/// <summary>
/// Executed by Unity on every first frame <see cref="https://docs.unity3d.com/Manual/ExecutionOrder.html"/>
/// </summary>
private void Update()
{
CubeGrid cubegrid = new CubeGrid((float)0.05);
cubegrid.genTriangle();
List <Vector3> vertices = new List <Vector3>();
List <Vector3> norms = new List <Vector3>();
List <int> triangles = new List <int>();
// What is going to happen if we don't split the vertices? Check it out by yourself by passing
// sourceVertices and sourceTriangles to the mesh.
for (int i = 0; i < cubegrid.sourceTriangles.Count; i++)
{
triangles.Add(vertices.Count);
Vector3 vertexPos = cubegrid.sourceVertices[cubegrid.sourceTriangles[i]];
Vector3 vnorm = cubegrid.sourceNorms[cubegrid.sourceTriangles[i]];
//Uncomment for some animation:
//vertexPos += new Vector3
//(
// Mathf.Sin(Time.time + vertexPos.z),
// Mathf.Sin(Time.time + vertexPos.y),
// Mathf.Sin(Time.time + vertexPos.x)
//);
vertices.Add(2 * (vertexPos - new Vector3((float)0.5, (float)0.5, (float)0.5)));
norms.Add(vnorm);
}
// Here unity automatically assumes that vertices are points and hence will be represented as (x, y, z, 1) in homogenous coordinates
_mesh.SetVertices(vertices);
_mesh.SetTriangles(triangles, 0);
_mesh.SetNormals(norms);
//_mesh.RecalculateNormals();
// Upload mesh data to the GPU
_mesh.UploadMeshData(false);
}