/// <summary>
/// Изменение сферы отсечения
/// </summary>
void RebuildCullingSphere()
{
Frame[] frames = Frames;
if (frames != null)
{
Vec3 max = Vec3.One * float.MinValue, min = Vec3.One * float.MaxValue;
foreach (Frame f in frames)
{
MorphFrame cf = (MorphFrame)f;
if (cf != null)
{
for (int i = 0; i < cf.verts.Length; i += 3)
{
if (cf.verts[i] > max.X)
{
max.X = cf.verts[i];
}
if (cf.verts[i + 1] > max.Y)
{
max.Y = cf.verts[i + 1];
}
if (-cf.verts[i + 2] > max.Z)
{
max.Z = -cf.verts[i + 2];
}
if (cf.verts[i] < min.X)
{
min.X = cf.verts[i];
}
if (cf.verts[i + 1] < min.Y)
{
min.Y = cf.verts[i + 1];
}
if (-cf.verts[i + 2] < min.Z)
{
min.Z = -cf.verts[i + 2];
}
}
cull = new CullBox();
cull.Min = min;
cull.Max = max;
}
}
RebuildParentCull();
}
}
/// <summary>
/// Перестройка сферы отсечения
/// </summary>
protected virtual void RebuildCullSphere()
{
List <CullBox> culls = new List <CullBox>();
foreach (EntityComponent c in components)
{
if (c is IRenderable)
{
CullBox cb = c.GetCullingBox();
if (cb != null)
{
culls.Add(cb);
}
}
}
cullSphere = CullBox.FromBoxes(culls.ToArray()).ToSphere();
cullSphere.Position = PointToWorld(cullSphere.Position);
needCullRebuild = false;
}
/// <summary>
/// Получение бокса для отсечения
/// </summary>
/// <returns>Коробка</returns>
internal override CullBox GetCullingBox()
{
if (cull == null)
{
CullBox cb = null;
MeshComponent mc = this;
while (cb == null)
{
if (mc.Proxy != null)
{
mc = mc.Proxy;
}
else
{
break;
}
cb = mc.GetCullingBox();
}
}
return(cull);
}
/// <summary>
/// Статический меш
/// </summary>
public MeshComponent()
{
Diffuse = Color.White;
Blending = BlendingMode.AlphaChannel;
cull = new CullBox();
}
