void CreateMesh(List <Vector2> stroke)
{
var go = new GameObject();
go.name = "Polygon";
go.transform.parent = this.transform;
go.transform.localRotation = Quaternion.Euler(Vector3.zero);
var mesh = new Mesh();
mesh.vertices = PurifyStroke(stroke).Select(v2 => new Vector3(v2.x, v2.y, -(polygonCount + 1) / 100.0f)).ToArray();
var indices = new List <int>();
Triangulate.EarCut(mesh.vertices, indices);
mesh.SetIndices(indices.ToArray(), MeshTopology.Triangles, 0);
var renderer = go.AddComponent <MeshRenderer>();
renderer.material = BrushMaterial;
renderer.material.color = palette[currentBrush.PaletteIndex];
var filter = go.AddComponent <MeshFilter>();
filter.mesh = mesh;
this.mesh = mesh;
polygonCount++;
}
void UpdateMesh(List <Vector2> stroke)
{
mesh.vertices = PurifyStroke(stroke).Select(v2 => new Vector3(v2.x, v2.y, -(polygonCount + 1) / 100.0f)).ToArray();
var indices = new List <int>();
Triangulate.EarCut(mesh.vertices, indices);
mesh.SetIndices(indices.ToArray(), MeshTopology.Triangles, 0);
}