80 lines
1.7 KiB
C#
80 lines
1.7 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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[RequireComponent(typeof(MeshFilter))]
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public class AdvancedMesh : MonoBehaviour
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{
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Mesh mesh;
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Vector3[] vertices;
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int[] triangles;
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[SerializeField] public int xSize = 200;
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[SerializeField] public int ySize = 200;
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void Start()
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{
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mesh = new Mesh();
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GetComponent<MeshFilter>().mesh = mesh;
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CreateShape();
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UpdateMesh();
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}
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void CreateShape()
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{
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vertices = new Vector3[(xSize + 1) * (ySize + 1)];
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for (int i = 0, y = 0; y <= ySize; y++)
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{
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for (int x = 0; x <= xSize; x++)
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{
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vertices[i] = new Vector3(x, y, 0);
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i++;
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}
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}
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triangles = new int[xSize * ySize * 6];
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int vert = 0;
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int tris = 0;
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for (int y = 0; y < ySize; y++)
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{
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for (int x = 0; x < xSize; x++)
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{
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triangles[tris + 0] = vert + 0;
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triangles[tris + 1] = vert + xSize + 1;
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triangles[tris + 2] = vert + 1;
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triangles[tris + 3] = vert + 1;
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triangles[tris + 4] = vert + xSize + 1;
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triangles[tris + 5] = vert + xSize + 2;
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vert++;
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tris += 6;
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}
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vert++;
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}
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}
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private void UpdateMesh()
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{
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mesh.Clear();
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mesh.vertices = vertices;
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mesh.triangles = triangles;
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mesh.RecalculateNormals();
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}
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private void OnDrawGizmos()
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{
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if (vertices == null)
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return;
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for (int i = 0; i < vertices.Length; i++)
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{
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Gizmos.DrawSphere(vertices[i], .1f);
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}
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}
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}
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