core/src/ru/deadsoftware/cavedroid/game/objects/Drop.kt

   1 package ru.deadsoftware.cavedroid.game.objects
   2
   3 import com.badlogic.gdx.math.Intersector
   4 import com.badlogic.gdx.math.Rectangle
   5 import com.badlogic.gdx.math.Vector2
   6
   7 class Drop(
   8     x: Float,
   9     y: Float,
  10     val id: Int,
  11 ) : Rectangle(x, y, DROP_SIZE, DROP_SIZE) {
  12
  13     val velocity = getInitialVelocity()
  14     var pickedUp = false
  15
  16     fun canMagnetTo(rectangle: Rectangle): Boolean {
  17         val magnetArea = getMagnetArea()
  18         return Intersector.overlaps(magnetArea, rectangle)
  19     }
  20
  21     private fun getMagnetArea(): Rectangle {
  22         return Rectangle(
  23             /* x = */ x - MAGNET_DISTANCE,
  24             /* y = */ y - MAGNET_DISTANCE,
  25             /* width = */ width + MAGNET_DISTANCE * 2,
  26             /* height = */ height + MAGNET_DISTANCE * 2,
  27         )
  28     }
  29
  30     companion object {
  31         private const val MAGNET_DISTANCE = 16f
  32
  33         const val MAGNET_VELOCITY = 128f
  34         const val DROP_SIZE = 8f
  35
  36         private fun getInitialVelocity(): Vector2 = Vector2(0f, -1f)
  37     }
  38 }