core/src/ru/deadsoftware/cavedroid/misc/utils/SpriteOrigin.kt

   1 package ru.deadsoftware.cavedroid.misc.utils
   2
   3 import com.badlogic.gdx.graphics.g2d.Sprite
   4
   5 /**
   6  * An origin of a [com.badlogic.gdx.graphics.g2d.Sprite]
   7  *
   8  * x and y must be between 0 and 1 in percents from sprite size
   9  */
  10 data class SpriteOrigin(
  11     val x: Float,
  12     val y: Float,
  13 ) {
  14
  15     init {
  16         assert(x in 0f..1f)
  17         assert(y in 0f..1f)
  18     }
  19
  20     fun getFlipped(flipX: Boolean, flipY: Boolean): SpriteOrigin {
  21         return SpriteOrigin(
  22             x = if (flipX) 1 - x else x,
  23             y = if (flipY) 1 - y else y,
  24         )
  25     }
  26
  27     fun applyToSprite(sprite: Sprite) {
  28         sprite.setOrigin(sprite.width * x, sprite.height * y)
  29     }
  30
  31 }