1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class CellMesh : MonoBehaviour
{
Material m_Material;
private LogicGrid grid;
private Mesh mesh;
private void Awake()
{
mesh = new Mesh();
GetComponent<MeshFilter>().mesh = mesh;
}
public void SetGrid(LogicGrid grid)
{
this.grid = grid;
UpdateCellVisual();
}
private void UpdateCellVisual()
{
CreateEmptyMeshArrays(grid.GetWidth() * grid.GetHeight(), out Vector3[] vertices, out Vector2[] uv, out int[] triangles);
for(int x = 0; x < grid.GetWidth(); x++)
for(int y = 0; y < grid.GetHeight(); y++)
{
int index = x * grid.GetHeight() + y;
Vector3 quadSize = new Vector3(1, 1) * grid.GetCellSize();
AddQuad(vertices, uv, triangles, index, grid.GetWorldPosition(x, y), quadSize, Vector2.zero);
}
mesh.vertices = vertices;
mesh.uv = uv;
mesh.triangles = triangles;
}
void Start()
{
/**
m_Material = GetComponent<Renderer>().material;
Debug.Log("Mesh Testing");
Mesh mesh = new Mesh();
// Build required data-structures for square mesh
Vector3[] vertices = new Vector3[4];
Vector2[] uv = new Vector2[4];
int[] triangles = new int[6];
// Set vertices of polygon (2 triangles -> 1 quad)
vertices[0] = new Vector3(0, 0);
vertices[1] = new Vector3(0, 10);
vertices[2] = new Vector3(10, 10);
vertices[3] = new Vector3(10, 0);
// UV index contains texture position that should match to vertex with same index
uv[0] = new Vector2(0, 0);
uv[1] = new Vector2(0, 1);
uv[2] = new Vector2(1, 1);
uv[3] = new Vector2(1, 0);
// Set order of indexes of vertices to draw polygon (v1 -> v2 -> v3 -> v1)
// Note: always set clockwise, otherwise mesh will be facing backwards
triangles[0] = 0;
triangles[1] = 1;
triangles[2] = 2;
triangles[3] = 0;
triangles[4] = 2;
triangles[5] = 3;
mesh.vertices = vertices;
mesh.uv = uv;
mesh.triangles = triangles;
GetComponent<MeshFilter>().mesh = mesh;
*/
}
private void Update()
{
if(Input.GetKeyDown("1"))
{
Debug.Log("1");
m_Material.color = Color.white;
//m_Material.SetColor("_Color", Color.white);
}
if (Input.GetKeyDown("2"))
{
Debug.Log("2");
m_Material.color = Color.black;
//m_Material.SetColor("_Color", Color.white);
}
if (Input.GetKeyDown("3"))
{
Debug.Log("3");
m_Material.color = Color.green;
//m_Material.SetColor("_Color", Color.white);
}
}
// CREDIT FOR BELOW FUNCTIONS: CODEMONKEY
// https://www.youtube.com/watch?v=mZzZXfySeFQ
public static void CreateEmptyMeshArrays(int quadCount, out Vector3[] vertices, out Vector2[] uvs, out int[] triangles)
{
vertices = new Vector3[4 * quadCount];
uvs = new Vector2[4 * quadCount];
triangles = new int[6 * quadCount];
}
private void AddQuad(Vector3[] vertices, Vector2[] uvs, int[] triangles, int index, Vector3 GridPos, Vector3 QuadSize, Vector2 Uv)
{
vertices[index * 4] = new Vector3((-0.5f + GridPos.x) * QuadSize.x, (-0.5f + GridPos.y) * QuadSize.y);
vertices[(index * 4) + 1] = new Vector3((-0.5f + GridPos.x) * QuadSize.x, (+0.5f + GridPos.y) * QuadSize.y);
vertices[(index * 4) + 2] = new Vector3((+0.5f + GridPos.x) * QuadSize.x, (+0.5f + GridPos.y) * QuadSize.y);
vertices[(index * 4) + 3] = new Vector3((+0.5f + GridPos.x) * QuadSize.x, (-0.5f + GridPos.y) * QuadSize.y);
Debug.Log(vertices[0]);
Debug.Log(vertices[1]);
Debug.Log(vertices[2]);
Debug.Log(vertices[3]);
uvs[(index * 4)] = Uv;
uvs[(index * 4) + 1] = Uv;
uvs[(index * 4) + 2] = Uv;
uvs[(index * 4) + 3] = Uv;
triangles[(index * 6) + 0] = (index * 4) + 0;
triangles[(index * 6) + 1] = (index * 4) + 1;
triangles[(index * 6) + 2] = (index * 4) + 2;
triangles[(index * 6) + 3] = (index * 4) + 2;
triangles[(index * 6) + 4] = (index * 4) + 3;
triangles[(index * 6) + 5] = (index * 4) + 0;
}
/* private void AddQuad(Vector3[] vertices, Vector2[] uvs, int[] triangles, int index, Vector3 GridPos, Vector3 QuadSize, Vector2 Uv)
{
vertices[index * 4] = new Vector3((-0.5f + GridPos.x) * QuadSize.x, (-0.5f + GridPos.y) * QuadSize.y);
vertices[(index * 4) + 1] = new Vector3((-0.5f + GridPos.x) * QuadSize.x, (+0.5f + GridPos.y) * QuadSize.y);
vertices[(index * 4) + 2] = new Vector3((+0.5f + GridPos.x) * QuadSize.x, (+0.5f + GridPos.y) * QuadSize.y);
vertices[(index * 4) + 3] = new Vector3((+0.5f + GridPos.x) * QuadSize.x, (-0.5f + GridPos.y) * QuadSize.y);
Debug.Log(vertices[0]);
Debug.Log(vertices[1]);
Debug.Log(vertices[2]);
Debug.Log(vertices[3]);
uvs[(index * 4)] = Uv;
uvs[(index * 4) + 1] = Uv;
uvs[(index * 4) + 2] = Uv;
uvs[(index * 4) + 3] = Uv;
triangles[(index * 6) + 0] = (index * 4) + 0;
triangles[(index * 6) + 1] = (index * 4) + 1;
triangles[(index * 6) + 2] = (index * 4) + 2;
triangles[(index * 6) + 3] = (index * 4) + 2;
triangles[(index * 6) + 4] = (index * 4) + 3;
triangles[(index * 6) + 5] = (index * 4) + 0;
}*/
}
|
