/// <summary>
/// Renders the mesh usign World matrix from Node, the View matrix from camera and the Material
/// </summary>
/// <param name="node"></param>
/// <param name="camera"></param>
/// <param name="material"></param>
public void Draw(Node node, Camera camera, Material material, RenderableMeshPart meshPart, List <Light> lights = null)
{
UpdateInternal();
//Matrix matrix=Matrix.Identity;
//Internal.Draw(ref matrix, ref matrix, ref matrix, material);
Internal.Draw(ref node.WorldMatrix, ref camera.View, ref camera.Projection, material, camera, ref meshPart, lights);
}
/// <summary>
/// Creates a RenderableMeshMultiMaterial for a 1 unit Cube with 6 faces
/// Each face has is own TextureCoords, so you could assign one texture to each face
/// Face 0 is Rear Face
/// Face 1 is Front
/// Face 2 is Top
/// Face 3 is Bottom
/// Face 4 is Left
/// Face 5 is Right
/// </summary>
/// <param name="device"></param>
public static RenderableMeshMultiMaterial CreateCube(VisualEngine engine)
{
MeshBasic mesh = new MeshBasic(engine, 24, 36);
Vector3[] vb = mesh.Position;
Vector3[] normal = mesh.Normal = new Vector3[mesh.NumVertices];
Vector2[,] texCoord = mesh.TexCoord = new Vector2[1, mesh.NumVertices];
mesh.Tangent = new Vector3[mesh.NumVertices];
mesh.VertexColor = new Vector4[mesh.NumVertices];
uint[] ib = mesh.Indices;
uint i = 0;
// Rear 0
vb[i] = new Vector3(0.5f, 0.5f, -0.5f); normal[i] = new Vector3(0, 0, -1); texCoord[0, i] = new Vector2(0, 0); i++;
vb[i] = new Vector3(-0.5f, 0.5f, -0.5f); normal[i] = new Vector3(0, 0, -1); texCoord[0, i] = new Vector2(1, 0); i++;
vb[i] = new Vector3(-0.5f, -0.5f, -0.5f); normal[i] = new Vector3(0, 0, -1); texCoord[0, i] = new Vector2(1, 1); i++;
vb[i] = new Vector3(0.5f, -0.5f, -0.5f); normal[i] = new Vector3(0, 0, -1); texCoord[0, i] = new Vector2(0, 1); i++;
// Front 4
vb[i] = new Vector3(-0.5f, 0.5f, 0.5f); normal[i] = new Vector3(0, 0, 1); texCoord[0, i] = new Vector2(0, 0); i++;
vb[i] = new Vector3(0.5f, 0.5f, 0.5f); normal[i] = new Vector3(0, 0, 1); texCoord[0, i] = new Vector2(1, 0); i++;
vb[i] = new Vector3(0.5f, -0.5f, 0.5f); normal[i] = new Vector3(0, 0, 1); texCoord[0, i] = new Vector2(1, 1); i++;
vb[i] = new Vector3(-0.5f, -0.5f, 0.5f); normal[i] = new Vector3(0, 0, 1); texCoord[0, i] = new Vector2(0, 1); i++;
// Top 8
vb[i] = new Vector3(-0.5f, 0.5f, -0.5f); normal[i] = new Vector3(0, 1, 0); texCoord[0, i] = new Vector2(0, 0); i++;
vb[i] = new Vector3(0.5f, 0.5f, -0.5f); normal[i] = new Vector3(0, 1, 0); texCoord[0, i] = new Vector2(1, 0); i++;
vb[i] = new Vector3(0.5f, 0.5f, 0.5f); normal[i] = new Vector3(0, 1, 0); texCoord[0, i] = new Vector2(1, 1); i++;
vb[i] = new Vector3(-0.5f, 0.5f, 0.5f); normal[i] = new Vector3(0, 1, 0); texCoord[0, i] = new Vector2(0, 1); i++;
// Bottom 12
vb[i] = new Vector3(0.5f, -0.5f, -0.5f); normal[i] = new Vector3(0, -1, 0); texCoord[0, i] = new Vector2(0, 0); i++;
vb[i] = new Vector3(-0.5f, -0.5f, -0.5f); normal[i] = new Vector3(0, -1, 0); texCoord[0, i] = new Vector2(1, 0); i++;
vb[i] = new Vector3(-0.5f, -0.5f, 0.5f); normal[i] = new Vector3(0, -1, 0); texCoord[0, i] = new Vector2(1, 1); i++;
vb[i] = new Vector3(0.5f, -0.5f, 0.5f); normal[i] = new Vector3(0, -1, 0); texCoord[0, i] = new Vector2(0, 1); i++;
// Left 16
vb[i] = new Vector3(-0.5f, 0.5f, -0.5f); normal[i] = new Vector3(-1, 0, 0); texCoord[0, i] = new Vector2(0, 0); i++;
vb[i] = new Vector3(-0.5f, 0.5f, 0.5f); normal[i] = new Vector3(-1, 0, 0); texCoord[0, i] = new Vector2(1, 0); i++;
vb[i] = new Vector3(-0.5f, -0.5f, 0.5f); normal[i] = new Vector3(-1, 0, 0); texCoord[0, i] = new Vector2(1, 1); i++;
vb[i] = new Vector3(-0.5f, -0.5f, -0.5f); normal[i] = new Vector3(-1, 0, 0); texCoord[0, i] = new Vector2(0, 1); i++;
// Right 20
vb[i] = new Vector3(0.5f, 0.5f, 0.5f); normal[i] = new Vector3(1, 0, 0); texCoord[0, i] = new Vector2(0, 0); i++;
vb[i] = new Vector3(0.5f, 0.5f, -0.5f); normal[i] = new Vector3(1, 0, 0); texCoord[0, i] = new Vector2(1, 0); i++;
vb[i] = new Vector3(0.5f, -0.5f, -0.5f); normal[i] = new Vector3(1, 0, 0); texCoord[0, i] = new Vector2(1, 1); i++;
vb[i] = new Vector3(0.5f, -0.5f, 0.5f); normal[i] = new Vector3(1, 0, 0); texCoord[0, i] = new Vector2(0, 1); i++;
for (int k = 0; k < i; k++)
{
// Tangent vectors are always the same for a cube
mesh.Tangent[k] = new Vector3(1, 0, 0);
mesh.VertexColor[k] = new Vector4(1, 1, 1, 1);
}
// OGL COUNTER-ClockWISE order
i = 0;
for (uint face = 0; face < 6; face++)
{
uint vertex = face * 4;
ib[i++] = vertex + 2;
ib[i++] = vertex + 1;
ib[i++] = vertex + 0;
ib[i++] = vertex + 2;
ib[i++] = vertex + 0;
ib[i++] = vertex + 3;
}
// Create the RenderableMeshPart, six parts, one part for each face
RenderableMeshMultiMaterial renderable = new RenderableMeshMultiMaterial(mesh);
renderable.Mesh.MeshParts = new List <RenderableMeshPart>(6);
for (i = 0; i < 6; i++)
{
RenderableMeshPart meshPart = new RenderableMeshPart(6, i * 6, 0);
renderable.Mesh.MeshParts.Add(meshPart);
}
return(renderable);
}
