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pong-game.py
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# Pong Game in Codeskulptor
import random
import simpleguitk
WIDTH = 600
HEIGHT = 400
BALL_RADIUS = 20
PAD_WIDTH = 8
PAD_HEIGHT = 80
HALF_PAD_WIDTH = PAD_WIDTH / 2
HALF_PAD_HEIGHT = PAD_HEIGHT / 2
LEFT = False
RIGHT = True
score1 = 0
score2 = 0
paddle1_pos = 0
paddle2_pos = 0
paddle1_vel = 0
paddle2_vel = 0
def spawn_ball(direction):
global ball_pos, ball_vel # these are vectors stored as lists
ball_pos = [WIDTH / 2, HEIGHT / 2]
if direction == RIGHT:
ball_vel = [random.randrange(120, 240) / 60, random.randrange(60, 180) / 60]
elif direction == LEFT:
ball_vel = [-random.randrange(120, 240) / 60, random.randrange(60, 180) / 60]
def reset():
global ball_pos, score1, score2
ball_pos = [WIDTH / 2, HEIGHT / 2]
score1 = 0
score2 = 0
def new_game():
global paddle1_pos, paddle2_pos, paddle1_vel, paddle2_vel
global score1, score2
reset()
spawn_ball(RIGHT)
def draw(canvas):
global paddle1_pos, paddle2_pos, ball_pos, ball_vel, paddle1_vel, paddle2_vel, BALL_RADIUS
global score1, score2
canvas.draw_line([WIDTH / 2, 0], [WIDTH / 2, HEIGHT], 1, "White")
canvas.draw_line([PAD_WIDTH, 0], [PAD_WIDTH, HEIGHT], 1, "White")
canvas.draw_line([WIDTH - PAD_WIDTH, 0], [WIDTH - PAD_WIDTH, HEIGHT], 1, "White")
ball_pos[0] += ball_vel[0]
ball_pos[1] += ball_vel[1]
if ball_pos[0] <= BALL_RADIUS + PAD_WIDTH or ball_pos[0] >= WIDTH - BALL_RADIUS - PAD_WIDTH:
ball_vel[0] = -ball_vel[0]
elif ball_pos[1] <= BALL_RADIUS + PAD_WIDTH or ball_pos[1] >= HEIGHT - BALL_RADIUS - PAD_WIDTH:
ball_vel[1] = -ball_vel[1]
canvas.draw_circle(ball_pos, BALL_RADIUS, 1, "White", "White")
paddle1_pos += paddle1_vel
paddle2_pos += paddle2_vel
if paddle1_pos <= -HEIGHT / 2 + PAD_HEIGHT / 2:
paddle1_pos = -HEIGHT / 2 + PAD_HEIGHT / 2
elif paddle1_pos >= HEIGHT / 2 - PAD_HEIGHT / 2:
paddle1_pos = HEIGHT / 2 - PAD_HEIGHT / 2
if paddle2_pos <= -HEIGHT / 2 + PAD_HEIGHT / 2:
paddle2_pos = -HEIGHT / 2 + PAD_HEIGHT / 2
elif paddle2_pos >= HEIGHT / 2 - PAD_HEIGHT / 2:
paddle2_pos = HEIGHT / 2 - PAD_HEIGHT / 2
canvas.draw_line([PAD_WIDTH / 2, paddle1_pos + HEIGHT / 2 - PAD_HEIGHT / 2],
[PAD_WIDTH / 2, paddle1_pos + PAD_HEIGHT / 2 + HEIGHT / 2], 10, "White")
canvas.draw_line([WIDTH - PAD_WIDTH / 2, paddle2_pos + HEIGHT / 2 - PAD_HEIGHT / 2],
[WIDTH - PAD_WIDTH / 2, PAD_HEIGHT / 2 + paddle2_pos + HEIGHT / 2], 10, "White")
if (ball_pos[1] <= (paddle1_pos + HEIGHT / 2 - PAD_HEIGHT / 2) or ball_pos[1] >= (
paddle1_pos + PAD_HEIGHT / 2 + HEIGHT / 2)) and ball_pos[0] == (PAD_WIDTH + BALL_RADIUS):
score2 += 1
else:
pass
if (ball_pos[1] <= (paddle2_pos + HEIGHT / 2 - PAD_HEIGHT / 2) or ball_pos[1] >= (
paddle2_pos + PAD_HEIGHT / 2 + HEIGHT / 2)) and ball_pos[0] == (WIDTH - PAD_WIDTH - BALL_RADIUS):
score1 += 1
else:
pass
canvas.draw_text(str(score1), (250, 30), 40, "White")
canvas.draw_text(str(score2), (330, 30), 40, "White")
def keydown(key):
global paddle1_vel, paddle2_vel
if key == simpleguitk.KEY_MAP["down"]:
paddle1_vel = 2
elif key == simpleguitk.KEY_MAP["up"]:
paddle1_vel = -2
if key == simpleguitk.KEY_MAP["w"]:
paddle2_vel = -2
elif key == simpleguitk.KEY_MAP["s"]:
paddle2_vel = 2
def keyup(key):
global paddle1_vel, paddle2_vel
if key == simpleguitk.KEY_MAP["down"] or key == simpleguitk.KEY_MAP["up"]:
paddle1_vel = 0
if key == simpleguitk.KEY_MAP["w"] or key == simpleguitk.KEY_MAP["s"]:
paddle2_vel = 0
frame = simpleguitk.create_frame("Pong", WIDTH, HEIGHT)
frame.set_draw_handler(draw)
frame.set_keydown_handler(keydown)
frame.set_keyup_handler(keyup)
frame.add_button("Restart", reset)
new_game()
print()
frame.start()