public Matrix3 Invert()
{
// Lazy, terribly inefficent way to do this.
// do this properly (without thunking to unmanaged code) another time.
IMatrix3 cppversion = _IMatrix3;
cppversion.Invert();
return(new Matrix3(cppversion));
}
public static float[] GetTranslation(IINode node, IINode renderedNode)
{
float[] res = new float[3];
//IPoint3 translation = node.GetNodeTM(0, Tools.Forever).Trans; //position relative to parent, translation
IObject obj = node.ObjectRef;
IBox3 bbox = obj.GetWorldBoundBox(0, node, Loader.Core.ActiveViewExp);
IPoint3 bboxCenter = bbox.Center;
IMatrix3 inverted = renderedNode.GetNodeTM(0, Tools.Forever);
inverted.Invert();
IPoint3 bboxCenterInRenderNodeSpace = inverted.PointTransform(bboxCenter);
res[0] = bboxCenterInRenderNodeSpace.X;
res[1] = bboxCenterInRenderNodeSpace.Z;
res[2] = -bboxCenterInRenderNodeSpace.Y;
return(res);
}
public static float[] GetRotation(IINode node, IINode renderedNode)
{
float[] res = new float[4];
IMatrix3 nodeTm = node.GetNodeTM(0, Tools.Forever);
IMatrix3 inverted = renderedNode.GetNodeTM(0, Tools.Forever);
inverted.Invert();
nodeTm = nodeTm.Multiply(inverted);
IPoint3 p = Loader.Global.Point3.Create(0, 0, 0);
IQuat q = Loader.Global.IdentQuat;
IPoint3 s = Loader.Global.Point3.Create(0, 0, 0);
Loader.Global.DecomposeMatrix(nodeTm, p, q, s);
q.Normalize();
res[0] = q[0];
res[1] = q[2];
res[2] = -q[1];
res[3] = -q[3];
return(res);
}
