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A basic game of tetris.

There is a score but numbers added to the score were randomly decided so it’s far from perfect.

Colors are easily customisable, from line 23 to line 38 you can change the rgb values (exemple : change the “x” “y” “z” values in “(x,y,z)” next to “#background” to change the background color)

How to play:

Up arrow to rotate your piece.

Left arrow and right arrow to move your piece.

Down arrow to make the piece fall faster.

Shift key to make your piece fall instantly.

Alpha to pause

Upcoming pieces are shown on the top right.

from kandinsky import fill_rect as f, draw_string as d
from ion import *
from time import monotonic
from random import randrange
st=(
# o piece
[[(0,0),(1,0),(0,1),(1,1)]],
# s piece
(((1,0),(2,0),(0,1),(1,1)),((1,-1),(1,0),(2,0),(2,1))),
# z piece
(((0,0),(1,0),(1,1),(2,1)),((2,-1),(2,0),(1,0),(1,1))),
# i piece
(((0,0),(1,0),(2,0),(3,0)),((1,-1),(1,0),(1,1),(1,2))),
# j piece
(((0,0),(1,0),(2,0),(2,1)),((1,-1),(1,0),(1,1),(0,1)),((0,-1),(0,0),(1,0),(2,0)),((1,-1),(2,-1),(1,0),(1,1))),
# l piece
(((0,1),(0,0),(1,0),(2,0)),((0,-1),(1,-1),(1,0),(1,1)),((2,-1),(2,0),(1,0),(0,0)),((1,-1),(1,0),(1,1),(2,1))),
# t piece
(((1,0),(0,1),(1,1),(2,1)),((1,0),(1,1),(2,1),(1,2)),((0,1),(1,1),(2,1),(1,2)),((1,0),(0,1),(1,1),(1,2))))
def draw(x,y,idt,stat,col):
  for c in st[idt][stat%len(st[idt])]:
    f(x+c[0]*11,y+c[1]*11,10,10,col)
def collide(coo,idt,state):
  for c in st[idt][state%len(st[idt])]:
    if 10>coo[0]+c[0]>-1 and 20>coo[1]-c[1]>-1:
      if grid[coo[1]-c[1]][coo[0]+c[0]]!=-1:
        return 1
    else:
      return 1
  return 0
def transf(x,y,r):
  global coo,state
  if not collide((x,y),id,state):
    draw(55+coo[0]*11,210-coo[1]*11,id,state,COLORS[8])
    coo=[x,y]
    state=(state+r)%len(st[id])
    draw(55+x*11,210-y*11,id,state,COLORS[id])
    return 1
COLORS=(
(180,154,50),# o piece
(130,178,49),# s piece
(179,51,58),# z piece
(50,179,131),# i piece
(81,63,166),# j piece
(181,100,51),# l piece
(166,63,156),# t piece
(31,32,33),# background
(9,9,9), # game background
(194,224,255))# text 
t=[monotonic(),monotonic()]
grid=[[-1 for _ in range(10)]for _ in range(20)]
key_pressing={"KEY_ALPHA":0,"KEY_UP":0,"KEY_SHIFT":0}
key_pressed={k:0 for k in key_pressing}
f(0,0,320,222,COLORS[7])
d("L&R:",230,30,COLORS[9],COLORS[7])
d("Move",230,46,COLORS[9],COLORS[7])
d("Down:",230,66,COLORS[9],COLORS[7])
d("Fall",230,82,COLORS[9],COLORS[7])
d("Shift:",230,102,COLORS[9],COLORS[7])
d("Hold",230,118,COLORS[9],COLORS[7])
d("Alpha:",230,138,COLORS[9],COLORS[7])
d("Pause",230,154,COLORS[9],COLORS[7])
f(0,0,54,32,COLORS[9])
f(2,2,50,28,COLORS[7])
stock=[randrange(7) for _ in range(6)]
score=0
for x in range(10):
  for y in range(20):
    f(55+x*11,1+y*11,10,10,COLORS[8])
pause=0
id=-1
hold=randrange(7)
draw(5,5,hold,0,COLORS[hold])
run=1
while run:
  for k in key_pressing:
    key_pressed[k]=0
    if keydown(globals()[k]):
      if not key_pressing[k]:
        key_pressed[k]=1
      key_pressing[k]=1
    else:
      key_pressing[k]=0
  if key_pressed["KEY_ALPHA"]:
    pause=not pause
  if not pause:
    if id==-1:
      coo=[3,19]
      id=stock[0]
      stock.pop(0)
      stock.append(randrange(7))
      state=0
      locked=0
      if not collide(coo,id,state):
        draw(55+coo[0]*11,210-coo[1]*11,id,state,COLORS[id])
        f(180,5,50,182,COLORS[7])
        for y in range(6):
          draw(180,5+y*30,stock[y],0,COLORS[stock[y]])
        d(str(score),230,0,COLORS[9],COLORS[7])
      else:
        d("you lost !",10,10,COLORS[9],COLORS[7])
        run=0
    elif monotonic()-t[0]>0.25 or (keydown(KEY_DOWN) and monotonic()-t[0]>0.035):
      t[0]=monotonic()
      if not collide((coo[0],coo[1]-1),id,state):
        transf(coo[0],coo[1]-1,0)
      else:
        score+=2
        for c in st[id][state]:
          grid[coo[1]-c[1]][coo[0]+c[0]]=id
        id=-1
        if [1 for y in range(20) if all([grid[y][x]!=-1 for x in range(10)])]:
          for y in range(19,-1,-1):
            if all([grid[y][x]!=-1 for x in range(10)]):
              del grid[y]
              grid.append([-1 for _ in range(10)])
              score+=10
          for y in range(20):
            for x in range(10):
              if grid[y][x]!=-1:
                f(x*11+55,210-(y*11),10,10,COLORS[grid[y][x]])
              else:
                f(x*11+55,210-(y*11),10,10,COLORS[8])
    elif key_pressed["KEY_UP"]:
      if not collide(coo,id,state+1):
        transf(coo[0],coo[1],1)
    elif keydown(KEY_LEFT) and monotonic()-t[1]>0.1:
      t[1]=monotonic()
      transf(coo[0]-1,coo[1],0)
    elif keydown(KEY_RIGHT) and monotonic()-t[1]>0.1:
      t[1]=monotonic()
      transf(coo[0]+1,coo[1],0)
    elif not locked and key_pressed["KEY_SHIFT"] and not collide((3,19),hold,0):
      locked=1
      draw(55+coo[0]*11,210-coo[1]*11,id,state,COLORS[8])
      f(5,5,44,22,COLORS[7])
      hold,id=id,hold
      coo=[3,19]
      state=0
      draw(5,5,hold,0,COLORS[hold])
      draw(55+coo[0]*11,210-coo[1]*11,id,state,COLORS[id])