41 lines
1009 B
C#
41 lines
1009 B
C#
using Godot;
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using System;
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public partial class TestMap : TileMapLayer
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{
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/// <summary>
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/// The last cell that was highlighted. Used to avoid unnecessary updates.
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/// </summary>
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private Vector2I lastHighlightCell;
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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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// Called when the node enters the scene tree for the first time.
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public override void _Ready()
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{
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// Initialize the lastHighlightCell to an invalid value.
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lastHighlightCell = vector2INegOne;
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}
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/// <summary>
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/// Called every frame.
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/// </summary>
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/// <param name="delta">the elapsed time since the previous frame.</param>
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public override void _Process(double delta)
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{
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Vector2 mousePos = GetLocalMousePosition();
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Vector2I cell = LocalToMap(mousePos);
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if (cell != lastHighlightCell)
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{
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if (lastHighlightCell != vector2INegOne)
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{
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EraseCell(lastHighlightCell);
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}
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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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}
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