AnimatedGameObject.kt

class AnimatedGameObject(
        private val bitmaps: List<Bitmap>,
        private val duration: Long
) {
    fun getBitmap(timeInMillis: Long): Bitmap {
        val mod = timeInMillis % duration
        val index = (mod / duration.toFloat()) * bitmaps.size
        return bitmaps[index.toInt()]
    }
}