package ax

import "surdeus.su/core/gg"

type Animation []*gg.Image

type RectIndex struct {
	X, Y int
}

// The type is used
// to structurely define
// animations.
type AnimationDefine struct{
	Id AnimationID
	Indexes []RectIndex
}

// Animation define shortcut.
func AD(
	id AnimationID,
	indexes ...RectIndex,
) AnimationDefine {
	return AnimationDefine{
		Id: id,
		Indexes: indexes,
	}
}

func (ad AnimationDefine) DefRow(
	y int, xs ...int,
) AnimationDefine {
	for _, x := range xs {
		ad.Indexes = append(
			ad.Indexes,
			RectIndex{x, y},
		)
	}
	return ad
}

func (ad AnimationDefine) DefCol(
	x int, ys ...int,
) AnimationDefine {
	for _, y := range ys {
		ad.Indexes = append(
			ad.Indexes,
			RectIndex{x, y},
		)
	}
	return ad
}