import pygame
from knob import *

# pygame setup
pygame.init()
screenW = 561
screenH = 325
screen = pygame.display.set_mode((screenW, screenH))

# Create and position the knobs
knobs_radius = screenW / 25
knobs_spacing = knobs_radius * 2
knobs_x = (screenW - (knobs_radius + knobs_spacing) * 2) / 2
x = knobs_x
knobs_y = (screenH - (knobs_radius + knobs_spacing) * 3) / 2
y = knobs_y
knobs = []
for i in range(8):
    knobs.append(Knob(screen, (0, 210, 200), knobs_radius, (x, y)))
    y += knobs_radius + knobs_spacing
    if i == 3 or i == 6:
        x += knobs_radius + knobs_spacing
        y = knobs_y

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

while running:
    # poll for events
    # pygame.QUIT event means the user clicked X to close your window
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False

    # fill the screen with a color to wipe away anything from last frame
    screen.fill("black")

    # RENDER YOUR GAME HERE
    for i in range(8):
        knobs[i].display()

    pygame.draw.polygon(screen, "white", [(0, screenH/2), (screenW*3/19, screenH), (0, screenH)])
    # flip() the display to put your work on screen
    pygame.display.flip()

    clock.tick(60)  # limits FPS to 60

pygame.quit()