38 lines
1.2 KiB
C#
38 lines
1.2 KiB
C#
using Godot;
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/// <summary>
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/// 测试地图层
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/// </summary>
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public partial class TestMap : TileMapLayer {
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private readonly Vector2I _highlightTileCoord = new(0, 5);
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private readonly Vector2I _vector2INegOne = new(-1, -1);
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/// <summary>
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/// 上一次高亮的单元格。用于避免不必要的更新。
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/// </summary>
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private Vector2I _lastHighlightCell;
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// Called when the node enters the scene tree for the first time.
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/// <summary>
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/// 场景加载完成时调用
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/// </summary>
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public override void _Ready() {
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// 初始化最后高亮单元格为无效值。
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_lastHighlightCell = _vector2INegOne;
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}
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/// <summary>
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/// 每帧更新。
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/// </summary>
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/// <param name="delta">距离上一帧的时间间隔。</param>
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public override void _Process(double delta) {
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var mousePos = GetLocalMousePosition();
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var cell = LocalToMap(mousePos);
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if (cell != _lastHighlightCell) {
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if (_lastHighlightCell != _vector2INegOne) EraseCell(_lastHighlightCell);
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_lastHighlightCell = cell;
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SetCell(cell, 0, _highlightTileCoord);
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}
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}
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} |