private static void Draw(VeldridDrawingFactory factory, VRContext vrContext)
{
var poses = vrContext.WaitForPoses();
var lv = poses.CreateView(VREye.Left, _userPosition, -Vector3.UnitZ, Vector3.UnitY);
var lp = poses.LeftEyeProjection;
var rv = poses.CreateView(VREye.Right, _userPosition, -Vector3.UnitZ, Vector3.UnitY);
var rp = poses.RightEyeProjection;
// why it works reversing the eyes !???
DrawEye(factory, vrContext.LeftEyeFramebuffer, rv, rp);
DrawEye(factory, vrContext.RightEyeFramebuffer, lv, lp);
}
public static void Run(string[] args)
{
// Create the window and the graphics device
if (!VeldridInit(out var window, out var graphicsDevice, out var vrContext))
{
Console.WriteLine("This sample requires an Oculus or OpenVR-capable headset.");
return;
}
var factory = new VeldridDrawingFactory(graphicsDevice);
// We run the game loop here and do our drawing inside of it.
VeldridRunLoop(window, graphicsDevice, vrContext, () => Draw(factory, vrContext));
factory.Dispose();
graphicsDevice.Dispose();
}
private static void DrawEye(VeldridDrawingFactory factory, Framebuffer target, Matrix4x4 view, Matrix4x4 proj)
{
using (var dc3 = factory.CreateDrawing3DContext(target, view, proj))
{
dc3.FillFrame(System.Drawing.Color.CornflowerBlue);
dc3.DrawSphere((0, 0, -3), 1, System.Drawing.Color.Yellow);
dc3.DrawSphere((1, 0, -3), 1, System.Drawing.Color.Yellow);
dc3.DrawSphere((-1, 0, -3), 1, System.Drawing.Color.Yellow);
dc3.DrawSphere((0, 1.5f, -3), 1, System.Drawing.Color.Yellow);
dc3.DrawSphere((0, -1.5f, -3), 1, System.Drawing.Color.Yellow);
dc3.DrawSegment((1.5f, 1.5f, -3), (1, 0.2f, -1), 0.1f, System.Drawing.Color.Red);
dc3.DrawSphere((0, -1.5f, -10), 1, System.Drawing.Color.Yellow);
dc3.DrawSphere((0, 0f, -0.20f), 0.1f, System.Drawing.Color.Yellow);
}
}
