import pygame

class Sprite:
    def __init__(self,x,y,filename):
        self.x=x
        self.y=y
        self.bitmap=pygame.image.load(filename)
        self.bitmap.set_colorkey((0,0,0))
    def picture(self,screen):
        screen.blit(self.bitmap,(self.x,self.y))

def move_zet(zet):
    if zet.right==True:
        zet.x+=zet.step
        if zet.x>460:
            zet.right=False
    else:
        zet.x-=zet.step
        if zet.x<0:
            zet.right=True

def move_gun_arrow(gun,arrow,event):
    if event.type==pygame.KEYDOWN:
        if event.key==pygame.K_LEFT:
            if gun.x>0:
                gun.x-=1
        if event.key==pygame.K_RIGHT:
            if gun.x<460:
                gun.x+=1
        if event.key==pygame.K_DOWN:
            if gun.y<410:
                gun.y+=1
        if event.key==pygame.K_UP:
            if gun.y>70:
                gun.y-=1
        if event.key==pygame.K_SPACE:
            if arrow.push == False:
                arrow.x=gun.x + 10
                arrow.y=gun.y - 5
                arrow.push = True
    if event.type==pygame.MOUSEMOTION:
        m=pygame.mouse.get_pos()
        pygame.mouse.set_visible(False)
        if 0<m[0]<460:
            gun.x=m[0]
        if 70<m[1]<400:
            gun.y=m[1]
    if event.type==pygame.MOUSEBUTTONDOWN:
        if event.button == 1:
            if arrow.push == False:
                arrow.x=gun.x + 10
                arrow.y=gun.y - 5
                arrow.push = True

def fly(arrow):
    if arrow.y < 0:
        arrow.push = False
        arrow.x = -40
        arrow.y = 350
    elif arrow.push == False:
        arrow.x= -40
        arrow.y= 350
    else:
        arrow.y -= 3

def log(arrow, zet):
    if abs(arrow.x - zet.x) <= 20 and abs(arrow.y - zet.y )<= 20:
        print(zet.po)
        arrow.push = False
        zet.po += 10
        zet.step *= 1.05

    elif arrow.y < 0:
        zet.po -= 1



def main():
    pygame.init()
    window=pygame.display.set_mode(( 500, 500)) # окно
    pygame.display.set_caption('Пушка')
    screen=pygame.Surface((500,450))# игровой экран
    status_bar=pygame.Surface((500,50))
    #==== создание шрифтов
    pygame.font.init()
    bar_font=pygame.font.SysFont('Arial',24,True,False)
    zet=Sprite(250,20,'hero_2.png')
    zet.right=True
    zet.po = 0
    zet.step = 1
    gun=Sprite(250,190,'hero.png')
    arrow=Sprite(-40,350,'hero_3.png')
    arrow.push = False
    pygame.key.set_repeat(1,1)
    done=True
    while done:
        for event  in pygame.event.get():
            if (event.type==pygame.QUIT):
                done = False
            move_gun_arrow(gun,arrow,event)
        screen.fill((73,101,78))
        status_bar.fill((192,207,178))
        fly(arrow)
        move_zet(zet)
        zet.picture(screen)
        arrow.picture(screen)
        gun.picture(screen)
        log(arrow,zet)
        status_bar.blit(bar_font.render('СЧЕТ: '+str(zet.po),1,(37,53,40)),(20,10))
        status_bar.blit(bar_font.render('СКОРОСТЬ: '+str(zet.step),1,(37,53,40)),(320,10))
        window.blit(screen,(0,50))
        window.blit(status_bar,(0,0))
        pygame.display.flip()
        pygame.time.delay(5)


if __name__=='__main__':
    main()
    pygame.font.quit()
    pygame.quit()