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@ -2230,21 +2230,13 @@ bool Planner::_populate_block(block_t * const block, bool split_move, |
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already calculated in a different place. */ |
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// Unit vector of previous path line segment
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static float previous_unit_vec[ |
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#if ENABLED(JUNCTION_DEVIATION_INCLUDE_E) |
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XYZE |
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#else |
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XYZ |
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#endif |
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]; |
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static float previous_unit_vec[XYZE]; |
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float unit_vec[] = { |
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delta_mm[A_AXIS] * inverse_millimeters, |
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delta_mm[B_AXIS] * inverse_millimeters, |
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delta_mm[C_AXIS] * inverse_millimeters |
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#if ENABLED(JUNCTION_DEVIATION_INCLUDE_E) |
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, delta_mm[E_AXIS] * inverse_millimeters |
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#endif |
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delta_mm[C_AXIS] * inverse_millimeters, |
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delta_mm[E_AXIS] * inverse_millimeters |
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}; |
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// Skip first block or when previous_nominal_speed is used as a flag for homing and offset cycles.
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@ -2254,9 +2246,7 @@ bool Planner::_populate_block(block_t * const block, bool split_move, |
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float junction_cos_theta = -previous_unit_vec[X_AXIS] * unit_vec[X_AXIS] |
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-previous_unit_vec[Y_AXIS] * unit_vec[Y_AXIS] |
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-previous_unit_vec[Z_AXIS] * unit_vec[Z_AXIS] |
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#if ENABLED(JUNCTION_DEVIATION_INCLUDE_E) |
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-previous_unit_vec[E_AXIS] * unit_vec[E_AXIS] |
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#endif |
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-previous_unit_vec[E_AXIS] * unit_vec[E_AXIS] |
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; |
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// NOTE: Computed without any expensive trig, sin() or acos(), by trig half angle identity of cos(theta).
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@ -2267,15 +2257,13 @@ bool Planner::_populate_block(block_t * const block, bool split_move, |
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else { |
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NOLESS(junction_cos_theta, -0.999999); // Check for numerical round-off to avoid divide by zero.
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float junction_unit_vec[JD_AXES] = { |
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// Convert delta vector to unit vector
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float junction_unit_vec[XYZE] = { |
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unit_vec[X_AXIS] - previous_unit_vec[X_AXIS], |
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unit_vec[Y_AXIS] - previous_unit_vec[Y_AXIS], |
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unit_vec[Z_AXIS] - previous_unit_vec[Z_AXIS] |
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#if ENABLED(JUNCTION_DEVIATION_INCLUDE_E) |
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, unit_vec[E_AXIS] - previous_unit_vec[E_AXIS] |
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#endif |
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unit_vec[Z_AXIS] - previous_unit_vec[Z_AXIS], |
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unit_vec[E_AXIS] - previous_unit_vec[E_AXIS] |
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}; |
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// Convert delta vector to unit vector
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normalize_junction_vector(junction_unit_vec); |
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const float junction_acceleration = limit_value_by_axis_maximum(block->acceleration, junction_unit_vec), |
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Scott Lahteine
6 years ago
GitHub