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from sfml import sf
def main(song):
window = sf.RenderWindow(sf.VideoMode(600, 600), "pySFML - Spacial Music")
window.framerate_limit = 60
# load one font, one song and two textures
try:
font = sf.Font.from_file("data/sansation.ttf")
music = sf.Music.from_file(song)
texture = sf.Texture.from_file("data/speaker.gif")
speaker = sf.Sprite(texture)
speaker.position = -texture.size // 2
texture = sf.Texture.from_file("data/head_kid.png")
hears = sf.Sprite(texture)
hears.origin = texture.size // 2
except IOError:
exit(1)
# create a text that display instructions
instructions = "Up/Down Move hears along Y axis\n"
instructions += "Left/Right Move hears along X axis\n"
instructions += "Plus/Minus Move hears along Z axis"
instructions = sf.Text(instructions, font, 12)
instructions.position = (70, 250)
instructions.color = sf.Color.BLACK
# make sure the song is monothread so it can be spacialized
if music.channel_count != 1:
print("Only sounds with one channel (mono sounds) can be spatialized.")
print("This song ({0}) has {1} channels.".format(SONG, music.channels_count))
exit(1)
# setup the music properties
music.relative_to_listener = False
music.min_distance = 200
music.attenuation = 1
# initialize some values before entering the main loop
position = sf.Vector3(-250, -250, 0)
sf.Listener.set_position(position)
x, y, _ = position
hears.position = (x, y)
running = True
# move the view to make coord (0, 0) appears on the center of the screen
window.default_view.move(-300, -300)
# start the music before entering the main loop
music.loop = True
music.play()
# start the main loop
while running:
for event in window.events:
if type(event) is sf.CloseEvent:
running = False
elif type(event) is sf.KeyEvent and event.pressed:
if event.code is sf.Keyboard.UP:
position.y -= 5
elif event.code is sf.Keyboard.DOWN:
position.y += 5
elif event.code is sf.Keyboard.LEFT:
position.x -= 5
elif event.code is sf.Keyboard.RIGHT:
position.x += 5
elif event.code is sf.Keyboard.ADD:
if position.z < 400:
position.z += 5
elif event.code is sf.Keyboard.SUBTRACT:
if position.z > -400:
position.z -= 5
# update the listener and the hears position
sf.Listener.set_position(position)
x, y, z = position
hears.position = (x, y)
hears.ratio = (1, 1) + sf.Vector2(z, z)/400.
# clear screen, draw images and text and display them
window.clear(sf.Color.WHITE)
if position.z >= 0:
window.draw(speaker)
window.draw(hears)
else:
window.draw(hears)
window.draw(speaker)
window.draw(instructions)
window.display()
window.close()
if __name__ == "__main__":
main("data/mario.flac")
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