106 lines
2.9 KiB
C#
106 lines
2.9 KiB
C#
using System;
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using Runtime.Controller;
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using Runtime.Data;
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using UnityEngine;
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using UnityEngine.UI;
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using Object = UnityEngine.Object;
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namespace HexFiled
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{
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public class HexGrid : IInitialization, IExecute {
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private int _width;
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private int _height;
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private Color _defaultColor = Color.white;
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private Color _touchedColor = Color.magenta;
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private HexCell _cellPrefab;
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private Text _cellLabelPrefab;
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private Camera _camera;
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private HexCell[] _cells;
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private Canvas _gridCanvas;
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private HexMesh _hexMesh;
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private GameObject _baseGameObject;
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public Action OnHexPainted;
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public HexGrid(FieldData fieldData)
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{
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_width = fieldData.width;
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_height = fieldData.height;
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_defaultColor = fieldData.defaultColor;
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_touchedColor = fieldData.touchedColor;
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_cellPrefab = fieldData.cellPrefab;
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_cellLabelPrefab = fieldData.cellLabelPrefab;
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_camera = Camera.main;
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_baseGameObject = new GameObject("HexGrid");
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_gridCanvas = Object.Instantiate(fieldData.CoordinatesCanvas, _baseGameObject.transform).GetComponent<Canvas>();
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_hexMesh = Object.Instantiate(fieldData.HexMeshPrefab, _baseGameObject.transform).GetComponent<HexMesh>();
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}
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void HandleInput () {
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Ray inputRay = _camera.ScreenPointToRay(Input.mousePosition);
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RaycastHit hit;
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if (Physics.Raycast(inputRay, out hit)) {
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TouchCell(hit.point);
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}
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}
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public void AddColorChangeListener(Action onColorChange)
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{
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}
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void TouchCell (Vector3 position) {
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position = _baseGameObject.transform.InverseTransformPoint(position);
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HexCoordinates coordinates = HexCoordinates.FromPosition(position);
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PaintHex(_touchedColor, coordinates);
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}
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private void PaintHex(Color color, HexCoordinates coordinates)
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{
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int index = coordinates.X + coordinates.Z * _width + coordinates.Z / 2;
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HexCell cell = _cells[index];
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cell.color = _touchedColor;
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_hexMesh.Triangulate(_cells);
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OnHexPainted.Invoke();
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}
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void CreateCell (int x, int z, int i) {
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Vector3 position;
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position.x = (x + z * 0.5f - z / 2) * (HexMetrics.innerRadius * 2f);
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position.y = 0f;
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position.z = z * (HexMetrics.outerRadius * 1.5f);
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HexCell cell = _cells[i] = Object.Instantiate<HexCell>(_cellPrefab);
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cell.transform.SetParent(_baseGameObject.transform, false);
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cell.transform.localPosition = position;
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cell.coordinates = HexCoordinates.FromOffsetCoordinates(x, z);
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cell.color = _defaultColor;
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Text label = Object.Instantiate<Text>(_cellLabelPrefab, _gridCanvas.transform, false);
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label.rectTransform.anchoredPosition =
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new Vector2(position.x, position.z);
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label.text = cell.coordinates.ToStringOnSeparateLines();
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}
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public void Init()
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{
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_cells = new HexCell[_height * _width];
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for (int z = 0, i = 0; z < _height; z++) {
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for (int x = 0; x < _width; x++) {
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CreateCell(x, z, i++);
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}
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}
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_hexMesh.Triangulate(_cells);
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}
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public void Execute()
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{
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if (Input.GetMouseButton(0)) {
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HandleInput();
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}
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}
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}
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} |