/// <summary>
///Creates a new MeshData object
/// </summary>
/// <param name="vert">
/// A <see cref="Vector3[]"/>
/// </param>
/// <param name="norm">
/// A <see cref="Vector3[]"/>
/// </param>
/// <param name="tex">
/// A <see cref="Vector2[]"/>
/// </param>
/// <param name="tri">
/// A <see cref="Tri[]"/>
/// </param>
public MeshData(Vector3[] vert, Vector3[] norm, Vector2[] tex, Tri[] tri)
{
Vertices = vert;
TexCoords = tex;
Normals = norm;
Tris = tri;
Verify();
}
// Takes an array of points and returns an array of triangles.
// The points form an arbitrary polygon.
private static Tri[] Triangulate(Point[] ps)
{
List <Tri> ts = new List <Tri>();
if (ps.Length < 3)
{
throw new Exception("Invalid shape! Must have >2 points");
}
Point first = ps[0];
Point previous = ps[1];
for (int i = 2; i < ps.Length; i++)
{
Tri t = new Tri(first, previous, ps[i]);
previous = ps[i];
ts.Add(t);
}
return(ts.ToArray());
}
// Takes an array of points and returns an array of triangles.
// The points form an arbitrary polygon.
private static Tri[] Triangulate(Point[] ps)
{
List <Tri> ts = new List <Tri>();
if (ps.Length < 3)
{
throw new Exception("Invalid shape! Must have >2 points");
}
Point lastButOne = ps[1];
Point lastButTwo = ps[0];
for (int i = 2; i < ps.Length; i++)
{
Tri t = new Tri(lastButTwo, lastButOne, ps[i]);
lastButOne = ps[i];
lastButTwo = ps[i - 1];
ts.Add(t);
}
return(ts.ToArray());
}
// Data munging for fun and profit!
private void Ms3dTris2Tris(Ms3dTri[] tris, out Tri[] t, out Vector3[] norms, out Vector2[] texs)
{
Tri[] ts = new Tri[tris.Length];
// Utter utter BS.
for (int i = 0; i < ts.Length; i++)
{
ts[i] = new Tri();
}
List <Vector3> normals = new List <Vector3>();
List <Vector2> texcoords = new List <Vector2>();
for (int i = 0; i < tris.Length; i++)
{
ts[i].P1.Vertex = tris[i].Verts[0];
ts[i].P2.Vertex = tris[i].Verts[1];
ts[i].P3.Vertex = tris[i].Verts[2];
normals.Add(tris[i].Normals[0]);
normals.Add(tris[i].Normals[1]);
normals.Add(tris[i].Normals[2]);
ts[i].P1.Normal = 3 * i;
ts[i].P2.Normal = 3 * i + 1;
ts[i].P3.Normal = 3 * i + 2;
texcoords.Add(tris[i].TexCoords[0]);
texcoords.Add(tris[i].TexCoords[1]);
texcoords.Add(tris[i].TexCoords[2]);
ts[i].P1.TexCoord = 3 * i;
ts[i].P2.TexCoord = 3 * i + 1;
ts[i].P3.TexCoord = 3 * i + 2;
}
t = ts;
norms = normals.ToArray();
texs = texcoords.ToArray();
}
// Data munging for fun and profit!
private void Ms3dTris2Tris(Ms3dTri[] tris, out Tri[] t, out Vector3[] norms, out Vector2[] texs)
{
Tri[] ts = new Tri[tris.Length];
// Utter utter BS.
for (int i = 0; i < ts.Length; i++)
{
ts[i] = new Tri();
}
List<Vector3> normals = new List<Vector3>();
List<Vector2> texcoords = new List<Vector2>();
for (int i = 0; i < tris.Length; i++)
{
ts[i].P1.Vertex = tris[i].Verts[0];
ts[i].P2.Vertex = tris[i].Verts[1];
ts[i].P3.Vertex = tris[i].Verts[2];
normals.Add(tris[i].Normals[0]);
normals.Add(tris[i].Normals[1]);
normals.Add(tris[i].Normals[2]);
ts[i].P1.Normal = 3 * i;
ts[i].P2.Normal = 3 * i + 1;
ts[i].P3.Normal = 3 * i + 2;
texcoords.Add(tris[i].TexCoords[0]);
texcoords.Add(tris[i].TexCoords[1]);
texcoords.Add(tris[i].TexCoords[2]);
ts[i].P1.TexCoord = 3 * i;
ts[i].P2.TexCoord = 3 * i + 1;
ts[i].P3.TexCoord = 3 * i + 2;
}
t = ts;
norms = normals.ToArray();
texs = texcoords.ToArray();
}
// Takes an array of points and returns an array of triangles.
// The points form an arbitrary polygon.
private static Tri[] Triangulate(Point[] ps)
{
List<Tri> ts = new List<Tri>();
if (ps.Length < 3)
{
throw new Exception("Invalid shape! Must have >2 points");
}
Point first = ps[0];
Point previous = ps[1];
for (int i = 2; i < ps.Length; i++)
{
Tri t = new Tri(first, previous, ps[i]);
previous = ps[i];
ts.Add(t);
}
return ts.ToArray();
}
// Takes an array of points and returns an array of triangles.
// The points form an arbitrary polygon.
private static Tri[] Triangulate(Point[] ps)
{
List<Tri> ts = new List<Tri>();
if(ps.Length < 3) {
throw new Exception("Invalid shape! Must have >2 points");
}
Point lastButOne = ps[1];
Point lastButTwo = ps[0];
for(int i = 2; i < ps.Length; i++) {
Tri t = new Tri(lastButTwo, lastButOne, ps[i]);
lastButOne = ps[i];
lastButTwo = ps[i-1];
ts.Add(t);
}
return ts.ToArray();
}
