diff options
Diffstat (limited to 'scene/3d/path_3d.cpp')
| -rw-r--r-- | scene/3d/path_3d.cpp | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/scene/3d/path_3d.cpp b/scene/3d/path_3d.cpp index 8c2b1c6889..e13cf6f9c8 100644 --- a/scene/3d/path_3d.cpp +++ b/scene/3d/path_3d.cpp @@ -157,10 +157,14 @@ void PathFollow3D::_update_transform(bool p_update_xyz_rot) { // for a discussion about why not Frenet frame. t.origin = pos; - - if (p_update_xyz_rot && delta_offset != 0) { // Only update rotation if some parameter has changed - i.e. not on addition to scene tree. - Vector3 t_prev = (pos - c->interpolate_baked(offset - delta_offset, cubic)).normalized(); - Vector3 t_cur = (c->interpolate_baked(offset + delta_offset, cubic) - pos).normalized(); + if (p_update_xyz_rot && prev_offset != offset) { // Only update rotation if some parameter has changed - i.e. not on addition to scene tree. + real_t sample_distance = bi * 0.01; + Vector3 t_prev_pos_a = c->interpolate_baked(prev_offset - sample_distance, cubic); + Vector3 t_prev_pos_b = c->interpolate_baked(prev_offset + sample_distance, cubic); + Vector3 t_cur_pos_a = c->interpolate_baked(offset - sample_distance, cubic); + Vector3 t_cur_pos_b = c->interpolate_baked(offset + sample_distance, cubic); + Vector3 t_prev = (t_prev_pos_a - t_prev_pos_b).normalized(); + Vector3 t_cur = (t_cur_pos_a - t_cur_pos_b).normalized(); Vector3 axis = t_prev.cross(t_cur); real_t dot = t_prev.dot(t_cur); @@ -303,7 +307,7 @@ void PathFollow3D::_bind_methods() { } void PathFollow3D::set_offset(real_t p_offset) { - delta_offset = p_offset - offset; + prev_offset = offset; offset = p_offset; if (path) { |