Cześć. Robię prostą grę w pygame według tego poradnika :https://www.youtube.com/watch?v=FfWpgLFMI7w&t=5219s. Niby wszystko dobrze, ale nie wiem co zrobić bo wyskakuje mi taki błąd :
gra.py:79: SyntaxWarning: "is" with a literal. Did you mean "=="?
if bullet_state is "ready":
gra.py:114: SyntaxWarning: "is" with a literal. Did you mean "=="?
if bullet_state is "fire":
pygame 1.9.6
Hello from the pygame community. https://www.pygame.org/contribute.html
gra.py:49: DeprecationWarning: an integer is required (got type float). Implicit conversion to integers using __int__ is deprecated, and may be removed in a future version of Python.
screen.blit(enemyImg[i], (x, y))
Traceback (most recent call last):
File "gra.py", line 117, in <module>
collision = isCollision(enemyX, enemyY, bulletX, bulletY)
File "gra.py", line 57, in isCollision
distance = math.sqrt((math.pow(enemyX - bulletX, 2)) + (math.pow(enemyY - bulletY, 2)))
TypeError: unsupported operand type(s) for -: 'list' and 'int'
Jak to naprawić?
import pygame
import random
import math
pygame.init()
screen = pygame.display.set_mode((800, 600))
pygame.display.set_caption("Kosmiczny statek")
icon = pygame.image.load("spaceship.png")
pygame.display.set_icon(icon)
background = pygame.image.load("background.png")
playerImg = pygame.image.load("player.png")
playerX = 370
playerY = 480
playerX_change = 0
enemyImg = []
enemyX = []
enemyY = []
enemyX_change = []
enemyY_change = []
num_of_enemies = 6
for i in range(num_of_enemies):
enemyImg.append(pygame.image.load("enemy.png"))
enemyX.append(random.randint(0, 736))
enemyY.append(random.randint(50, 150))
enemyX_change.append(-0.3)
enemyY_change.append(40)
bulletImg = pygame.image.load("bullet.png")
bulletX = 0
bulletY = 480
bulletX_change = 0
bulletY_change = 10
bullet_state = "ready"
score = 0
def player(x, y):
screen.blit(playerImg, (x, y))
def enemy(x, y, i):
screen.blit(enemyImg[i], (x, y))
def fire_bullet(x, y):
global bullet_state
bullet_state = "fire"
screen.blit(bulletImg,(x + 16, y + 10))
def isCollision(enemyX, enemyY, bulletX, bulletY):
distance = math.sqrt((math.pow(enemyX - bulletX, 2)) + (math.pow(enemyY - bulletY, 2)))
if distance < 27:
return True
else:
return False
running = True
while running:
screen.fill((0,0,0))
screen.blit(background, (0,0))
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
playerX_change = -5
if event.key == pygame.K_RIGHT:
playerX_change = 5
if event.key == pygame.K_SPACE:
if bullet_state == "ready":
bulletX = playerX
fire_bullet(bulletX, bulletY)
if event.type == pygame.KEYUP:
if event.key == pygame.K_LEFT or event.key == pygame.K_RIGHT:
playerX_change = 0
playerX += playerX_change
if playerX <= 0:
playerX = 0
elif playerX >= 736:
playerX = 736
for i in range(num_of_enemies):
enemyX[i] += enemyX_change[i]
if enemyX[i] <= 0:
enemyX_change[i] = 1
enemyY[i] += enemyY_change[i]
elif enemyX[i] >= 736:
enemyX_change[i] = -1
enemyY[i] += enemyY_change[i]
collision = isCollision(enemyX[i], enemyY[i], bulletX, bulletY)
if collision:
bulletY = 480
bullet_state = "ready"
score += 1
print(score)
enemyX[i] = random.randint(0, 736)
enemyY[i] = random.randint(50, 150)
enemy(enemyX[i], enemyY[i], i)
if bulletY <= 0:
bulletY = 480
bullet_state = "ready"
if bullet_state is "fire":
fire_bullet(bulletX, bulletY)
bulletY -= bulletY_change
collision = isCollision(enemyX, enemyY, bulletX, bulletY)
if collision:
bulletY = 480
bullet_state = "ready"
score += 1
print(score)
enemyX = random.randint(0, 735)
enemyY = random.randint(50, 150)
player(playerX, playerY)
pygame.display.update()