如何将sprite画在人物之下而在地图之上？ - Project1

var MyBitmapAlias = Spriteset_Map.prototype.createCharacters;
Spriteset_Map.prototype.createCharacters = function() {
        if ($gameMap.mapId() == tankPos[0][2]){
        this.sprite = new Sprite();
        this.sprite.bitmap = ImageManager.loadCharacter('$Tank01');
        this.sprite.setFrame(32, 32, 32, 32);
        this.addChild(this.sprite);
        // get player's coordinate
        this.sprite.x = $gamePlayer.screenX() - ($gamePlayer.x - tankPos[0][0]) * 48 - 18;
        this.sprite.y = $gamePlayer.screenY() - ($gamePlayer.y - tankPos[0][1]) * 48 + 12;
        this.sprite.z = 2;
        }
    MyBitmapAlias.call(this);
};
 
var updateMyBitmap = Spriteset_Map.prototype.update;
 
Spriteset_Map.prototype.update = function() {
    //If we wanted to spin the sprite constantly we'd do it
    //here, like so.
    this.sprite.x = $gamePlayer.screenX() - ($gamePlayer._realX - tankPos[0][0]) * 48 - 18;
    this.sprite.y = $gamePlayer.screenY() - ($gamePlayer._realY - tankPos[0][1]) * 48 + 12;
    this.sprite.z = 2;
    updateMyBitmap.call(this);
};

var MyBitmapAlias = Spriteset_Map.prototype.createCharacters;


Spriteset_Map.prototype.createCharacters = function() {


        if ($gameMap.mapId() == tankPos[0][2]){


        this.sprite = new Sprite();


        this.sprite.bitmap = ImageManager.loadCharacter('$Tank01');


        this.sprite.setFrame(32, 32, 32, 32);


        this.addChild(this.sprite);


        // get player's coordinate


        this.sprite.x = $gamePlayer.screenX() - ($gamePlayer.x - tankPos[0][0]) * 48 - 18;


        this.sprite.y = $gamePlayer.screenY() - ($gamePlayer.y - tankPos[0][1]) * 48 + 12;


        this.sprite.z = 2;


        }


    MyBitmapAlias.call(this);


};


 


var updateMyBitmap = Spriteset_Map.prototype.update;


 


Spriteset_Map.prototype.update = function() {


    //If we wanted to spin the sprite constantly we'd do it


    //here, like so.


    this.sprite.x = $gamePlayer.screenX() - ($gamePlayer._realX - tankPos[0][0]) * 48 - 18;


    this.sprite.y = $gamePlayer.screenY() - ($gamePlayer._realY - tankPos[0][1]) * 48 + 12;


    this.sprite.z = 2;


    updateMyBitmap.call(this);


};