import pygame
 
# Define some colors
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
GREEN = (0, 255, 0)
RED = (255,0,0)
YELLOW = (255,255,0)
 
pygame.init()
 
# Set the height and width of the screen
screen_size = [700, 400]
screen = pygame.display.set_mode(screen_size)
 
pygame.display.set_caption("Box Game")
 
# Loop until the user clicks the close button.
done = False
 
# Used to manage how fast the screen updates
clock = pygame.time.Clock()
 
# Size of the red box
redSize_x = 200
redSize_y = 200
# Position of the red box
redPos_x = (screen_size[0]-redSize_x)/2
redPos_y = (screen_size[1]-redSize_y)/2
 
# Size of the green box
greenSize_x = 50
greenSize_y = 50
# Starting position of the green box
greenPos_x = 50
greenPos_y = 50
# Speed and direction of the green box
green_change_x = 5
green_change_y = 5
 
# This is a font we use to draw text on the screen (screen_size 36)
font = pygame.font.Font(None, 36)
 

score = 0
text = font.render("Score: "+str(score), True, WHITE)
# -------- Main Program Loop -----------
while not done:
 
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            done = True
        elif event.type == pygame.MOUSEBUTTONDOWN:
            if greenPos_x >= redPos_x and greenPos_x <= redPos_x+redSize_x and greenPos_y >= redPos_y and greenPos_y <= redPos_y+redSize_y:
                score = score+5
                green_change_x = green_change_x*1.1
                green_change_y = green_change_y*1.1
                redSize_x = redSize_x * 0.98
                redSize_y = redSize_y * 0.98
                redPos_x = (screen_size[0]-redSize_x)/2
                redPos_y = (screen_size[1]-redSize_y)/2
                text = font.render("Score: "+str(score), True, GREEN)
            else:
                score = score-2
                text = font.render("Score: "+str(score), True, RED)
                
            if score <= -5:
                text = font.render("Game over", True, WHITE)
            elif score >= 50:
                text = font.render("You Win!", True, WHITE)
                
 
    # Move the rectangle starting point
    greenPos_x += green_change_x
    greenPos_y += green_change_y
 
    # Bounce the ball if needed
    if greenPos_y+greenSize_y/2 > screen_size[1] or greenPos_y-greenSize_y/2 < 0:
        green_change_y = green_change_y * -1
    if greenPos_x+greenSize_x/2 > screen_size[0] or greenPos_x-greenSize_x/2 < 0:
        green_change_x = green_change_x * -1
 
    # --- Draw the frame
    
    # Set the screen background
    screen.fill(BLACK)
    
    # Draw a red (changed to yellow) rectangle in the middle
    pygame.draw.rect(screen, YELLOW, [redPos_x,redPos_y, redSize_x, redSize_y])
    
    # Draw the green rectangle
    pygame.draw.rect(screen, GREEN, [greenPos_x-greenSize_x/2, greenPos_y-greenSize_y/2, greenSize_x, greenSize_y])
    
    # print the score
    text_rect = text.get_rect()
    text_x = screen.get_width() / 2 - text_rect.width / 2
    text_y = screen.get_height() / 2 - text_rect.height / 2
    screen.blit(text, [screen_size[0]-150, screen_size[1]-50])
 
    # Limit frames per second
    clock.tick(25)
 
    # Go ahead and update the screen with what we've drawn.
    pygame.display.flip()
 
    
# Be IDLE friendly. If you forget this line, the program will 'hang' on exit.
pygame.quit()