private void DrawChildren(IDeviceContextHolder contextHolder, ICamera camera, SpecialRenderMode mode, Func <IRenderableObject, bool> filter = null)
{
if (!IsEnabled || filter?.Invoke(this) == false)
{
return;
}
if (mode == SpecialRenderMode.Reflection && !IsReflectable)
{
return;
}
if (camera != null && BoundingBox != null && !camera.Visible(BoundingBox.Value))
{
return;
}
UpdateLookAt();
var c = Count;
for (var i = 0; i < c; i++)
{
var child = this[i];
if (child.IsEnabled)
{
child.Draw(contextHolder, camera, mode, filter);
}
}
if (HighlightBoundingBoxes && mode == SpecialRenderMode.SimpleTransparent)
{
if (_box == null)
{
var box = GeometryGenerator.CreateLinesBox(new Vector3(1f));
_box = new DebugLinesObject(Matrix.Identity,
box.Vertices.Select(x => new InputLayouts.VerticePC(x.Position, new Color4(1f, 1f, 0.5f, 0f))).ToArray(),
box.Indices.ToArray());
}
for (var i = 0; i < c; i++)
{
var child = this[i];
if (child.IsEnabled && child.BoundingBox.HasValue)
{
var bb = child.BoundingBox.Value;
_box.ParentMatrix = Matrix.Scaling(bb.GetSize()) * Matrix.Translation(bb.GetCenter());
_box.Draw(contextHolder, camera, SpecialRenderMode.Simple);
}
}
}
}
public static DebugLinesObject GetLinesBox(Matrix matrix, Vector3 size, Color4 color)
{
var vertices = new List <InputLayouts.VerticePC>();
var indices = new List <ushort>();
var box = GeometryGenerator.CreateLinesBox(size);
for (var i = 0; i < box.Vertices.Length; i++)
{
vertices.Add(new InputLayouts.VerticePC(box.Vertices[i].Position, color));
}
indices.AddRange(box.Indices);
return(new DebugLinesObject(matrix, vertices.ToArray(), indices.ToArray()));
}