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pong.py
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import time
import random
import logging
from launchgame import LaunchGame
class Pong(LaunchGame):
"""Basic implementation of Pong."""
def __init__(self):
super().__init__("Pong", 2, has_high_score=False, cumulative_score=True)
self.reset()
def new_ball(self):
"""Resets the ball to the center of the board and gives it a random direction."""
self.ball = [random.randint(3, 4), random.randint(3, 4)]
self.ball_dir = [random.choice([-1, 1]), random.choice([-1, 1])]
def reset(self):
super().reset()
self.timer = 0
self.elapsed_time = 0
self.x1 = 4
self.x2 = 4
self.new_ball()
def paint_win_point(self, ball_x, ball_y):
"""Custom animation for when a player scores a point."""
direction = -1 if ball_y > 4 else 1
for i in range(0, 14):
for j in range(0, 2):
self.lp.LedCtrlXY(ball_x + j, (ball_y + i * direction), 0, 0)
self.lp.LedCtrlXY(
ball_x + j,
(ball_y + i * direction) - direction,
(i % 4),
((i + 1) % 4),
)
self.lp.LedCtrlXY(
ball_x + j,
(ball_y + i * direction) - 2 * direction,
(i % 4),
((i + 1) % 4),
)
self.lp.LedCtrlXY(
ball_x + j,
(ball_y + i * direction) - 3 * direction,
(i % 4),
((i + 1) % 4),
)
time.sleep(0.08)
self.lp.LedAllOn(0)
self.prev_state = set()
self.next_state = set()
def step(self, evt, delta):
# CONTROLS
if evt != [] and evt[0][2] > 0:
if (evt[0][1] <= 115 and evt[0][1] >= 112) and self.x1 > 1:
self.x1 -= 1
elif evt[0][1] > 115 and self.x1 < 6:
self.x1 += 1
elif evt[0][1] < 4 and self.x2 > 1:
self.x2 -= 1
elif evt[0][1] >= 4 and evt[0][1] < 8 and self.x2 < 6:
self.x2 += 1
if self.scores[0] >= 8 or self.scores[1] >= 8:
self.game_over = True
logging.info(
"Game over! Player 1: "
+ str(self.scores[0])
+ " Player 2: "
+ str(self.scores[1])
)
return
# make it proportional to elapsed time
self.timer += delta
if self.timer > 50000000 / (self.elapsed_time / 10 + 1):
self.timer = 0
if self.elapsed_time > 4:
self.ball[0] += self.ball_dir[0]
self.ball[1] += self.ball_dir[1]
if self.ball[1] == 0 and abs(self.ball[0] - self.x2) <= 1:
new_pos = [
self.ball[0] - self.ball_dir[0],
self.ball[1] - self.ball_dir[1],
]
self.ball_dir[1] *= -1
self.ball_dir[0] *= (
self.ball[0] - self.x2 if self.x2 - self.ball[0] != 0 else 1
)
self.ball = new_pos
self.ball[0] += self.ball_dir[0]
self.ball[1] += self.ball_dir[1]
elif self.ball[1] == 7 and abs(self.ball[0] - self.x1) <= 1:
new_pos = [
self.ball[0] - self.ball_dir[0],
self.ball[1] - self.ball_dir[1],
]
self.ball_dir[1] *= -1
self.ball_dir[0] *= (
self.ball[0] - self.x1 if self.x1 - self.ball[0] != 0 else 1
)
self.ball = new_pos
self.ball[0] += self.ball_dir[0]
self.ball[1] += self.ball_dir[1]
elif self.ball[0] <= 0:
self.ball[0] = 0
self.ball_dir[0] *= -1
elif self.ball[0] >= 7:
self.ball[0] = 7
self.ball_dir[0] *= -1
elif self.ball[1] <= -1:
logging.info("Player 2 scored!")
self.paint_win_point(self.ball[0], self.ball[1])
self.increase_score(1, 1)
self.new_ball()
self.elapsed_time = 0
elif self.ball[1] >= 8:
logging.info("Player 1 scored!")
self.paint_win_point(self.ball[0], self.ball[1])
self.increase_score(1, 0)
self.new_ball()
self.elapsed_time = 0
elif random.randint(0, 1000) == 0:
self.ball_dir[0] += random.choice([-1, 1])
self.ball_dir[1] += random.choice([-1, 1])
self.elapsed_time += 1
if self.elapsed_time > 4 or (self.elapsed_time % 2 == 1):
self.paint_next(self.ball[0], self.ball[1], 3, 3)
self.paint_next(self.x1, 7, 0, 3)
self.paint_next(self.x1 - 1, 7, 0, 3)
self.paint_next(self.x1 + 1, 7, 0, 3)
self.paint_next(self.x2, 0, 3, 0)
self.paint_next(self.x2 - 1, 0, 3, 0)
self.paint_next(self.x2 + 1, 0, 3, 0)
game = Pong()
game.run()