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main.py
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main.py
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import pygame as pg
from const import *
from support import remap
from visualizer import Visualizer
from music_player import MusicPlayer
pg.mixer.pre_init(frequency=SAMPLE_RATE)
pg.init()
screen = pg.display.set_mode(WIN_SIZE)
pg.display.set_icon(pg.image.load("assets/pg_egg.png"))
pg.display.set_caption("Easter Music Visualizer")
clock = pg.time.Clock()
visual = Visualizer()
bg_index = 0
bg_img = pg.transform.scale(
pg.image.load(f"assets/{bg_index}.png").convert(),
WIN_SIZE,
)
tint = pg.Surface(WIN_SIZE, pg.SRCALPHA)
tint.fill((0, 0, 0, 135))
def main():
global bg_index, bg_img
cd_player = None
run = True
while run:
events = pg.event.get()
for ev in events:
if ev.type == pg.QUIT or (ev.type == pg.KEYDOWN and ev.key == pg.K_ESCAPE):
run = False
elif ev.type == pg.KEYDOWN:
if ev.key == pg.K_r:
bg_index = (bg_index + 1) % 5
bg_img = pg.transform.scale(
pg.image.load(f"assets/{bg_index}.png").convert(), WIN_SIZE
)
if cd_player is not None:
if ev.key == pg.K_SPACE:
cd_player.play()
elif ev.key == pg.K_q:
cd_player.pause()
visual.clear()
visual.resize()
elif ev.type == pg.DROPFILE:
try:
was_playing = False
if cd_player is not None:
was_playing = cd_player.is_playing
cd_player.pause()
visual.clear()
visual.resize()
cd_player = MusicPlayer(pg.mixer.Sound(ev.file))
if was_playing:
cd_player.play()
except pg.error:
print("Invalid file")
screen.blit(bg_img, (0, 0))
if cd_player is not None:
cd_player.tick()
raw_amp = cd_player.get_amp_level() / 1000 if cd_player.busy() else 1
remapped_amp = remap(0, 5, 1, 2.5, raw_amp)
dt = clock.tick() / (1000 / remapped_amp)
if cd_player.busy():
visual.update(remapped_amp, dt)
scaled_bg_img = pg.transform.scale_by(
bg_img, remap(0, 5, 1, 1.1, raw_amp)
)
bg_rect = scaled_bg_img.get_rect(center=WIN_CENTER)
screen.blit(scaled_bg_img, bg_rect)
else:
clock.tick()
screen.blit(tint, (0, 0))
visual.draw(screen)
pg.display.flip()
if __name__ == "__main__":
main()