Use float for elapsed_time

When accumulating elapsed_time from many moves that take less than 1
second, elapsed_time does not get incremented because (unsigned int)0.9
= 0.

1 files changed, 1 insertions, 1 deletions

diff --git a/xs/src/libslic3r/GCode.hpp b/xs/src/libslic3r/GCode.hpp
index 7aa0143a3..ebeb50e78 100644
--- a/xs/src/libslic3r/GCode.hpp
+++ b/xs/src/libslic3r/GCode.hpp
@@ -82,7 +82,7 @@ class GCode {
     const Layer* layer;
     std::map<const PrintObject*,Point> _seam_position;
     bool first_layer; // this flag triggers first layer speeds
-    unsigned int elapsed_time; // seconds
+    float elapsed_time; // seconds
     double volumetric_speed;
     
     GCode();