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Adds a function to check if a key's just released #212

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Adds a function to check if a key's just released #212

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21 changes: 21 additions & 0 deletions js/rpg_core/Input.js
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Original file line number Diff line number Diff line change
Expand Up @@ -108,6 +108,7 @@ Input.clear = function() {
this._dir8 = 0;
this._preferredAxis = '';
this._date = 0;
this._isReleased = {};
};

/**
Expand All @@ -128,12 +129,32 @@ Input.update = function() {
this._latestButton = name;
this._pressedTime = 0;
this._date = Date.now();
} else if (this._previousState[name] && !this._currentState[name]) {
this._isReleased[name] = true;
} else {
this._isReleased[name] = false;
}
this._previousState[name] = this._currentState[name];
}
this._updateDirection();
};

/**
* Checks whether a key is just released.
*
* @static
* @method isTriggered
* @param {String} keyName The mapped name of the key
* @return {Boolean} True if the key is released
*/
Input.isReleased = function(keyName) {
if (this._isEscapeCompatible(keyName) && this.isTriggered('escape')) {
return true;
} else {
return !!this._isReleased[keyName];
}
};

/**
* Checks whether a key is currently pressed down.
*
Expand Down