public static VboEntity BuildCube(Vector3 position, Quaternion rotation, Vector3 scale, Color4 color)
{
var name = "cube";
if (!BufferLibrary.HasBuffer(name + "_" + color.ToArgb() + ":v"))
{
BufferLibrary.CreateVertexBuffer(
name + "_" + color.ToArgb() + ":v", new[]
{
new Vertex(new Vector3(1f, 1f, 1f), new Vector4(1, 0, 0, 1), new Vector3(0.5f, 0.5f, 0.5f)),
new Vertex(new Vector3(-1f, 1f, 1f), new Vector4(0, 1, 0, 1), new Vector3(-0.5f, 0.5f, 0.5f)),
new Vertex(new Vector3(-1f, 1f, -1f), new Vector4(0, 0, 1, 1), new Vector3(-0.5f, 0.5f, -0.5f)),
new Vertex(new Vector3(1f, 1f, -1f), new Vector4(1, 1, 0, 1), new Vector3(0.5f, 0.5f, -0.5f)),
new Vertex(new Vector3(1f, -1f, 1f), new Vector4(1, 0, 0, 1), new Vector3(0.5f, -0.5f, 0.5f)),
new Vertex(new Vector3(-1f, -1f, 1f), new Vector4(0, 1, 0, 1), new Vector3(-0.5f, -0.5f, 0.5f)),
new Vertex(new Vector3(-1f, -1f, -1f), new Vector4(0, 0, 1, 1), new Vector3(-0.5f, -0.5f, -0.5f)),
new Vertex(new Vector3(1f, -1f, -1f), new Vector4(1, 1, 0, 1), new Vector3(0.5f, -0.5f, -0.5f))
});
}
if (!BufferLibrary.HasBuffer(name + ":i"))
{
BufferLibrary.CreateIndexBuffer(name + ":i", new uint[]
{
0, 1, 2, 0, 2, 3, 4, 5, 6, 4, 6, 7, //top 2 squares
1, 0, 4, 1, 5, 4, 2, 1, 5, 2, 5, 6, // 2 sides adjacent from eachother
}, PrimitiveType.Triangles);
}
return(new VboEntity(position, rotation, scale, BufferLibrary.GetBuffer(name + "_" + color.ToArgb() + ":v"), BufferLibrary.GetBuffer(name + ":i"), BufferLibrary.GetBuffer(name + ":i#count"), (PrimitiveType)BufferLibrary.GetBuffer(name + ":i#mode")));
}
public static VboEntity BuildPlane(Vector3 position, Quaternion rotation, Vector3 scale, Color4 color, int xd, int yd)
{
var name = "plane_" + xd + "," + yd;
if (!BufferLibrary.HasBuffer(name + "_" + color.ToArgb() + ":v"))
{
var verts = new List <Vertex>();
for (var x = 0; x <= xd; x++)
{
for (var y = 0; y <= yd; y++)
{
verts.Add(new Vertex(new Vector3((x - xd / 2f) / (xd / 2f), 0, (y - yd / 2f) / (yd / 2f)), new Vector4(0, 1, 0, 1), Vector3.UnitY));
}
}
BufferLibrary.CreateVertexBuffer(name + "_" + color.ToArgb() + ":v", verts.ToArray());
}
if (!BufferLibrary.HasBuffer(name + ":i"))
{
var indices = new List <uint>();
for (var x = 0; x < xd; x++)
{
for (var y = 0; y < yd; y++)
{
indices.Add((uint)(x * (yd + 1) + y));
indices.Add((uint)(x * (yd + 1) + y + 1));
indices.Add((uint)((x + 1) * (yd + 1) + y + 1));
indices.Add((uint)((x + 1) * (yd + 1) + y));
}
}
BufferLibrary.CreateIndexBuffer(name + ":i", indices.ToArray(), PrimitiveType.Quads);
}
return(new VboEntity(position, rotation, scale, BufferLibrary.GetBuffer(name + "_" + color.ToArgb() + ":v"), BufferLibrary.GetBuffer(name + ":i"), BufferLibrary.GetBuffer(name + ":i#count"), (PrimitiveType)BufferLibrary.GetBuffer(name + ":i#mode")));
}