private async void PageLoaded(object sender, RoutedEventArgs e)
{
var bmp = new WriteableBitmap(1024, 768);
imageControl.Source = bmp;
device = new RenderDevice(bmp);
camera = new Camera
{
Position = new Vector3(0, 0, 10.0f),
Target = Vector3.Zero
};
var importer = new BabylonImporter();
var importedMeshes = await importer.LoadFileAsync("model.babylon");
meshes = new List<Mesh>();
foreach(var mesh in importedMeshes)
meshes.Add(mesh);
foreach(var mesh in importedMeshes)
{
var newMesh = new Mesh("MonkeyClone", mesh.Vertices, mesh.Faces);
newMesh.Position = new Vector3(2.65f, 0, 0);
meshes.Add(newMesh);
}
CompositionTarget.Rendering += Render;
}
public void Render(Camera camera, List<Mesh> meshes)
{
var viewMatrix = Matrix.LookAtLH(camera.Position, camera.Target, Vector3.UnitY);
var projectionMatrix = Matrix.PerspectiveFovLH(0.78f, (float)renderWidth / renderHeight, 0.01f, 1.0f);
foreach (Mesh mesh in meshes)
{
var worldMatrix = Matrix.RotationYawPitchRoll(mesh.Rotation.Y, mesh.Rotation.X, mesh.Rotation.Z) *
Matrix.Translation(mesh.Position);
var transformMatrix = worldMatrix * viewMatrix * projectionMatrix;
Parallel.For(0, mesh.Faces.Length, i =>
{
var face = mesh.Faces[i];
var vertexA = mesh.Vertices[face.V0];
var vertexB = mesh.Vertices[face.V1];
var vertexC = mesh.Vertices[face.V2];
var pix0 = Project(ref vertexA, ref transformMatrix, ref worldMatrix);
var pix1 = Project(ref vertexB, ref transformMatrix, ref worldMatrix);
var pix2 = Project(ref vertexC, ref transformMatrix, ref worldMatrix);
DrawTriangle(ref pix0, ref pix1, ref pix2, new Color4(1.0f));
});
}
}