import pygame
import random
"""
10 x 20 square grid
shapes: S, Z, I, O, J, L, T
represented in order by 0 - 6
"""
pygame.font.init()
# GLOBALS VARS
s_width = 800
s_height = 700
play_width = 300 # meaning 300 // 10 = 30 width per block
play_height = 600 # meaning 600 // 20 = 20 height per blo ck
block_size = 30
top_left_x = (s_width - play_width) // 2
top_left_y = s_height - play_height
# SHAPE FORMATS
S = [['.....',
'.....',
'..00.',
'.00..',
'.....'],
['.....',
'..0..',
'..00.',
'...0.',
'.....']]
Z = [['.....',
'.....',
'.00..',
'..00.',
'.....'],
['.....',
'..0..',
'.00..',
'.0...',
'.....']]
I = [['..0..',
'..0..',
'..0..',
'..0..',
'.....'],
['.....',
'0000.',
'.....',
'.....',
'.....']]
O = [['.....',
'.....',
'.00..',
'.00..',
'.....']]
J = [['.....',
'.0...',
'.000.',
'.....',
'.....'],
['.....',
'..00.',
'..0..',
'..0..',
'.....'],
['.....',
'.....',
'.000.',
'...0.',
'.....'],
['.....',
'..0..',
'..0..',
'.00..',
'.....']]
L = [['.....',
'...0.',
'.000.',
'.....',
'.....'],
['.....',
'..0..',
'..0..',
'..00.',
'.....'],
['.....',
'.....',
'.000.',
'.0...',
'.....'],
['.....',
'.00..',
'..0..',
'..0..',
'.....']]
T = [['.....',
'..0..',
'.000.',
'.....',
'.....'],
['.....',
'..0..',
'..00.',
'..0..',
'.....'],
['.....',
'.....',
'.000.',
'..0..',
'.....'],
['.....',
'..0..',
'.00..',
'..0..',
'.....']]
shapes = [S, Z, I, O, J, L, T]
shape_colors = [(0, 255, 0), (255, 0, 0), (0, 255, 255), (255, 255, 0), (255, 165, 0), (0, 0, 255), (128, 0, 128)]
# index 0 - 6 represent shape
class Piece(object):
rows = 20 # y
columns = 10 # x
def __init__(self, column, row, shape):
self.x = column
self.y = row
self.shape = shape
self.color = shape_colors[shapes.index(shape)]
self.rotation = 0 # number from 0-3
def create_grid(locked_positions={}):
grid = [[(0,0,0) for x in range(10)] for x in range(20)]
for i in range(len(grid)):
for j in range(len(grid[i])):
if (j,i) in locked_positions:
c = locked_positions[(j,i)]
grid[i][j] = c
return grid
def convert_shape_format(shape):
positions = []
format = shape.shape[shape.rotation % len(shape.shape)]
for i, line in enumerate(format):
row = list(line)
for j, column in enumerate(row):
if column == '0':
positions.append((shape.x + j, shape.y + i))
for i, pos in enumerate(positions):
positions[i] = (pos[0] - 2, pos[1] - 4)
return positions
def valid_space(shape, grid):
accepted_positions = [[(j, i) for j in range(10) if grid[i][j] == (0,0,0)] for i in range(20)]
accepted_positions = [j for sub in accepted_positions for j in sub]
formatted = convert_shape_format(shape)
for pos in formatted:
if pos not in accepted_positions:
if pos[1] > -1:
return False
return True
def check_lost(positions):
for pos in positions:
x, y = pos
if y < 1:
return True
return False
def get_shape():
global shapes, shape_colors
return Piece(5, 0, random.choice(shapes))
def draw_text_middle(text, size, color, surface):
font = pygame.font.SysFont('comicsans', size, bold=True)
label = font.render(text, 1, color)
surface.blit(label, (top_left_x + play_width/2 - (label.get_width() / 2), top_left_y + play_height/2 - label.get_height()/2))
def draw_grid(surface, row, col):
sx = top_left_x
sy = top_left_y
for i in range(row):
pygame.draw.line(surface, (128,128,128), (sx, sy+ i*30), (sx + play_width, sy + i * 30)) # horizontal lines
for j in range(col):
pygame.draw.line(surface, (128,128,128), (sx + j * 30, sy), (sx + j * 30, sy + play_height)) # vertical lines
def clear_rows(grid, locked):
# need to see if row is clear the shift every other row above down one
inc = 0
for i in range(len(grid)-1,-1,-1):
row = grid[i]
if (0, 0, 0) not in row:
inc += 1
# add positions to remove from locked
ind = i
for j in range(len(row)):
try:
del locked[(j, i)]
except:
continue
if inc > 0:
