Create app.py

app.py

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+import pygame
+import random
+
+# Set up the display surface
+pygame.init()
+screen = pygame.display.set_mode((640, 480))
+
+# Define constants
+SCREEN_WIDTH = 640
+SCREEN_HEIGHT = 480
+BALL_SIZE = 32
+FLOOR_SIZE = SCREEN_WIDTH * BALL_SIZE // 15
+CELL_SIZE = FLOOR_SIZE - 2 # The cells on the grid have room for two balls and their tails
+PADDLE_LENGTH = CELL_SIZE // 2
+PAD_THICKNESS = 2
+PITCHES = [("C minor", (195, 0), 0)]
+PLAYERS = ["Snakerino"]
+X = Y = 0
+POWER = 0.5
+FPS = 60
+MEMORY_IN_BITS = "8k"
+SAMPLES = "4 bit mono"
+SOUND_MODEL = "opm")
+
+# Make variables global so that they can be accessed from other parts of the program
+globals().update(vars())
+
+def draw():
+    # Clear screen
+    fill(BLACK)
+    
+    # Draw border around edge of screen at bottom/top of screen
+    rect(fill=WHITE, linewidth=1, colorkey=(COLORS["default"], COLOR_NORM))
+    blit(bmp_font_small(drawtext(strftime("%d.%m %H:%M:%S"), 8)), (24*FLOOR_SIZE, FLOR_SIZE))
+        
+    # Blit background image if present
+    background = tile_group(randomized=True, transparent=False, group=BackgroundTilesWide)
+    copyrect(background[0], (4*floor_size(), floor_size()))
+
+    text = bmp_font_large(center(strftime("%A, w %c")))
+    offsetx += 1; text.left -= 1; centery = textheight / 2 + 2
+    text.right -= 1
+    scaletocover(text)
+    translate(-offsetx, -offsety)
+    blit(text)
+
+    clock = pygame.time.get_ticks() / CLOCK
+
+# Update ball's position using gravity and speed
+ball = []
+
+for i in range(num_bands):
+    y = x
+    vel = abs(vel)
+    accel = abs(accel) * grav: grav = 9.8 * METER_TO_PICKLE
+    vel = sign(vel) * max(abs(vel), BANDS * PICKEL_PER_PICKLE * abs(y))
+    y = int(round(y))
+    x = int(ceil(vel * tick_duration()))
+    ball.append([None] + [(i == 0 and x < WIDTH or i == 1 and x > 0, True, False), y])
+
+if len(ball[-2][:2]) != 0:
+    paddle = intdivision(pitches.index(player_choose()), 17)
+else:
+    paddle = 255
+pxl_blitrow(render_scrollables([ball[::-1]], xpos=(SCREEN_WIDTH // 2, 288), speed=1), paddle * floor_size(), render_scrollables([render_stills(flip_horiz(flatten_sprites(render_scrollables([ball[:2]), xpos=pixel_to_meters(FLAT_FACTOR, xpos))))]))
+copyrectcentroid(
+    flatten_sprites(render_scrollables([flatten_sprites(ball)])).itemconfigs,
+    render_scrollables(map(functools.partial(scaleimage, [0.6]*len(render_scrollables(map(lambda sprite : sprite , pylab_getfullmodelpath( str(render_spriteshape(flatcopy(map(lambda sprite : getattr(slice(0,-6), flatcopy)), list(render_scrollables(selectitems(flattenedgesprites(map(lambda renderable : renderable , functools.partial(render_composite, flattenedsprits