/// <summary>
///
/// </summary>
/// <param name="transform"></param>
/// <param name="parentTransform"></param>
private void RenderBone(JOBJCache jobj, bool selected)
{
Matrix4 transform = jobj.WorldTransform;
var bonePosition = Vector3.TransformPosition(Vector3.Zero, transform);
if (jobj.Parent != null)
{
Matrix4 parentTransform = jobj.Parent.WorldTransform;
var parentPosition = Vector3.TransformPosition(Vector3.Zero, parentTransform);
GL.LineWidth(1f);
GL.Begin(PrimitiveType.Lines);
GL.Color3(0f, 1f, 0f);
GL.Vertex3(parentPosition);
GL.Color3(0f, 0f, 1f);
GL.Vertex3(bonePosition);
GL.End();
}
if (selected)
{
GL.Color3(1f, 1f, 0f);
GL.PointSize(7f);
}
else
{
GL.Color3(1f, 0f, 0f);
GL.PointSize(5f);
}
GL.Begin(PrimitiveType.Points);
GL.Vertex3(bonePosition);
GL.End();
}
/// <summary>
/// Updates the transforms
/// </summary>
/// <param name="root"></param>
private void UpdateTransforms(HSD_JOBJ root, JOBJCache parent = null)
{
if (root == null)
{
return;
}
var index = -1;
if (jobjToCache.ContainsKey(root))
{
index = jobjToCache[root].Index;
}
var local = CreateLocalTransform(root, index);
var world = local;
if (parent != null)
{
world = local * parent.WorldTransform;
}
if (!jobjToCache.ContainsKey(root))
{
var jcache = new JOBJCache()
{
Parent = parent,
Index = jobjToCache.Count,
InvertedTransform = world.Inverted()
};
jobjToCache.Add(root, jcache);
}
var cache = jobjToCache[root];
cache.LocalTransform = local;
cache.WorldTransform = world;
cache.BindTransform = cache.InvertedTransform * world;
foreach (var child in root.Children)
{
UpdateTransforms(child, jobjToCache[root]);
}
}