for key in sorted(list(locked), key=lambda x: x[1])[::-1]:
x, y = key
if y < ind:
newKey = (x, y + inc)
locked[newKey] = locked.pop(key)
### Draw Next Shape##
def draw_next_shape(shape, surface):
font = pygame.font.SysFont('comicsans', 30)
label = font.render('Next Shape', 1, (255,255,255))
sx = top_left_x + play_width + 50
sy = top_left_y + play_height/2 - 100
format = shape.shape[shape.rotation % len(shape.shape)]
for i, line in enumerate(format):
row = list(line)
for j, column in enumerate(row):
if column == '0':
pygame.draw.rect(surface, shape.color, (sx + j*30, sy + i*30, 30, 30), 0)
surface.blit(label, (sx + 10, sy- 30))
def draw_window(surface):
surface.fill((0,0,0))
# Tetris Title
font = pygame.font.SysFont('comicsans', 60)
label = font.render('TETRIS', 1, (255,255,255))
surface.blit(label, (top_left_x + play_width / 2 - (label.get_width() / 2), 30))
for i in range(len(grid)):
for j in range(len(grid[i])):
pygame.draw.rect(surface, grid[i][j], (top_left_x + j* 30, top_left_y + i * 30, 30, 30), 0)
# draw grid and border
draw_grid(surface, 20, 10)
pygame.draw.rect(surface, (255, 0, 0), (top_left_x, top_left_y, play_width, play_height), 5)
# pygame.display.update()
def main():
global grid
locked_positions = {} # (x,y):(255,0,0)
grid = create_grid(locked_positions)
change_piece = False
run = True
current_piece = get_shape()
next_piece = get_shape()
clock = pygame.time.Clock()
fall_time = 0
while run:
fall_speed = 0.27
grid = create_grid(locked_positions)
fall_time += clock.get_rawtime()
clock.tick()
# PIECE FALLING CODE
if fall_time/1000 >= fall_speed:
fall_time = 0
current_piece.y += 1
if not (valid_space(current_piece, grid)) and current_piece.y > 0:
current_piece.y -= 1
change_piece = True
for event in pygame.event.get():
if event.type == pygame.QUIT:
run = False
pygame.display.quit()
quit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
current_piece.x -= 1
if not valid_space(current_piece, grid):
current_piece.x += 1
elif event.key == pygame.K_RIGHT:
current_piece.x += 1
if not valid_space(current_piece, grid):
current_piece.x -= 1
elif event.key == pygame.K_UP:
# rotate shape
current_piece.rotation = current_piece.rotation + 1 % len(current_piece.shape)
if not valid_space(current_piece, grid):
current_piece.rotation = current_piece.rotation - 1 % len(current_piece.shape)
if event.key == pygame.K_DOWN:
# move shape down
current_piece.y += 1
if not valid_space(current_piece, grid):
current_piece.y -= 1
if event.key == pygame.K_SPACE:
while valid_space(current_piece, grid):
current_piece.y += 1
current_piece.y -= 1
print(convert_shape_format(current_piece))
shape_pos = convert_shape_format(current_piece)
# add piece to the grid for drawing
for i in range(len(shape_pos)):
x, y = shape_pos[i]
if y > -1:
grid[y][x] = current_piece.color
# IF PIECE HIT GROUND
if change_piece:
for pos in shape_pos:
p = (pos[0], pos[1])
locked_positions[p] = current_piece.color
current_piece = next_piece
next_piece = get_shape()
change_piece = False
# call four times to check for multiple clear rows
clear_rows(grid, locked_positions)
draw_window(win)
draw_next_shape(next_piece, win)
pygame.display.update()
# Check if user lost
if check_lost(locked_positions):
run = False
draw_text_middle("You Lost", 40, (255,255,255), win)
pygame.display.update()
pygame.time.delay(2000)
def main_menu():
run = True
while run:
win.fill((0,0,0))
draw_text_middle('Press any key to begin.', 60, (255, 255, 255), win)
pygame.display.update()
for event in pygame.event.get():
if event.type == pygame.QUIT:
run = False
if event.type == pygame.KEYDOWN:
main()
pygame.quit()
win = pygame.display.set_mode((s_width, s_height))
pygame.display.set_caption('Tetris')
main_menu() # start game
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