60 lines
2.0 KiB
C#
60 lines
2.0 KiB
C#
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class MapBuildPlacer : MonoBehaviour
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{
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[Tooltip("地图SO数据")] public HomeMapSO SO_HomeMap;
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[Tooltip("坐标起始点")] public GameObject startPositionObject;
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public int cellSize = 2;
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private void Update()
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{
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// 跟随鼠标移动
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Vector3 mouse_world_position = Camera.main.ScreenToWorldPoint(Input.mousePosition);
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mouse_world_position.z = 0;
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transform.position = mouse_world_position;
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// // 计算距离最近的格子坐标
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// Vector2Int nearest = get_nearest_buildable_cell(mouse_world_position);
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// if (nearest != Vector2Int.zero)
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// {
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// // 吸附到格子位置
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// Vector3 cell_world_pos = startPositionObject.transform.position +
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// new Vector3(nearest.y, nearest.x, 0) * cellSize;
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// transform.position = cell_world_pos;
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// }
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// else
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// {
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// // 不在可建造范围内，跟随鼠标自由移动
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// transform.position = mouse_world_position;
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// }
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}
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// private Vector2Int get_nearest_buildable_cell(Vector3 mouse_pos)
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// {
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// var buildable_cells = SO_HomeMap.get_position_by_can_build();
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//
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// if (buildable_cells == null || buildable_cells.Count == 0)
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// return Vector2Int.zero;
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//
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// float min_distance = float.MaxValue;
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// Vector2Int nearest = Vector2Int.zero;
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//
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// foreach (var cell in buildable_cells)
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// {
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// Vector3 cell_world_pos = startPositionObject.transform.position +
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// new Vector3(cell.y, cell.x, 0) * cellSize;
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// float dist = Vector2.Distance(mouse_pos, cell_world_pos);
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//
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// if (dist < cellSize * 0.5f && dist < min_distance)
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// {
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// min_distance = dist;
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// nearest = cell;
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// }
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// }
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// return nearest;
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// }
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}
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