public GenMeshSquareFace(GenMeshVertex leftTop, GenMeshVertex leftBottom, GenMeshVertex rightBottom, GenMeshVertex rightTop) : this()
{
this.Vertices[0] = leftTop;
this.Vertices[1] = leftBottom;
this.Vertices[2] = rightBottom;
this.Vertices[3] = rightTop;
}
private static Vector3 GetMidpoint(GenMeshVertex a, GenMeshVertex b)
{
var p = (a.Coordinates + b.Coordinates) / 2;
var length = Mathf.Sqrt(p.x * p.x + p.y * p.y + p.z * p.z);
return(new Vector3(p.x / length, p.y / length, p.z / length));
}
public static GenMesh CreateCube(float size = 1)
{
var mesh = new GenMesh();
// create 8 vertices the notation is XYZ so for vertex that's on top face on the left top it will be LTT
var LTT = new GenMeshVertex(new Vector3(-size, +size, -size));
var RTT = new GenMeshVertex(new Vector3(+size, +size, -size));
var RTB = new GenMeshVertex(new Vector3(+size, +size, +size));
var LTB = new GenMeshVertex(new Vector3(-size, +size, +size));
var LBT = new GenMeshVertex(new Vector3(-size, -size, -size));
var RBT = new GenMeshVertex(new Vector3(+size, -size, -size));
var RBB = new GenMeshVertex(new Vector3(+size, -size, +size));
var LBB = new GenMeshVertex(new Vector3(-size, -size, +size));
// create 6 faces
// top face
mesh.Faces.Add(new GenMeshSquareFace(RTT, RTB, LTB, LTT));
// left face
mesh.Faces.Add(new GenMeshSquareFace(LTB, LBB, LBT, LTT));
// right face
mesh.Faces.Add(new GenMeshSquareFace(RTT, RBT, RBB, RTB));
// front face
mesh.Faces.Add(new GenMeshSquareFace(RTB, RBB, LBB, LTB));
// back face
mesh.Faces.Add(new GenMeshSquareFace(LTT, LBT, RBT, RTT));
// bottom face
mesh.Faces.Add(new GenMeshSquareFace(LBT, LBB, RBB, RBT));
return(mesh);
}
public GenMeshTriangleFace(GenMeshVertex a, GenMeshVertex b, GenMeshVertex c) : base(new GenMeshVertex[] { a, b, c })
{
}
