想请教一下如何制作二周目或者多周目要素 - Project1

//-----------------------------------------------------------------------------
// ConfigManager
//
// The static class that manages the configuration data.
function ConfigManager() {
throw new Error("This is a static class");
}
ConfigManager.alwaysDash = false;
ConfigManager.commandRemember = false;
ConfigManager.touchUI = true;
ConfigManager._isLoaded = false;
Object.defineProperty(ConfigManager, "bgmVolume", {
get: function() {
return AudioManager._bgmVolume;
},
set: function(value) {
AudioManager.bgmVolume = value;
},
configurable: true
});
Object.defineProperty(ConfigManager, "bgsVolume", {
get: function() {
return AudioManager.bgsVolume;
},
set: function(value) {
AudioManager.bgsVolume = value;
},
configurable: true
});
Object.defineProperty(ConfigManager, "meVolume", {
get: function() {
return AudioManager.meVolume;
},
set: function(value) {
AudioManager.meVolume = value;
},
configurable: true
});
Object.defineProperty(ConfigManager, "seVolume", {
get: function() {
return AudioManager.seVolume;
},
set: function(value) {
AudioManager.seVolume = value;
},
configurable: true
});
ConfigManager.load = function() {
StorageManager.loadObject("config")
.then(config => this.applyData(config || {}))
.catch(() => 0)
.then(() => {
this._isLoaded = true;
return 0;
})
.catch(() => 0);
};
ConfigManager.save = function() {
StorageManager.saveObject("config", this.makeData());
};
ConfigManager.isLoaded = function() {
return this._isLoaded;
};
ConfigManager.makeData = function() {
const config = {};
config.alwaysDash = this.alwaysDash;
config.commandRemember = this.commandRemember;
config.touchUI = this.touchUI;
config.bgmVolume = this.bgmVolume;
config.bgsVolume = this.bgsVolume;
config.meVolume = this.meVolume;
config.seVolume = this.seVolume;
return config;
};
ConfigManager.applyData = function(config) {
this.alwaysDash = this.readFlag(config, "alwaysDash", false);
this.commandRemember = this.readFlag(config, "commandRemember", false);
this.touchUI = this.readFlag(config, "touchUI", true);
this.bgmVolume = this.readVolume(config, "bgmVolume");
this.bgsVolume = this.readVolume(config, "bgsVolume");
this.meVolume = this.readVolume(config, "meVolume");
this.seVolume = this.readVolume(config, "seVolume");
};
ConfigManager.readFlag = function(config, name, defaultValue) {
if (name in config) {
return !!config[name];
} else {
return defaultValue;
}
};
ConfigManager.readVolume = function(config, name) {
if (name in config) {
return Number(config[name]).clamp(0, 100);
} else {
return 100;
}
};

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