@ -506,13 +506,13 @@
ltarget [ E_AXIS ] - current_position [ E_AXIS ]
} ;
const float cartesian_xy_mm = HYPOT ( difference [ X_AXIS ] , difference [ Y_AXIS ] ) ; // total horizontal xy distance
const float cartesian_xy_mm = HYPOT ( difference [ X_AXIS ] , difference [ Y_AXIS ] ) ; // total horizontal xy distance
# if IS_KINEMATIC
const float seconds = cartesian_xy_mm / feedrate ; // seconds to move xy distance at requested rate
uint16_t segments = lroundf ( delta_segments_per_second * seconds ) , // preferred number of segments for distance @ feedrate
const float seconds = cartesian_xy_mm / feedrate ; // seconds to move xy distance at requested rate
uint16_t segments = lroundf ( delta_segments_per_second * seconds ) , // preferred number of segments for distance @ feedrate
seglimit = lroundf ( cartesian_xy_mm * ( 1.0 / ( DELTA_SEGMENT_MIN_LENGTH ) ) ) ; // number of segments at minimum segment length
NOMORE ( segments , seglimit ) ; // limit to minimum segment length (fewer segments)
NOMORE ( segments , seglimit ) ; // limit to minimum segment length (fewer segments)
# else
uint16_t segments = lroundf ( cartesian_xy_mm * ( 1.0 / ( DELTA_SEGMENT_MIN_LENGTH ) ) ) ; // cartesian fixed segment length
# endif
@ -570,6 +570,10 @@
// Otherwise perform per-segment leveling
# if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
const float fade_scaling_factor = ubl . fade_scaling_factor_for_z ( ltarget [ Z_AXIS ] ) ;
# endif
float seg_dest [ XYZE ] ; // per-segment destination, initialize to first segment
LOOP_XYZE ( i ) seg_dest [ i ] = current_position [ i ] + segment_distance [ i ] ;
@ -614,13 +618,14 @@
const float z_xmy0 = ( z_x1y0 - z_x0y0 ) * ( 1.0 / ( MESH_X_DIST ) ) , // z slope per x along y0 (lower left to lower right)
z_xmy1 = ( z_x1y1 - z_x0y1 ) * ( 1.0 / ( MESH_X_DIST ) ) ; // z slope per x along y1 (upper left to upper right)
float z_cxy0 = z_x0y0 + z_xmy0 * cx ; // z height along y0 at cx
float z_cxy0 = z_x0y0 + z_xmy0 * cx ; // z height along y0 at cx
const float z_cxy1 = z_x0y1 + z_xmy1 * cx , // z height along y1 at cx
z_cxyd = z_cxy1 - z_cxy0 ; // z height difference along cx from y0 to y1
const float z_cxy1 = z_x0y1 + z_xmy1 * cx , // z height along y1 at cx
z_cxyd = z_cxy1 - z_cxy0 ; // z height difference along cx from y0 to y1
float z_cxym = z_cxyd * ( 1.0 / ( MESH_Y_DIST ) ) ; // z slope per y along cx from y0 to y1
float z_cxym = z_cxyd * ( 1.0 / ( MESH_Y_DIST ) ) , // z slope per y along cx from y0 to y1
z_cxcy = z_cxy0 + z_cxym * cy ; // z height along cx at cy
// float z_cxcy = z_cxy0 + z_cxym * cy; // interpolated mesh z height along cx at cy (do inside the segment loop)
// As subsequent segments step through this cell, the z_cxy0 intercept will change
// and the z_cxym slope will change, both as a function of cx within the cell, and
@ -631,9 +636,15 @@
do { // for all segments within this mesh cell
z_cxcy + = ubl . state . z_offset ;
float z_cxcy = z_cxy0 + z_cxym * cy ; // interpolated mesh z height along cx at cy
# if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
z_cxcy * = fade_scaling_factor ; // apply fade factor to interpolated mesh height
# endif
z_cxcy + = ubl . state . z_offset ; // add fixed mesh offset from G29 Z
if ( - - segments = = 0 ) { // this is last segment, use ltarget for exact
if ( - - segments = = 0 ) { // if this is last segment, use ltarget for exact
COPY ( seg_dest , ltarget ) ;
seg_dest [ Z_AXIS ] + = z_cxcy ;
ubl_buffer_line_segment ( seg_dest , feedrate , active_extruder ) ;
@ -657,11 +668,10 @@
}
// Next segment still within same mesh cell, adjust the per-segment
// slope and intercept and compute next z height.
// slope and intercept to compute next z height.
z_cxy0 + = z_sxy0 ; // adjust z_cxy0 by per-segment z_sxy0
z_cxym + = z_sxym ; // adjust z_cxym by per-segment z_sxym
z_cxcy = z_cxy0 + z_cxym * cy ; // recompute z_cxcy from adjusted slope and intercept
z_cxy0 + = z_sxy0 ; // adjust z_cxy0 by per-segment z_sxy0
z_cxym + = z_sxym ; // adjust z_cxym by per-segment z_sxym
} while ( true ) ; // per-segment loop exits by break after last segment within cell, or by return on final segment
} while ( true ) ; // per-cell loop