From 1459ad65c66e85770bddf07db462003df32899b0 Mon Sep 17 00:00:00 2001 From: Enrico Turri Date: Mon, 24 Jun 2019 12:35:20 +0200 Subject: [PATCH] #2433 - Time Estimator: clamp accelerate/decelerate distances to avoid them to become negative --- src/libslic3r/GCodeTimeEstimator.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/libslic3r/GCodeTimeEstimator.cpp b/src/libslic3r/GCodeTimeEstimator.cpp index 60d7a4cdf..b87305da8 100644 --- a/src/libslic3r/GCodeTimeEstimator.cpp +++ b/src/libslic3r/GCodeTimeEstimator.cpp @@ -125,8 +125,8 @@ namespace Slic3r { trapezoid.distance = distance; trapezoid.feedrate = feedrate; - float accelerate_distance = estimate_acceleration_distance(feedrate.entry, feedrate.cruise, acceleration); - float decelerate_distance = estimate_acceleration_distance(feedrate.cruise, feedrate.exit, -acceleration); + float accelerate_distance = std::max(0.0f, estimate_acceleration_distance(feedrate.entry, feedrate.cruise, acceleration)); + float decelerate_distance = std::max(0.0f, estimate_acceleration_distance(feedrate.cruise, feedrate.exit, -acceleration)); float cruise_distance = distance - accelerate_distance - decelerate_distance; // Not enough space to reach the nominal feedrate.