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(); 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()); } } m_Initialized = true; } void Update() { if (!m_Board) { m_Board = GetComponent(); } 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(); } 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)); } } } }