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トップに関する質問Unity Meshを用いて表示した線が綺麗に表示されない

編集履歴

質問編集履歴

1

コードの追加

2020/06/24 09:14

投稿

rtag
rtag

スコア5

test CHANGED
File without changes
test CHANGED
@@ -29,3 +29,301 @@
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  よろしくお願いいたします。
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+ 追記
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+ 以下のコードを使用いたしました。
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+ 最終目標としては、カメラをズームアウト、インしても、太さがほぼ変わらないものを目指しています。
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+ ```cs
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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 TestGrid : MonoBehaviour
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+ {
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+ [SerializeField]
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+ private UnityEngine.Grid m_grid;
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+ [SerializeField]
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+ private MeshRenderer m_meshRenderer;
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+ [SerializeField]
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+ private MeshFilter m_meshFilter;
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+ private Mesh m_gridMesh = null;
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+ [SerializeField]
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+ private Material m_gridMaterial;
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+ private const float k_GridGizmoDistanceFalloff = 50f;
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+
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+ void Start()
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+
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+ {
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+ m_gridMesh = Generate(m_grid, Color.white, 0.0f, new RectInt(0, 0, 10, 10));
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+ m_meshFilter.sharedMesh = m_gridMesh;
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+ m_meshRenderer.material = m_gridMaterial;
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+ }
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+ public static Mesh Generate(GridLayout gridLayout, Color color, float screenPixelSize, RectInt bounds)
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+
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+ {
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+ Mesh mesh = new Mesh();
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+ mesh.hideFlags = HideFlags.HideAndDontSave;
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+ int vertex = 0;
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+ int totalVertices = 4 * (bounds.size.x + bounds.size.y);
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+ Vector3 horizontalPixelOffset = new Vector3(screenPixelSize, 0f, 0f);
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+ Vector3 verticalPixelOffset = new Vector3(0f, screenPixelSize, 0f);
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+
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+ Vector3[] vertices = new Vector3[totalVertices];
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+ Vector2[] uvs2 = new Vector2[totalVertices];
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+
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+ Vector3 cellStride = gridLayout.cellSize + gridLayout.cellGap;
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+ Vector3Int minPosition = new Vector3Int(0, bounds.min.y, 0);
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+ Vector3Int maxPosition = new Vector3Int(0, bounds.max.y, 0);
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+ Vector3 cellGap = Vector3.zero;
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+ if (!Mathf.Approximately(cellStride.x, 0f))
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+
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+ {
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+ cellGap.x = gridLayout.cellSize.x / cellStride.x;
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+ }
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+ for (int x = bounds.min.x; x < bounds.max.x; x++)
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+ {
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+ minPosition.x = x;
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+ maxPosition.x = x;
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+ vertices[vertex + 0] = gridLayout.CellToLocal(minPosition);
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+ vertices[vertex + 1] = gridLayout.CellToLocal(maxPosition);
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+ uvs2[vertex + 0] = Vector2.zero;
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+ uvs2[vertex + 1] = new Vector2(0f, cellStride.y * bounds.size.y);
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+ vertex += 2;
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+ vertices[vertex + 0] = gridLayout.CellToLocalInterpolated(minPosition + cellGap);
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+ vertices[vertex + 1] = gridLayout.CellToLocalInterpolated(maxPosition + cellGap);
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+ uvs2[vertex + 0] = Vector2.zero;
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+ uvs2[vertex + 1] = new Vector2(0f, cellStride.y * bounds.size.y);
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+ vertex += 2;
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+ }
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+ minPosition = new Vector3Int(bounds.min.x, 0, 0);
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+ maxPosition = new Vector3Int(bounds.max.x, 0, 0);
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+ cellGap = Vector3.zero;
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+ if (!Mathf.Approximately(cellStride.y, 0f))
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+
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+ {
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+ cellGap.y = gridLayout.cellSize.y / cellStride.y;
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+ }
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+ for (int y = bounds.min.y; y < bounds.max.y; y++)
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+ {
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+ minPosition.y = y;
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+ maxPosition.y = y;
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+ vertices[vertex + 0] = gridLayout.CellToLocal(minPosition);
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+ vertices[vertex + 1] = gridLayout.CellToLocal(maxPosition);
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+ uvs2[vertex + 0] = Vector2.zero;
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+ uvs2[vertex + 1] = new Vector2(cellStride.x * bounds.size.x, 0f);
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+ vertex += 2;
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+ vertices[vertex + 0] = gridLayout.CellToLocalInterpolated(minPosition + cellGap);
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+ vertices[vertex + 1] = gridLayout.CellToLocalInterpolated(maxPosition + cellGap);
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+ uvs2[vertex + 0] = Vector2.zero;
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+ uvs2[vertex + 1] = new Vector2(cellStride.x * bounds.size.x, 0f);
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+ vertex += 2;
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+ }
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+ var uv0 = new Vector2(k_GridGizmoDistanceFalloff, 0f);
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+ var uvs = new Vector2[vertex];
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+ var indices = new int[vertex];
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+ var colors = new Color[vertex];
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+ var normals = new Vector3[totalVertices];
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+ var uvs3 = new Vector2[totalVertices];
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+ for (int i = 0; i < vertex; i++)
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+ {
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+ uvs[i] = uv0;
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+ indices[i] = i;
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+ colors[i] = color;
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+ var alternate = i + ((i % 2) == 0 ? 1 : -1);
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+ normals[i] = vertices[alternate];
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+ uvs3[i] = uvs2[alternate];
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+ }
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+ mesh.vertices = vertices;
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+ mesh.uv = uvs;
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+ mesh.uv2 = uvs2;
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+ mesh.uv3 = uvs3;
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+ mesh.colors = colors;
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+ mesh.normals = normals;
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+ mesh.SetIndices(indices, MeshTopology.Lines, 0);
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+ return mesh;
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+ }
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+ }
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+ ```