я сделать класс как это:Null ссылка на объект ActionScript 3
package
{
import flash.display.Sprite;
import flash.text.TextField;
public class Hint extends Sprite
{
public static var _instance:Hint = null;
public function Hint()
{
_instance = this;
}
public function DrawHintText():void
{
Const._scoreText = new TextField();
Const._scoreTextHolder = new TextField();
Const._highScoreText = new TextField();
Const._highScoreTextHolder = new TextField();
Const._timeLeft = new TextField();
Const._timeLeftHolder = new TextField();
Const._scoreTextHolder.textColor = 0xFFFFFF;
Const._scoreTextHolder.x = stage.stageWidth - 350;
Const._scoreTextHolder.y = 100;
Const._scoreTextHolder.text = "Score: ";
Const._scoreTextHolder.selectable = false;
Const._scoreText.textColor = 0xFFFFFF;
Const._scoreText.x = stage.stageWidth - 250;
Const._scoreText.y = 100;
Const._scoreText.text = "--";
Const._scoreText.selectable = false;
Const._highScoreTextHolder.textColor = 0xFFFFFF;
Const._highScoreTextHolder.x = stage.stageWidth - 350;
Const._highScoreTextHolder.y = 150;
Const._highScoreTextHolder.text = "High Score: ";
Const._highScoreTextHolder.selectable = false;
Const._highScoreText.textColor = 0xFFFFFF;
Const._highScoreText.x = stage.stageWidth - 250;
Const._highScoreText.y = 150;
Const._highScoreText.text = "--";
Const._highScoreText.selectable = false;
Const._timeLeftHolder.textColor = 0xFF0000;
Const._timeLeftHolder.x = stage.stageWidth - 350;
Const._timeLeftHolder.y = 200;
Const._timeLeftHolder.text = "Time Left: ";
Const._timeLeftHolder.selectable = false;
Const._timeLeft.textColor = 0xFF0000;
Const._timeLeft.x = stage.stageWidth - 275;
Const._timeLeft.y = 200;
Const._timeLeft.text = "00:00";
Const._timeLeft.selectable = false;
addChild(Const._scoreText);
addChild(Const._scoreTextHolder);
addChild(Const._highScoreText);
addChild(Const._highScoreTextHolder);
addChild(Const._timeLeft);
addChild(Const._timeLeftHolder);
}
}
}
и я призвал GameManager:
package
{
import flash.display.Sprite;
import flash.events.Event;
import flash.text.TextField;
[SWF(width='1366',height='768',backgroundColor='#000000',frameRate='30')]
public class GameManager extends Sprite
{
public function GameManager():void
{
DrawHintText();
GenerateField();
ShowField();
GenerateGems();
}
private function GenerateField():void
{
Const._gridField = new Array();
for (var i:uint = 0; i < Const._gridSizeY; i++)
{
Const._gridField[i] = new Array();
for (var j:uint = 0; j < Const._gridSizeX; j++)
{
Const._gridField[i][j] = 0;
}
}
}
private function ShowField():void
{
Const._fieldSprite = new Sprite();
addChild(Const._fieldSprite);
Const._fieldSprite.graphics.lineStyle(1, 0xFFFFFF);
for (var i:uint = 0; i < Const._gridSizeY; i++)
{
for (var j:uint = 0; j < Const._gridSizeX; j++)
{
Const._fieldSprite.graphics.beginFill(0x666666);
Const._fieldSprite.graphics.drawRect(25 + 65 * j, 80 + 60 * i, 65, 60);
Const._fieldSprite.graphics.endFill();
}
}
}
private function DrawHintText():void
{
Hint._instance.DrawHintText();
}
private function GenerateGems():void
{
}
}
}
и вот Const:
package
{
import flash.display.Sprite;
import flash.text.TextField;
public class Const
{
public static var _gridField:Array;
public static var _fieldSprite:Sprite;
public static var _scoreText:TextField;
public static var _scoreTextHolder:TextField;
public static var _highScoreText:TextField;
public static var _highScoreTextHolder:TextField;
public static var _timeLeft:TextField;
public static var _timeLeftHolder:TextField;
public static const _gridSizeX:Number = 10;
public static const _gridSizeY:Number = 10;
public function Const()
{
}
}
}
когда я запустил код, я получил ошибку:
Где я могу пропустить код?
Вы вызывали 'new Hint();' перед вызовом 'DrawHintText()'? – Cherniv
нет, я не вызвал новый Hint(); , даже я назвал это, экземпляр будет непригодным – Kaoru