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Lightly optimize arc length calculation

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This commit is contained in:
Scott Lahteine 2018-01-23 16:18:54 -06:00
parent 87c254b238
commit d4ab383a1b
2 changed files with 3 additions and 3 deletions
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Marlin/Marlin_main.cpp
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@ -12880,7 +12880,8 @@ void prepare_move_to_destination() {
if (angular_travel == 0 && current_position[p_axis] == cart[p_axis] && current_position[q_axis] == cart[q_axis])
angular_travel = RADIANS(360);
const float mm_of_travel = HYPOT(angular_travel * radius, FABS(linear_travel));
const float flat_mm = radius * angular_travel,
mm_of_travel = linear_travel ? HYPOT(flat_mm, linear_travel) : flat_mm;
if (mm_of_travel < 0.001) return;
uint16_t segments = FLOOR(mm_of_travel / (MM_PER_ARC_SEGMENT));