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fibSquares.py
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fibSquares.py
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from tkinter import *
import time
squareSize = 1
squares = []
class Square:
def __init__(self,canvas,startX,startY,size, start):
self.size = squareSize * size
self.startX = startX
self.startY = startY
self.canvas = canvas
self.id = canvas.create_rectangle(startX,startY,startX+self.size,startY+self.size)
self.arc = self.canvas.create_arc(self.startX+(2*self.size),self.startY,self.startX,self.startY+(2*self.size), start = start, style = ARC)
def moveArc(self, distanceX, distanceY):
self.canvas.move(self.arc, distanceX,distanceY)
def draw():
global theStartY
global theStartX
global tk
for index, fibNum in enumerate(nums):
size = squareSize * fibNum
size = fibNum*squareSize
# time.sleep(0.5)
tk.update();
if index % 4 == 0:
theStartY = theStartY - size
square = Square(canvas, theStartX, theStartY, fibNum, 90)
squares.append(square)
elif index % 4 == 1:
startX = theStartX + nums[index-1] * squareSize
square = Square(canvas, startX, theStartY, fibNum, 0)
square.moveArc(-size,0)
squares.append(square)
elif index %4 == 2:
startY = theStartY + nums[index-1] * squareSize
square = Square(canvas,theStartX, startY,fibNum , 270)
square.moveArc(-size,-size)
squares.append(square)
else:
theStartX = theStartX - size
square = Square(canvas, theStartX,theStartY, fibNum, 180)
square.moveArc(0, -size)
squares.append(square)
def createFibSequenceUpToNum(n):
result = []
a, b = 0, 1
while b < n:
result.append(b) # see below
a, b = b, a+b
return result
def mouseScroll(event):
print("mouse Scroll")
def keyPress(event):
global squareSize
global canvas
print("Key Press", event.char)
if event.char == '+':
print("+")
squareSize = squareSize + 5
canvas.delete("all")
draw()
if event.char == '-':
print("-")
squareSize = squareSize - 5
canvas.delete("all")
draw()
print("Gimme a big 'ol Number")
num = 100
tk = Tk()
frame=Frame(tk,width=1200,height=600)
frame.grid(row=0,column=0)
canvas = Canvas(frame, width = 1200,height = 600, scrollregion=(-10000,-10000,10000,10000))
hbar=Scrollbar(frame,orient=HORIZONTAL)
hbar.pack(side=BOTTOM,fill=X)
hbar.config(command=canvas.xview)
vbar=Scrollbar(frame,orient=VERTICAL)
vbar.pack(side=RIGHT,fill=Y)
vbar.config(command=canvas.yview)
canvas.config(width=1200, height=600)
canvas.config(xscrollcommand=hbar.set, yscrollcommand=vbar.set)
canvas.pack(side=LEFT,expand=True,fill=BOTH)
canvas.bind_all("<MouseWheel>", mouseScroll)
canvas.bind_all("<KeyPress>",keyPress)
theStartX = 500
theStartY = 350
nums = createFibSequenceUpToNum(num)
draw()