import pygame, sys

pygame.init()

sc = pygame.display.set_mode((600,400))
clock = pygame.time.Clock()
FPS = 60
backCol = (50,30,80)

class Hero:

    def __init__(self,surf,color = (80,90,30)):
        self.w, self.h = 15,15
        self.x, self.y = 300,350
        self.speed = 4
        self.motion = "STOP"
        self.shot = False
        self.surf = surf
        self.color = color

    def left(self):
        self.x-=self.speed

    def right(self):
        self.x+=self.speed

    def draw(self):
        pygame.draw.rect(self.surf,self.color,(self.x,self.y,self.w,self.h))

class Bullet:
    def __init__(self,surf,x,y):
        self.x = x
        self.y = y
        self.speed = 6
        self.surf = surf
        self.color = (166,146,148)

    def fly(self):
        self.y-=self.speed

    def draw(self):
        self.form = [(self.x,self.y),(self.x-5,self.y+10),(self.x+5,self.y+10)]
        pygame.draw.polygon(self.surf,self.color,self.form)

hero = Hero(sc)
bullet = Bullet(sc,hero.x,hero.y)

while True:
    sc.fill(backCol)
    hero.draw()
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            sys.exit()
        elif event.type == pygame.KEYDOWN:
            if event.key == pygame.K_LEFT:
                hero.motion = "LEFT"
            elif event.key == pygame.K_RIGHT:
                hero.motion = "RIGHT"
            if event.key == pygame.K_SPACE:
                hero.shot = True
                bullet.x = hero.x
                bullet.y = hero.y

        elif event.type == pygame.KEYUP:
            if event.key in [pygame.K_LEFT,pygame.K_RIGHT]:
                hero.motion = "STOP"

    if hero.motion == "LEFT":
        hero.left()
    elif hero.motion == "RIGHT":
        hero.right()
    if hero.shot:
        print(hero.shot)
        bullet.draw()
        bullet.fly()
        if bullet.y < 0:
            hero.shot = False

    clock.tick(FPS)
    pygame.display.update()
    pygame.display.set_caption('FPS: %s'%(str(clock).replace('<Clock(fps=','').replace(')>','')))