pygame-tutorial/Chapter5_FallingObjects.py at main · StudyTrigger/pygame-tutorial · GitHub

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import pygame
import random

pygame.init()

WIDTH=800
HEIGHT=600
screen=pygame.display.set_mode((WIDTH,HEIGHT))
pygame.display.set_caption("Catch the Object")

running=True
clock=pygame.time.Clock()

#Step-2 Basket Variable
player_width=100
player_height=20
player_x=350
player_y=550
player_speed=7

#Step-3 Falling Object
object_size=30
object_x=random.randint(0,770)
object_y=0
object_speed=5
object_type=random.choice(["ball","star","bomb"])

#Score
score=0
font=pygame.font.SysFont(None,36)

while running:
    screen.fill((0,0,0))

    for event in pygame.event.get():
        if event.type==pygame.QUIT:
            running=False

    #Player movement (left or right)
    keys=pygame.key.get_pressed()

    if keys[pygame.K_LEFT]:
        player_x-=player_speed

    if keys[pygame.K_RIGHT]:
        player_x+=player_speed

    #object falling
    object_y+=object_speed

    #Collision detection
    if object_y + object_size > player_y and object_x > player_x and object_x<player_x+player_width:
        object_y=0
        object_x=random.randint(0,770)

        #assign score : logic
        if object_type=="ball":
            score+=1
        elif object_type=="star":
            score+=5
        elif object_type=="bomb":
            score-=5

        object_type=random.choice(["ball","star","bomb"])

    #draw player
    pygame.draw.rect(screen, (0, 255, 0), (player_x,player_y,player_width, player_height))

    #draw object
    label_font=pygame.font.SysFont(None,20)

    if object_type=="ball":
        pygame.draw.circle(screen,(255,0,0),(object_x,object_y),15)
        text=label_font.render("+1",True, (255,255,255))
        screen.blit(text,(object_x-10,object_y-10))

    elif object_type=="star":
        pygame.draw.circle(screen,(255,255,0),(object_x,object_y),15)
        text=label_font.render("+5",True, (0,0,0))
        screen.blit(text,(object_x-10,object_y-10))

    elif object_type=="bomb":
        pygame.draw.circle(screen,(0,0,255),(object_x,object_y),15)
        text=label_font.render("-5",True, (255,0,0))
        screen.blit(text,(object_x-10,object_y-10))

    #Show score
    text=font.render(f"Score:{score}",True,(255,255,255))
    screen.blit(text,(10,10))

    pygame.display.update()

    clock.tick(60)  #fps

pygame.quit()