From d10f29ae2e765803070ad024685972aa834243e1 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Thu, 6 Sep 2018 01:43:12 -0500
Subject: [PATCH] Pass segment length in G2-G3

---
 Marlin/src/gcode/motion/G2_G3.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/Marlin/src/gcode/motion/G2_G3.cpp b/Marlin/src/gcode/motion/G2_G3.cpp
index 09e920846c..5e52d54c9b 100644
--- a/Marlin/src/gcode/motion/G2_G3.cpp
+++ b/Marlin/src/gcode/motion/G2_G3.cpp
@@ -204,19 +204,19 @@ void plan_arc(
     #if ENABLED(SCARA_FEEDRATE_SCALING)
       // For SCARA scale the feed rate from mm/s to degrees/s
       // i.e., Complete the angular vector in the given time.
-      if (!planner.buffer_segment(delta[A_AXIS], delta[B_AXIS], raw[Z_AXIS], raw[E_AXIS], HYPOT(delta[A_AXIS] - oldA, delta[B_AXIS] - oldB) * inverse_secs, active_extruder))
+      if (!planner.buffer_segment(delta[A_AXIS], delta[B_AXIS], raw[Z_AXIS], raw[E_AXIS], HYPOT(delta[A_AXIS] - oldA, delta[B_AXIS] - oldB) * inverse_secs, active_extruder, MM_PER_ARC_SEGMENT))
         break;
       oldA = delta[A_AXIS]; oldB = delta[B_AXIS];
     #elif ENABLED(DELTA_FEEDRATE_SCALING)
       // For DELTA scale the feed rate from Effector mm/s to Carriage mm/s
       // i.e., Complete the linear vector in the given time.
-      if (!planner.buffer_segment(delta[A_AXIS], delta[B_AXIS], delta[C_AXIS], raw[E_AXIS], SQRT(sq(delta[A_AXIS] - oldA) + sq(delta[B_AXIS] - oldB) + sq(delta[C_AXIS] - oldC)) * inverse_secs, active_extruder))
+      if (!planner.buffer_segment(delta[A_AXIS], delta[B_AXIS], delta[C_AXIS], raw[E_AXIS], SQRT(sq(delta[A_AXIS] - oldA) + sq(delta[B_AXIS] - oldB) + sq(delta[C_AXIS] - oldC)) * inverse_secs, active_extruder, MM_PER_ARC_SEGMENT))
         break;
       oldA = delta[A_AXIS]; oldB = delta[B_AXIS]; oldC = delta[C_AXIS];
     #elif HAS_UBL_AND_CURVES
       float pos[XYZ] = { raw[X_AXIS], raw[Y_AXIS], raw[Z_AXIS] };
       planner.apply_leveling(pos);
-      if (!planner.buffer_segment(pos[X_AXIS], pos[Y_AXIS], pos[Z_AXIS], raw[E_AXIS], fr_mm_s, active_extruder))
+      if (!planner.buffer_segment(pos[X_AXIS], pos[Y_AXIS], pos[Z_AXIS], raw[E_AXIS], fr_mm_s, active_extruder, MM_PER_ARC_SEGMENT))
         break;
     #else
       if (!planner.buffer_line_kinematic(raw, fr_mm_s, active_extruder))
@@ -233,15 +233,15 @@ void plan_arc(
   #if ENABLED(SCARA_FEEDRATE_SCALING)
     const float diff2 = HYPOT2(delta[A_AXIS] - oldA, delta[B_AXIS] - oldB);
     if (diff2)
-      planner.buffer_segment(delta[A_AXIS], delta[B_AXIS], cart[Z_AXIS], cart[E_AXIS], SQRT(diff2) * inverse_secs, active_extruder);
+      planner.buffer_segment(delta[A_AXIS], delta[B_AXIS], cart[Z_AXIS], cart[E_AXIS], SQRT(diff2) * inverse_secs, active_extruder, MM_PER_ARC_SEGMENT);
   #elif ENABLED(DELTA_FEEDRATE_SCALING)
     const float diff2 = sq(delta[A_AXIS] - oldA) + sq(delta[B_AXIS] - oldB) + sq(delta[C_AXIS] - oldC);
     if (diff2)
-      planner.buffer_segment(delta[A_AXIS], delta[B_AXIS], delta[C_AXIS], cart[E_AXIS], SQRT(diff2) * inverse_secs, active_extruder);
+      planner.buffer_segment(delta[A_AXIS], delta[B_AXIS], delta[C_AXIS], cart[E_AXIS], SQRT(diff2) * inverse_secs, active_extruder, MM_PER_ARC_SEGMENT);
   #elif HAS_UBL_AND_CURVES
     float pos[XYZ] = { cart[X_AXIS], cart[Y_AXIS], cart[Z_AXIS] };
     planner.apply_leveling(pos);
-    planner.buffer_segment(pos[X_AXIS], pos[Y_AXIS], pos[Z_AXIS], cart[E_AXIS], fr_mm_s, active_extruder);
+    planner.buffer_segment(pos[X_AXIS], pos[Y_AXIS], pos[Z_AXIS], cart[E_AXIS], fr_mm_s, active_extruder, MM_PER_ARC_SEGMENT);
   #else
     planner.buffer_line_kinematic(cart, fr_mm_s, active_extruder);
   #endif