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• Calculator

Touche Ok pour changer la valeur d’un des champs (minimum, maximum, calcul).

from math import *
from kandinsky import *
from time import *
from ion import *

try:
  draw_line(0,0,0,0,(0,0,0))
except:
  def draw_line(x1,y1,x2,y2,c):
    width=x2-x1
    height=y2-y1
    if abs(width)>=abs(height):
      div=height/width
      for i in range(0,width,(width>0)*2-1):
        set_pixel(x1+i,y1+int(div*i),c)
    else:
      div=width/height
      for i in range(0,height,(height>0)*2-1):
        set_pixel(x1+int(div*i),y1+i,c)


COLOR=(0,)*3
B_COLOR=(255,255,255)

POINTS=[(40,91),(20,91),(30,111,),(20,131),(40,131)]

max=6
start=0
formule="2*i+1"
solution={
#(max,start,formule):49,
}
cursor=0

def draw_all():
  fill_rect(0,0,320,222,B_COLOR)
  back_color=[B_COLOR,]*3
  back_color[cursor]=(200,200,0)

  for i in range(4):
    draw_line(POINTS[i][0],POINTS[i][1],POINTS[i+1][0],POINTS[i+1][1],COLOR)

  draw_string(str(max),20,73,COLOR,back_color[0])
  draw_string(formule,40,101,COLOR,back_color[1])
  draw_string("i={}".format(start),20,132,COLOR,back_color[2])

  exe()
  draw_string("="+str(solution[(start,max,formule)]),40+len(formule)*10,101,COLOR,B_COLOR)

def exe():
  global solution
  if (start,max,formule) in solution.keys():
    return
  somme=0
  for i in range(start,max+1):
    somme+=eval(formule.replace("i",str(i)))
  solution[(start,max,formule)]=somme


while keydown(KEY_OK):
  pass

draw_all()

while True:
  if keydown(1) or keydown(2) or keydown(KEY_OK) or keydown(KEY_EXE):
    if keydown(1):
      cursor+=-1
    if keydown(2):
      cursor+=1
    elif keydown(KEY_OK) or keydown(KEY_EXE):
      if cursor==0:
        max=int(input("max : "))
      elif cursor==1:
        formule=input("formule : ")
      elif cursor==2:
        start=int(input("debut : "))
    cursor%=3
    draw_all()
  sleep(0.1)