public Model Assemble()
{
if (vertexNormals.Count == 0)
calculateNormals();
Vector3[] vertexData = verticies.ToArray();
Vector3[] normals = vertexNormals.ToArray();
Byte3[] colors = new Byte3[vertexData.Length];
ushort[] indices = new ushort[faces.Count * 3];
Byte3 color = new Byte3(45, 35, 200);
for(int i = 0; i < colors.Length; i++)
colors[i] = color;
int j = 0;
foreach(UInt3 f in faces) {
indices[j++] = (ushort)(f.Z - 1);
indices[j++] = (ushort)(f.Y - 1);
indices[j++] = (ushort)(f.X - 1);
}
VertexArray mesh = new VertexArray();
mesh.CreateBuffer("vertex").BufferData<Vector3>(ref vertexData);
mesh.CreateBuffer("normal").BufferData<Vector3>(ref normals);
mesh.CreateBuffer("colors").BufferData<Byte3>(ref colors);
mesh.CreateBuffer("index", BufferTarget.ElementArrayBuffer).BufferData<ushort>(ref indices);
Model model = new Model(faces.Count, mesh);
mesh.AddPointer("vertex",
new VertexAttribute(model.Shader, "vPosition", VertexAttribPointerType.Float, 3, 0, false));
mesh.AddPointer("colors",
new VertexAttribute(model.Shader, "vColor", VertexAttribPointerType.UnsignedByte, 3, 0, true));
mesh.AddPointer("normal",
new VertexAttribute(model.Shader, "vNormal", VertexAttribPointerType.Float, 3, 0, false));
return model;
}
/* GL_BYTE x3, Normalized */
protected static Byte3[] ColorData(
Byte3 xpos, Byte3 xneg,
Byte3 ypos, Byte3 yneg,
Byte3 zpos, Byte3 zneg
)
{
Byte3[] colors = new Byte3[36];
for(int i = 0; i < 6; i++)
colors[i] = xpos;
for(int i = 6; i < 12; i++)
colors[i] = xneg;
for(int i = 12; i < 18; i++)
colors[i] = ypos;
for(int i = 18; i < 24; i++)
colors[i] = yneg;
for(int i = 24; i < 30; i++)
colors[i] = zpos;
for(int i = 30; i < 36; i++)
colors[i] = zneg;
return colors;
}