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| author | Maximilian Albert <maximilian.albert@gmail.com> | 2007-08-26 17:56:46 +0000 |
|---|---|---|
| committer | cilix42 <cilix42@users.sourceforge.net> | 2007-08-26 17:56:46 +0000 |
| commit | 59e792a6ebbacb1ddaba1d9825772a75805cc6ab (patch) | |
| tree | c808a8882712250463c67c7230d60bdd578b5f18 /src/perspective3d.cpp | |
| parent | Rewrite of z-order code for 3D boxes, first stage (hopefully this is finally ... (diff) | |
| download | inkscape-59e792a6ebbacb1ddaba1d9825772a75805cc6ab.tar.gz inkscape-59e792a6ebbacb1ddaba1d9825772a75805cc6ab.zip | |
Various small cleanups
(bzr r3587)
Diffstat (limited to 'src/perspective3d.cpp')
| -rw-r--r-- | src/perspective3d.cpp | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/perspective3d.cpp b/src/perspective3d.cpp index 9f79d25bd..8b1b3863d 100644 --- a/src/perspective3d.cpp +++ b/src/perspective3d.cpp @@ -331,6 +331,17 @@ Perspective3D::update_z_orders () } } +/* the direction from a point pt towards the specified vanishing point of the perspective */ +NR::Point +Perspective3D::direction (NR::Point pt, Box3D::Axis axis) +{ + Box3D::VanishingPoint *vp = this->get_vanishing_point (axis); + if (!vp->is_finite()) { + return vp->v_dir; + } + return (vp->get_pos() - pt); +} + // swallow the list of boxes from the other perspective and delete it void Perspective3D::absorb (Perspective3D *other) @@ -385,9 +396,11 @@ Perspective3D::print_debugging_info () if (j != NULL) { g_print ("%d", SP_3DBOX (j->data)->my_counter); } + g_print ("\n"); } + g_print ("\n"); } - g_print ("\n====================================================\n"); + g_print ("====================================================\n"); } } // namespace Box3D |