Unity给物体添加网格（Wire）绘制的方法参考

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已于 2024-09-30 08:15:53 修改 · 1.1k 阅读

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#Unity #线条绘制

于 2024-09-29 16:06:03 首次发布

先看效果：

再看代码：

using System.Collections.Generic;
using UnityEngine;

public class WireMesh : MonoBehaviour
{
	[SerializeField]
	Material material;

	void Start()
	{
		Mesh mesh = OptimizeMesh(GetComponent<MeshFilter>().mesh);

		GameObject objWire = new(gameObject.name + "_wire");
		objWire.layer = LayerMask.NameToLayer("Wire");

		Mesh meshWird = new() { vertices = mesh.vertices };
		int[] edges = GetEdges(mesh);

		meshWird.SetIndices(edges, MeshTopology.Lines, 0);
		//-------------------------------------------------------------------------------------------
		MeshFilter meshFilter = objWire.AddComponent<MeshFilter>();
		meshFilter.mesh = meshWird;
		MeshRenderer meshRenderer = objWire.AddComponent<MeshRenderer>();
		meshRenderer.material = material;
		objWire.transform.Se