public static ScaleRotateTranslate CreateTranslation(double x, double y, double z)
{
ScaleRotateTranslate translation = ScaleRotateTranslate.Identity();
translation.translation = Matrix4X4.CreateTranslation(x, y, z);
return(translation);
}
public void SetMeshAfterLoad(List <MeshGroup> loadedMeshGroups, CenterPartAfterLoad centerPart, Vector2 bedCenter)
{
MeshGroups.Clear();
if (loadedMeshGroups == null)
{
partProcessingInfo.centeredInfoText.Text = string.Format("Sorry! No 3D view available\nfor this file.");
}
else
{
CreateGlDataForMeshes(loadedMeshGroups);
AxisAlignedBoundingBox bounds = new AxisAlignedBoundingBox(Vector3.Zero, Vector3.Zero);
bool first = true;
foreach (MeshGroup meshGroup in loadedMeshGroups)
{
if (first)
{
bounds = meshGroup.GetAxisAlignedBoundingBox();
first = false;
}
else
{
bounds = AxisAlignedBoundingBox.Union(bounds, meshGroup.GetAxisAlignedBoundingBox());
}
}
foreach (MeshGroup meshGroup in loadedMeshGroups)
{
// make sure the mesh is centered about the origin so rotations will come from a reasonable place
ScaleRotateTranslate centering = ScaleRotateTranslate.Identity();
centering.SetCenteringForMeshGroup(meshGroup);
meshTransforms.Add(centering);
MeshGroups.Add(meshGroup);
}
if (centerPart == CenterPartAfterLoad.DO)
{
// make sure the entire load is centered and on the bed
Vector3 boundsCenter = (bounds.maxXYZ + bounds.minXYZ) / 2;
for (int i = 0; i < MeshGroups.Count; i++)
{
ScaleRotateTranslate moved = meshTransforms[i];
moved.translation *= Matrix4X4.CreateTranslation(-boundsCenter + new Vector3(0, 0, bounds.ZSize / 2) + new Vector3(bedCenter));
meshTransforms[i] = moved;
}
}
trackballTumbleWidget.TrackBallController = new TrackBallController();
trackballTumbleWidget.OnBoundsChanged(null);
trackballTumbleWidget.TrackBallController.Scale = .03;
trackballTumbleWidget.TrackBallController.Translate(-new Vector3(BedCenter));
trackballTumbleWidget.TrackBallController.Rotate(Quaternion.FromEulerAngles(new Vector3(0, 0, MathHelper.Tau / 16)));
trackballTumbleWidget.TrackBallController.Rotate(Quaternion.FromEulerAngles(new Vector3(-MathHelper.Tau * .19, 0, 0)));
}
}
