package app

import (
	"github.com/veandco/go-sdl2/sdl"
)

func getObjectScaledRect(ow, oh, cw, ch int32) sdl.Rect {
	aspectRatio := float64(ow) / float64(oh)
	w := int32(max(min(ow, cw), cw))
	h := int32(max(min(oh, ch), ch))
	if w < h {
		h = int32(float64(w) * aspectRatio)
		return sdl.Rect{
			X: 0,
			Y: int32((ch / 2) - (h / 2)),
			W: int32(w),
			H: h,
		}
	}
	w = int32(float64(h) * aspectRatio)
	return sdl.Rect{
		X: int32((cw / 2) - (w / 2)),
		Y: 0,
		W: w,
		H: int32(h),
	}
}

func getCenteredRect(ow, oh, cw, ch int32) sdl.Rect {
	return sdl.Rect{
		X: (cw - ow) / 2,
		Y: (ch - oh) / 2,
		W: ow,
		H: oh,
	}
}