Animation constructor
Animation({})
Implementation
Animation({
required this.name,
this.frameCount,
this.frameDuration,
required this.frameWidth,
required this.frameHeight,
this.startRow = 0,
this.maxColumns,
this.loop = true,
this.sheetKey,
this.nextAnimation,
this.paddingX = 0,
this.paddingY = 0,
this.offsetX = 0,
this.offsetY = 0,
});