landOnPlatform: function (player, platform) {
    if (platform.breakable) {
      interaction.breakPlatform(player, platform);
    }
    if (player.slamming) {
      player.slamming = false;
      action.shakeCamera();
    }
    if (player.jumping) {
      if (player.body.onFloor()) {
        audio.play_land();
        player.jumping = false;
      } else if (player.body.onCeiling()) {
        audio.play_sfx('head_block')
      }
    }
  },

platforms.clear(true, true);
  doors.clear(true, true);
  water.clear(true, true);
  keys.clear(true, true);
  springs.clear(true, true);
  sliders.clear(true, true);
  slider_tracks.clear(true, true);