SpriteAnimation constructor
      
      SpriteAnimation({})
     
    
    
Implementation
SpriteAnimation({
  this.numberOfTiles = 0,
  this.startFrame = 0,
  this.repeat = -1,
  this.fps = 60,
  this.duration = -1,
  this.tilesHorizontal = -1,
  this.tilesVertical = -1,
  SpriteTexture? texture
}){
  currentTile = startFrame;
  this.texture = texture ?? SpriteTexture();
}