Как исправить не знаю
import java.io.Serializable
class Point3D : Serializable {
@Volatile
@set:Synchronized
var x: Int = 0
@Volatile
@set:Synchronized
var y: Int = 0
@Volatile
@set:Synchronized
var z: Int = 0
constructor(pX: Int, pY: Int, pZ: Int) {
x = pX
y = pY
z = pZ
}
constructor(pX: Int, pY: Int) {
x = pX
y = pY
z = 0
}
constructor(worldPosition: Point3D) {
synchronized(worldPosition) {
x = worldPosition.x
y = worldPosition.y
z = worldPosition.z
}
}
@Synchronized
fun setTo(point: Point3D) {
synchronized(point) {
x = point.x
y = point.y
z = point.z
}
}
override fun toString(): String {
return "($x, $y, $z)"
}
override fun hashCode(): Int {
return x xor y xor z
}
@Synchronized
override fun equals(other: Any?): Boolean {
if (other is Point3D) {
val point3D = other
var ret = true;
synchronized(point3D) {
ret = point3D.x == x && point3D.y == y && point3D.z == z
}
return ret
}
return true
}
@Synchronized
fun equals(pX: Int, pY: Int, pZ: Int): Boolean {
return x == pX && y == pY && z == pZ
}
@Synchronized
fun distanceSquaredTo(point: Point3D): Long {
var dx = 0L
var dy = 0L
synchronized(point) {
dx = (x - point.x).toLong()
dy = (y - point.y).toLong()
}
return dx * dx + dy * dy
}
@Synchronized
fun setXYZ(pX: Int, pY: Int, pZ: Int) {
x = pX
y = pY
z = pZ
}
companion object {
private const val serialVersionUID = 4638345252031872576L
}
}
Простой
