Unity 机器学习代理工具包 (ML-Agents) 是一个开源项目,它使游戏和模拟能够作为训练智能代理的环境。
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using System.Collections.Generic;
using UnityEngine;
namespace Unity.MLAgentsExamples
{
public class Match3Drawer : MonoBehaviour
{
public int DebugMoveIndex = -1;
static Color[] s_Colors = new[]
{
Color.red,
Color.green,
Color.blue,
Color.cyan,
Color.magenta,
Color.yellow,
Color.gray,
Color.black,
};
private static Color s_EmptyColor = new Color(0.5f, 0.5f, 0.5f, .25f);
public Dictionary<(int, int), Match3TileSelector> tilesDict = new Dictionary<(int, int), Match3TileSelector>();
public float CubeSpacing = 1.25f;
public GameObject TilePrefab;
private bool m_Initialized;
private Match3Board m_Board;
void Awake()
{
if (!m_Initialized)
{
InitializeDict();
}
}
void InitializeDict()
{
m_Board = GetComponent<Match3Board>();
foreach (var item in tilesDict)
{
if (item.Value)
{
DestroyImmediate(item.Value.gameObject);
}
}
tilesDict.Clear();
for (var i = 0; i < m_Board.Rows; i++)
{
for (var j = 0; j < m_Board.Columns; j++)
{
var go = Instantiate(TilePrefab, transform.position, Quaternion.identity, transform);
go.name = $"r{i}_c{j}";
tilesDict.Add((i, j), go.GetComponent<Match3TileSelector>());
}
}
m_Initialized = true;
}
void Update()
{
if (!m_Board)
{
m_Board = GetComponent<Match3Board>();
}
if (!m_Initialized)
{
InitializeDict();
}
for (var i = 0; i < m_Board.Rows; i++)
{
for (var j = 0; j < m_Board.Columns; j++)
{
var value = m_Board.Cells != null ? m_Board.GetCellType(i, j) : Match3Board.k_EmptyCell;
var pos = new Vector3(j, i, 0);
pos *= CubeSpacing;
var specialType = m_Board.Cells != null ? m_Board.GetSpecialType(i, j) : 0;
tilesDict[(i, j)].transform.position = transform.TransformPoint(pos);
tilesDict[(i, j)].SetActiveTile(specialType, value);
}
}
}
void OnDrawGizmos()
{
var cubeSize = .5f;
var matchedWireframeSize = .5f * (cubeSize + CubeSpacing);
if (!m_Board)
{
m_Board = GetComponent<Match3Board>();
}
for (var i = 0; i < m_Board.Rows; i++)
{
for (var j = 0; j < m_Board.Columns; j++)
{
var value = m_Board.Cells != null ? m_Board.GetCellType(i, j) : Match3Board.k_EmptyCell;
if (value >= 0 && value < s_Colors.Length)
{
Gizmos.color = s_Colors[value];
}
else
{
Gizmos.color = s_EmptyColor;
}
var pos = new Vector3(j, i, 0);
pos *= CubeSpacing;
var specialType = m_Board.Cells != null ? m_Board.GetSpecialType(i, j) : 0;
if (specialType == 2)
{
Gizmos.DrawCube(transform.TransformPoint(pos), cubeSize * new Vector3(1f, .5f, .5f));
Gizmos.DrawCube(transform.TransformPoint(pos), cubeSize * new Vector3(.5f, 1f, .5f));
Gizmos.DrawCube(transform.TransformPoint(pos), cubeSize * new Vector3(.5f, .5f, 1f));
}
else if (specialType == 1)
{
Gizmos.DrawSphere(transform.TransformPoint(pos), .5f * cubeSize);
}
else
{
Gizmos.DrawCube(transform.TransformPoint(pos), cubeSize * Vector3.one);
}
Gizmos.color = Color.yellow;
if (m_Board.Matched != null && m_Board.Matched[j, i])
{
Gizmos.DrawWireCube(transform.TransformPoint(pos), matchedWireframeSize * Vector3.one);
}
}
}
// Draw valid moves
foreach (var move in m_Board.AllMoves())
{
if (DebugMoveIndex >= 0 && move.MoveIndex != DebugMoveIndex)
{
continue;
}
if (!m_Board.IsMoveValid(move))
{
continue;
}
var (otherRow, otherCol) = move.OtherCell();
var pos = new Vector3(move.Column, move.Row, 0) * CubeSpacing;
var otherPos = new Vector3(otherCol, otherRow, 0) * CubeSpacing;
var oneQuarter = Vector3.Lerp(pos, otherPos, .25f);
var threeQuarters = Vector3.Lerp(pos, otherPos, .75f);
Gizmos.DrawLine(transform.TransformPoint(oneQuarter), transform.TransformPoint(threeQuarters));
}
}
}
}