# graphics practice 1
# draw x and o

from pygame import *

screen = display.set_mode((800,600))

GREEN = (0,255,0)
RED = (255,0,0)
BLUE = (0,0,255)

running = True
while running:
    for e in event.get():
        print(e)
        if e.type == QUIT:
            running = False
    
    mx,my = mouse.get_pos()
    mb = mouse.get_pressed()

    if mb[0]:
        draw.line(screen,RED,(mx+20,my+20),(mx-20,my-20),2)
        draw.line(screen,RED,(mx-20,my+20),(mx+20,my-20),2)
        
    elif mb[2]:
        draw.circle(screen,GREEN,(mx,my),20,2)

    display.flip()
quit()

# graphics practice 2
# circles in square shape upon click

from pygame import *

screen = display.set_mode((800,600))
GREEN = (0,255,0)
RED = (255,0,0)
BLUE = (0,0,255)

running = True
while running:
    for e in event.get():
        print(e)
        if e.type == QUIT:
            running = False
    
    mx,my = mouse.get_pos()
    mb = mouse.get_pressed()

    if mb[0]:
        for i in range(5):
            draw.circle(screen, GREEN, (mx - 20 + i * 10, my - 20), 4)
            draw.circle(screen, GREEN, (mx - 20 + i * 10, my + 20), 4)
            draw.circle(screen, GREEN, (mx - 20, my - 20 + i * 10), 4)
            draw.circle(screen, GREEN, (mx + 20, my - 20 + i * 10), 4)

    display.flip()
quit()

# graphics practice 3
# fill screen with diagonal lines in opposite directions

from pygame import *

screen = display.set_mode((800,600))
RED = (255,0,0)
GREEN = (0,255,0)
BLUE = (0, 255, 0)

running = True
while running:
    # event loop
    for e in event.get():
        if e.type == QUIT:
            running = False
    #-----------------------------------------

    for i in range(-600,800,10):
        draw.line(screen, GREEN, (i,0), (600 + i, 600))
        draw.line(screen, GREEN, (i,600), (600 + i, 0))
    #----------------------------------------
    display.flip()
quit()

# graphics practice 4
# lines crossing eachother across screen

from pygame import *

screen = display.set_mode((800,600))

GREEN = (0,255,0)
RED = (255,0,0)
BLUE = (0,0,255)

running = True
while running:
    for e in event.get():
        print(e)
        if e.type == QUIT:
            running = False
    
    mx,my = mouse.get_pos()
    mb = mouse.get_pressed()

    
    
    screen.fill((0,0,0))
    draw.line(screen, GREEN, (0,my ), (800,my))
    draw.line(screen, GREEN, (mx,0), (mx,600))

    display.flip()
quit()

# graphics practice 5
# lines in random colours upon press

from pygame import *
from random import *

screen = display.set_mode((800,600))

GREEN = (0,255,0)
RED = (255,0,0)
BLUE = (0,0,255)

running = True
while running:
    for e in event.get():
        print(e)
        if e.type == QUIT:
            running = False
    
    mx,my = mouse.get_pos()
    mb = mouse.get_pressed()

    col = (randint(0,255)),(randint(0,255)),(randint(0,255))
    if mb[0]:
        draw.line(screen,col, (mx,my),(800,600))
        draw.line(screen,col, (mx,my),(800,0))
        draw.line(screen,col, (mx,my),(0,600))
        draw.line(screen,col, (mx,my),(0,0))

    display.flip()
quit()

# greaphics practice 6
# maze thing

from pygame import *

screen = display.set_mode((800,600))
RED = (255,0,0)
GREEN = (0,255,0)
BLUE = (0, 255, 0)

mouse.set_visible(False)
running = True

while running:
    # event loop
    for e in event.get():
        if e.type == QUIT:
            running = False

    for off in range(0, 300, 10):
   
        draw.line(screen, GREEN, (400 - off, 300 + off), (400 - off, 300 - off))
        draw.line(screen, GREEN, (400 + off, 300 - off), (400+off, 300 + off))
        draw.line(screen, GREEN, (400 - off, 300 + off), (400 + off, 300 + off))
        draw.line(screen, GREEN, (400 + off, 300 - off), (400 - off, 300 - off))

    display.flip()  

quit()

# graphics pratice 7
from pygame import *
from random import *

screen = display.set_mode((800,600))
RED = (255, 0, 0)
GREEN = (0, 255, 0)

running = True
while running:
    # event loop
    for e in event.get():
        if e.type == QUIT:
            running = False

    mx, my = mouse.get_pos() 
    mb = mouse.get_pressed()
    
    for x in range(0, 800, 10):
        cy = 0.004 * (x - 400) ** 2 + 100
        for y in range(int(cy), 600, 10):
            draw.circle(screen, GREEN, (x,y), 4)
        
    display.flip()
quit()

# graphics practice 8
# lines in random colours upon press

from pygame import *
from random import *

screen = display.set_mode((800,600))

GREEN = (0,255,0)
RED = (255,0,0)
BLUE = (0,0,255)

running = True
while running:
    for e in event.get():
        print(e)
        if e.type == QUIT:
            running = False
    
    mx,my = mouse.get_pos()
    mb = mouse.get_pressed()

    col = (randint(0,255)),(randint(0,255)),(randint(0,255))
    if mb[0]:
        if mx > 400 and my > 300:
            draw.line(screen,col, (mx,my),(800,600))
        elif mx  > 400 and my < 300:
            draw.line(screen,col, (mx,my),(800,0))
        elif mx < 400 and my > 300:
            draw.line(screen,col, (mx,my),(0,600))
        elif mx < 400 and my < 300:
            draw.line(screen,col, (mx,my),(0,0))

    display.flip()
quit()

#graphics practice 9

from pygame import *
from math import *

'''
d = hypot(x2-x1, y2-y1)
d = dist((x1, y1), (x2, y2))
d = sqrt((x2-x1)**2 + (y2 - y1)**2)
'''

screen = display.set_mode((800,600))
RED = (255,0,0)
GREEN = (0,255,0)
BLUE = (0, 255, 0)

running = True
while running:
    for e in event.get():
        if e.type == QUIT:
            running = False
            
    mx,my= mouse.get_pos()
    mb = mouse.get_pressed()
            
    if mb[0]:   

        col = (randint(0,255),randint(0,255),randint(0,255))
        d = hypot(400-mx, 300-my)/ 8

        draw.circle(screen,(screen,col,(mx,my), d)
        
    if mb[2]:
        screen.fill((0,0,0))

   

    display.flip()
quit()

# graphics 10
from pygame import *

screen = display.set_mode((1000,800))
RED = (255, 0, 0)
GREEN = (0, 255, 0)

running = True
while running:
    # event loop
    for e in event.get():
        if e.type == QUIT:
            running = False

    mx, my = mouse.get_pos() 
    mb = mouse.get_pressed()
    
    screen.fill(0)
    for i in range(11):
        draw.line(screen, GREEN, (i*100, 0), (mx-50+i*10, my-50))
        draw.line(screen, GREEN, (i*100, 800), (mx-50+i*10, my+50))
        draw.line(screen, GREEN, (0, i*80), (mx-50, my-50+i*10))
        draw.line(screen, GREEN, (1000, i*80), (mx+50, my-50+i*10))
        
    display.flip()
quit()