Notes

#pgzero
import random

WIDTH = 600
HEIGHT = 450

TITLE = "Viaggio spaziale"
FPS = 30

# Oggetti e variabili
ship = Actor("ship", (300, 400))
space = Actor("space")
enemies = []
planets = [Actor("plan1", (random.randint(0, 600), -100)), Actor("plan2", (random.randint(0, 600), -100)), Actor("plan3", (random.randint(0, 600), -100))]
meteors = []
mode = 'menu'
type1 = Actor("ship1", (100, 200))
type2 = Actor("ship2", (300, 200))
type3 = Actor("ship3", (500, 200))

# Crea la lista di nemici
for i in range(5):
x = random.randint(0, 600)
y = random.randint(-450, -50)
enemy = Actor("enemy", (x, y))
enemy.speed = random.randint(2, 8)
enemies.append(enemy)

# Crea la lista di meteore
for i in range(5):
x = random.randint(0, 600)
y = random.randint(-450, -50)
meteor = Actor("meteor", (x, y))
meteor.speed = random.randint(2, 10)
meteors.append(meteor)

# Disegni
def draw():
# Avvio schermata di menu
if mode == 'menu':
space.draw()
screen.draw.text('Scegli la nave', center = (300, 100), color = "white", fontsize = 36)
type1.draw()
type2.draw()
type3.draw()
# Modalità di gioco
if mode == 'game':
space.draw()
planets[0].draw()
# Disegni meteore
for i in range(len(meteors)):
meteors[i].draw()
ship.draw()
# Disegni nemici
for i in range(len(enemies)):
enemies[i].draw()
# Finestra di game over
elif mode == 'end':
space.draw()
screen.draw.text("GAME OVER!", center = (300, 200), color = "white", fontsize = 36)

# Controlli
def on_mouse_move(pos):
ship.pos = pos

# Aggiungi nuovi nemici alla lista
def new_enemy():
x = random.randint(0, 400)
y = -50
enemy = Actor("enemy", (x, y))
enemy.speed = random.randint(2, 8)
enemies.append(enemy)

# Movimento dei nemici
def enemy_ship():
for i in range(len(enemies)):
if enemies[i].y < 650:
enemies[i].y = enemies[i].y + enemies[i].speed
else:
enemies.pop(i)
new_enemy()

# Movimento dei pianeti
def planet():
if planets[0].y < 550:
planets[0].y = planets[0].y + 1
else:
planets[0].y = -100
planets[0].x = random.randint(0, 600)
first = planets.pop(0)
planets.append(first)

# Movimento delle meteore
def meteorites():
for i in range(len(meteors)):
if meteors[i].y < 450:
meteors[i].y = meteors[i].y + meteors[i].speed
else:
meteors[i].x = random.randint(0, 600)
meteors[i].y = -20
meteors[i].speed = random.randint(2, 10)

# Collisioni
def collisions():
global mode
for i in range(len(enemies)):
if ship.colliderect(enemies[i]):
mode = 'end'

def update(dt):
if mode == 'game':
enemy_ship()
collisions()
planet()
meteorites()

def on_mouse_down(button, pos):
global mode, ship
if mode == 'menu' and type1.collidepoint(pos):
ship.image = "ship1"
mode = 'game'
elif mode == 'menu' and type2.collidepoint(pos):
ship.image = "ship2"
mode = 'game'
elif mode == 'menu' and type3.collidepoint(pos):
ship.image = "ship3"
mode = 'game'