message: Fix emoji and letterSpacing bug
diff: @@ -372,7 +372,13 @@ export class Text extends Sprite
  {
  this.context.fillText(currentChar, currentPosition, y);
  }
  - currentWidth = this.context.measureText(text.substring(i + 1)).width;
  + let textStr = '';
  +
  + for (let j = i + 1; j < stringArray.length; ++j)
  + {
  + textStr += stringArray[j];
  + }
  + currentWidth = this.context.measureText(textStr).width;
  currentPosition += previousWidth - currentWidth + letterSpacing;
  previousWidth = currentWidth;
  }
  