private void RenderSelection(Widget canvas)
{
if (Document.Current.PreviewScene)
{
return;
}
var vp = GetCurrentViewport3D();
if (vp?.Camera == null)
{
return;
}
canvas.PrepareRendererState();
var nodes = Document.Current.SelectedNodes().Editable().OfType <Node3D>().ToList();
if (nodes.Count == 0)
{
return;
}
var cameraProjection = vp.Camera?.Projection ?? Matrix44.Identity;
Renderer.Flush();
Renderer.PushState(
RenderState.CullMode |
RenderState.World |
RenderState.View |
RenderState.Projection |
RenderState.DepthState);
Renderer.View = vp.Camera.View;
Renderer.Projection = Viewport3D.MakeProjection(vp.Width, vp.Height, vp.LocalToWorldTransform, cameraProjection, Renderer.Projection);
Renderer.DepthState = DepthState.DepthReadWrite;
Renderer.Clear(ClearOptions.DepthBuffer);
foreach (var node in nodes)
{
RenderGizmo(node);
}
Renderer.PopState();
}