void OnEnable()
{
var shader = Shader.Find("SpherePoints");
_material = new Material(shader);
_material.hideFlags = HideFlags.DontSave;
var hash = new Klak.Math.XXHash(123);
var va = new List <Vector3>();
var ia = new List <int>();
for (var i = 0; i < _pointCount; i++)
{
var rand1 = hash.Value01(i * 2);
var rand2 = hash.Value01(i * 2 + 1);
var vi = va.Count;
va.Add(new Vector3(rand1, rand2, 0));
va.Add(new Vector3(rand1, rand2, 1));
va.Add(new Vector3(rand1, rand2, 2));
va.Add(new Vector3(rand1, rand2, 3));
ia.Add(vi);
ia.Add(vi + 1);
ia.Add(vi + 2);
ia.Add(vi + 1);
ia.Add(vi + 3);
ia.Add(vi + 2);
}
_mesh = new Mesh();
_mesh.name = "Points";
_mesh.hideFlags = HideFlags.DontSave;
_mesh.vertices = va.ToArray();
_mesh.SetIndices(ia.ToArray(), MeshTopology.Triangles, 0);
_mesh.bounds = new Bounds(Vector3.zero, Vector3.one);
_mesh.UploadMeshData(true);
}
void Start()
{
var hash = new XXHash();
var texture = new Texture2D(size, size);
for (var y = 0; y < size; y++)
{
for (var x = 0; x < size; x++)
{
var c = hash.Value01(x + y * size);
texture.SetPixel(x, y, new Color(c, c, c));
}
}
texture.Apply();
GetComponent<Renderer>().material.mainTexture = texture;
}
