//public override void Draw(SceneGraph.Cameras.Camera camera = null)
//{
// this.Draw(camera, RenderMode.Design);
//}
/// <summary>
/// Renders the element.
/// </summary>
/// <param name="gl">The gl.</param>
/// <param name="renderMode">The render mode.</param>
public void MyRenderElement(SceneElement sceneElement, OpenGL gl, RenderMode renderMode, SharedStageInfo info)
{
// If the element is disabled, we're done.
if (sceneElement.IsEnabled == false)
{
return;
}
// Push each effect.
foreach (var effect in sceneElement.Effects)
{
if (effect.IsEnabled)
{
effect.Push(gl, sceneElement);
}
}
// If the element can be bound, bind it.
IBindable bindable = sceneElement as IBindable;// example: Light
if (bindable != null)
{
bindable.Push(gl);
}
// If the element has an object space, transform into it.
IHasObjectSpace hasObjectSpace = sceneElement as IHasObjectSpace;// example: Polygon, quadric, Teapot
if (hasObjectSpace != null)
{
hasObjectSpace.PushObjectSpace(gl);
}
// Render self.
{
// If the element has a material, push it.
IHasMaterial hasMaterial = sceneElement as IHasMaterial;// example: Polygon, quadric, Teapot
if (hasMaterial != null && hasMaterial.Material != null)
{
hasMaterial.Material.Push(gl);
}
if (renderMode == RenderMode.HitTest)
{
IColorCodedPicking picking = sceneElement as IColorCodedPicking;
info.RenderForPicking(picking, gl, renderMode);
}
else
{
// If the element can be rendered, render it.
IRenderable renderable = sceneElement as IRenderable;
if (renderable != null)
{
renderable.Render(gl, renderMode);
}
}
// If the element has a material, pop it.
if (hasMaterial != null && hasMaterial.Material != null)
{
hasMaterial.Material.Pop(gl);
}
}
// If the element is volume bound and we are rendering volumes, render the volume.
IVolumeBound volumeBound = null;
if (RenderBoundingVolumes)
{
volumeBound = sceneElement as IVolumeBound;
if (volumeBound != null)
{
volumeBound.BoundingVolume.Render(gl, renderMode);
}
}
// Recurse through the children.
foreach (var childElement in sceneElement.Children)
{
MyRenderElement(childElement, gl, renderMode, info);
}
// If the element has an object space, transform out of it.
if (hasObjectSpace != null)
{
hasObjectSpace.PopObjectSpace(gl);
}
// If the element can be bound, bind it.
if (bindable != null)
{
bindable.Pop(gl);
}
// Pop each effect.
for (int i = sceneElement.Effects.Count - 1; i >= 0; i--)
{
if (sceneElement.Effects[i].IsEnabled)
{
sceneElement.Effects[i].Pop(gl, sceneElement);
}
}
}