import pygame as pg
import random

def make_points(N, W, H):
    points = []
    for i in range(N):
        x = random.randint(0, W)
        y = random.randint(0, H)
        points.append([x, y])
    return points

def dist(x1, y1, x2, y2):
    x = x2 - x1
    y = y2 - y1
    d = (x**2 + y**2)**(1/2)
    return d


pg.init()

W, H = 640, 480

win = pg.display.set_mode([W, H])

pg.display.set_caption("DENISOV ANDREY")

x = 100
y = 100
r = 20



x_s = 1
y_s = 1

N = 15
red_points = make_points(N, W, H)
green_points = make_points(N, W, H)

bg = pg.image.load("bg.jpg.jpg")

S = 0



while True:
    for event in pg.event.get():
        if event.type == pg.QUIT:
            break

    win.fill([255,255,255])
    pg.draw.circle(win, [255, 0, 0], (x,y), r)

    for p in green_points:
        pg.draw.circle(win, [0, 255, 0], (p[0], p[1]), 5)
        if dist(x,y,p[0],p[1]) <= r+5:
            S = S+1
            print(S)
            green_points.remove([p[0],p[1]])



    for p in red_points:
        pg.draw.circle(win, [255, 0, 0], (p[0], p[1]), 5)
        if dist(x,y,p[0],p[1]) <= r+5:
            S = S-1
            print(S)
            red_points.remove([p[0],p[1]])

    keys = pg.key.get_pressed()

    if keys[pg.K_UP] and y > 0 + r :
        y -= y_s
    if keys[pg.K_DOWN] and y < H - r :
        y+= y_s
    if keys[pg.K_LEFT] and x > 0 + r :
        x-= x_s
    if keys[pg.K_RIGHT] and x < W - r :
        x+= x_s


    pg.display.update()



pg.quit()