let value = 0.1;

function preload() {

  song1 = loadSound("happiness_of_marionette_omake.ogg");

  sound_effect1 = loadSound("se_umi.wav");

  image1 = loadImage("happiness_of_marionette.jpg");

​

  song2 = loadSound("hope.ogg");

  sound_effect2 = loadSound("teleport_1.wav");

  image2 = loadImage("hope_image.jpg");

​

  song3 = loadSound("rahu_goldenslaughterer.ogg");

  sound_effect3 = loadSound("clash.wav");

  image3 = loadImage("golden_slaughterer.jpg");

​

  song4 = loadSound("dread_of_the_grave.ogg");

  sound_effect4 = loadSound("thunder_3.wav");

  image4 = loadImage("dread_of_the_grave_image.jpg");

}

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  song1.setVolume(0.15);

  sound_effect1.setVolume(0.1);

  song2.setVolume(0.2);

  sound_effect2.setVolume(0.1);

  song3.setVolume(0.1);

  sound_effect3.setVolume(0.1);

  song4.setVolume(0.1);

  sound_effect4.setVolume(0.1);

}

​

function draw() {

  background(0);

  if (current_song == 1) {

    image(image1, 0, 0, windowWidth, windowHeight);

  } else if (current_song == 2) {

    image(image2, 0, 0, windowWidth, windowHeight);

  } else if (current_song == 3) {

    image(image3, 0, 0, windowWidth, windowHeight);

  } else if (current_song == 4) {

    image(image4, 0, 0, windowWidth, windowHeight);

  }

}

​

function keyPressed() {

  if (keyCode == LEFT_ARROW) {

    if (current_song > 1) {

      current_song--;

      stop_all();

      load_scene(current_song);

    } else if (current_song == 0) {

      current_song = 1;

      load_scene(current_song);

    }

  } else if (keyCode == RIGHT_ARROW) {

    if (current_song < 4 && current_song != 0) {

      current_song++;

      stop_all();

      load_scene(current_song);

    } else if (current_song == 0) {

      current_song = 4;

      load_scene(current_song);

    }

  }

  if (keyCode == UP_ARROW) {

    if (value < 0.3) {

      value += 0.05;

      if (current_song == 1) {

        song1.amp(value);

      } else if (current_song == 2) {

        song2.amp(value);

      } else if (current_song == 3) {

        song3.amp(value);

      } else if (current_song == 4) {

        song4.amp(value);

      }

    }

  } else if (keyCode == DOWN_ARROW) {

    if (value > 0) {

      value -= 0.05;

      if (current_song == 1) {

        song1.amp(value);

      } else if (current_song == 2) {

        song2.amp(value);

      } else if (current_song == 3) {

        song3.amp(value);

      } else if (current_song == 4) {

        song4.amp(value);

      }

    }

  }

}

​

function mouseClicked() {

  if (current_song == 1) {

    sound_effect1.play();

  } else if (current_song == 2) {

    sound_effect2.play();

  } else if (current_song == 3) {

    sound_effect3.play();

  } else if (current_song == 4) {

    sound_effect4.play();

  }

}

​

function load_scene(song) {

  if (song == 1) {

    song1.play();

    song1.loop();

    sound_effect1.play();

  } else if (song == 2) {

    song2.play();

    song2.loop();

    sound_effect2.play();

  } else if (song == 3) {

    song3.play();

    song3.loop();

    sound_effect3.play();

  } else if (song == 4) {

    song4.play();

    song4.loop();

    sound_effect4.play();

  }

}

​

function stop_all() {

  song1.stop();

  song2.stop();

  song3.stop();

  song4.stop();

  sound_effect1.stop();

  sound_effect2.stop();

  sound_effect3.stop();

  sound_effect4.stop();

}

​