2022-02-07 13:16:46 +03:00

113 lines
2.5 KiB
C#

using System;
using UnityEngine;
namespace HexFiled
{
[System.Serializable]
public struct HexCoordinates : IComparable<HexCoordinates> {
[SerializeField]
private int x, z;
public int X => x;
public override bool Equals(object obj)
{
if (obj == null) return false;
var coord = (HexCoordinates)obj;
return coord.X == X && coord.Y == Y && coord.Z == Z;
}
public bool Equals(HexCoordinates other)
{
return x == other.x && z == other.z;
}
public override int GetHashCode()
{
unchecked
{
return (x * 397) ^ z;
}
}
public int Z => z;
public int Y => -X - Z;
public HexCoordinates (int x, int z) {
this.x = x;
this.z = z;
}
public static HexCoordinates FromOffsetCoordinates (int x, int z) {
return new HexCoordinates(x - z / 2, z);
}
public static (int x, int z) ToOffsetCoordinates(HexCoordinates coordinates)
{
return (coordinates.X + coordinates.Z / 2, coordinates.Z);
}
public static HexCoordinates FromPosition (Vector3 position) {
float x = position.x / (HexMetrics.innerRadius * 2f);
float y = -x;
float offset = position.z / (HexMetrics.outerRadius * 3f);
x -= offset;
y -= offset;
int iX = Mathf.RoundToInt(x);
int iY = Mathf.RoundToInt(y);
int iZ = Mathf.RoundToInt(-x -y);
if (iX + iY + iZ != 0) {
float dX = Mathf.Abs(x - iX);
float dY = Mathf.Abs(y - iY);
float dZ = Mathf.Abs(-x -y - iZ);
if (dX > dY && dX > dZ) {
iX = -iY - iZ;
}
else if (dZ > dY) {
iZ = -iX - iY;
}
}
return new HexCoordinates(iX, iZ);
}
public static Vector3 ToPosition(HexCoordinates position) {
/*
position.x = (x + z * 0.5f - z / 2) * (HexMetrics.innerRadius * 2f);
position.y = 0f;
position.z = z * (HexMetrics.outerRadius * 1.5f);
*/
var hexPos = ToOffsetCoordinates(position);
Vector3 pos;
pos.x = (hexPos.x + hexPos.z * 0.5f - hexPos.z / 2) * (HexMetrics.innerRadius * 2f);
pos.y = 0f;
pos.z = hexPos.z * (HexMetrics.outerRadius * 1.5f);
return pos;
}
public override string ToString () {
return "(" +
X.ToString() + ", " + Y.ToString() + ", " + Z.ToString() + ")";
}
public string ToStringOnSeparateLines () {
return X.ToString() + "\n" + Y.ToString() + "\n" + Z.ToString();
}
public int CompareTo(HexCoordinates other)
{
var xComparison = x.CompareTo(other.X);
if (xComparison != 0) return xComparison;
return z.CompareTo(other.Z);
}
}
}