Add files via upload

Author: oonap0oo

julia_tkinter.py

@@ -0,0 +1,36 @@
+# Julia Fractal using only math and tkinter libraries
+from tkinter import *
+from math import *
+# parameters
+step = 1 # defines resolutuon vs speed (1: max resolution, slowest)
+screen_width = 1600; screen_height = 1000 # image size in pixels
+# make tkinter and canvas objects
+root = Tk()
+root.title("Julia Fractal using Python and Tkinter")
+canvas1 = Canvas(root, background = "black",
+ height = screen_height, width = screen_width)
+canvas1.pack()
+# calculation and plotting
+c = complex(-0.5125, 0.5213) # complex constant for julia fractal
+for x in range(0, screen_width, step):
+ re = x / (screen_width - 1) * 3.0 - 1.5
+ #re = x / (screen_width - 1) * 1.5 - 0.75 # zoomed in version
+ for y in range(0, screen_height, step):
+ im = y / (screen_height - 1) * 2.0 - 1.0
+ #im = y / (screen_height - 1) * 1.0 - 0.5 # zoomed in version
+ z = complex(re, im) # initial value for z
+ i = 0 # counter will be measure for how fast z grows
+ while abs(z) < 2.0 and i < 1024: # exit loop if |z| > 2.0 or 1024 iterations completed
+ z = z**2 + c
+ i += 1
+ i = int(sqrt(i)*8) # apply non linear scaling on i
+ r = i % 33 * 8; r = min(255, r) # calculate color comp. from i
+ g = i % 129 * 2; g = min(255, g)
+ b = i % 65 * 4; b = min(255, b)
+ col_str = f"#{r:02X}{g:02X}{b:02X}" # color in "#rrggbb" format, hex values
+ canvas1.create_rectangle(x, y, x + step, y + step,
+ fill = col_str, outline = col_str) # plot ontkinter canvas
+ if x % 50 == 0:
+ canvas1.update() # each 50 cycles show updated canvas
+# plotting finished, window shows
+mainloop()