Raindow rain with python and Tkinter top view (circle expansion) with source code
Link to the gitlab source code :
https://gitlab.com/ymmx/youtube/blob/...
source code:
-*- coding: utf-8 -*-
from _future_ import print_function, absolute_import
from tkinter import *
import random
class a_drop:
def __init__(self,width, height ):
self.x=random.randint(0,width)
self.y=random.randint(0,height)
self.cv = None
self.r=0
self.a=random.randint(1,5)*1.
self.v = 1
self.color='#%02x%02x%02x' % (random.randint(0,255),random.randint(0,255),random.randint(0,255))
class MyApp(Tk):
def __init__(self):
self.nbi=0
Tk.__init__(self)
fr = Frame(self)
fr.pack()
self.canvas = Canvas(fr, height = 720, width = 1280,bg= 'gray10')
self.canvas.pack()
self.drops = []
return
def update_drops(self, ):
self.drops.append(a_drop(self.canvas.winfo_reqwidth(), self.canvas.winfo_reqheight()))
self.drops.append(a_drop(self.canvas.winfo_reqwidth(), self.canvas.winfo_reqheight()))
toremove=[]
for idx, drop_ in enumerate(self.drops):
self.drops[idx].r += self.drops[idx].v
self.drops[idx].a -= 0.05
if self.drops[idx].a ＜= 0.:
toremove.append(idx)
else:
if self.drops[idx].cv:
self.canvas.delete(self.drops[idx].cv)
self.drops[idx].cv = self.canvas.create_oval(self.drops[idx].x-self.drops[idx].r, self.drops[idx].y-self.drops[idx].r, self.drops[idx].x+self.drops[idx].r, self.drops[idx].y+self.drops[idx].r)
self.canvas.itemconfig(self.drops[idx].cv, outline=self.drops[idx].color)
self.canvas.itemconfig(self.drops[idx].cv, width=self.drops[idx].a)
for i in toremove:
self.canvas.delete(self.drops[i].cv)
self.drops.pop(i)
self.canvas.update()
return
if _name_ == "__main__":
root = MyApp()
i=0
while 1:
root.update_drops( )
root.after(1)