private Matrix4 CalculateWorldMatrix(RenderModelNodeBlock nodeBlock)
{
if (!(( RenderModelBlock )Model.RenderModel.Get(_key)).Nodes.Contains(nodeBlock))
{
throw new ArgumentOutOfRangeException( );
}
return(Nodes.GetWorldMatrix(nodeBlock));
}
public static void SetWorldMatrix(this IList <RenderModelNodeBlock> list, RenderModelNodeBlock node,
Matrix4 value)
{
if (!list.Contains(node))
{
throw new ArgumentOutOfRangeException();
}
var matrix = node.ParentNode < 0
? value
: value *list.GetWorldMatrix(list[node.ParentNode]).Inverted();
node.WorldMatrix = matrix;
}
public static Matrix4 GetWorldMatrix(this IList <RenderModelNodeBlock> list, RenderModelNodeBlock node)
{
if (!list.Contains(node))
{
throw new ArgumentOutOfRangeException();
}
var worldMatrix = node.WorldMatrix;
if (node.ParentNode < 0)
{
return(worldMatrix);
}
return(worldMatrix * list.GetWorldMatrix(list[node.ParentNode]));
}
public static Matrix4 GetInverseBindPoseTransfrom(this IList <RenderModelNodeBlock> list,
RenderModelNodeBlock node)
{
if (!list.Contains(node))
{
throw new ArgumentOutOfRangeException();
}
var inverseBindPoseTransfrom = node.CalculateInverseBindTransform();
if (node.ParentNode < 0)
{
return(inverseBindPoseTransfrom);
}
return(list.GetInverseBindPoseTransfrom(list[node.ParentNode]) * inverseBindPoseTransfrom);
}
private void SetWorldMatrix(RenderModelNodeBlock nodeBlock, Matrix4 value)
{
Nodes.SetWorldMatrix(nodeBlock, value);
}
