From f5ce4029d6f5c0659eba8dedbd5238527867460b Mon Sep 17 00:00:00 2001 From: Stanislaw Halik Date: Sat, 2 Mar 2019 00:23:11 +0100 Subject: tracker/pt: avoid float division by zero --- tracker-pt/ftnoir_tracker_pt.cpp | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tracker-pt/ftnoir_tracker_pt.cpp b/tracker-pt/ftnoir_tracker_pt.cpp index c3b6c6e3..3854e531 100644 --- a/tracker-pt/ftnoir_tracker_pt.cpp +++ b/tracker-pt/ftnoir_tracker_pt.cpp @@ -101,7 +101,8 @@ void Tracker_PT::run() Affine X_GH = X_CM * X_MH; vec3 p = X_GH.t; // head (center?) position in global space - preview_frame->draw_head_center((p[0] * fx) / p[2], (p[1] * fx) / p[2]); + if (p[2] > f(.1)) + preview_frame->draw_head_center((p[0] * fx) / p[2], (p[1] * fx) / p[2]); widget->update_image(preview_frame->get_bitmap()); { -- cgit v1.2.3