5)
# we draw this hand-written string
_drawing._draw("FF+F+FF+DF+D", _drawing._rules)
def main():
t = turtle.Turtle()
t.speed(0)
wd = turtle.Screen()
#uncomment the below line of code to make things run faster, but they won't display.
#wd.tracer(0,0)
print(
"Test # 1: The Arrowhead Curve\n######################################\n"
)
sys = lsystem.LSystem("arrowheadcurve.txt")
sys.createLSystem()
sys.drawLSystem(t)
t.clear()
t.reset()
print(
"Test # 2: The Hilbert Curve\n######################################\n"
)
sys2 = lsystem.LSystem("hilbertcurve.txt")
sys2.createLSystem()
sys2.drawLSystem(t)
t.clear()
t.reset()
print(
"Test # 3: The Dragon Curve\n######################################\n")
sys3 = lsystem.LSystem("dragoncurve.txt")
sys3.createLSystem()
sys3.drawLSystem(t)
t.clear()
t.reset()
print(
"Test # 4: The Peano-Gosper Curve\n######################################\n"
)
sys4 = lsystem.LSystem("peanogospercurve.txt")
sys4.createLSystem()
sys4.drawLSystem(t)
t.clear()
t.reset()
print(
"Test # 6: The Sierpinski Triangle Curve\n######################################\n"
)
sys5 = lsystem.LSystem("sierpinskitrianglecurve.txt")
sys5.createLSystem()
sys5.drawLSystem(t)
print(
"Test # 7: Handling File Not Found Error\n######################################\n"
)
lsystem.LSystem("not_a_real_file.txt")
wd.exitonclick()
def on_draw_button_click(self):
#Gather information for drawing
symbols = variables_frame.get_symbols()
rules = rules_frame.get_rules()
settings = settings_frame.get_settings_dict()
colors = settings_frame.get_color_palette()
#Initialize lsystem object
lsystem = lsys.LSystem(settings["axiom"], rules)
#Don't exactly know why im iterating the lsystem like this?
for _ in range(settings["iteration"]):
next(lsystem)
#Clear canvas before drawing
drawing_frame.draw_canvas.clear_canvas()
lsys.draw_lsystem(drawing_frame.draw_canvas, str(lsystem), symbols,
(settings["pos_x"], settings["pos_y"]),
settings["angle"], settings["turn_angle"],
settings["step_length"], settings["line_thickness"],
colors, settings["start_color"])
def run_lsystem():
lsystem1 = lsystem.LSystem(fullscreen=True)
lsystem1('pentaplexity', 'cross')
lsystem1('tiled_square', rotation=[0.0, -0.001])
lsystem1('sierpinski_square')
lsystem1.on_close()
import lsystem
# KOCH CURVE
v1 = lsystem.Variable("F", "F+F-F-F+F", 0, 1)
v2 = lsystem.Variable("+", "+", 90, 0)
v3 = lsystem.Variable("-", "-", -90, 0)
koch = lsystem.LSystem([v1, v2, v3], "F", [])
koch.draw("koch.ps", koch.evolve(4), width=0.5)
# SIERPINSKI
v4 = lsystem.Variable("A", "+B-A-B+", 0, 1)
v5 = lsystem.Variable("B", "-A+B+A-", 0, 1)
v6 = lsystem.Variable("+", "+", 60, 0)
v7 = lsystem.Variable("-", "-", -60, 0)
sierpinski = lsystem.LSystem([v4, v5, v6, v7], "A", [])
sierpinski.draw("sierpinski.ps",
sierpinski.evolve(6),
color=[0, 0, 1],
width=0.5)
# PYTHAGORAS TREE
v8 = lsystem.Variable("0", "1[0]0", 0, 1)
v9 = lsystem.Variable("1", "11", 0, 2)
v10 = lsystem.Variable("[", "[", 45, 0)
v11 = lsystem.Variable("]", "]", -45, 0)
def pyramid(depth=3):
"""Pyramid angle=60"""
_lsystem = lsystem.LSystem('FXF--FF--FF', [('F', 'FF'),
('X', '--FXF++FXF++FXF--')])
_drawing = Drawing(_lsystem, depth, angle=60, step=20)
_drawing.draw(0, 0, 1000, 750)
def simple_branch(depth=2):
"""draw a simple branch Branch angle=22.5"""
_lsystem = lsystem.LSystem('F', [('F', 'FF-[-F+F+F]+[+F-F-F]')])
_drawing = Drawing(_lsystem, depth, angle=22.5, step=20)
_drawing.draw(0, 0, 1000, 750)
def dragon_curve(depth=3):
"""draw a dragon curve Dragon curve angle=60"""
_lsystem = lsystem.LSystem('F', [('F', 'F-F++F-F')])
_drawing = Drawing(_lsystem, depth, angle=60, step=20)
_drawing.draw(0, 0, 1000, 750)